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authorJon Santmyer <jon@jonsantmyer.com>2021-04-25 02:46:43 +0000
committerJon Santmyer <jon@jonsantmyer.com>2021-04-25 02:46:43 +0000
commit9acfb6bfffc31e39dfb273f870a2235e5968ffc9 (patch)
tree150d4426c9a059c7224b5d73ea57cce54fee28fe
parenta5f4d66313bb1a455bbc344a671dd16d315a0fdc (diff)
downloadwebsite-9acfb6bfffc31e39dfb273f870a2235e5968ffc9.tar.gz
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website-9acfb6bfffc31e39dfb273f870a2235e5968ffc9.zip
add 2D rendering to blockgame
Diffstat
-rw-r--r--blockgame/camera.js42
-rw-r--r--blockgame/index.html2
-rw-r--r--blockgame/main.js90
-rw-r--r--blockgame/mesh.js24
-rw-r--r--blockgame/shaders.js40
-rw-r--r--blockgame/webgl-min.js28
6 files changed, 210 insertions, 16 deletions
diff --git a/blockgame/camera.js b/blockgame/camera.js
new file mode 100644
index 0000000..f696441
--- /dev/null
+++ b/blockgame/camera.js
@@ -0,0 +1,42 @@
+export class Camera {
+ constructor(gl) {
+ const fieldOfView = 45 * Math.PI / 180; // in radians
+ const aspect = gl.canvas.clientWidth / gl.canvas.clientHeight;
+ const zNear = 0.1;
+ const zFar = 100.0;
+ const projectionMatrix = mat4.create();
+
+ // note: glmatrix.js always has the first argument
+ // as the destination to receive the result.
+ mat4.perspective(projectionMatrix,
+ fieldOfView,
+ aspect,
+ zNear,
+ zFar);
+
+ // Set the drawing position to the "identity" point, which is
+ // the center of the scene.
+ const modelViewMatrix = mat4.create();
+
+ // Now move the drawing position a bit to where we want to
+ // start drawing the square.
+
+ mat4.translate(modelViewMatrix, // destination matrix
+ modelViewMatrix, // matrix to translate
+ [-0.0, 0.0, -6.0]); // amount to translate
+
+ this.mvmatrix = modelViewMatrix;
+ this.pmatrix = projectionMatrix;
+ }
+
+ use(gl, shader) {
+ gl.uniformMatrix4fv(
+ shader.uniforms.projectionMatrix,
+ false,
+ this.pmatrix);
+ gl.uniformMatrix4fv(
+ shader.uniforms.modelViewMatrix,
+ false,
+ this.mvmatrix);
+ }
+}
diff --git a/blockgame/index.html b/blockgame/index.html
index a882e14..96dc561 100644
--- a/blockgame/index.html
+++ b/blockgame/index.html
@@ -4,6 +4,8 @@
<head>
<title>WebGL Block Game</title>
<link rel="stylesheet" href="/style.css">
+
+ <script src="webgl-min.js"></script>
</head>
<body>
<center>
diff --git a/blockgame/main.js b/blockgame/main.js
index d7bf3ea..d797889 100644
--- a/blockgame/main.js
+++ b/blockgame/main.js
@@ -1,4 +1,20 @@
-import * as shaders from "./shaders.js"
+import * as _shaders from "./shaders.js"
+import * as _mesh from "./mesh.js"
+import * as _camera from "./camera.js"
+
+/*function drawScene(gl, shader, camera, mesh) {
+ gl.clearColor(0.0, 0.0, 0.0, 1.0);
+ gl.clearDepth(1.0);
+ gl.enable(gl.DEPTH_TEST);
+ gl.depthFunc(gl.LEQUAL);
+
+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+
+ gl.useProgram(shader.program);
+ camera.use(gl, shader);
+
+ gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
+}
function main() {
const canvas = document.querySelector("#glCanvas");
@@ -9,10 +25,74 @@ function main() {
return;
}
- const shaderProgram = shaders.init(gl);
+ const shader = _shaders.init(gl);
+ const mesh = new _mesh.Mesh(gl, 2);
+ const camera = new _camera.Camera(gl, 45, 0.1, 1000.0);
+ camera.setpos(vec3.create(0, 0, -6.0));
+
+ mesh.add_positions(gl,
+ [-1.0, 1.0,
+ 1.0, 1.0,
+ -1.0, -1.0,
+ 1.0, -1.0]);
+ mesh.addattrib(gl, shader, mesh.posbuffer, 2, gl.FLOAT, false, 0, 0);
+
+ drawScene(gl, shader, camera, mesh);
+
+ console.log(mesh);
+ console.log(camera);
+ console.log(shader);
+}*/
+
+main();
+
+//
+// Start here
+//
+function main() {
+ const canvas = document.querySelector('#glCanvas');
+ const gl = canvas.getContext('webgl');
- gl.clearColor(0.0, 0.0, 0.0, 1.0);
- gl.clear(gl.COLOR_BUFFER_BIT);
+ // If we don't have a GL context, give up now
+
+ if (!gl) {
+ alert('Unable to initialize WebGL. Your browser or machine may not support it.');
+ return;
+ }
+
+ // Vertex shader program
+ const shader = _shaders.init(gl);
+ const mesh = new _mesh.Mesh(gl, 2);
+ const camera = new _camera.Camera(gl);
+
+ const positions = [
+ 1.0, 1.0,
+ -1.0, 1.0,
+ 1.0, -1.0,
+ -1.0, -1.0,
+ ];
+ mesh.add_positions(gl, positions);
+
+ drawScene(gl, shader, camera, mesh);
+}
+
+function drawScene(gl, shader, camera, mesh) {
+ gl.clearColor(0.0, 0.0, 0.0, 1.0); // Clear to black, fully opaque
+ gl.clearDepth(1.0); // Clear everything
+ gl.enable(gl.DEPTH_TEST); // Enable depth testing
+ gl.depthFunc(gl.LEQUAL); // Near things obscure far things
+
+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+ mesh.addattrib(gl, shader, mesh.posbuffer, 2, gl.FLOAT, false, 0, 0);
+
+ gl.useProgram(shader.program);
+ camera.use(gl, shader);
+
+ {
+ const offset = 0;
+ const vertexCount = 4;
+ gl.drawArrays(gl.TRIANGLE_STRIP, offset, vertexCount);
+ }
}
-window.onload = main;
+//window.onload = main;
diff --git a/blockgame/mesh.js b/blockgame/mesh.js
new file mode 100644
index 0000000..0e39fd0
--- /dev/null
+++ b/blockgame/mesh.js
@@ -0,0 +1,24 @@
+
+export class Mesh {
+ constructor(gl, dims) {
+ this.posbuffer = gl.createBuffer();
+ this.dimensions = dims;
+ }
+
+ add_positions(gl, positions) {
+ gl.bindBuffer(gl.ARRAY_BUFFER, this.posbuffer);
+ gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
+ }
+
+ addattrib(gl, shader, buffer, components, type, normalized, stride, offset) {
+ gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
+ gl.vertexAttribPointer(
+ shader.attribs.position,
+ components,
+ type,
+ normalized,
+ stride,
+ offset);
+ gl.enableVertexAttribArray(shader.attribs.position);
+ }
+}
diff --git a/blockgame/shaders.js b/blockgame/shaders.js
index f89270a..6a6e9af 100644
--- a/blockgame/shaders.js
+++ b/blockgame/shaders.js
@@ -1,25 +1,43 @@
+
const vs_src = `
- attribute vec4 position;
+ attribute vec4 aVertexPosition;
- uniform mat4 mv_matrix;
- uniform mat4 projection_matrix;
+ uniform mat4 uModelViewMatrix;
+ uniform mat4 uProjectionMatrix;
- void main() {
- gl_Position = projection_matrix * mv_matrix * position;
- }
+ void main() {
+ gl_Position = uProjectionMatrix * uModelViewMatrix * aVertexPosition;
+ }
`;
+// Fragment shader program
+
const fs_src = `
- void main() {
- gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
- }
+ void main() {
+ gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
+ }
`;
+export class ShaderInfo {
+ constructor(gl, program) {
+ this.program = program;
+
+ this.attribs = {
+ position: gl.getAttribLocation(program, 'aVertexPosition')
+ };
+
+ this.uniforms = {
+ projectionMatrix: gl.getUniformLocation(program, 'uProjectionMatrix'),
+ modelViewMatrix: gl.getUniformLocation(program, 'uModelViewMatrix')
+ };
+ }
+}
+
export function init(gl) {
const vshader = loadShader(gl, gl.VERTEX_SHADER, vs_src);
const fshader = loadShader(gl, gl.FRAGMENT_SHADER, fs_src);
- const program = gl.createProgram();
+ let program = gl.createProgram();
gl.attachShader(program, vshader);
gl.attachShader(program, fshader);
@@ -30,7 +48,7 @@ export function init(gl) {
return null;
}
- return program;
+ return new ShaderInfo(gl, program);
}
export function loadShader(gl, type, src){
diff --git a/blockgame/webgl-min.js b/blockgame/webgl-min.js
new file mode 100644
index 0000000..b52c082
--- /dev/null
+++ b/blockgame/webgl-min.js
@@ -0,0 +1,28 @@
+/*!
+@fileoverview gl-matrix - High performance matrix and vector operations
+@author Brandon Jones
+@author Colin MacKenzie IV
+@version 2.7.0
+
+Copyright (c) 2015-2018, Brandon Jones, Colin MacKenzie IV.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+*/
+!function(t,n){if("object"==typeof exports&&"object"==typeof module)module.exports=n();else if("function"==typeof define&&define.amd)define([],n);else{var r=n();for(var a in r)("object"==typeof exports?exports:t)[a]=r[a]}}("undefined"!=typeof self?self:this,function(){return function(t){var n={};function r(a){if(n[a])return n[a].exports;var e=n[a]={i:a,l:!1,exports:{}};return t[a].call(e.exports,e,e.exports,r),e.l=!0,e.exports}return r.m=t,r.c=n,r.d=function(t,n,a){r.o(t,n)||Object.defineProperty(t,n,{enumerable:!0,get:a})},r.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},r.t=function(t,n){if(1&n&&(t=r(t)),8&n)return t;if(4&n&&"object"==typeof t&&t&&t.__esModule)return t;var a=Object.create(null);if(r.r(a),Object.defineProperty(a,"default",{enumerable:!0,value:t}),2&n&&"string"!=typeof t)for(var e in t)r.d(a,e,function(n){return t[n]}.bind(null,e));return 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t[0]=n,t[1]=r,t[2]=a,t[3]=e,t[4]=u,t[5]=o,t[6]=i,t[7]=s,t[8]=c,t[9]=f,t[10]=M,t[11]=h,t[12]=l,t[13]=v,t[14]=d,t[15]=b,t},n.identity=e,n.transpose=function(t,n){if(t===n){var r=n[1],a=n[2],e=n[3],u=n[6],o=n[7],i=n[11];t[1]=n[4],t[2]=n[8],t[3]=n[12],t[4]=r,t[6]=n[9],t[7]=n[13],t[8]=a,t[9]=u,t[11]=n[14],t[12]=e,t[13]=o,t[14]=i}else t[0]=n[0],t[1]=n[4],t[2]=n[8],t[3]=n[12],t[4]=n[1],t[5]=n[5],t[6]=n[9],t[7]=n[13],t[8]=n[2],t[9]=n[6],t[10]=n[10],t[11]=n[14],t[12]=n[3],t[13]=n[7],t[14]=n[11],t[15]=n[15];return t},n.invert=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8],M=n[9],h=n[10],l=n[11],v=n[12],d=n[13],b=n[14],m=n[15],p=r*i-a*o,P=r*s-e*o,A=r*c-u*o,E=a*s-e*i,O=a*c-u*i,R=e*c-u*s,y=f*d-M*v,q=f*b-h*v,x=f*m-l*v,_=M*b-h*d,Y=M*m-l*d,L=h*m-l*b,S=p*L-P*Y+A*_+E*x-O*q+R*y;if(!S)return null;return S=1/S,t[0]=(i*L-s*Y+c*_)*S,t[1]=(e*Y-a*L-u*_)*S,t[2]=(d*R-b*O+m*E)*S,t[3]=(h*O-M*R-l*E)*S,t[4]=(s*x-o*L-c*q)*S,t[5]=(r*L-e*x+u*q)*S,t[6]=(b*A-v*R-m*P)*S,t[7]=(f*R-h*A+l*P)*S,t[8]=(o*Y-i*x+c*y)*S,t[9]=(a*x-r*Y-u*y)*S,t[10]=(v*O-d*A+m*p)*S,t[11]=(M*A-f*O-l*p)*S,t[12]=(i*q-o*_-s*y)*S,t[13]=(r*_-a*q+e*y)*S,t[14]=(d*P-v*E-b*p)*S,t[15]=(f*E-M*P+h*p)*S,t},n.adjoint=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8],M=n[9],h=n[10],l=n[11],v=n[12],d=n[13],b=n[14],m=n[15];return t[0]=i*(h*m-l*b)-M*(s*m-c*b)+d*(s*l-c*h),t[1]=-(a*(h*m-l*b)-M*(e*m-u*b)+d*(e*l-u*h)),t[2]=a*(s*m-c*b)-i*(e*m-u*b)+d*(e*c-u*s),t[3]=-(a*(s*l-c*h)-i*(e*l-u*h)+M*(e*c-u*s)),t[4]=-(o*(h*m-l*b)-f*(s*m-c*b)+v*(s*l-c*h)),t[5]=r*(h*m-l*b)-f*(e*m-u*b)+v*(e*l-u*h),t[6]=-(r*(s*m-c*b)-o*(e*m-u*b)+v*(e*c-u*s)),t[7]=r*(s*l-c*h)-o*(e*l-u*h)+f*(e*c-u*s),t[8]=o*(M*m-l*d)-f*(i*m-c*d)+v*(i*l-c*M),t[9]=-(r*(M*m-l*d)-f*(a*m-u*d)+v*(a*l-u*M)),t[10]=r*(i*m-c*d)-o*(a*m-u*d)+v*(a*c-u*i),t[11]=-(r*(i*l-c*M)-o*(a*l-u*M)+f*(a*c-u*i)),t[12]=-(o*(M*b-h*d)-f*(i*b-s*d)+v*(i*h-s*M)),t[13]=r*(M*b-h*d)-f*(a*b-e*d)+v*(a*h-e*M),t[14]=-(r*(i*b-s*d)-o*(a*b-e*d)+v*(a*s-e*i)),t[15]=r*(i*h-s*M)-o*(a*h-e*M)+f*(a*s-e*i),t},n.determinant=function(t){var n=t[0],r=t[1],a=t[2],e=t[3],u=t[4],o=t[5],i=t[6],s=t[7],c=t[8],f=t[9],M=t[10],h=t[11],l=t[12],v=t[13],d=t[14],b=t[15];return(n*o-r*u)*(M*b-h*d)-(n*i-a*u)*(f*b-h*v)+(n*s-e*u)*(f*d-M*v)+(r*i-a*o)*(c*b-h*l)-(r*s-e*o)*(c*d-M*l)+(a*s-e*i)*(c*v-f*l)},n.multiply=u,n.translate=function(t,n,r){var a=r[0],e=r[1],u=r[2],o=void 0,i=void 0,s=void 0,c=void 0,f=void 0,M=void 0,h=void 0,l=void 0,v=void 0,d=void 0,b=void 0,m=void 0;n===t?(t[12]=n[0]*a+n[4]*e+n[8]*u+n[12],t[13]=n[1]*a+n[5]*e+n[9]*u+n[13],t[14]=n[2]*a+n[6]*e+n[10]*u+n[14],t[15]=n[3]*a+n[7]*e+n[11]*u+n[15]):(o=n[0],i=n[1],s=n[2],c=n[3],f=n[4],M=n[5],h=n[6],l=n[7],v=n[8],d=n[9],b=n[10],m=n[11],t[0]=o,t[1]=i,t[2]=s,t[3]=c,t[4]=f,t[5]=M,t[6]=h,t[7]=l,t[8]=v,t[9]=d,t[10]=b,t[11]=m,t[12]=o*a+f*e+v*u+n[12],t[13]=i*a+M*e+d*u+n[13],t[14]=s*a+h*e+b*u+n[14],t[15]=c*a+l*e+m*u+n[15]);return t},n.scale=function(t,n,r){var a=r[0],e=r[1],u=r[2];return t[0]=n[0]*a,t[1]=n[1]*a,t[2]=n[2]*a,t[3]=n[3]*a,t[4]=n[4]*e,t[5]=n[5]*e,t[6]=n[6]*e,t[7]=n[7]*e,t[8]=n[8]*u,t[9]=n[9]*u,t[10]=n[10]*u,t[11]=n[11]*u,t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],t},n.rotate=function(t,n,r,e){var u=e[0],o=e[1],i=e[2],s=Math.sqrt(u*u+o*o+i*i),c=void 0,f=void 0,M=void 0,h=void 0,l=void 0,v=void 0,d=void 0,b=void 0,m=void 0,p=void 0,P=void 0,A=void 0,E=void 0,O=void 0,R=void 0,y=void 0,q=void 0,x=void 0,_=void 0,Y=void 0,L=void 0,S=void 0,w=void 0,I=void 0;if(s<a.EPSILON)return null;u*=s=1/s,o*=s,i*=s,c=Math.sin(r),f=Math.cos(r),M=1-f,h=n[0],l=n[1],v=n[2],d=n[3],b=n[4],m=n[5],p=n[6],P=n[7],A=n[8],E=n[9],O=n[10],R=n[11],y=u*u*M+f,q=o*u*M+i*c,x=i*u*M-o*c,_=u*o*M-i*c,Y=o*o*M+f,L=i*o*M+u*c,S=u*i*M+o*c,w=o*i*M-u*c,I=i*i*M+f,t[0]=h*y+b*q+A*x,t[1]=l*y+m*q+E*x,t[2]=v*y+p*q+O*x,t[3]=d*y+P*q+R*x,t[4]=h*_+b*Y+A*L,t[5]=l*_+m*Y+E*L,t[6]=v*_+p*Y+O*L,t[7]=d*_+P*Y+R*L,t[8]=h*S+b*w+A*I,t[9]=l*S+m*w+E*I,t[10]=v*S+p*w+O*I,t[11]=d*S+P*w+R*I,n!==t&&(t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t},n.rotateX=function(t,n,r){var a=Math.sin(r),e=Math.cos(r),u=n[4],o=n[5],i=n[6],s=n[7],c=n[8],f=n[9],M=n[10],h=n[11];n!==t&&(t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t[4]=u*e+c*a,t[5]=o*e+f*a,t[6]=i*e+M*a,t[7]=s*e+h*a,t[8]=c*e-u*a,t[9]=f*e-o*a,t[10]=M*e-i*a,t[11]=h*e-s*a,t},n.rotateY=function(t,n,r){var a=Math.sin(r),e=Math.cos(r),u=n[0],o=n[1],i=n[2],s=n[3],c=n[8],f=n[9],M=n[10],h=n[11];n!==t&&(t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t[0]=u*e-c*a,t[1]=o*e-f*a,t[2]=i*e-M*a,t[3]=s*e-h*a,t[8]=u*a+c*e,t[9]=o*a+f*e,t[10]=i*a+M*e,t[11]=s*a+h*e,t},n.rotateZ=function(t,n,r){var a=Math.sin(r),e=Math.cos(r),u=n[0],o=n[1],i=n[2],s=n[3],c=n[4],f=n[5],M=n[6],h=n[7];n!==t&&(t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t[0]=u*e+c*a,t[1]=o*e+f*a,t[2]=i*e+M*a,t[3]=s*e+h*a,t[4]=c*e-u*a,t[5]=f*e-o*a,t[6]=M*e-i*a,t[7]=h*e-s*a,t},n.fromTranslation=function(t,n){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=n[0],t[13]=n[1],t[14]=n[2],t[15]=1,t},n.fromScaling=function(t,n){return t[0]=n[0],t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n[1],t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=n[2],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},n.fromRotation=function(t,n,r){var e=r[0],u=r[1],o=r[2],i=Math.sqrt(e*e+u*u+o*o),s=void 0,c=void 0,f=void 0;if(i<a.EPSILON)return null;return e*=i=1/i,u*=i,o*=i,s=Math.sin(n),c=Math.cos(n),f=1-c,t[0]=e*e*f+c,t[1]=u*e*f+o*s,t[2]=o*e*f-u*s,t[3]=0,t[4]=e*u*f-o*s,t[5]=u*u*f+c,t[6]=o*u*f+e*s,t[7]=0,t[8]=e*o*f+u*s,t[9]=u*o*f-e*s,t[10]=o*o*f+c,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},n.fromXRotation=function(t,n){var r=Math.sin(n),a=Math.cos(n);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=a,t[6]=r,t[7]=0,t[8]=0,t[9]=-r,t[10]=a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},n.fromYRotation=function(t,n){var r=Math.sin(n),a=Math.cos(n);return t[0]=a,t[1]=0,t[2]=-r,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=r,t[9]=0,t[10]=a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},n.fromZRotation=function(t,n){var r=Math.sin(n),a=Math.cos(n);return t[0]=a,t[1]=r,t[2]=0,t[3]=0,t[4]=-r,t[5]=a,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},n.fromRotationTranslation=o,n.fromQuat2=function(t,n){var r=new a.ARRAY_TYPE(3),e=-n[0],u=-n[1],i=-n[2],s=n[3],c=n[4],f=n[5],M=n[6],h=n[7],l=e*e+u*u+i*i+s*s;l>0?(r[0]=2*(c*s+h*e+f*i-M*u)/l,r[1]=2*(f*s+h*u+M*e-c*i)/l,r[2]=2*(M*s+h*i+c*u-f*e)/l):(r[0]=2*(c*s+h*e+f*i-M*u),r[1]=2*(f*s+h*u+M*e-c*i),r[2]=2*(M*s+h*i+c*u-f*e));return o(t,n,r),t},n.getTranslation=function(t,n){return t[0]=n[12],t[1]=n[13],t[2]=n[14],t},n.getScaling=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[4],o=n[5],i=n[6],s=n[8],c=n[9],f=n[10];return t[0]=Math.sqrt(r*r+a*a+e*e),t[1]=Math.sqrt(u*u+o*o+i*i),t[2]=Math.sqrt(s*s+c*c+f*f),t},n.getRotation=function(t,n){var r=n[0]+n[5]+n[10],a=0;r>0?(a=2*Math.sqrt(r+1),t[3]=.25*a,t[0]=(n[6]-n[9])/a,t[1]=(n[8]-n[2])/a,t[2]=(n[1]-n[4])/a):n[0]>n[5]&&n[0]>n[10]?(a=2*Math.sqrt(1+n[0]-n[5]-n[10]),t[3]=(n[6]-n[9])/a,t[0]=.25*a,t[1]=(n[1]+n[4])/a,t[2]=(n[8]+n[2])/a):n[5]>n[10]?(a=2*Math.sqrt(1+n[5]-n[0]-n[10]),t[3]=(n[8]-n[2])/a,t[0]=(n[1]+n[4])/a,t[1]=.25*a,t[2]=(n[6]+n[9])/a):(a=2*Math.sqrt(1+n[10]-n[0]-n[5]),t[3]=(n[1]-n[4])/a,t[0]=(n[8]+n[2])/a,t[1]=(n[6]+n[9])/a,t[2]=.25*a);return t},n.fromRotationTranslationScale=function(t,n,r,a){var e=n[0],u=n[1],o=n[2],i=n[3],s=e+e,c=u+u,f=o+o,M=e*s,h=e*c,l=e*f,v=u*c,d=u*f,b=o*f,m=i*s,p=i*c,P=i*f,A=a[0],E=a[1],O=a[2];return t[0]=(1-(v+b))*A,t[1]=(h+P)*A,t[2]=(l-p)*A,t[3]=0,t[4]=(h-P)*E,t[5]=(1-(M+b))*E,t[6]=(d+m)*E,t[7]=0,t[8]=(l+p)*O,t[9]=(d-m)*O,t[10]=(1-(M+v))*O,t[11]=0,t[12]=r[0],t[13]=r[1],t[14]=r[2],t[15]=1,t},n.fromRotationTranslationScaleOrigin=function(t,n,r,a,e){var u=n[0],o=n[1],i=n[2],s=n[3],c=u+u,f=o+o,M=i+i,h=u*c,l=u*f,v=u*M,d=o*f,b=o*M,m=i*M,p=s*c,P=s*f,A=s*M,E=a[0],O=a[1],R=a[2],y=e[0],q=e[1],x=e[2],_=(1-(d+m))*E,Y=(l+A)*E,L=(v-P)*E,S=(l-A)*O,w=(1-(h+m))*O,I=(b+p)*O,N=(v+P)*R,g=(b-p)*R,T=(1-(h+d))*R;return t[0]=_,t[1]=Y,t[2]=L,t[3]=0,t[4]=S,t[5]=w,t[6]=I,t[7]=0,t[8]=N,t[9]=g,t[10]=T,t[11]=0,t[12]=r[0]+y-(_*y+S*q+N*x),t[13]=r[1]+q-(Y*y+w*q+g*x),t[14]=r[2]+x-(L*y+I*q+T*x),t[15]=1,t},n.fromQuat=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=r+r,i=a+a,s=e+e,c=r*o,f=a*o,M=a*i,h=e*o,l=e*i,v=e*s,d=u*o,b=u*i,m=u*s;return t[0]=1-M-v,t[1]=f+m,t[2]=h-b,t[3]=0,t[4]=f-m,t[5]=1-c-v,t[6]=l+d,t[7]=0,t[8]=h+b,t[9]=l-d,t[10]=1-c-M,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},n.frustum=function(t,n,r,a,e,u,o){var i=1/(r-n),s=1/(e-a),c=1/(u-o);return t[0]=2*u*i,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=2*u*s,t[6]=0,t[7]=0,t[8]=(r+n)*i,t[9]=(e+a)*s,t[10]=(o+u)*c,t[11]=-1,t[12]=0,t[13]=0,t[14]=o*u*2*c,t[15]=0,t},n.perspective=function(t,n,r,a,e){var u=1/Math.tan(n/2),o=void 0;t[0]=u/r,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=u,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=-1,t[12]=0,t[13]=0,t[15]=0,null!=e&&e!==1/0?(o=1/(a-e),t[10]=(e+a)*o,t[14]=2*e*a*o):(t[10]=-1,t[14]=-2*a);return t},n.perspectiveFromFieldOfView=function(t,n,r,a){var e=Math.tan(n.upDegrees*Math.PI/180),u=Math.tan(n.downDegrees*Math.PI/180),o=Math.tan(n.leftDegrees*Math.PI/180),i=Math.tan(n.rightDegrees*Math.PI/180),s=2/(o+i),c=2/(e+u);return t[0]=s,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=c,t[6]=0,t[7]=0,t[8]=-(o-i)*s*.5,t[9]=(e-u)*c*.5,t[10]=a/(r-a),t[11]=-1,t[12]=0,t[13]=0,t[14]=a*r/(r-a),t[15]=0,t},n.ortho=function(t,n,r,a,e,u,o){var i=1/(n-r),s=1/(a-e),c=1/(u-o);return t[0]=-2*i,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*s,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*c,t[11]=0,t[12]=(n+r)*i,t[13]=(e+a)*s,t[14]=(o+u)*c,t[15]=1,t},n.lookAt=function(t,n,r,u){var o=void 0,i=void 0,s=void 0,c=void 0,f=void 0,M=void 0,h=void 0,l=void 0,v=void 0,d=void 0,b=n[0],m=n[1],p=n[2],P=u[0],A=u[1],E=u[2],O=r[0],R=r[1],y=r[2];if(Math.abs(b-O)<a.EPSILON&&Math.abs(m-R)<a.EPSILON&&Math.abs(p-y)<a.EPSILON)return e(t);h=b-O,l=m-R,v=p-y,d=1/Math.sqrt(h*h+l*l+v*v),o=A*(v*=d)-E*(l*=d),i=E*(h*=d)-P*v,s=P*l-A*h,(d=Math.sqrt(o*o+i*i+s*s))?(o*=d=1/d,i*=d,s*=d):(o=0,i=0,s=0);c=l*s-v*i,f=v*o-h*s,M=h*i-l*o,(d=Math.sqrt(c*c+f*f+M*M))?(c*=d=1/d,f*=d,M*=d):(c=0,f=0,M=0);return t[0]=o,t[1]=c,t[2]=h,t[3]=0,t[4]=i,t[5]=f,t[6]=l,t[7]=0,t[8]=s,t[9]=M,t[10]=v,t[11]=0,t[12]=-(o*b+i*m+s*p),t[13]=-(c*b+f*m+M*p),t[14]=-(h*b+l*m+v*p),t[15]=1,t},n.targetTo=function(t,n,r,a){var e=n[0],u=n[1],o=n[2],i=a[0],s=a[1],c=a[2],f=e-r[0],M=u-r[1],h=o-r[2],l=f*f+M*M+h*h;l>0&&(l=1/Math.sqrt(l),f*=l,M*=l,h*=l);var v=s*h-c*M,d=c*f-i*h,b=i*M-s*f;(l=v*v+d*d+b*b)>0&&(l=1/Math.sqrt(l),v*=l,d*=l,b*=l);return t[0]=v,t[1]=d,t[2]=b,t[3]=0,t[4]=M*b-h*d,t[5]=h*v-f*b,t[6]=f*d-M*v,t[7]=0,t[8]=f,t[9]=M,t[10]=h,t[11]=0,t[12]=e,t[13]=u,t[14]=o,t[15]=1,t},n.str=function(t){return"mat4("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+", "+t[9]+", "+t[10]+", "+t[11]+", "+t[12]+", "+t[13]+", "+t[14]+", "+t[15]+")"},n.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+Math.pow(t[6],2)+Math.pow(t[7],2)+Math.pow(t[8],2)+Math.pow(t[9],2)+Math.pow(t[10],2)+Math.pow(t[11],2)+Math.pow(t[12],2)+Math.pow(t[13],2)+Math.pow(t[14],2)+Math.pow(t[15],2))},n.add=function(t,n,r){return t[0]=n[0]+r[0],t[1]=n[1]+r[1],t[2]=n[2]+r[2],t[3]=n[3]+r[3],t[4]=n[4]+r[4],t[5]=n[5]+r[5],t[6]=n[6]+r[6],t[7]=n[7]+r[7],t[8]=n[8]+r[8],t[9]=n[9]+r[9],t[10]=n[10]+r[10],t[11]=n[11]+r[11],t[12]=n[12]+r[12],t[13]=n[13]+r[13],t[14]=n[14]+r[14],t[15]=n[15]+r[15],t},n.subtract=i,n.multiplyScalar=function(t,n,r){return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=n[3]*r,t[4]=n[4]*r,t[5]=n[5]*r,t[6]=n[6]*r,t[7]=n[7]*r,t[8]=n[8]*r,t[9]=n[9]*r,t[10]=n[10]*r,t[11]=n[11]*r,t[12]=n[12]*r,t[13]=n[13]*r,t[14]=n[14]*r,t[15]=n[15]*r,t},n.multiplyScalarAndAdd=function(t,n,r,a){return t[0]=n[0]+r[0]*a,t[1]=n[1]+r[1]*a,t[2]=n[2]+r[2]*a,t[3]=n[3]+r[3]*a,t[4]=n[4]+r[4]*a,t[5]=n[5]+r[5]*a,t[6]=n[6]+r[6]*a,t[7]=n[7]+r[7]*a,t[8]=n[8]+r[8]*a,t[9]=n[9]+r[9]*a,t[10]=n[10]+r[10]*a,t[11]=n[11]+r[11]*a,t[12]=n[12]+r[12]*a,t[13]=n[13]+r[13]*a,t[14]=n[14]+r[14]*a,t[15]=n[15]+r[15]*a,t},n.exactEquals=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[6]===n[6]&&t[7]===n[7]&&t[8]===n[8]&&t[9]===n[9]&&t[10]===n[10]&&t[11]===n[11]&&t[12]===n[12]&&t[13]===n[13]&&t[14]===n[14]&&t[15]===n[15]},n.equals=function(t,n){var r=t[0],e=t[1],u=t[2],o=t[3],i=t[4],s=t[5],c=t[6],f=t[7],M=t[8],h=t[9],l=t[10],v=t[11],d=t[12],b=t[13],m=t[14],p=t[15],P=n[0],A=n[1],E=n[2],O=n[3],R=n[4],y=n[5],q=n[6],x=n[7],_=n[8],Y=n[9],L=n[10],S=n[11],w=n[12],I=n[13],N=n[14],g=n[15];return Math.abs(r-P)<=a.EPSILON*Math.max(1,Math.abs(r),Math.abs(P))&&Math.abs(e-A)<=a.EPSILON*Math.max(1,Math.abs(e),Math.abs(A))&&Math.abs(u-E)<=a.EPSILON*Math.max(1,Math.abs(u),Math.abs(E))&&Math.abs(o-O)<=a.EPSILON*Math.max(1,Math.abs(o),Math.abs(O))&&Math.abs(i-R)<=a.EPSILON*Math.max(1,Math.abs(i),Math.abs(R))&&Math.abs(s-y)<=a.EPSILON*Math.max(1,Math.abs(s),Math.abs(y))&&Math.abs(c-q)<=a.EPSILON*Math.max(1,Math.abs(c),Math.abs(q))&&Math.abs(f-x)<=a.EPSILON*Math.max(1,Math.abs(f),Math.abs(x))&&Math.abs(M-_)<=a.EPSILON*Math.max(1,Math.abs(M),Math.abs(_))&&Math.abs(h-Y)<=a.EPSILON*Math.max(1,Math.abs(h),Math.abs(Y))&&Math.abs(l-L)<=a.EPSILON*Math.max(1,Math.abs(l),Math.abs(L))&&Math.abs(v-S)<=a.EPSILON*Math.max(1,Math.abs(v),Math.abs(S))&&Math.abs(d-w)<=a.EPSILON*Math.max(1,Math.abs(d),Math.abs(w))&&Math.abs(b-I)<=a.EPSILON*Math.max(1,Math.abs(b),Math.abs(I))&&Math.abs(m-N)<=a.EPSILON*Math.max(1,Math.abs(m),Math.abs(N))&&Math.abs(p-g)<=a.EPSILON*Math.max(1,Math.abs(p),Math.abs(g))};var a=function(t){if(t&&t.__esModule)return t;var n={};if(null!=t)for(var r in t)Object.prototype.hasOwnProperty.call(t,r)&&(n[r]=t[r]);return n.default=t,n}(r(0));function e(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function u(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],s=n[5],c=n[6],f=n[7],M=n[8],h=n[9],l=n[10],v=n[11],d=n[12],b=n[13],m=n[14],p=n[15],P=r[0],A=r[1],E=r[2],O=r[3];return t[0]=P*a+A*i+E*M+O*d,t[1]=P*e+A*s+E*h+O*b,t[2]=P*u+A*c+E*l+O*m,t[3]=P*o+A*f+E*v+O*p,P=r[4],A=r[5],E=r[6],O=r[7],t[4]=P*a+A*i+E*M+O*d,t[5]=P*e+A*s+E*h+O*b,t[6]=P*u+A*c+E*l+O*m,t[7]=P*o+A*f+E*v+O*p,P=r[8],A=r[9],E=r[10],O=r[11],t[8]=P*a+A*i+E*M+O*d,t[9]=P*e+A*s+E*h+O*b,t[10]=P*u+A*c+E*l+O*m,t[11]=P*o+A*f+E*v+O*p,P=r[12],A=r[13],E=r[14],O=r[15],t[12]=P*a+A*i+E*M+O*d,t[13]=P*e+A*s+E*h+O*b,t[14]=P*u+A*c+E*l+O*m,t[15]=P*o+A*f+E*v+O*p,t}function o(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=a+a,s=e+e,c=u+u,f=a*i,M=a*s,h=a*c,l=e*s,v=e*c,d=u*c,b=o*i,m=o*s,p=o*c;return t[0]=1-(l+d),t[1]=M+p,t[2]=h-m,t[3]=0,t[4]=M-p,t[5]=1-(f+d),t[6]=v+b,t[7]=0,t[8]=h+m,t[9]=v-b,t[10]=1-(f+l),t[11]=0,t[12]=r[0],t[13]=r[1],t[14]=r[2],t[15]=1,t}function i(t,n,r){return t[0]=n[0]-r[0],t[1]=n[1]-r[1],t[2]=n[2]-r[2],t[3]=n[3]-r[3],t[4]=n[4]-r[4],t[5]=n[5]-r[5],t[6]=n[6]-r[6],t[7]=n[7]-r[7],t[8]=n[8]-r[8],t[9]=n[9]-r[9],t[10]=n[10]-r[10],t[11]=n[11]-r[11],t[12]=n[12]-r[12],t[13]=n[13]-r[13],t[14]=n[14]-r[14],t[15]=n[15]-r[15],t}n.mul=u,n.sub=i},function(t,n,r){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.sub=n.mul=void 0,n.create=function(){var t=new a.ARRAY_TYPE(9);a.ARRAY_TYPE!=Float32Array&&(t[1]=0,t[2]=0,t[3]=0,t[5]=0,t[6]=0,t[7]=0);return t[0]=1,t[4]=1,t[8]=1,t},n.fromMat4=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[4],t[4]=n[5],t[5]=n[6],t[6]=n[8],t[7]=n[9],t[8]=n[10],t},n.clone=function(t){var n=new a.ARRAY_TYPE(9);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[6]=t[6],n[7]=t[7],n[8]=t[8],n},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[6]=n[6],t[7]=n[7],t[8]=n[8],t},n.fromValues=function(t,n,r,e,u,o,i,s,c){var f=new a.ARRAY_TYPE(9);return f[0]=t,f[1]=n,f[2]=r,f[3]=e,f[4]=u,f[5]=o,f[6]=i,f[7]=s,f[8]=c,f},n.set=function(t,n,r,a,e,u,o,i,s,c){return t[0]=n,t[1]=r,t[2]=a,t[3]=e,t[4]=u,t[5]=o,t[6]=i,t[7]=s,t[8]=c,t},n.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},n.transpose=function(t,n){if(t===n){var r=n[1],a=n[2],e=n[5];t[1]=n[3],t[2]=n[6],t[3]=r,t[5]=n[7],t[6]=a,t[7]=e}else t[0]=n[0],t[1]=n[3],t[2]=n[6],t[3]=n[1],t[4]=n[4],t[5]=n[7],t[6]=n[2],t[7]=n[5],t[8]=n[8];return t},n.invert=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8],M=f*o-i*c,h=-f*u+i*s,l=c*u-o*s,v=r*M+a*h+e*l;if(!v)return null;return v=1/v,t[0]=M*v,t[1]=(-f*a+e*c)*v,t[2]=(i*a-e*o)*v,t[3]=h*v,t[4]=(f*r-e*s)*v,t[5]=(-i*r+e*u)*v,t[6]=l*v,t[7]=(-c*r+a*s)*v,t[8]=(o*r-a*u)*v,t},n.adjoint=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8];return t[0]=o*f-i*c,t[1]=e*c-a*f,t[2]=a*i-e*o,t[3]=i*s-u*f,t[4]=r*f-e*s,t[5]=e*u-r*i,t[6]=u*c-o*s,t[7]=a*s-r*c,t[8]=r*o-a*u,t},n.determinant=function(t){var n=t[0],r=t[1],a=t[2],e=t[3],u=t[4],o=t[5],i=t[6],s=t[7],c=t[8];return n*(c*u-o*s)+r*(-c*e+o*i)+a*(s*e-u*i)},n.multiply=e,n.translate=function(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],s=n[5],c=n[6],f=n[7],M=n[8],h=r[0],l=r[1];return t[0]=a,t[1]=e,t[2]=u,t[3]=o,t[4]=i,t[5]=s,t[6]=h*a+l*o+c,t[7]=h*e+l*i+f,t[8]=h*u+l*s+M,t},n.rotate=function(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],s=n[5],c=n[6],f=n[7],M=n[8],h=Math.sin(r),l=Math.cos(r);return t[0]=l*a+h*o,t[1]=l*e+h*i,t[2]=l*u+h*s,t[3]=l*o-h*a,t[4]=l*i-h*e,t[5]=l*s-h*u,t[6]=c,t[7]=f,t[8]=M,t},n.scale=function(t,n,r){var a=r[0],e=r[1];return t[0]=a*n[0],t[1]=a*n[1],t[2]=a*n[2],t[3]=e*n[3],t[4]=e*n[4],t[5]=e*n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t},n.fromTranslation=function(t,n){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=n[0],t[7]=n[1],t[8]=1,t},n.fromRotation=function(t,n){var r=Math.sin(n),a=Math.cos(n);return t[0]=a,t[1]=r,t[2]=0,t[3]=-r,t[4]=a,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},n.fromScaling=function(t,n){return t[0]=n[0],t[1]=0,t[2]=0,t[3]=0,t[4]=n[1],t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},n.fromMat2d=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=0,t[3]=n[2],t[4]=n[3],t[5]=0,t[6]=n[4],t[7]=n[5],t[8]=1,t},n.fromQuat=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=r+r,i=a+a,s=e+e,c=r*o,f=a*o,M=a*i,h=e*o,l=e*i,v=e*s,d=u*o,b=u*i,m=u*s;return t[0]=1-M-v,t[3]=f-m,t[6]=h+b,t[1]=f+m,t[4]=1-c-v,t[7]=l-d,t[2]=h-b,t[5]=l+d,t[8]=1-c-M,t},n.normalFromMat4=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8],M=n[9],h=n[10],l=n[11],v=n[12],d=n[13],b=n[14],m=n[15],p=r*i-a*o,P=r*s-e*o,A=r*c-u*o,E=a*s-e*i,O=a*c-u*i,R=e*c-u*s,y=f*d-M*v,q=f*b-h*v,x=f*m-l*v,_=M*b-h*d,Y=M*m-l*d,L=h*m-l*b,S=p*L-P*Y+A*_+E*x-O*q+R*y;if(!S)return null;return S=1/S,t[0]=(i*L-s*Y+c*_)*S,t[1]=(s*x-o*L-c*q)*S,t[2]=(o*Y-i*x+c*y)*S,t[3]=(e*Y-a*L-u*_)*S,t[4]=(r*L-e*x+u*q)*S,t[5]=(a*x-r*Y-u*y)*S,t[6]=(d*R-b*O+m*E)*S,t[7]=(b*A-v*R-m*P)*S,t[8]=(v*O-d*A+m*p)*S,t},n.projection=function(t,n,r){return t[0]=2/n,t[1]=0,t[2]=0,t[3]=0,t[4]=-2/r,t[5]=0,t[6]=-1,t[7]=1,t[8]=1,t},n.str=function(t){return"mat3("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+")"},n.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+Math.pow(t[6],2)+Math.pow(t[7],2)+Math.pow(t[8],2))},n.add=function(t,n,r){return t[0]=n[0]+r[0],t[1]=n[1]+r[1],t[2]=n[2]+r[2],t[3]=n[3]+r[3],t[4]=n[4]+r[4],t[5]=n[5]+r[5],t[6]=n[6]+r[6],t[7]=n[7]+r[7],t[8]=n[8]+r[8],t},n.subtract=u,n.multiplyScalar=function(t,n,r){return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=n[3]*r,t[4]=n[4]*r,t[5]=n[5]*r,t[6]=n[6]*r,t[7]=n[7]*r,t[8]=n[8]*r,t},n.multiplyScalarAndAdd=function(t,n,r,a){return t[0]=n[0]+r[0]*a,t[1]=n[1]+r[1]*a,t[2]=n[2]+r[2]*a,t[3]=n[3]+r[3]*a,t[4]=n[4]+r[4]*a,t[5]=n[5]+r[5]*a,t[6]=n[6]+r[6]*a,t[7]=n[7]+r[7]*a,t[8]=n[8]+r[8]*a,t},n.exactEquals=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[6]===n[6]&&t[7]===n[7]&&t[8]===n[8]},n.equals=function(t,n){var r=t[0],e=t[1],u=t[2],o=t[3],i=t[4],s=t[5],c=t[6],f=t[7],M=t[8],h=n[0],l=n[1],v=n[2],d=n[3],b=n[4],m=n[5],p=n[6],P=n[7],A=n[8];return 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generated by cgit v1.2.1 (git 2.18.0) at 2024-04-25 04:20:33 +0000