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Commit 3a857bde authored by amandaghassaei's avatar amandaghassaei
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typed arrays working again

parent 4adedfec
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js/materials/DMAMaterial.js
View file @ 3a857bde
......@@ -477,12 +477,8 @@ define(['underscore', 'appState', 'three'], function(_, appState, THREE){
return this.properties.density;
};
DMAMaterial.prototype.getElasticMod = function(){
return this.properties.elasMod*1000000000;
};
DMAMaterial.prototype.getK = function(){
return this.properties.k;
DMAMaterial.prototype.getLongitudalK = function(){
return this.properties.longitudalK;
};
DMAMaterial.prototype.getMesh = function(){
......
js/simulation/Sim.js
View file @ 3a857bde
......@@ -90,6 +90,7 @@ define(['three', 'underscore', 'backbone', 'threeModel', 'appState', 'lattice'],
var dt = this.get("dtSolver")/1000000;//convert to sec
var renderRate = this.get("dtRender");
var runConstants = this._setRunConstants();
runConstants.dt = dt;
three.startAnimationLoop(function(){
for (var i=0;i<renderRate-1;i++){
......
js/simulation/function/EM/emSimLattice.js
View file @ 3a857bde
......@@ -303,8 +303,8 @@ define(['underscore', 'backbone', 'threeModel', 'lattice', 'plist', 'emWire', 'G
return material.getDensity()*cellVolume;//kg
},
_getCellK: function(cell){
return cell.getMaterial().getK();
_getCellK: function(cell, type, axis){
return cell.getMaterial().getLongitudalK().x;
},
_calcCompositeParam: function(param1, param2){
......@@ -478,69 +478,69 @@ define(['underscore', 'backbone', 'threeModel', 'lattice', 'plist', 'emWire', 'G
iter: function(time, runConstants, shouldRender){
gpuMath.step("quaternionCalc", ["u_lastTranslation", "u_lastQuaternion", "u_fixed", "u_neighborsXMapping",
"u_neighborsYMapping", "u_compositeKs"], "u_quaternion", "u_wires", "u_wiresMeta", time);
gpuMath.step("velocityCalc", ["u_lastVelocity", "u_lastTranslation", "u_mass", "u_fixed", "u_neighborsXMapping",
"u_neighborsYMapping", "u_compositeKs", "u_compositeDs", "u_originalPosition", "u_lastQuaternion", "u_wires",
"u_wiresMeta"], "u_velocity", time);
gpuMath.step("positionCalc", ["u_velocity", "u_lastTranslation", "u_fixed"], "u_translation");
if (shouldRender) {
var textureSize = this.textureSize[0]*this.textureSize[1];
//get position
var vectorLength = 3;
gpuMath.setProgram("packToBytes");
gpuMath.setUniformForProgram("packToBytes", "u_vectorLength", vectorLength, "1f");
gpuMath.setSize(this.textureSize[0]*vectorLength, this.textureSize[1]);
gpuMath.step("packToBytes", ["u_translation"], "outputPositionBytes");
var pixels = new Uint8Array(textureSize * 4*vectorLength);
if (gpuMath.readyToRead()) {
gpuMath.readPixels(0, 0, this.textureSize[0] * vectorLength, this.textureSize[1], pixels);
var parsedPixels = new Float32Array(pixels.buffer);
var cells = lattice.getCells();
var multiplier = 1 / (plist.allUnitTypes[lattice.getUnits()].multiplier);
for (var i = 0; i < textureSize; i++) {
var rgbaIndex = 4 * i;
if (this.fixed[rgbaIndex] < 0) continue;//no more cells
var index = [this.cellsArrayMapping[rgbaIndex], this.cellsArrayMapping[rgbaIndex + 1], this.cellsArrayMapping[rgbaIndex + 2]];
var parsePixelsIndex = vectorLength * i;
var translation = [parsedPixels[parsePixelsIndex], parsedPixels[parsePixelsIndex + 1], parsedPixels[parsePixelsIndex + 2]];
var position = [this.originalPosition[rgbaIndex], this.originalPosition[rgbaIndex + 1], this.originalPosition[rgbaIndex + 2]];
position[0] += multiplier * translation[0];
position[1] += multiplier * translation[1];
position[2] += multiplier * translation[2];
cells[index[0]][index[1]][index[2]].object3D.position.set(position[0], position[1], position[2]);
}
}
vectorLength = 4;
gpuMath.setUniformForProgram("packToBytes", "u_vectorLength", vectorLength, "1f");
gpuMath.setSize(this.textureSize[0]*vectorLength, this.textureSize[1]);
gpuMath.step("packToBytes", ["u_quaternion"], "outputQuaternionBytes");
pixels = new Uint8Array(textureSize * 4*vectorLength);
if (gpuMath.readyToRead()) {
gpuMath.readPixels(0, 0, this.textureSize[0] * vectorLength, this.textureSize[1], pixels);
parsedPixels = new Float32Array(pixels.buffer);
for (var i = 0; i < textureSize; i++) {
var rgbaIndex = 4 * i;
if (this.fixed[rgbaIndex] < 0) break;//no more cells
var index = [this.cellsArrayMapping[rgbaIndex], this.cellsArrayMapping[rgbaIndex + 1], this.cellsArrayMapping[rgbaIndex + 2]];
var parsePixelsIndex = vectorLength * i;
var quaternion = [parsedPixels[parsePixelsIndex], parsedPixels[parsePixelsIndex + 1], parsedPixels[parsePixelsIndex + 2], parsedPixels[parsePixelsIndex + 3]];
//console.log(quaternion);
var rotation = this._eulerFromQuaternion(quaternion);
cells[index[0]][index[1]][index[2]].object3D.rotation.set(rotation[0], rotation[1], rotation[2]);
}
}
gpuMath.setSize(this.textureSize[0], this.textureSize[1]);
}
gpuMath.swapTextures("u_velocity", "u_lastVelocity");
gpuMath.swapTextures("u_translation", "u_lastTranslation");
gpuMath.swapTextures("u_quaternion", "u_lastQuaternion");
return;
//gpuMath.step("quaternionCalc", ["u_lastTranslation", "u_lastQuaternion", "u_fixed", "u_neighborsXMapping",
// "u_neighborsYMapping", "u_compositeKs"], "u_quaternion", "u_wires", "u_wiresMeta", time);
//gpuMath.step("velocityCalc", ["u_lastVelocity", "u_lastTranslation", "u_mass", "u_fixed", "u_neighborsXMapping",
// "u_neighborsYMapping", "u_compositeKs", "u_compositeDs", "u_originalPosition", "u_lastQuaternion", "u_wires",
// "u_wiresMeta"], "u_velocity", time);
//gpuMath.step("positionCalc", ["u_velocity", "u_lastTranslation", "u_fixed"], "u_translation");
//
//if (shouldRender) {
// var textureSize = this.textureSize[0]*this.textureSize[1];
//
// //get position
// var vectorLength = 3;
// gpuMath.setProgram("packToBytes");
// gpuMath.setUniformForProgram("packToBytes", "u_vectorLength", vectorLength, "1f");
// gpuMath.setSize(this.textureSize[0]*vectorLength, this.textureSize[1]);
// gpuMath.step("packToBytes", ["u_translation"], "outputPositionBytes");
// var pixels = new Uint8Array(textureSize * 4*vectorLength);
// if (gpuMath.readyToRead()) {
// gpuMath.readPixels(0, 0, this.textureSize[0] * vectorLength, this.textureSize[1], pixels);
// var parsedPixels = new Float32Array(pixels.buffer);
// var cells = lattice.getCells();
// var multiplier = 1 / (plist.allUnitTypes[lattice.getUnits()].multiplier);
// for (var i = 0; i < textureSize; i++) {
// var rgbaIndex = 4 * i;
// if (this.fixed[rgbaIndex] < 0) continue;//no more cells
// var index = [this.cellsArrayMapping[rgbaIndex], this.cellsArrayMapping[rgbaIndex + 1], this.cellsArrayMapping[rgbaIndex + 2]];
// var parsePixelsIndex = vectorLength * i;
// var translation = [parsedPixels[parsePixelsIndex], parsedPixels[parsePixelsIndex + 1], parsedPixels[parsePixelsIndex + 2]];
// var position = [this.originalPosition[rgbaIndex], this.originalPosition[rgbaIndex + 1], this.originalPosition[rgbaIndex + 2]];
// position[0] += multiplier * translation[0];
// position[1] += multiplier * translation[1];
// position[2] += multiplier * translation[2];
// cells[index[0]][index[1]][index[2]].object3D.position.set(position[0], position[1], position[2]);
// }
// }
//
// vectorLength = 4;
// gpuMath.setUniformForProgram("packToBytes", "u_vectorLength", vectorLength, "1f");
// gpuMath.setSize(this.textureSize[0]*vectorLength, this.textureSize[1]);
// gpuMath.step("packToBytes", ["u_quaternion"], "outputQuaternionBytes");
// pixels = new Uint8Array(textureSize * 4*vectorLength);
// if (gpuMath.readyToRead()) {
// gpuMath.readPixels(0, 0, this.textureSize[0] * vectorLength, this.textureSize[1], pixels);
// parsedPixels = new Float32Array(pixels.buffer);
// for (var i = 0; i < textureSize; i++) {
// var rgbaIndex = 4 * i;
// if (this.fixed[rgbaIndex] < 0) break;//no more cells
// var index = [this.cellsArrayMapping[rgbaIndex], this.cellsArrayMapping[rgbaIndex + 1], this.cellsArrayMapping[rgbaIndex + 2]];
// var parsePixelsIndex = vectorLength * i;
// var quaternion = [parsedPixels[parsePixelsIndex], parsedPixels[parsePixelsIndex + 1], parsedPixels[parsePixelsIndex + 2], parsedPixels[parsePixelsIndex + 3]];
// //console.log(quaternion);
// var rotation = this._eulerFromQuaternion(quaternion);
// cells[index[0]][index[1]][index[2]].object3D.rotation.set(rotation[0], rotation[1], rotation[2]);
// }
// }
//
// gpuMath.setSize(this.textureSize[0], this.textureSize[1]);
//}
//
//gpuMath.swapTextures("u_velocity", "u_lastVelocity");
//gpuMath.swapTextures("u_translation", "u_lastTranslation");
//gpuMath.swapTextures("u_quaternion", "u_lastQuaternion");
//return;
var gravity = runConstants.gravity;
var groundHeight = runConstants.groundHeight;
......@@ -602,7 +602,7 @@ define(['underscore', 'backbone', 'threeModel', 'lattice', 'plist', 'emWire', 'G
var rotatedNominalD = [rotatedHalfNomD[0] + neighbRotatedHalfNomD[0], rotatedHalfNomD[1] + neighbRotatedHalfNomD[1], rotatedHalfNomD[2] + neighbRotatedHalfNomD[2]];
var k = this.compositeKs[neighborsIndex + j%3];
var d = 0.01;//this.compositeDs[neighborsIndex + j%3];
var d = this.compositeDs[neighborsIndex + j%3];
var D = [neighborTranslation[0]-translation[0] + nominalD[0],
neighborTranslation[1]-translation[1] + nominalD[1],
......
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