2 lines
3.8 KiB
JavaScript
2 lines
3.8 KiB
JavaScript
|
define(["exports","./Matrix2-413c4048","./Matrix3-81054f0f","./ComponentDatatype-ab629b88","./defaultValue-f6d5e6da","./Math-2ce22ee9"],(function(t,e,n,o,a,r){"use strict";const c={SCALAR:"SCALAR",VEC2:"VEC2",VEC3:"VEC3",VEC4:"VEC4",MAT2:"MAT2",MAT3:"MAT3",MAT4:"MAT4",getMathType:function(t){switch(t){case c.SCALAR:return Number;case c.VEC2:return e.Cartesian2;case c.VEC3:return n.Cartesian3;case c.VEC4:return e.Cartesian4;case c.MAT2:return e.Matrix2;case c.MAT3:return n.Matrix3;case c.MAT4:return e.Matrix4}},getNumberOfComponents:function(t){switch(t){case c.SCALAR:return 1;case c.VEC2:return 2;case c.VEC3:return 3;case c.VEC4:case c.MAT2:return 4;case c.MAT3:return 9;case c.MAT4:return 16}},getAttributeLocationCount:function(t){switch(t){case c.SCALAR:case c.VEC2:case c.VEC3:case c.VEC4:return 1;case c.MAT2:return 2;case c.MAT3:return 3;case c.MAT4:return 4}},getGlslType:function(t){switch(t){case c.SCALAR:return"float";case c.VEC2:return"vec2";case c.VEC3:return"vec3";case c.VEC4:return"vec4";case c.MAT2:return"mat2";case c.MAT3:return"mat3";case c.MAT4:return"mat4"}}};var s=Object.freeze(c);const u=1/256,i={octEncodeInRange:function(t,e,n){if(n.x=t.x/(Math.abs(t.x)+Math.abs(t.y)+Math.abs(t.z)),n.y=t.y/(Math.abs(t.x)+Math.abs(t.y)+Math.abs(t.z)),t.z<0){const t=n.x,e=n.y;n.x=(1-Math.abs(e))*r.CesiumMath.signNotZero(t),n.y=(1-Math.abs(t))*r.CesiumMath.signNotZero(e)}return n.x=r.CesiumMath.toSNorm(n.x,e),n.y=r.CesiumMath.toSNorm(n.y,e),n},octEncode:function(t,e){return i.octEncodeInRange(t,255,e)}},C=new e.Cartesian2,M=new Uint8Array(1);function f(t){return M[0]=t,M[0]}i.octEncodeToCartesian4=function(t,e){return i.octEncodeInRange(t,65535,C),e.x=f(C.x*u),e.y=f(C.x),e.z=f(C.y*u),e.w=f(C.y),e},i.octDecodeInRange=function(t,e,o,a){if(a.x=r.CesiumMath.fromSNorm(t,o),a.y=r.CesiumMath.fromSNorm(e,o),a.z=1-(Math.abs(a.x)+Math.abs(a.y)),a.z<0){const t=a.x;a.x=(1-Math.abs(a.y))*r.CesiumMath.signNotZero(t),a.y=(1-Math.abs(t))*r.CesiumMath.signNotZero(a.y)}return n.Cartesian3.normalize(a,a)},i.octDecode=function(t,e,n){return i.octDecodeInRange(t,e,255,n)},i.octDecodeFromCartesian4=function(t,e){const n=256*t.x+t.y,o=256*t.z+t.w;return i.octDecodeInRange(n,o,65535,e)},i.octPackFloat=function(t){return 256*t.x+t.y};const m=new e.Cartesian2;function y(t){return t>>1^-(1&t)}i.octEncodeFloat=function(t){return i.octEncode(t,m),i.octPackFloat(m)},i.octDecodeFloat=function(t,e){const n=t/256,o=Math.floor(n),a=256*(n-o);return i.octDecode(o,a,e)},i.octPack=function(t,e,n,o){const a=i.octEncodeFloat(t),r=i.octEncodeFloat(e),c=i.octEncode(n,m);return o.x=65536*c.x+a,o.y=65536*c.y+r,o},i.octUnpack=function(t,e,n,o){let a=t.x/65536;const r=Math.floor(a),c=65536*(a-r);a=t.y/65536;const s=Math.floor(a),u=65536*(a-s);i.octDecodeFloat(c,e),i.octDecodeFloat(u,n),i.octDecode(r,s,o)},i.compressTextureCoordinates=function(t){return 4096*(4095*t.x|0)+(4095*t.y|0)},i.decompressTextureCoordinates=function(t,e){const n=t/4096,o=Math.floor(n);return e.x=o/4095,e.y=(t-4096*o)/4095,e},i.zigZagDeltaDecode=function(t,e,n){const o=t.length;let r=0,c=0,s=0;for(let u=0;u<o;++u)r+=y(t[u]),c+=y(e[u]),t[u]=r,e[u]=c,a.defined(n)&&(s+=y(n[u]),n[u]=s)},i.dequantize=function(t,e,n,a){const r=s.getNumberOfComponents(n);let c;switch(e){case o.ComponentDatatype.BYTE:c=127;break;case o.ComponentDatatype.UNSIGNED_BYTE:c=255;break;case o.ComponentDatatype.SHORT:c=32767;break;case o.ComponentDatatype.UNSIGNED_SHORT:c=65535;break;case o.ComponentDatatype.INT:c=2147483647;break;case o.ComponentDatatype.UNSIGNED_INT:c=4294967295}const u=new Float32Array(a*r);for(let e=0;e<a;e++)for(let n=0;n<r;n++){const o=e*r+n;u[o]=Math.max(t[o]/c,-1)}return u},i.decodeRGB565=function(t,e){const n=t.length;a.defined(e)||(e=new Float32Array(3*n));const o=1/31;for(let a=0;a<n;a++){const n=t[a],r=n>>11,c=n>>5&63,s=31&n,u=3*a;e[u]=r*o,e[u+1]=.015873015873015872*c,e[u+2]=s*o}return e};var A=i;t.AttributeCompression=A}));
|