29 lines
51 KiB
JavaScript
29 lines
51 KiB
JavaScript
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/*!
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@fileoverview gl-matrix - High performance matrix and vector operations
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@author Brandon Jones
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@author Colin MacKenzie IV
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@version 3.3.0
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Copyright (c) 2015-2020, Brandon Jones, Colin MacKenzie IV.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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!function(t,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define(["exports"],n):n((t="undefined"!=typeof globalThis?globalThis:t||self).glMatrix={})}(this,(function(t){"use strict";var n=1e-6,a="undefined"!=typeof Float32Array?Float32Array:Array,r=Math.random;var u=Math.PI/180;Math.hypot||(Math.hypot=function(){for(var t=0,n=arguments.length;n--;)t+=arguments[n]*arguments[n];return Math.sqrt(t)});var e=Object.freeze({__proto__:null,EPSILON:n,get ARRAY_TYPE(){return a},RANDOM:r,setMatrixArrayType:function(t){a=t},toRadian:function(t){return t*u},equals:function(t,a){return Math.abs(t-a)<=n*Math.max(1,Math.abs(t),Math.abs(a))}});function o(t,n,a){var r=n[0],u=n[1],e=n[2],o=n[3],i=a[0],h=a[1],c=a[2],s=a[3];return t[0]=r*i+e*h,t[1]=u*i+o*h,t[2]=r*c+e*s,t[3]=u*c+o*s,t}function i(t,n,a){return t[0]=n[0]-a[0],t[1]=n[1]-a[1],t[2]=n[2]-a[2],t[3]=n[3]-a[3],t}var h=o,c=i,s=Object.freeze({__proto__:null,create:function(){var t=new a(4);return a!=Float32Array&&(t[1]=0,t[2]=0),t[0]=1,t[3]=1,t},clone:function(t){var n=new a(4);return n[0]=t[0],n[1]=t[1],n[2]=t[2],n[3]=t[3],n},copy:function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t},identity:function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t},fromValues:function(t,n,r,u){var e=new a(4);return e[0]=t,e[1]=n,e[2]=r,e[3]=u,e},set:function(t,n,a,r,u){return t[0]=n,t[1]=a,t[2]=r,t[3]=u,t},transpose:function(t,n){if(t===n){var a=n[1];t[1]=n[2],t[2]=a}else t[0]=n[0],t[1]=n[2],t[2]=n[1],t[3]=n[3];return t},invert:function(t,n){var a=n[0],r=n[1],u=n[2],e=n[3],o=a*e-u*r;return o?(o=1/o,t[0]=e*o,t[1]=-r*o,t[2]=-u*o,t[3]=a*o,t):null},adjoint:function(t,n){var a=n[0];return t[0]=n[3],t[1]=-n[1],t[2]=-n[2],t[3]=a,t},determinant:function(t){return t[0]*t[3]-t[2]*t[1]},multiply:o,rotate:function(t,n,a){var r=n[0],u=n[1],e=n[2],o=n[3],i=Math.sin(a),h=Math.cos(a);return t[0]=r*h+e*i,t[1]=u*h+o*i,t[2]=r*-i+e*h,t[3]=u*-i+o*h,t},scale:function(t,n,a){var r=n[0],u=n[1],e=n[2],o=n[3],i=a[0],h=a[1];return t[0]=r*i,t[1]=u*i,t[2]=e*h,t[3]=o*h,t},fromRotation:function(t,n){var a=Math.sin(n),r=Math.cos(n);return t[0]=r,t[1]=a,t[2]=-a,t[3]=r,t},fromScaling:function(t,n){return t[0]=n[0],t[1]=0,t[2]=0,t[3]=n[1],t},str:function(t){return"mat2("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+")"},frob:function(t){return Math.hypot(t[0],t[1],t[2],t[3])},LDU:function(t,n,a,r){return t[2]=r[2]/r[0],a[0]=r[0],a[1]=r[1],a[3]=r[3]-t[2]*a[1],[t,n,a]},add:function(t,n,a){return t[0]=n[0]+a[0],t[1]=n[1]+a[1],t[2]=n[2]+a[2],t[3]=n[3]+a[3],t},subtract:i,exactEquals:function(t,n){return t[0]===n[0]&&t[1]===n[1]&&t[2]===n[2]&&t[3]===n[3]},equals:function(t,a){var r=t[0],u=t[1],e=t[2],o=t[3],i=a[0],h=a[1],c=a[2],s=a[3];return Math.abs(r-i)<=n*Math.max(1,Math.abs(r),Math.abs(i))&&Math.abs(u-h)<=n*Math.max(1,Math.abs(u),Math.abs(h))&&Math.abs(e-c)<=n*Math.max(1,Math.abs(e),Math.abs(c))&&Math.abs(o-s)<=n*Math.max(1,Math.abs(o),Math.abs(s))},multiplyScalar:function(t,n,a){return t[0]=n[0]*a,t[1]=n[1]*a,t[2]=n[2]*a,t[3]=n[3]*a,t},multiplyScalarAndAdd:function(t,n,a,r){return t[0]=n[0]+a[0]*r,t[1]=n[1]+a[1]*r,t[2]=n[2]+a[2]*r,t[3]=n[3]+a[3]*r,t},mul:h,sub:c});function M(t,n,a){var r=n[0],u=n[1],e=n[2],o=n[3],i=n[4],h=n[5],c=a[0],s=a[1],M=a[2],f=a[3],l=a[4],v=a[5];return t[0]=r*c+e*s,t[1]=u*c+o*s,t[2]=r*M+e*f,t[3]=u*M+o*f,t[4]=r*l+e*v+i,t[5]=u*l+o*v+h,t}function f(t,n,a){return t[0]=n[0]-a[0],t[1]=n[1]-a[1],t[2]=n[2]-a[2],t[3]=n[3]-a[3],t[4]=n[4]-a[4],t[5]=n[5]-a[5],t}var l=M,v=f,b=Object.freeze({__proto__:null,create:function(){var t=new a(6);return a!=Float32Array&&(t[1]=0,t[2]=0,t[4]=0,t[5]=0),t[0]=1,t[3]=1,t},clone:function(t){var n=new a(6);return n[0]=t[0],n[1]=t[1],n[2]=t[2],n[3]=t[3],n[4]=t[4],n[5]=t[5],n},copy:function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t},identity:function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t[4]=0,t[5]=0,t},fromValues:function(t,n,r,u,e,o){var i=new a(6);return i[0]=t,i[1]=n,i[2]=r,i[3]=u,i[4]=e,i[5]=o,i},set:function(t,n,a,r,u,e,o){return t[0]=n,t[1]=a,t[2]=r,t[3]=u,t[4]=e,t[5]=o,t},invert:function(t,n){var a=n[0],
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