Commit e686ee26 authored by amandaghassaei's avatar amandaghassaei
Browse files

starting app

parent ebcfd69c
/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
var saveAs=saveAs||function(e){"use strict";if(typeof e==="undefined"||typeof navigator!=="undefined"&&/MSIE [1-9]\./.test(navigator.userAgent)){return}var t=e.document,n=function(){return e.URL||e.webkitURL||e},r=t.createElementNS("http://www.w3.org/1999/xhtml","a"),o="download"in r,a=function(e){var t=new MouseEvent("click");e.dispatchEvent(t)},i=/constructor/i.test(e.HTMLElement)||e.safari,f=/CriOS\/[\d]+/.test(navigator.userAgent),u=function(t){(e.setImmediate||e.setTimeout)(function(){throw t},0)},s="application/octet-stream",d=1e3*40,c=function(e){var t=function(){if(typeof e==="string"){n().revokeObjectURL(e)}else{e.remove()}};setTimeout(t,d)},l=function(e,t,n){t=[].concat(t);var r=t.length;while(r--){var o=e["on"+t[r]];if(typeof o==="function"){try{o.call(e,n||e)}catch(a){u(a)}}}},p=function(e){if(/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(e.type)){return new Blob([String.fromCharCode(65279),e],{type:e.type})}return e},v=function(t,u,d){if(!d){t=p(t)}var v=this,w=t.type,m=w===s,y,h=function(){l(v,"writestart progress write writeend".split(" "))},S=function(){if((f||m&&i)&&e.FileReader){var r=new FileReader;r.onloadend=function(){var t=f?r.result:r.result.replace(/^data:[^;]*;/,"data:attachment/file;");var n=e.open(t,"_blank");if(!n)e.location.href=t;t=undefined;v.readyState=v.DONE;h()};r.readAsDataURL(t);v.readyState=v.INIT;return}if(!y){y=n().createObjectURL(t)}if(m){e.location.href=y}else{var o=e.open(y,"_blank");if(!o){e.location.href=y}}v.readyState=v.DONE;h();c(y)};v.readyState=v.INIT;if(o){y=n().createObjectURL(t);setTimeout(function(){r.href=y;r.download=u;a(r);h();c(y);v.readyState=v.DONE});return}S()},w=v.prototype,m=function(e,t,n){return new v(e,t||e.name||"download",n)};if(typeof navigator!=="undefined"&&navigator.msSaveOrOpenBlob){return function(e,t,n){t=t||e.name||"download";if(!n){e=p(e)}return navigator.msSaveOrOpenBlob(e,t)}}w.abort=function(){};w.readyState=w.INIT=0;w.WRITING=1;w.DONE=2;w.error=w.onwritestart=w.onprogress=w.onwrite=w.onabort=w.onerror=w.onwriteend=null;return m}(typeof self!=="undefined"&&self||typeof window!=="undefined"&&window||this.content);if(typeof module!=="undefined"&&module.exports){module.exports.saveAs=saveAs}else if(typeof define!=="undefined"&&define!==null&&define.amd!==null){define("FileSaver.js",function(){return saveAs})}
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// Written by Paul Kaplan
var geometryToSTLBin = function(geometryArray) {
var writeVector = function(dataview, bufferIndex, vector, offset, orientation, isLittleEndian) {
vector = vector.clone();
if (orientation) vector.applyQuaternion(orientation);
if (offset) vector.add(offset);
bufferIndex = writeFloat(dataview, bufferIndex, vector.x, isLittleEndian);
bufferIndex = writeFloat(dataview, bufferIndex, vector.y, isLittleEndian);
return writeFloat(dataview, bufferIndex, vector.z, isLittleEndian);
};
var writeFloat = function(dataview, bufferIndex, float, isLittleEndian) {
dataview.setFloat32(bufferIndex, float, isLittleEndian);
return bufferIndex + 4;
};
var isLittleEndian = true; // STL files assume little endian, see wikipedia page
var floatData = [];
for (var index = 0;index<geometryArray.length;index++){
var geometry = geometryArray[index].geo;
var orientation = geometryArray[index].orientation;
var offset = geometryArray[index].offset;
if (geometry instanceof THREE.BufferGeometry){
var normals = geometry.attributes.normal.array;
var vertices = geometry.attributes.position.array;
for (var n=0;n<vertices.length;n+=9){
var normal = new THREE.Vector3(normals[n], normals[n+1], normals[n+2]);
var verta = new THREE.Vector3(vertices[n], vertices[n+1], vertices[n+2]);
var vertb = new THREE.Vector3(vertices[n+3], vertices[n+4], vertices[n+5]);
var vertc = new THREE.Vector3(vertices[n+6], vertices[n+7], vertices[n+8]);
floatData.push([normal, verta, vertb, vertc, offset, orientation]);
}
} else {
var tris = geometry.faces;
var verts = geometry.vertices;
for(var n = 0; n < tris.length; n++) {
floatData.push([tris[n].normal, verts[tris[n].a], verts[tris[n].b], verts[tris[n].c], offset, orientation]);
}
}
}
if (floatData.length == 0){
console.warn("no data to write to stl");
return null;
}
//write to DataView
var bufferSize = 84 + (50 * floatData.length);
var buffer = new ArrayBuffer(bufferSize);
var dv = new DataView(buffer);
var bufferIndex = 0;
bufferIndex += 80; // Header is empty
dv.setUint32(bufferIndex, floatData.length, isLittleEndian);
bufferIndex += 4;
for (var i=0;i<floatData.length;i++){
bufferIndex = writeVector(dv, bufferIndex, floatData[i][0], null, floatData[i][5], isLittleEndian);
for (var j=1;j<4;j++){
bufferIndex = writeVector(dv, bufferIndex, floatData[i][j], floatData[i][4], floatData[i][5], isLittleEndian);
}
bufferIndex += 2; // unused 'attribute byte count' is a Uint16
}
return dv;
};
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/*! jQuery UI - v1.12.0 - 2016-08-13
* http://jqueryui.com
* Includes: core.css, slider.css, theme.css
* To view and modify this theme, visit http://jqueryui.com/themeroller/?scope=&folderName=base&cornerRadiusShadow=8px&offsetLeftShadow=0px&offsetTopShadow=0px&thicknessShadow=5px&opacityShadow=30&bgImgOpacityShadow=0&bgTextureShadow=flat&bgColorShadow=666666&opacityOverlay=30&bgImgOpacityOverlay=0&bgTextureOverlay=flat&bgColorOverlay=aaaaaa&iconColorError=cc0000&fcError=5f3f3f&borderColorError=f1a899&bgTextureError=flat&bgColorError=fddfdf&iconColorHighlight=777620&fcHighlight=777620&borderColorHighlight=dad55e&bgTextureHighlight=flat&bgColorHighlight=fffa90&iconColorActive=ffffff&fcActive=ffffff&borderColorActive=003eff&bgTextureActive=flat&bgColorActive=007fff&iconColorHover=555555&fcHover=2b2b2b&borderColorHover=cccccc&bgTextureHover=flat&bgColorHover=ededed&iconColorDefault=777777&fcDefault=454545&borderColorDefault=c5c5c5&bgTextureDefault=flat&bgColorDefault=f6f6f6&iconColorContent=444444&fcContent=333333&borderColorContent=dddddd&bgTextureContent=flat&bgColorContent=ffffff&iconColorHeader=444444&fcHeader=333333&borderColorHeader=dddddd&bgTextureHeader=flat&bgColorHeader=e9e9e9&cornerRadius=3px&fwDefault=normal&fsDefault=1em&ffDefault=Arial%2CHelvetica%2Csans-serif
* Copyright jQuery Foundation and other contributors; Licensed MIT */
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// Underscore.js 1.8.3
// http://underscorejs.org
// (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
// Underscore may be freely distributed under the MIT license.
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<!DOCTYPE html>
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<head>
<meta charset="UTF-8">
<title>Origami Simulator</title>
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<link rel="stylesheet" type="text/css" href="main.css"/>
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</head>
<body>
<div id="threeContainer"></div>
<div id="controlsLeft" class="flipped">
<div>
<a id="logo" target="_blank" href="http://cba.mit.edu/">
<img id="inactiveLogo" src="logo.png"/>
<img id="activeLogo" src="logo-active.png"/>
</a><br/>
3D View:
<div class="indent">
<label class="checkbox" for="dynamic">
<input id="dynamic" data-toggle="checkbox" class="custom-checkbox layersSelector" type="checkbox"><span class="icons"><span class="icon-unchecked"></span><span class="icon-checked"></span></span>
Dynamic Simulation
</label>
<label class="checkbox" for="static">
<input id="static" data-toggle="checkbox" class="custom-checkbox layersSelector" type="checkbox"><span class="icons"><span class="icon-unchecked"></span><span class="icon-checked"></span></span>
Static Simulation
</label>
<label class="checkbox" for="schematic">
<input id="schematic" data-toggle="checkbox" class="custom-checkbox layersSelector" type="checkbox"><span class="icons"><span class="icon-unchecked"></span><span class="icon-checked"></span></span>
Crease Pattern
</label>
</div>
</div>
<br/><br/>
<div class="dynamicSim">
Dynamic Sim Settings:<br/>
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<div class="sliderContainer">
<span class="label-slider">Damping : </span><div id="damping" class="flat-slider ui-slider ui-corner-all ui-slider-horizontal ui-widget ui-widget-content"></div><br/>
</div>
<a href="#" id="resetDynamicSim" class="btn btn-lg btn-default">Replay Dynamic Simulation</a>
</div>
</div>
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</div>
<div id="controls">
<a href="#" id="about" class="btn btn-lg btn-default">About</a><br/><br/>
<!--<div class="sliderInput" id="density">-->
<!--<span class="label-slider">Density : </span><div class="flat-slider ui-slider ui-corner-all ui-slider-horizontal ui-widget ui-widget-content"></div>-->
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<!--</div>-->
<!--<div class="sliderInput" id="length">-->
<!--<span class="label-slider">Length (m) : </span><div class="flat-slider ui-slider ui-corner-all ui-slider-horizontal ui-widget ui-widget-content"></div>-->
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<!--<span class="titleSpan">Available Materials:</span>-->
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<div class="modal fade" id="aboutModal" tabindex="-1" role="dialog">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="modal-body">
<p><b>Origami Simulator</b><br/><br/>
lakfjsdlkfjladskj
<br/>
Built by <a href="http://www.amandaghassaei.com/" target="_blank">Amanda Ghassaei</a> as a homework assignment for <a href="http://courses.csail.mit.edu/6.849/spring17/" target="_blank">Geometric Folding Algorithms</a>.
Code available on <a href="https://github.com/amandaghassaei/OrigamiSimulator" target="_blank">Github</a>.
</p>
</div>
</div><!-- /.modal-content -->
</div><!-- /.modal-dialog -->
</div><!-- /.modal -->
</body>
</html>
\ No newline at end of file
//from http://webglfundamentals.org/webgl/lessons/webgl-boilerplate.html
function GLBoilerPlate(){
/**
* Creates and compiles a shader.
*
* @param {!WebGLRenderingContext} gl The WebGL Context.
* @param {string} shaderSource The GLSL source code for the shader.
* @param {number} shaderType The type of shader, VERTEX_SHADER or
* FRAGMENT_SHADER.
* @return {!WebGLShader} The shader.
*/
function compileShader(gl, shaderSource, shaderType) {
// Create the shader object
var shader = gl.createShader(shaderType);
// Set the shader source code.
gl.shaderSource(shader, shaderSource);
// Compile the shader
gl.compileShader(shader);
// Check if it compiled
var success = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
if (!success) {
// Something went wrong during compilation; get the error
throw "could not compile shader:" + gl.getShaderInfoLog(shader);
}
return shader;
}
/**
* Creates a program from 2 shaders.
*
* @param {!WebGLRenderingContext) gl The WebGL context.
* @param {!WebGLShader} vertexShader A vertex shader.
* @param {!WebGLShader} fragmentShader A fragment shader.
* @return {!WebGLProgram} A program.
*/
function createProgram(gl, vertexShader, fragmentShader) {
// create a program.
var program = gl.createProgram();
// attach the shaders.
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
// link the program.
gl.linkProgram(program);
// Check if it linked.
var success = gl.getProgramParameter(program, gl.LINK_STATUS);
if (!success) {
// something went wrong with the link
throw ("program filed to link:" + gl.getProgramInfoLog (program));
}
return program;
}
/**
* Creates a shader from the content of a script tag.
*
* @param {!WebGLRenderingContext} gl The WebGL Context.
* @param {string} scriptId The id of the script tag.
* @param {string} opt_shaderType. The type of shader to create.
* If not passed in will use the type attribute from the
* script tag.
* @return {!WebGLShader} A shader.
*/
function createShaderFromSource(gl, shaderSource, shaderType) {
return compileShader(gl, shaderSource, shaderType);
}
/**
* Creates a program from 2 script tags.
*
* @param {!WebGLRenderingContext} gl The WebGL Context.
* @param {string} vertexShaderId The id of the vertex shader script tag.
* @param {string} fragmentShaderId The id of the fragment shader script tag.
* @return {!WebGLProgram} A program
*/
function createProgramFromSource(
gl, vertexShader, fragmentShader) {
var vertexShader = createShaderFromSource(gl, vertexShader, gl.VERTEX_SHADER);
var fragmentShader = createShaderFromSource(gl, fragmentShader, gl.FRAGMENT_SHADER);
return createProgram(gl, vertexShader, fragmentShader);
}
function loadVertexData(gl, program) {
gl.bindBuffer(gl.ARRAY_BUFFER, gl.createBuffer());
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ -1,-1, 1,-1, -1, 1, 1, 1]), gl.STATIC_DRAW);
// look up where the vertex data needs to go.
var positionLocation = gl.getAttribLocation(program, "a_position");
gl.enableVertexAttribArray(positionLocation);
gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
}
function makeTexture(gl, width, height, type, data){
var texture = gl.createTexture();
gl.bindTexture(gl.TEXTURE_2D, texture);
// Set the parameters so we can render any size image.
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, type, data);
return texture;
}
return {
createProgramFromSource: createProgramFromSource,
loadVertexData: loadVertexData,
makeTexture: makeTexture
}
}
\ No newline at end of file
/**
* Created by ghassaei on 2/24/16.
*/
function initGPUMath(){
var glBoilerplate = GLBoilerPlate();
var canvas = document.getElementById("gpuMathCanvas");
var gl = canvas.getContext("webgl", {antialias:false}) || canvas.getContext("experimental-webgl", {antialias:false});
gl.getExtension('OES_texture_float');
gl.disable(gl.DEPTH_TEST);
var maxTexturesInFragmentShader = gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS);
console.log(maxTexturesInFragmentShader + " textures max");
function GPUMath(){
this.reset();
}
GPUMath.prototype.createProgram = function(programName, vertexShader, fragmentShader){
var programs = this.programs;
var program = programs[name];
if (program) {
console.warn("already a program with the name " + programName);
return;
}
program = glBoilerplate.createProgramFromSource(gl, vertexShader, fragmentShader);
gl.useProgram(program);
glBoilerplate.loadVertexData(gl, program);
programs[programName] = {
program: program,
uniforms: {}
};
};
GPUMath.prototype.initTextureFromData = function(name, width, height, typeName, data, shouldReplace){
var texture = this.textures[name];
if (!shouldReplace && texture) {
console.warn("already a texture with the name " + name);
return;
}
texture = glBoilerplate.makeTexture(gl, width, height, gl[typeName], data);
this.textures[name] = texture;
};
GPUMath.prototype.initFrameBufferForTexture = function(textureName){
var framebuffer = this.frameBuffers[textureName];
if (framebuffer) {
console.warn("framebuffer already exists for texture " + textureName);
return;
}
var texture = this.textures[textureName];
if (!texture){
console.warn("texture " + textureName + " does not exist");
return;
}
framebuffer = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, framebuffer);
gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0);
this.frameBuffers[textureName] = framebuffer;
};
GPUMath.prototype.setUniformForProgram = function(programName, name, val, type){
if (!this.programs[programName]){
console.warn("no program with name " + programName);
return;
}
var uniforms = this.programs[programName].uniforms;
var location = uniforms[name];
if (!location) {
location = gl.getUniformLocation(this.programs[programName].program, name);