139 lines
4.0 KiB
JavaScript
139 lines
4.0 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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defaultValue_default
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} from "./chunk-UCPPWV64.js";
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import {
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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/VertexFormat.js
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function VertexFormat(options) {
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options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
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this.position = defaultValue_default(options.position, false);
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this.normal = defaultValue_default(options.normal, false);
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this.st = defaultValue_default(options.st, false);
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this.bitangent = defaultValue_default(options.bitangent, false);
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this.tangent = defaultValue_default(options.tangent, false);
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this.color = defaultValue_default(options.color, false);
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}
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VertexFormat.POSITION_ONLY = Object.freeze(
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new VertexFormat({
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position: true
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})
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);
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VertexFormat.POSITION_AND_NORMAL = Object.freeze(
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new VertexFormat({
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position: true,
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normal: true
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})
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);
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VertexFormat.POSITION_NORMAL_AND_ST = Object.freeze(
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new VertexFormat({
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position: true,
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normal: true,
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st: true
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})
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);
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VertexFormat.POSITION_AND_ST = Object.freeze(
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new VertexFormat({
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position: true,
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st: true
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})
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);
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VertexFormat.POSITION_AND_COLOR = Object.freeze(
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new VertexFormat({
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position: true,
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color: true
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})
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);
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VertexFormat.ALL = Object.freeze(
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new VertexFormat({
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position: true,
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normal: true,
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st: true,
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tangent: true,
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bitangent: true
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})
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);
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VertexFormat.DEFAULT = VertexFormat.POSITION_NORMAL_AND_ST;
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VertexFormat.packedLength = 6;
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VertexFormat.pack = function(value, array, startingIndex) {
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if (!defined_default(value)) {
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throw new DeveloperError_default("value is required");
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}
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if (!defined_default(array)) {
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throw new DeveloperError_default("array is required");
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}
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startingIndex = defaultValue_default(startingIndex, 0);
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array[startingIndex++] = value.position ? 1 : 0;
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array[startingIndex++] = value.normal ? 1 : 0;
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array[startingIndex++] = value.st ? 1 : 0;
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array[startingIndex++] = value.tangent ? 1 : 0;
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array[startingIndex++] = value.bitangent ? 1 : 0;
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array[startingIndex] = value.color ? 1 : 0;
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return array;
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};
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VertexFormat.unpack = function(array, startingIndex, result) {
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if (!defined_default(array)) {
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throw new DeveloperError_default("array is required");
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}
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startingIndex = defaultValue_default(startingIndex, 0);
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if (!defined_default(result)) {
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result = new VertexFormat();
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}
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result.position = array[startingIndex++] === 1;
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result.normal = array[startingIndex++] === 1;
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result.st = array[startingIndex++] === 1;
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result.tangent = array[startingIndex++] === 1;
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result.bitangent = array[startingIndex++] === 1;
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result.color = array[startingIndex] === 1;
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return result;
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};
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VertexFormat.clone = function(vertexFormat, result) {
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if (!defined_default(vertexFormat)) {
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return void 0;
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}
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if (!defined_default(result)) {
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result = new VertexFormat();
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}
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result.position = vertexFormat.position;
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result.normal = vertexFormat.normal;
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result.st = vertexFormat.st;
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result.tangent = vertexFormat.tangent;
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result.bitangent = vertexFormat.bitangent;
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result.color = vertexFormat.color;
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return result;
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};
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var VertexFormat_default = VertexFormat;
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export {
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VertexFormat_default
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};
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