1478 lines
51 KiB
JavaScript
1478 lines
51 KiB
JavaScript
/**
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* @license
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* Cesium - https://github.com/CesiumGS/cesium
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* Version 1.117
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*
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* Copyright 2011-2022 Cesium Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Columbus View (Pat. Pend.)
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*
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* Portions licensed separately.
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* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
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*/
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import {
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VertexFormat_default
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} from "./chunk-4KIUON73.js";
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import {
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Plane_default
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} from "./chunk-FOZQIHZK.js";
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import {
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GeometryAttributes_default
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} from "./chunk-RL73GOEF.js";
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import {
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GeometryAttribute_default,
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Geometry_default,
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PrimitiveType_default
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} from "./chunk-34DGOKCO.js";
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import {
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BoundingSphere_default,
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Intersect_default
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} from "./chunk-NI2R52QD.js";
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import {
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Cartesian4_default,
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Matrix4_default,
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Quaternion_default
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} from "./chunk-I5TDPPC4.js";
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import {
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ComponentDatatype_default
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} from "./chunk-TMMOULW3.js";
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import {
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Cartesian3_default,
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Matrix3_default
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} from "./chunk-C5CE4OG6.js";
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import {
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Math_default
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} from "./chunk-4PHPQRSH.js";
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import {
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defaultValue_default
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} from "./chunk-UCPPWV64.js";
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import {
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Check_default,
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DeveloperError_default
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} from "./chunk-U4IMCOF5.js";
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import {
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defined_default
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} from "./chunk-BDUJXBVF.js";
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// packages/engine/Source/Core/CullingVolume.js
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function CullingVolume(planes) {
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this.planes = defaultValue_default(planes, []);
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}
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var faces = [new Cartesian3_default(), new Cartesian3_default(), new Cartesian3_default()];
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Cartesian3_default.clone(Cartesian3_default.UNIT_X, faces[0]);
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Cartesian3_default.clone(Cartesian3_default.UNIT_Y, faces[1]);
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Cartesian3_default.clone(Cartesian3_default.UNIT_Z, faces[2]);
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var scratchPlaneCenter = new Cartesian3_default();
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var scratchPlaneNormal = new Cartesian3_default();
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var scratchPlane = new Plane_default(new Cartesian3_default(1, 0, 0), 0);
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CullingVolume.fromBoundingSphere = function(boundingSphere, result) {
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if (!defined_default(boundingSphere)) {
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throw new DeveloperError_default("boundingSphere is required.");
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}
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if (!defined_default(result)) {
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result = new CullingVolume();
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}
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const length = faces.length;
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const planes = result.planes;
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planes.length = 2 * length;
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const center = boundingSphere.center;
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const radius = boundingSphere.radius;
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let planeIndex = 0;
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for (let i = 0; i < length; ++i) {
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const faceNormal = faces[i];
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let plane0 = planes[planeIndex];
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let plane1 = planes[planeIndex + 1];
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if (!defined_default(plane0)) {
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plane0 = planes[planeIndex] = new Cartesian4_default();
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}
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if (!defined_default(plane1)) {
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plane1 = planes[planeIndex + 1] = new Cartesian4_default();
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}
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Cartesian3_default.multiplyByScalar(faceNormal, -radius, scratchPlaneCenter);
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Cartesian3_default.add(center, scratchPlaneCenter, scratchPlaneCenter);
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plane0.x = faceNormal.x;
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plane0.y = faceNormal.y;
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plane0.z = faceNormal.z;
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plane0.w = -Cartesian3_default.dot(faceNormal, scratchPlaneCenter);
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Cartesian3_default.multiplyByScalar(faceNormal, radius, scratchPlaneCenter);
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Cartesian3_default.add(center, scratchPlaneCenter, scratchPlaneCenter);
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plane1.x = -faceNormal.x;
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plane1.y = -faceNormal.y;
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plane1.z = -faceNormal.z;
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plane1.w = -Cartesian3_default.dot(
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Cartesian3_default.negate(faceNormal, scratchPlaneNormal),
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scratchPlaneCenter
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);
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planeIndex += 2;
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}
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return result;
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};
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CullingVolume.prototype.computeVisibility = function(boundingVolume) {
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if (!defined_default(boundingVolume)) {
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throw new DeveloperError_default("boundingVolume is required.");
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}
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const planes = this.planes;
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let intersecting = false;
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for (let k = 0, len = planes.length; k < len; ++k) {
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const result = boundingVolume.intersectPlane(
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Plane_default.fromCartesian4(planes[k], scratchPlane)
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);
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if (result === Intersect_default.OUTSIDE) {
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return Intersect_default.OUTSIDE;
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} else if (result === Intersect_default.INTERSECTING) {
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intersecting = true;
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}
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}
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return intersecting ? Intersect_default.INTERSECTING : Intersect_default.INSIDE;
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};
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CullingVolume.prototype.computeVisibilityWithPlaneMask = function(boundingVolume, parentPlaneMask) {
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if (!defined_default(boundingVolume)) {
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throw new DeveloperError_default("boundingVolume is required.");
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}
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if (!defined_default(parentPlaneMask)) {
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throw new DeveloperError_default("parentPlaneMask is required.");
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}
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if (parentPlaneMask === CullingVolume.MASK_OUTSIDE || parentPlaneMask === CullingVolume.MASK_INSIDE) {
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return parentPlaneMask;
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}
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let mask = CullingVolume.MASK_INSIDE;
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const planes = this.planes;
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for (let k = 0, len = planes.length; k < len; ++k) {
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const flag = k < 31 ? 1 << k : 0;
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if (k < 31 && (parentPlaneMask & flag) === 0) {
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continue;
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}
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const result = boundingVolume.intersectPlane(
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Plane_default.fromCartesian4(planes[k], scratchPlane)
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);
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if (result === Intersect_default.OUTSIDE) {
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return CullingVolume.MASK_OUTSIDE;
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} else if (result === Intersect_default.INTERSECTING) {
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mask |= flag;
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}
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}
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return mask;
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};
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CullingVolume.MASK_OUTSIDE = 4294967295;
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CullingVolume.MASK_INSIDE = 0;
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CullingVolume.MASK_INDETERMINATE = 2147483647;
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var CullingVolume_default = CullingVolume;
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// packages/engine/Source/Core/OrthographicOffCenterFrustum.js
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function OrthographicOffCenterFrustum(options) {
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options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
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this.left = options.left;
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this._left = void 0;
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this.right = options.right;
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this._right = void 0;
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this.top = options.top;
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this._top = void 0;
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this.bottom = options.bottom;
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this._bottom = void 0;
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this.near = defaultValue_default(options.near, 1);
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this._near = this.near;
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this.far = defaultValue_default(options.far, 5e8);
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this._far = this.far;
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this._cullingVolume = new CullingVolume_default();
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this._orthographicMatrix = new Matrix4_default();
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}
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function update(frustum) {
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if (!defined_default(frustum.right) || !defined_default(frustum.left) || !defined_default(frustum.top) || !defined_default(frustum.bottom) || !defined_default(frustum.near) || !defined_default(frustum.far)) {
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throw new DeveloperError_default(
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"right, left, top, bottom, near, or far parameters are not set."
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);
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}
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if (frustum.top !== frustum._top || frustum.bottom !== frustum._bottom || frustum.left !== frustum._left || frustum.right !== frustum._right || frustum.near !== frustum._near || frustum.far !== frustum._far) {
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if (frustum.left > frustum.right) {
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throw new DeveloperError_default("right must be greater than left.");
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}
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if (frustum.bottom > frustum.top) {
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throw new DeveloperError_default("top must be greater than bottom.");
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}
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if (frustum.near <= 0 || frustum.near > frustum.far) {
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throw new DeveloperError_default(
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"near must be greater than zero and less than far."
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);
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}
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frustum._left = frustum.left;
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frustum._right = frustum.right;
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frustum._top = frustum.top;
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frustum._bottom = frustum.bottom;
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frustum._near = frustum.near;
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frustum._far = frustum.far;
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frustum._orthographicMatrix = Matrix4_default.computeOrthographicOffCenter(
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frustum.left,
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frustum.right,
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frustum.bottom,
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frustum.top,
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frustum.near,
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frustum.far,
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frustum._orthographicMatrix
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);
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}
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}
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Object.defineProperties(OrthographicOffCenterFrustum.prototype, {
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/**
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* Gets the orthographic projection matrix computed from the view frustum.
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* @memberof OrthographicOffCenterFrustum.prototype
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* @type {Matrix4}
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* @readonly
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*/
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projectionMatrix: {
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get: function() {
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update(this);
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return this._orthographicMatrix;
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}
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}
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});
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var getPlanesRight = new Cartesian3_default();
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var getPlanesNearCenter = new Cartesian3_default();
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var getPlanesPoint = new Cartesian3_default();
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var negateScratch = new Cartesian3_default();
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OrthographicOffCenterFrustum.prototype.computeCullingVolume = function(position, direction, up) {
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if (!defined_default(position)) {
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throw new DeveloperError_default("position is required.");
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}
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if (!defined_default(direction)) {
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throw new DeveloperError_default("direction is required.");
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}
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if (!defined_default(up)) {
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throw new DeveloperError_default("up is required.");
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}
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const planes = this._cullingVolume.planes;
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const t = this.top;
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const b = this.bottom;
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const r = this.right;
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const l = this.left;
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const n = this.near;
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const f = this.far;
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const right = Cartesian3_default.cross(direction, up, getPlanesRight);
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Cartesian3_default.normalize(right, right);
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const nearCenter = getPlanesNearCenter;
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Cartesian3_default.multiplyByScalar(direction, n, nearCenter);
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Cartesian3_default.add(position, nearCenter, nearCenter);
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const point = getPlanesPoint;
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Cartesian3_default.multiplyByScalar(right, l, point);
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Cartesian3_default.add(nearCenter, point, point);
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let plane = planes[0];
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if (!defined_default(plane)) {
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plane = planes[0] = new Cartesian4_default();
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}
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plane.x = right.x;
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plane.y = right.y;
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plane.z = right.z;
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plane.w = -Cartesian3_default.dot(right, point);
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Cartesian3_default.multiplyByScalar(right, r, point);
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Cartesian3_default.add(nearCenter, point, point);
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plane = planes[1];
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if (!defined_default(plane)) {
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plane = planes[1] = new Cartesian4_default();
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}
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plane.x = -right.x;
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plane.y = -right.y;
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plane.z = -right.z;
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plane.w = -Cartesian3_default.dot(Cartesian3_default.negate(right, negateScratch), point);
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Cartesian3_default.multiplyByScalar(up, b, point);
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Cartesian3_default.add(nearCenter, point, point);
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plane = planes[2];
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if (!defined_default(plane)) {
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plane = planes[2] = new Cartesian4_default();
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}
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plane.x = up.x;
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plane.y = up.y;
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plane.z = up.z;
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plane.w = -Cartesian3_default.dot(up, point);
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Cartesian3_default.multiplyByScalar(up, t, point);
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Cartesian3_default.add(nearCenter, point, point);
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plane = planes[3];
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if (!defined_default(plane)) {
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plane = planes[3] = new Cartesian4_default();
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}
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plane.x = -up.x;
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plane.y = -up.y;
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plane.z = -up.z;
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plane.w = -Cartesian3_default.dot(Cartesian3_default.negate(up, negateScratch), point);
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plane = planes[4];
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if (!defined_default(plane)) {
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plane = planes[4] = new Cartesian4_default();
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}
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plane.x = direction.x;
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plane.y = direction.y;
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plane.z = direction.z;
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plane.w = -Cartesian3_default.dot(direction, nearCenter);
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Cartesian3_default.multiplyByScalar(direction, f, point);
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Cartesian3_default.add(position, point, point);
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plane = planes[5];
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if (!defined_default(plane)) {
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plane = planes[5] = new Cartesian4_default();
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}
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plane.x = -direction.x;
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plane.y = -direction.y;
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plane.z = -direction.z;
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plane.w = -Cartesian3_default.dot(Cartesian3_default.negate(direction, negateScratch), point);
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return this._cullingVolume;
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};
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OrthographicOffCenterFrustum.prototype.getPixelDimensions = function(drawingBufferWidth, drawingBufferHeight, distance, pixelRatio, result) {
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update(this);
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if (!defined_default(drawingBufferWidth) || !defined_default(drawingBufferHeight)) {
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throw new DeveloperError_default(
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"Both drawingBufferWidth and drawingBufferHeight are required."
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);
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}
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if (drawingBufferWidth <= 0) {
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throw new DeveloperError_default("drawingBufferWidth must be greater than zero.");
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}
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if (drawingBufferHeight <= 0) {
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throw new DeveloperError_default("drawingBufferHeight must be greater than zero.");
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}
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if (!defined_default(distance)) {
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throw new DeveloperError_default("distance is required.");
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}
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if (!defined_default(pixelRatio)) {
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throw new DeveloperError_default("pixelRatio is required.");
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}
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if (pixelRatio <= 0) {
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throw new DeveloperError_default("pixelRatio must be greater than zero.");
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}
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if (!defined_default(result)) {
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throw new DeveloperError_default("A result object is required.");
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}
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const frustumWidth = this.right - this.left;
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const frustumHeight = this.top - this.bottom;
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const pixelWidth = pixelRatio * frustumWidth / drawingBufferWidth;
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const pixelHeight = pixelRatio * frustumHeight / drawingBufferHeight;
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result.x = pixelWidth;
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result.y = pixelHeight;
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return result;
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};
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OrthographicOffCenterFrustum.prototype.clone = function(result) {
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if (!defined_default(result)) {
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result = new OrthographicOffCenterFrustum();
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}
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result.left = this.left;
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result.right = this.right;
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result.top = this.top;
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result.bottom = this.bottom;
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result.near = this.near;
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result.far = this.far;
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result._left = void 0;
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result._right = void 0;
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result._top = void 0;
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result._bottom = void 0;
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result._near = void 0;
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result._far = void 0;
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return result;
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};
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OrthographicOffCenterFrustum.prototype.equals = function(other) {
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return defined_default(other) && other instanceof OrthographicOffCenterFrustum && this.right === other.right && this.left === other.left && this.top === other.top && this.bottom === other.bottom && this.near === other.near && this.far === other.far;
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};
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OrthographicOffCenterFrustum.prototype.equalsEpsilon = function(other, relativeEpsilon, absoluteEpsilon) {
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return other === this || defined_default(other) && other instanceof OrthographicOffCenterFrustum && Math_default.equalsEpsilon(
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this.right,
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other.right,
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relativeEpsilon,
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absoluteEpsilon
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) && Math_default.equalsEpsilon(
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this.left,
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other.left,
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relativeEpsilon,
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absoluteEpsilon
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) && Math_default.equalsEpsilon(
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this.top,
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other.top,
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relativeEpsilon,
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absoluteEpsilon
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) && Math_default.equalsEpsilon(
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this.bottom,
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other.bottom,
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relativeEpsilon,
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absoluteEpsilon
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) && Math_default.equalsEpsilon(
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this.near,
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other.near,
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relativeEpsilon,
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absoluteEpsilon
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) && Math_default.equalsEpsilon(
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this.far,
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other.far,
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relativeEpsilon,
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absoluteEpsilon
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);
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};
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var OrthographicOffCenterFrustum_default = OrthographicOffCenterFrustum;
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|
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// packages/engine/Source/Core/OrthographicFrustum.js
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function OrthographicFrustum(options) {
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options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
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this._offCenterFrustum = new OrthographicOffCenterFrustum_default();
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this.width = options.width;
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this._width = void 0;
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this.aspectRatio = options.aspectRatio;
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this._aspectRatio = void 0;
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this.near = defaultValue_default(options.near, 1);
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this._near = this.near;
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this.far = defaultValue_default(options.far, 5e8);
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this._far = this.far;
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}
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OrthographicFrustum.packedLength = 4;
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OrthographicFrustum.pack = function(value, array, startingIndex) {
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Check_default.typeOf.object("value", value);
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Check_default.defined("array", array);
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startingIndex = defaultValue_default(startingIndex, 0);
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array[startingIndex++] = value.width;
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array[startingIndex++] = value.aspectRatio;
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array[startingIndex++] = value.near;
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array[startingIndex] = value.far;
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return array;
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};
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OrthographicFrustum.unpack = function(array, startingIndex, result) {
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Check_default.defined("array", array);
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startingIndex = defaultValue_default(startingIndex, 0);
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if (!defined_default(result)) {
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result = new OrthographicFrustum();
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}
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result.width = array[startingIndex++];
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result.aspectRatio = array[startingIndex++];
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result.near = array[startingIndex++];
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result.far = array[startingIndex];
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return result;
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};
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function update2(frustum) {
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if (!defined_default(frustum.width) || !defined_default(frustum.aspectRatio) || !defined_default(frustum.near) || !defined_default(frustum.far)) {
|
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throw new DeveloperError_default(
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"width, aspectRatio, near, or far parameters are not set."
|
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);
|
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}
|
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const f = frustum._offCenterFrustum;
|
|
if (frustum.width !== frustum._width || frustum.aspectRatio !== frustum._aspectRatio || frustum.near !== frustum._near || frustum.far !== frustum._far) {
|
|
if (frustum.aspectRatio < 0) {
|
|
throw new DeveloperError_default("aspectRatio must be positive.");
|
|
}
|
|
if (frustum.near < 0 || frustum.near > frustum.far) {
|
|
throw new DeveloperError_default(
|
|
"near must be greater than zero and less than far."
|
|
);
|
|
}
|
|
frustum._aspectRatio = frustum.aspectRatio;
|
|
frustum._width = frustum.width;
|
|
frustum._near = frustum.near;
|
|
frustum._far = frustum.far;
|
|
const ratio = 1 / frustum.aspectRatio;
|
|
f.right = frustum.width * 0.5;
|
|
f.left = -f.right;
|
|
f.top = ratio * f.right;
|
|
f.bottom = -f.top;
|
|
f.near = frustum.near;
|
|
f.far = frustum.far;
|
|
}
|
|
}
|
|
Object.defineProperties(OrthographicFrustum.prototype, {
|
|
/**
|
|
* Gets the orthographic projection matrix computed from the view frustum.
|
|
* @memberof OrthographicFrustum.prototype
|
|
* @type {Matrix4}
|
|
* @readonly
|
|
*/
|
|
projectionMatrix: {
|
|
get: function() {
|
|
update2(this);
|
|
return this._offCenterFrustum.projectionMatrix;
|
|
}
|
|
},
|
|
/**
|
|
* Gets the orthographic projection matrix computed from the view frustum.
|
|
* @memberof OrthographicFrustum.prototype
|
|
* @type {OrthographicOffCenterFrustum}
|
|
* @readonly
|
|
* @private
|
|
*/
|
|
offCenterFrustum: {
|
|
get: function() {
|
|
update2(this);
|
|
return this._offCenterFrustum;
|
|
}
|
|
}
|
|
});
|
|
OrthographicFrustum.prototype.computeCullingVolume = function(position, direction, up) {
|
|
update2(this);
|
|
return this._offCenterFrustum.computeCullingVolume(position, direction, up);
|
|
};
|
|
OrthographicFrustum.prototype.getPixelDimensions = function(drawingBufferWidth, drawingBufferHeight, distance, pixelRatio, result) {
|
|
update2(this);
|
|
return this._offCenterFrustum.getPixelDimensions(
|
|
drawingBufferWidth,
|
|
drawingBufferHeight,
|
|
distance,
|
|
pixelRatio,
|
|
result
|
|
);
|
|
};
|
|
OrthographicFrustum.prototype.clone = function(result) {
|
|
if (!defined_default(result)) {
|
|
result = new OrthographicFrustum();
|
|
}
|
|
result.aspectRatio = this.aspectRatio;
|
|
result.width = this.width;
|
|
result.near = this.near;
|
|
result.far = this.far;
|
|
result._aspectRatio = void 0;
|
|
result._width = void 0;
|
|
result._near = void 0;
|
|
result._far = void 0;
|
|
this._offCenterFrustum.clone(result._offCenterFrustum);
|
|
return result;
|
|
};
|
|
OrthographicFrustum.prototype.equals = function(other) {
|
|
if (!defined_default(other) || !(other instanceof OrthographicFrustum)) {
|
|
return false;
|
|
}
|
|
update2(this);
|
|
update2(other);
|
|
return this.width === other.width && this.aspectRatio === other.aspectRatio && this._offCenterFrustum.equals(other._offCenterFrustum);
|
|
};
|
|
OrthographicFrustum.prototype.equalsEpsilon = function(other, relativeEpsilon, absoluteEpsilon) {
|
|
if (!defined_default(other) || !(other instanceof OrthographicFrustum)) {
|
|
return false;
|
|
}
|
|
update2(this);
|
|
update2(other);
|
|
return Math_default.equalsEpsilon(
|
|
this.width,
|
|
other.width,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
) && Math_default.equalsEpsilon(
|
|
this.aspectRatio,
|
|
other.aspectRatio,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
) && this._offCenterFrustum.equalsEpsilon(
|
|
other._offCenterFrustum,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
);
|
|
};
|
|
var OrthographicFrustum_default = OrthographicFrustum;
|
|
|
|
// packages/engine/Source/Core/PerspectiveOffCenterFrustum.js
|
|
function PerspectiveOffCenterFrustum(options) {
|
|
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
|
|
this.left = options.left;
|
|
this._left = void 0;
|
|
this.right = options.right;
|
|
this._right = void 0;
|
|
this.top = options.top;
|
|
this._top = void 0;
|
|
this.bottom = options.bottom;
|
|
this._bottom = void 0;
|
|
this.near = defaultValue_default(options.near, 1);
|
|
this._near = this.near;
|
|
this.far = defaultValue_default(options.far, 5e8);
|
|
this._far = this.far;
|
|
this._cullingVolume = new CullingVolume_default();
|
|
this._perspectiveMatrix = new Matrix4_default();
|
|
this._infinitePerspective = new Matrix4_default();
|
|
}
|
|
function update3(frustum) {
|
|
if (!defined_default(frustum.right) || !defined_default(frustum.left) || !defined_default(frustum.top) || !defined_default(frustum.bottom) || !defined_default(frustum.near) || !defined_default(frustum.far)) {
|
|
throw new DeveloperError_default(
|
|
"right, left, top, bottom, near, or far parameters are not set."
|
|
);
|
|
}
|
|
const t = frustum.top;
|
|
const b = frustum.bottom;
|
|
const r = frustum.right;
|
|
const l = frustum.left;
|
|
const n = frustum.near;
|
|
const f = frustum.far;
|
|
if (t !== frustum._top || b !== frustum._bottom || l !== frustum._left || r !== frustum._right || n !== frustum._near || f !== frustum._far) {
|
|
if (frustum.near <= 0 || frustum.near > frustum.far) {
|
|
throw new DeveloperError_default(
|
|
"near must be greater than zero and less than far."
|
|
);
|
|
}
|
|
frustum._left = l;
|
|
frustum._right = r;
|
|
frustum._top = t;
|
|
frustum._bottom = b;
|
|
frustum._near = n;
|
|
frustum._far = f;
|
|
frustum._perspectiveMatrix = Matrix4_default.computePerspectiveOffCenter(
|
|
l,
|
|
r,
|
|
b,
|
|
t,
|
|
n,
|
|
f,
|
|
frustum._perspectiveMatrix
|
|
);
|
|
frustum._infinitePerspective = Matrix4_default.computeInfinitePerspectiveOffCenter(
|
|
l,
|
|
r,
|
|
b,
|
|
t,
|
|
n,
|
|
frustum._infinitePerspective
|
|
);
|
|
}
|
|
}
|
|
Object.defineProperties(PerspectiveOffCenterFrustum.prototype, {
|
|
/**
|
|
* Gets the perspective projection matrix computed from the view frustum.
|
|
* @memberof PerspectiveOffCenterFrustum.prototype
|
|
* @type {Matrix4}
|
|
* @readonly
|
|
*
|
|
* @see PerspectiveOffCenterFrustum#infiniteProjectionMatrix
|
|
*/
|
|
projectionMatrix: {
|
|
get: function() {
|
|
update3(this);
|
|
return this._perspectiveMatrix;
|
|
}
|
|
},
|
|
/**
|
|
* Gets the perspective projection matrix computed from the view frustum with an infinite far plane.
|
|
* @memberof PerspectiveOffCenterFrustum.prototype
|
|
* @type {Matrix4}
|
|
* @readonly
|
|
*
|
|
* @see PerspectiveOffCenterFrustum#projectionMatrix
|
|
*/
|
|
infiniteProjectionMatrix: {
|
|
get: function() {
|
|
update3(this);
|
|
return this._infinitePerspective;
|
|
}
|
|
}
|
|
});
|
|
var getPlanesRight2 = new Cartesian3_default();
|
|
var getPlanesNearCenter2 = new Cartesian3_default();
|
|
var getPlanesFarCenter = new Cartesian3_default();
|
|
var getPlanesNormal = new Cartesian3_default();
|
|
PerspectiveOffCenterFrustum.prototype.computeCullingVolume = function(position, direction, up) {
|
|
if (!defined_default(position)) {
|
|
throw new DeveloperError_default("position is required.");
|
|
}
|
|
if (!defined_default(direction)) {
|
|
throw new DeveloperError_default("direction is required.");
|
|
}
|
|
if (!defined_default(up)) {
|
|
throw new DeveloperError_default("up is required.");
|
|
}
|
|
const planes = this._cullingVolume.planes;
|
|
const t = this.top;
|
|
const b = this.bottom;
|
|
const r = this.right;
|
|
const l = this.left;
|
|
const n = this.near;
|
|
const f = this.far;
|
|
const right = Cartesian3_default.cross(direction, up, getPlanesRight2);
|
|
const nearCenter = getPlanesNearCenter2;
|
|
Cartesian3_default.multiplyByScalar(direction, n, nearCenter);
|
|
Cartesian3_default.add(position, nearCenter, nearCenter);
|
|
const farCenter = getPlanesFarCenter;
|
|
Cartesian3_default.multiplyByScalar(direction, f, farCenter);
|
|
Cartesian3_default.add(position, farCenter, farCenter);
|
|
const normal = getPlanesNormal;
|
|
Cartesian3_default.multiplyByScalar(right, l, normal);
|
|
Cartesian3_default.add(nearCenter, normal, normal);
|
|
Cartesian3_default.subtract(normal, position, normal);
|
|
Cartesian3_default.normalize(normal, normal);
|
|
Cartesian3_default.cross(normal, up, normal);
|
|
Cartesian3_default.normalize(normal, normal);
|
|
let plane = planes[0];
|
|
if (!defined_default(plane)) {
|
|
plane = planes[0] = new Cartesian4_default();
|
|
}
|
|
plane.x = normal.x;
|
|
plane.y = normal.y;
|
|
plane.z = normal.z;
|
|
plane.w = -Cartesian3_default.dot(normal, position);
|
|
Cartesian3_default.multiplyByScalar(right, r, normal);
|
|
Cartesian3_default.add(nearCenter, normal, normal);
|
|
Cartesian3_default.subtract(normal, position, normal);
|
|
Cartesian3_default.cross(up, normal, normal);
|
|
Cartesian3_default.normalize(normal, normal);
|
|
plane = planes[1];
|
|
if (!defined_default(plane)) {
|
|
plane = planes[1] = new Cartesian4_default();
|
|
}
|
|
plane.x = normal.x;
|
|
plane.y = normal.y;
|
|
plane.z = normal.z;
|
|
plane.w = -Cartesian3_default.dot(normal, position);
|
|
Cartesian3_default.multiplyByScalar(up, b, normal);
|
|
Cartesian3_default.add(nearCenter, normal, normal);
|
|
Cartesian3_default.subtract(normal, position, normal);
|
|
Cartesian3_default.cross(right, normal, normal);
|
|
Cartesian3_default.normalize(normal, normal);
|
|
plane = planes[2];
|
|
if (!defined_default(plane)) {
|
|
plane = planes[2] = new Cartesian4_default();
|
|
}
|
|
plane.x = normal.x;
|
|
plane.y = normal.y;
|
|
plane.z = normal.z;
|
|
plane.w = -Cartesian3_default.dot(normal, position);
|
|
Cartesian3_default.multiplyByScalar(up, t, normal);
|
|
Cartesian3_default.add(nearCenter, normal, normal);
|
|
Cartesian3_default.subtract(normal, position, normal);
|
|
Cartesian3_default.cross(normal, right, normal);
|
|
Cartesian3_default.normalize(normal, normal);
|
|
plane = planes[3];
|
|
if (!defined_default(plane)) {
|
|
plane = planes[3] = new Cartesian4_default();
|
|
}
|
|
plane.x = normal.x;
|
|
plane.y = normal.y;
|
|
plane.z = normal.z;
|
|
plane.w = -Cartesian3_default.dot(normal, position);
|
|
plane = planes[4];
|
|
if (!defined_default(plane)) {
|
|
plane = planes[4] = new Cartesian4_default();
|
|
}
|
|
plane.x = direction.x;
|
|
plane.y = direction.y;
|
|
plane.z = direction.z;
|
|
plane.w = -Cartesian3_default.dot(direction, nearCenter);
|
|
Cartesian3_default.negate(direction, normal);
|
|
plane = planes[5];
|
|
if (!defined_default(plane)) {
|
|
plane = planes[5] = new Cartesian4_default();
|
|
}
|
|
plane.x = normal.x;
|
|
plane.y = normal.y;
|
|
plane.z = normal.z;
|
|
plane.w = -Cartesian3_default.dot(normal, farCenter);
|
|
return this._cullingVolume;
|
|
};
|
|
PerspectiveOffCenterFrustum.prototype.getPixelDimensions = function(drawingBufferWidth, drawingBufferHeight, distance, pixelRatio, result) {
|
|
update3(this);
|
|
if (!defined_default(drawingBufferWidth) || !defined_default(drawingBufferHeight)) {
|
|
throw new DeveloperError_default(
|
|
"Both drawingBufferWidth and drawingBufferHeight are required."
|
|
);
|
|
}
|
|
if (drawingBufferWidth <= 0) {
|
|
throw new DeveloperError_default("drawingBufferWidth must be greater than zero.");
|
|
}
|
|
if (drawingBufferHeight <= 0) {
|
|
throw new DeveloperError_default("drawingBufferHeight must be greater than zero.");
|
|
}
|
|
if (!defined_default(distance)) {
|
|
throw new DeveloperError_default("distance is required.");
|
|
}
|
|
if (!defined_default(pixelRatio)) {
|
|
throw new DeveloperError_default("pixelRatio is required");
|
|
}
|
|
if (pixelRatio <= 0) {
|
|
throw new DeveloperError_default("pixelRatio must be greater than zero.");
|
|
}
|
|
if (!defined_default(result)) {
|
|
throw new DeveloperError_default("A result object is required.");
|
|
}
|
|
const inverseNear = 1 / this.near;
|
|
let tanTheta = this.top * inverseNear;
|
|
const pixelHeight = 2 * pixelRatio * distance * tanTheta / drawingBufferHeight;
|
|
tanTheta = this.right * inverseNear;
|
|
const pixelWidth = 2 * pixelRatio * distance * tanTheta / drawingBufferWidth;
|
|
result.x = pixelWidth;
|
|
result.y = pixelHeight;
|
|
return result;
|
|
};
|
|
PerspectiveOffCenterFrustum.prototype.clone = function(result) {
|
|
if (!defined_default(result)) {
|
|
result = new PerspectiveOffCenterFrustum();
|
|
}
|
|
result.right = this.right;
|
|
result.left = this.left;
|
|
result.top = this.top;
|
|
result.bottom = this.bottom;
|
|
result.near = this.near;
|
|
result.far = this.far;
|
|
result._left = void 0;
|
|
result._right = void 0;
|
|
result._top = void 0;
|
|
result._bottom = void 0;
|
|
result._near = void 0;
|
|
result._far = void 0;
|
|
return result;
|
|
};
|
|
PerspectiveOffCenterFrustum.prototype.equals = function(other) {
|
|
return defined_default(other) && other instanceof PerspectiveOffCenterFrustum && this.right === other.right && this.left === other.left && this.top === other.top && this.bottom === other.bottom && this.near === other.near && this.far === other.far;
|
|
};
|
|
PerspectiveOffCenterFrustum.prototype.equalsEpsilon = function(other, relativeEpsilon, absoluteEpsilon) {
|
|
return other === this || defined_default(other) && other instanceof PerspectiveOffCenterFrustum && Math_default.equalsEpsilon(
|
|
this.right,
|
|
other.right,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
) && Math_default.equalsEpsilon(
|
|
this.left,
|
|
other.left,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
) && Math_default.equalsEpsilon(
|
|
this.top,
|
|
other.top,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
) && Math_default.equalsEpsilon(
|
|
this.bottom,
|
|
other.bottom,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
) && Math_default.equalsEpsilon(
|
|
this.near,
|
|
other.near,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
) && Math_default.equalsEpsilon(
|
|
this.far,
|
|
other.far,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
);
|
|
};
|
|
var PerspectiveOffCenterFrustum_default = PerspectiveOffCenterFrustum;
|
|
|
|
// packages/engine/Source/Core/PerspectiveFrustum.js
|
|
function PerspectiveFrustum(options) {
|
|
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
|
|
this._offCenterFrustum = new PerspectiveOffCenterFrustum_default();
|
|
this.fov = options.fov;
|
|
this._fov = void 0;
|
|
this._fovy = void 0;
|
|
this._sseDenominator = void 0;
|
|
this.aspectRatio = options.aspectRatio;
|
|
this._aspectRatio = void 0;
|
|
this.near = defaultValue_default(options.near, 1);
|
|
this._near = this.near;
|
|
this.far = defaultValue_default(options.far, 5e8);
|
|
this._far = this.far;
|
|
this.xOffset = defaultValue_default(options.xOffset, 0);
|
|
this._xOffset = this.xOffset;
|
|
this.yOffset = defaultValue_default(options.yOffset, 0);
|
|
this._yOffset = this.yOffset;
|
|
}
|
|
PerspectiveFrustum.packedLength = 6;
|
|
PerspectiveFrustum.pack = function(value, array, startingIndex) {
|
|
Check_default.typeOf.object("value", value);
|
|
Check_default.defined("array", array);
|
|
startingIndex = defaultValue_default(startingIndex, 0);
|
|
array[startingIndex++] = value.fov;
|
|
array[startingIndex++] = value.aspectRatio;
|
|
array[startingIndex++] = value.near;
|
|
array[startingIndex++] = value.far;
|
|
array[startingIndex++] = value.xOffset;
|
|
array[startingIndex] = value.yOffset;
|
|
return array;
|
|
};
|
|
PerspectiveFrustum.unpack = function(array, startingIndex, result) {
|
|
Check_default.defined("array", array);
|
|
startingIndex = defaultValue_default(startingIndex, 0);
|
|
if (!defined_default(result)) {
|
|
result = new PerspectiveFrustum();
|
|
}
|
|
result.fov = array[startingIndex++];
|
|
result.aspectRatio = array[startingIndex++];
|
|
result.near = array[startingIndex++];
|
|
result.far = array[startingIndex++];
|
|
result.xOffset = array[startingIndex++];
|
|
result.yOffset = array[startingIndex];
|
|
return result;
|
|
};
|
|
function update4(frustum) {
|
|
if (!defined_default(frustum.fov) || !defined_default(frustum.aspectRatio) || !defined_default(frustum.near) || !defined_default(frustum.far)) {
|
|
throw new DeveloperError_default(
|
|
"fov, aspectRatio, near, or far parameters are not set."
|
|
);
|
|
}
|
|
const f = frustum._offCenterFrustum;
|
|
if (frustum.fov !== frustum._fov || frustum.aspectRatio !== frustum._aspectRatio || frustum.near !== frustum._near || frustum.far !== frustum._far || frustum.xOffset !== frustum._xOffset || frustum.yOffset !== frustum._yOffset) {
|
|
if (frustum.fov < 0 || frustum.fov >= Math.PI) {
|
|
throw new DeveloperError_default("fov must be in the range [0, PI).");
|
|
}
|
|
if (frustum.aspectRatio < 0) {
|
|
throw new DeveloperError_default("aspectRatio must be positive.");
|
|
}
|
|
if (frustum.near < 0 || frustum.near > frustum.far) {
|
|
throw new DeveloperError_default(
|
|
"near must be greater than zero and less than far."
|
|
);
|
|
}
|
|
frustum._aspectRatio = frustum.aspectRatio;
|
|
frustum._fov = frustum.fov;
|
|
frustum._fovy = frustum.aspectRatio <= 1 ? frustum.fov : Math.atan(Math.tan(frustum.fov * 0.5) / frustum.aspectRatio) * 2;
|
|
frustum._near = frustum.near;
|
|
frustum._far = frustum.far;
|
|
frustum._sseDenominator = 2 * Math.tan(0.5 * frustum._fovy);
|
|
frustum._xOffset = frustum.xOffset;
|
|
frustum._yOffset = frustum.yOffset;
|
|
f.top = frustum.near * Math.tan(0.5 * frustum._fovy);
|
|
f.bottom = -f.top;
|
|
f.right = frustum.aspectRatio * f.top;
|
|
f.left = -f.right;
|
|
f.near = frustum.near;
|
|
f.far = frustum.far;
|
|
f.right += frustum.xOffset;
|
|
f.left += frustum.xOffset;
|
|
f.top += frustum.yOffset;
|
|
f.bottom += frustum.yOffset;
|
|
}
|
|
}
|
|
Object.defineProperties(PerspectiveFrustum.prototype, {
|
|
/**
|
|
* Gets the perspective projection matrix computed from the view frustum.
|
|
* @memberof PerspectiveFrustum.prototype
|
|
* @type {Matrix4}
|
|
* @readonly
|
|
*
|
|
* @see PerspectiveFrustum#infiniteProjectionMatrix
|
|
*/
|
|
projectionMatrix: {
|
|
get: function() {
|
|
update4(this);
|
|
return this._offCenterFrustum.projectionMatrix;
|
|
}
|
|
},
|
|
/**
|
|
* The perspective projection matrix computed from the view frustum with an infinite far plane.
|
|
* @memberof PerspectiveFrustum.prototype
|
|
* @type {Matrix4}
|
|
* @readonly
|
|
*
|
|
* @see PerspectiveFrustum#projectionMatrix
|
|
*/
|
|
infiniteProjectionMatrix: {
|
|
get: function() {
|
|
update4(this);
|
|
return this._offCenterFrustum.infiniteProjectionMatrix;
|
|
}
|
|
},
|
|
/**
|
|
* Gets the angle of the vertical field of view, in radians.
|
|
* @memberof PerspectiveFrustum.prototype
|
|
* @type {number}
|
|
* @readonly
|
|
* @default undefined
|
|
*/
|
|
fovy: {
|
|
get: function() {
|
|
update4(this);
|
|
return this._fovy;
|
|
}
|
|
},
|
|
/**
|
|
* @readonly
|
|
* @private
|
|
*/
|
|
sseDenominator: {
|
|
get: function() {
|
|
update4(this);
|
|
return this._sseDenominator;
|
|
}
|
|
},
|
|
/**
|
|
* Gets the orthographic projection matrix computed from the view frustum.
|
|
* @memberof PerspectiveFrustum.prototype
|
|
* @type {PerspectiveOffCenterFrustum}
|
|
* @readonly
|
|
* @private
|
|
*/
|
|
offCenterFrustum: {
|
|
get: function() {
|
|
update4(this);
|
|
return this._offCenterFrustum;
|
|
}
|
|
}
|
|
});
|
|
PerspectiveFrustum.prototype.computeCullingVolume = function(position, direction, up) {
|
|
update4(this);
|
|
return this._offCenterFrustum.computeCullingVolume(position, direction, up);
|
|
};
|
|
PerspectiveFrustum.prototype.getPixelDimensions = function(drawingBufferWidth, drawingBufferHeight, distance, pixelRatio, result) {
|
|
update4(this);
|
|
return this._offCenterFrustum.getPixelDimensions(
|
|
drawingBufferWidth,
|
|
drawingBufferHeight,
|
|
distance,
|
|
pixelRatio,
|
|
result
|
|
);
|
|
};
|
|
PerspectiveFrustum.prototype.clone = function(result) {
|
|
if (!defined_default(result)) {
|
|
result = new PerspectiveFrustum();
|
|
}
|
|
result.aspectRatio = this.aspectRatio;
|
|
result.fov = this.fov;
|
|
result.near = this.near;
|
|
result.far = this.far;
|
|
result._aspectRatio = void 0;
|
|
result._fov = void 0;
|
|
result._near = void 0;
|
|
result._far = void 0;
|
|
this._offCenterFrustum.clone(result._offCenterFrustum);
|
|
return result;
|
|
};
|
|
PerspectiveFrustum.prototype.equals = function(other) {
|
|
if (!defined_default(other) || !(other instanceof PerspectiveFrustum)) {
|
|
return false;
|
|
}
|
|
update4(this);
|
|
update4(other);
|
|
return this.fov === other.fov && this.aspectRatio === other.aspectRatio && this._offCenterFrustum.equals(other._offCenterFrustum);
|
|
};
|
|
PerspectiveFrustum.prototype.equalsEpsilon = function(other, relativeEpsilon, absoluteEpsilon) {
|
|
if (!defined_default(other) || !(other instanceof PerspectiveFrustum)) {
|
|
return false;
|
|
}
|
|
update4(this);
|
|
update4(other);
|
|
return Math_default.equalsEpsilon(
|
|
this.fov,
|
|
other.fov,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
) && Math_default.equalsEpsilon(
|
|
this.aspectRatio,
|
|
other.aspectRatio,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
) && this._offCenterFrustum.equalsEpsilon(
|
|
other._offCenterFrustum,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
);
|
|
};
|
|
var PerspectiveFrustum_default = PerspectiveFrustum;
|
|
|
|
// packages/engine/Source/Core/FrustumGeometry.js
|
|
var PERSPECTIVE = 0;
|
|
var ORTHOGRAPHIC = 1;
|
|
function FrustumGeometry(options) {
|
|
Check_default.typeOf.object("options", options);
|
|
Check_default.typeOf.object("options.frustum", options.frustum);
|
|
Check_default.typeOf.object("options.origin", options.origin);
|
|
Check_default.typeOf.object("options.orientation", options.orientation);
|
|
const frustum = options.frustum;
|
|
const orientation = options.orientation;
|
|
const origin = options.origin;
|
|
const vertexFormat = defaultValue_default(options.vertexFormat, VertexFormat_default.DEFAULT);
|
|
const drawNearPlane = defaultValue_default(options._drawNearPlane, true);
|
|
let frustumType;
|
|
let frustumPackedLength;
|
|
if (frustum instanceof PerspectiveFrustum_default) {
|
|
frustumType = PERSPECTIVE;
|
|
frustumPackedLength = PerspectiveFrustum_default.packedLength;
|
|
} else if (frustum instanceof OrthographicFrustum_default) {
|
|
frustumType = ORTHOGRAPHIC;
|
|
frustumPackedLength = OrthographicFrustum_default.packedLength;
|
|
}
|
|
this._frustumType = frustumType;
|
|
this._frustum = frustum.clone();
|
|
this._origin = Cartesian3_default.clone(origin);
|
|
this._orientation = Quaternion_default.clone(orientation);
|
|
this._drawNearPlane = drawNearPlane;
|
|
this._vertexFormat = vertexFormat;
|
|
this._workerName = "createFrustumGeometry";
|
|
this.packedLength = 2 + frustumPackedLength + Cartesian3_default.packedLength + Quaternion_default.packedLength + VertexFormat_default.packedLength;
|
|
}
|
|
FrustumGeometry.pack = function(value, array, startingIndex) {
|
|
Check_default.typeOf.object("value", value);
|
|
Check_default.defined("array", array);
|
|
startingIndex = defaultValue_default(startingIndex, 0);
|
|
const frustumType = value._frustumType;
|
|
const frustum = value._frustum;
|
|
array[startingIndex++] = frustumType;
|
|
if (frustumType === PERSPECTIVE) {
|
|
PerspectiveFrustum_default.pack(frustum, array, startingIndex);
|
|
startingIndex += PerspectiveFrustum_default.packedLength;
|
|
} else {
|
|
OrthographicFrustum_default.pack(frustum, array, startingIndex);
|
|
startingIndex += OrthographicFrustum_default.packedLength;
|
|
}
|
|
Cartesian3_default.pack(value._origin, array, startingIndex);
|
|
startingIndex += Cartesian3_default.packedLength;
|
|
Quaternion_default.pack(value._orientation, array, startingIndex);
|
|
startingIndex += Quaternion_default.packedLength;
|
|
VertexFormat_default.pack(value._vertexFormat, array, startingIndex);
|
|
startingIndex += VertexFormat_default.packedLength;
|
|
array[startingIndex] = value._drawNearPlane ? 1 : 0;
|
|
return array;
|
|
};
|
|
var scratchPackPerspective = new PerspectiveFrustum_default();
|
|
var scratchPackOrthographic = new OrthographicFrustum_default();
|
|
var scratchPackQuaternion = new Quaternion_default();
|
|
var scratchPackorigin = new Cartesian3_default();
|
|
var scratchVertexFormat = new VertexFormat_default();
|
|
FrustumGeometry.unpack = function(array, startingIndex, result) {
|
|
Check_default.defined("array", array);
|
|
startingIndex = defaultValue_default(startingIndex, 0);
|
|
const frustumType = array[startingIndex++];
|
|
let frustum;
|
|
if (frustumType === PERSPECTIVE) {
|
|
frustum = PerspectiveFrustum_default.unpack(
|
|
array,
|
|
startingIndex,
|
|
scratchPackPerspective
|
|
);
|
|
startingIndex += PerspectiveFrustum_default.packedLength;
|
|
} else {
|
|
frustum = OrthographicFrustum_default.unpack(
|
|
array,
|
|
startingIndex,
|
|
scratchPackOrthographic
|
|
);
|
|
startingIndex += OrthographicFrustum_default.packedLength;
|
|
}
|
|
const origin = Cartesian3_default.unpack(array, startingIndex, scratchPackorigin);
|
|
startingIndex += Cartesian3_default.packedLength;
|
|
const orientation = Quaternion_default.unpack(
|
|
array,
|
|
startingIndex,
|
|
scratchPackQuaternion
|
|
);
|
|
startingIndex += Quaternion_default.packedLength;
|
|
const vertexFormat = VertexFormat_default.unpack(
|
|
array,
|
|
startingIndex,
|
|
scratchVertexFormat
|
|
);
|
|
startingIndex += VertexFormat_default.packedLength;
|
|
const drawNearPlane = array[startingIndex] === 1;
|
|
if (!defined_default(result)) {
|
|
return new FrustumGeometry({
|
|
frustum,
|
|
origin,
|
|
orientation,
|
|
vertexFormat,
|
|
_drawNearPlane: drawNearPlane
|
|
});
|
|
}
|
|
const frustumResult = frustumType === result._frustumType ? result._frustum : void 0;
|
|
result._frustum = frustum.clone(frustumResult);
|
|
result._frustumType = frustumType;
|
|
result._origin = Cartesian3_default.clone(origin, result._origin);
|
|
result._orientation = Quaternion_default.clone(orientation, result._orientation);
|
|
result._vertexFormat = VertexFormat_default.clone(vertexFormat, result._vertexFormat);
|
|
result._drawNearPlane = drawNearPlane;
|
|
return result;
|
|
};
|
|
function getAttributes(offset, normals, tangents, bitangents, st, normal, tangent, bitangent) {
|
|
const stOffset = offset / 3 * 2;
|
|
for (let i = 0; i < 4; ++i) {
|
|
if (defined_default(normals)) {
|
|
normals[offset] = normal.x;
|
|
normals[offset + 1] = normal.y;
|
|
normals[offset + 2] = normal.z;
|
|
}
|
|
if (defined_default(tangents)) {
|
|
tangents[offset] = tangent.x;
|
|
tangents[offset + 1] = tangent.y;
|
|
tangents[offset + 2] = tangent.z;
|
|
}
|
|
if (defined_default(bitangents)) {
|
|
bitangents[offset] = bitangent.x;
|
|
bitangents[offset + 1] = bitangent.y;
|
|
bitangents[offset + 2] = bitangent.z;
|
|
}
|
|
offset += 3;
|
|
}
|
|
st[stOffset] = 0;
|
|
st[stOffset + 1] = 0;
|
|
st[stOffset + 2] = 1;
|
|
st[stOffset + 3] = 0;
|
|
st[stOffset + 4] = 1;
|
|
st[stOffset + 5] = 1;
|
|
st[stOffset + 6] = 0;
|
|
st[stOffset + 7] = 1;
|
|
}
|
|
var scratchRotationMatrix = new Matrix3_default();
|
|
var scratchViewMatrix = new Matrix4_default();
|
|
var scratchInverseMatrix = new Matrix4_default();
|
|
var scratchXDirection = new Cartesian3_default();
|
|
var scratchYDirection = new Cartesian3_default();
|
|
var scratchZDirection = new Cartesian3_default();
|
|
var scratchNegativeX = new Cartesian3_default();
|
|
var scratchNegativeY = new Cartesian3_default();
|
|
var scratchNegativeZ = new Cartesian3_default();
|
|
var frustumSplits = new Array(3);
|
|
var frustumCornersNDC = new Array(4);
|
|
frustumCornersNDC[0] = new Cartesian4_default(-1, -1, 1, 1);
|
|
frustumCornersNDC[1] = new Cartesian4_default(1, -1, 1, 1);
|
|
frustumCornersNDC[2] = new Cartesian4_default(1, 1, 1, 1);
|
|
frustumCornersNDC[3] = new Cartesian4_default(-1, 1, 1, 1);
|
|
var scratchFrustumCorners = new Array(4);
|
|
for (let i = 0; i < 4; ++i) {
|
|
scratchFrustumCorners[i] = new Cartesian4_default();
|
|
}
|
|
FrustumGeometry._computeNearFarPlanes = function(origin, orientation, frustumType, frustum, positions, xDirection, yDirection, zDirection) {
|
|
const rotationMatrix = Matrix3_default.fromQuaternion(
|
|
orientation,
|
|
scratchRotationMatrix
|
|
);
|
|
let x = defaultValue_default(xDirection, scratchXDirection);
|
|
let y = defaultValue_default(yDirection, scratchYDirection);
|
|
let z = defaultValue_default(zDirection, scratchZDirection);
|
|
x = Matrix3_default.getColumn(rotationMatrix, 0, x);
|
|
y = Matrix3_default.getColumn(rotationMatrix, 1, y);
|
|
z = Matrix3_default.getColumn(rotationMatrix, 2, z);
|
|
Cartesian3_default.normalize(x, x);
|
|
Cartesian3_default.normalize(y, y);
|
|
Cartesian3_default.normalize(z, z);
|
|
Cartesian3_default.negate(x, x);
|
|
const view = Matrix4_default.computeView(origin, z, y, x, scratchViewMatrix);
|
|
let inverseView;
|
|
let inverseViewProjection;
|
|
const projection = frustum.projectionMatrix;
|
|
if (frustumType === PERSPECTIVE) {
|
|
const viewProjection = Matrix4_default.multiply(
|
|
projection,
|
|
view,
|
|
scratchInverseMatrix
|
|
);
|
|
inverseViewProjection = Matrix4_default.inverse(
|
|
viewProjection,
|
|
scratchInverseMatrix
|
|
);
|
|
} else {
|
|
inverseView = Matrix4_default.inverseTransformation(view, scratchInverseMatrix);
|
|
}
|
|
if (defined_default(inverseViewProjection)) {
|
|
frustumSplits[0] = frustum.near;
|
|
frustumSplits[1] = frustum.far;
|
|
} else {
|
|
frustumSplits[0] = 0;
|
|
frustumSplits[1] = frustum.near;
|
|
frustumSplits[2] = frustum.far;
|
|
}
|
|
for (let i = 0; i < 2; ++i) {
|
|
for (let j = 0; j < 4; ++j) {
|
|
let corner = Cartesian4_default.clone(
|
|
frustumCornersNDC[j],
|
|
scratchFrustumCorners[j]
|
|
);
|
|
if (!defined_default(inverseViewProjection)) {
|
|
const offCenterFrustum = frustum.offCenterFrustum;
|
|
if (defined_default(offCenterFrustum)) {
|
|
frustum = offCenterFrustum;
|
|
}
|
|
const near = frustumSplits[i];
|
|
const far = frustumSplits[i + 1];
|
|
corner.x = (corner.x * (frustum.right - frustum.left) + frustum.left + frustum.right) * 0.5;
|
|
corner.y = (corner.y * (frustum.top - frustum.bottom) + frustum.bottom + frustum.top) * 0.5;
|
|
corner.z = (corner.z * (near - far) - near - far) * 0.5;
|
|
corner.w = 1;
|
|
Matrix4_default.multiplyByVector(inverseView, corner, corner);
|
|
} else {
|
|
corner = Matrix4_default.multiplyByVector(
|
|
inverseViewProjection,
|
|
corner,
|
|
corner
|
|
);
|
|
const w = 1 / corner.w;
|
|
Cartesian3_default.multiplyByScalar(corner, w, corner);
|
|
Cartesian3_default.subtract(corner, origin, corner);
|
|
Cartesian3_default.normalize(corner, corner);
|
|
const fac = Cartesian3_default.dot(z, corner);
|
|
Cartesian3_default.multiplyByScalar(corner, frustumSplits[i] / fac, corner);
|
|
Cartesian3_default.add(corner, origin, corner);
|
|
}
|
|
positions[12 * i + j * 3] = corner.x;
|
|
positions[12 * i + j * 3 + 1] = corner.y;
|
|
positions[12 * i + j * 3 + 2] = corner.z;
|
|
}
|
|
}
|
|
};
|
|
FrustumGeometry.createGeometry = function(frustumGeometry) {
|
|
const frustumType = frustumGeometry._frustumType;
|
|
const frustum = frustumGeometry._frustum;
|
|
const origin = frustumGeometry._origin;
|
|
const orientation = frustumGeometry._orientation;
|
|
const drawNearPlane = frustumGeometry._drawNearPlane;
|
|
const vertexFormat = frustumGeometry._vertexFormat;
|
|
const numberOfPlanes = drawNearPlane ? 6 : 5;
|
|
let positions = new Float64Array(3 * 4 * 6);
|
|
FrustumGeometry._computeNearFarPlanes(
|
|
origin,
|
|
orientation,
|
|
frustumType,
|
|
frustum,
|
|
positions
|
|
);
|
|
let offset = 3 * 4 * 2;
|
|
positions[offset] = positions[3 * 4];
|
|
positions[offset + 1] = positions[3 * 4 + 1];
|
|
positions[offset + 2] = positions[3 * 4 + 2];
|
|
positions[offset + 3] = positions[0];
|
|
positions[offset + 4] = positions[1];
|
|
positions[offset + 5] = positions[2];
|
|
positions[offset + 6] = positions[3 * 3];
|
|
positions[offset + 7] = positions[3 * 3 + 1];
|
|
positions[offset + 8] = positions[3 * 3 + 2];
|
|
positions[offset + 9] = positions[3 * 7];
|
|
positions[offset + 10] = positions[3 * 7 + 1];
|
|
positions[offset + 11] = positions[3 * 7 + 2];
|
|
offset += 3 * 4;
|
|
positions[offset] = positions[3 * 5];
|
|
positions[offset + 1] = positions[3 * 5 + 1];
|
|
positions[offset + 2] = positions[3 * 5 + 2];
|
|
positions[offset + 3] = positions[3];
|
|
positions[offset + 4] = positions[3 + 1];
|
|
positions[offset + 5] = positions[3 + 2];
|
|
positions[offset + 6] = positions[0];
|
|
positions[offset + 7] = positions[1];
|
|
positions[offset + 8] = positions[2];
|
|
positions[offset + 9] = positions[3 * 4];
|
|
positions[offset + 10] = positions[3 * 4 + 1];
|
|
positions[offset + 11] = positions[3 * 4 + 2];
|
|
offset += 3 * 4;
|
|
positions[offset] = positions[3];
|
|
positions[offset + 1] = positions[3 + 1];
|
|
positions[offset + 2] = positions[3 + 2];
|
|
positions[offset + 3] = positions[3 * 5];
|
|
positions[offset + 4] = positions[3 * 5 + 1];
|
|
positions[offset + 5] = positions[3 * 5 + 2];
|
|
positions[offset + 6] = positions[3 * 6];
|
|
positions[offset + 7] = positions[3 * 6 + 1];
|
|
positions[offset + 8] = positions[3 * 6 + 2];
|
|
positions[offset + 9] = positions[3 * 2];
|
|
positions[offset + 10] = positions[3 * 2 + 1];
|
|
positions[offset + 11] = positions[3 * 2 + 2];
|
|
offset += 3 * 4;
|
|
positions[offset] = positions[3 * 2];
|
|
positions[offset + 1] = positions[3 * 2 + 1];
|
|
positions[offset + 2] = positions[3 * 2 + 2];
|
|
positions[offset + 3] = positions[3 * 6];
|
|
positions[offset + 4] = positions[3 * 6 + 1];
|
|
positions[offset + 5] = positions[3 * 6 + 2];
|
|
positions[offset + 6] = positions[3 * 7];
|
|
positions[offset + 7] = positions[3 * 7 + 1];
|
|
positions[offset + 8] = positions[3 * 7 + 2];
|
|
positions[offset + 9] = positions[3 * 3];
|
|
positions[offset + 10] = positions[3 * 3 + 1];
|
|
positions[offset + 11] = positions[3 * 3 + 2];
|
|
if (!drawNearPlane) {
|
|
positions = positions.subarray(3 * 4);
|
|
}
|
|
const attributes = new GeometryAttributes_default({
|
|
position: new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.DOUBLE,
|
|
componentsPerAttribute: 3,
|
|
values: positions
|
|
})
|
|
});
|
|
if (defined_default(vertexFormat.normal) || defined_default(vertexFormat.tangent) || defined_default(vertexFormat.bitangent) || defined_default(vertexFormat.st)) {
|
|
const normals = defined_default(vertexFormat.normal) ? new Float32Array(3 * 4 * numberOfPlanes) : void 0;
|
|
const tangents = defined_default(vertexFormat.tangent) ? new Float32Array(3 * 4 * numberOfPlanes) : void 0;
|
|
const bitangents = defined_default(vertexFormat.bitangent) ? new Float32Array(3 * 4 * numberOfPlanes) : void 0;
|
|
const st = defined_default(vertexFormat.st) ? new Float32Array(2 * 4 * numberOfPlanes) : void 0;
|
|
const x = scratchXDirection;
|
|
const y = scratchYDirection;
|
|
const z = scratchZDirection;
|
|
const negativeX = Cartesian3_default.negate(x, scratchNegativeX);
|
|
const negativeY = Cartesian3_default.negate(y, scratchNegativeY);
|
|
const negativeZ = Cartesian3_default.negate(z, scratchNegativeZ);
|
|
offset = 0;
|
|
if (drawNearPlane) {
|
|
getAttributes(offset, normals, tangents, bitangents, st, negativeZ, x, y);
|
|
offset += 3 * 4;
|
|
}
|
|
getAttributes(offset, normals, tangents, bitangents, st, z, negativeX, y);
|
|
offset += 3 * 4;
|
|
getAttributes(
|
|
offset,
|
|
normals,
|
|
tangents,
|
|
bitangents,
|
|
st,
|
|
negativeX,
|
|
negativeZ,
|
|
y
|
|
);
|
|
offset += 3 * 4;
|
|
getAttributes(
|
|
offset,
|
|
normals,
|
|
tangents,
|
|
bitangents,
|
|
st,
|
|
negativeY,
|
|
negativeZ,
|
|
negativeX
|
|
);
|
|
offset += 3 * 4;
|
|
getAttributes(offset, normals, tangents, bitangents, st, x, z, y);
|
|
offset += 3 * 4;
|
|
getAttributes(offset, normals, tangents, bitangents, st, y, z, negativeX);
|
|
if (defined_default(normals)) {
|
|
attributes.normal = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 3,
|
|
values: normals
|
|
});
|
|
}
|
|
if (defined_default(tangents)) {
|
|
attributes.tangent = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 3,
|
|
values: tangents
|
|
});
|
|
}
|
|
if (defined_default(bitangents)) {
|
|
attributes.bitangent = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 3,
|
|
values: bitangents
|
|
});
|
|
}
|
|
if (defined_default(st)) {
|
|
attributes.st = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 2,
|
|
values: st
|
|
});
|
|
}
|
|
}
|
|
const indices = new Uint16Array(6 * numberOfPlanes);
|
|
for (let i = 0; i < numberOfPlanes; ++i) {
|
|
const indexOffset = i * 6;
|
|
const index = i * 4;
|
|
indices[indexOffset] = index;
|
|
indices[indexOffset + 1] = index + 1;
|
|
indices[indexOffset + 2] = index + 2;
|
|
indices[indexOffset + 3] = index;
|
|
indices[indexOffset + 4] = index + 2;
|
|
indices[indexOffset + 5] = index + 3;
|
|
}
|
|
return new Geometry_default({
|
|
attributes,
|
|
indices,
|
|
primitiveType: PrimitiveType_default.TRIANGLES,
|
|
boundingSphere: BoundingSphere_default.fromVertices(positions)
|
|
});
|
|
};
|
|
var FrustumGeometry_default = FrustumGeometry;
|
|
|
|
export {
|
|
OrthographicFrustum_default,
|
|
PerspectiveFrustum_default,
|
|
FrustumGeometry_default
|
|
};
|