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Commit e7fd44b6 authored by amandaghassaei's avatar amandaghassaei
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eod

parent c031e835
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js/plists/MaterialsPlist.js
View file @ e7fd44b6
......@@ -91,7 +91,7 @@ define([], function(){
conductive: false,
density: 3500,//kg/m^3
longitudalK:{x:150,y:150,z:150},
shearK:{xy:10,xz:150,yx:150,yz:150,zx:150,zy:150},
shearK:{xy:1,xz:150,yx:150,yz:150,zx:150,zy:150},
bendingK:{x:150,y:150,z:150},
torsionK:{x:150,y:150,z:150}
}
......
js/simulation/function/EM/emSimLattice.js
View file @ e7fd44b6
......@@ -46,6 +46,7 @@ define(['underscore', 'backbone', 'threeModel', 'lattice', 'plist', 'emWire', 'G
this.textureSize = [textureDim, textureDim];
this.originalPosition = new Float32Array(textureSize*4);
this.originalQuaternion = new Float32Array(textureSize*4);
this.translation = new Float32Array(textureSize*8);//first half is translation, second half is rotation
this.lastTranslation = new Float32Array(textureSize*8);
this.velocity = new Float32Array(textureSize*8);//first half is translation, second half is rotation
......@@ -88,6 +89,12 @@ define(['underscore', 'backbone', 'threeModel', 'lattice', 'plist', 'emWire', 'G
self.originalPosition[rgbaIndex+1] = position.y;
self.originalPosition[rgbaIndex+2] = position.z;
var quaternion = cell.getOrientation();
self.originalQuaternion[rgbaIndex] = quaternion.x;
self.originalQuaternion[rgbaIndex+1] = quaternion.y;
self.originalQuaternion[rgbaIndex+2] = quaternion.z;
self.originalQuaternion[rgbaIndex+3] = quaternion.w;
self.cellsArrayMapping[rgbaIndex] = x;
self.cellsArrayMapping[rgbaIndex+1] = y;
self.cellsArrayMapping[rgbaIndex+2] = z;
......@@ -137,7 +144,7 @@ define(['underscore', 'backbone', 'threeModel', 'lattice', 'plist', 'emWire', 'G
var cellK = self._getCellK(cell, dof);
var neighborK = self._getCellK(neighbor, dof);
_.each(["x", "y", "z"], function(axis, axisIndex){
var compositeK = self._calcCompositeParam(cellK[axis], neighborK[axis]);
var compositeK = self._calcCompositeParam(cellK[self._getRotatedAxis(axis, cell)], neighborK[self._getRotatedAxis(axis, neighbor)]);
var offset = (dofIndex*3+axisIndex)*textureSize*8;
self.compositeKs[compositeIndex + neighborIndex%3 + offset] = compositeK;
self.compositeDs[compositeIndex + neighborIndex%3 + offset] = compositeK/1000;//this is arbitrary for now
......@@ -146,7 +153,8 @@ define(['underscore', 'backbone', 'threeModel', 'lattice', 'plist', 'emWire', 'G
var cellK = self._getCellK(cell,"shear");//shear last bc it has six elements instead of 3
var neighborK = self._getCellK(neighbor, "shear");
_.each(["xy", "xz", "yx", "yz", "zx", "zy"], function(axis, axisIndex){
var compositeK = self._calcCompositeParam(cellK[axis], neighborK[axis]);
var compositeK = self._calcCompositeParam(cellK[self._getRotatedAxis(axis[0], cell)+self._getRotatedAxis(axis[1], cell)],
neighborK[self._getRotatedAxis(axis[0], neighbor)+self._getRotatedAxis(axis[1], neighbor)]);
var offset = (3*3+axisIndex)*textureSize*8;
self.compositeKs[compositeIndex + neighborIndex%3 + offset] = compositeK;
self.compositeDs[compositeIndex + neighborIndex%3 + offset] = compositeK/1000;//this is arbitrary for now
......@@ -210,6 +218,17 @@ define(['underscore', 'backbone', 'threeModel', 'lattice', 'plist', 'emWire', 'G
},
_getRotatedAxis: function(_axis, _cell){
var vector = new THREE.Vector3();
vector[_axis] = 1;
vector.applyQuaternion(_cell.getOrientation());
if (Math.abs(vector.x)>0.9) return "x";
if (Math.abs(vector.y)>0.9) return "y";
if (Math.abs(vector.z)>0.9) return "z";
console.warn("bad rotation for cell given");
return "x";
},
_setupGPU: function(textureDim){
gpuMath.reset();
......@@ -751,11 +770,12 @@ define(['underscore', 'backbone', 'threeModel', 'lattice', 'plist', 'emWire', 'G
position[1] += multiplier*translation[1];
position[2] += multiplier*translation[2];
var quaternion = new THREE.Quaternion(this.quaternion[rgbaIndex], this.quaternion[rgbaIndex+1], this.quaternion[rgbaIndex+2], this.quaternion[rgbaIndex+3]);
var rotation = new THREE.Euler().setFromQuaternion( quaternion, "XYZ" );
var quaternion = this._multiplyQuaternions([this.quaternion[rgbaIndex], this.quaternion[rgbaIndex+1], this.quaternion[rgbaIndex+2], this.quaternion[rgbaIndex+3]],
[this.originalQuaternion[rgbaIndex], this.originalQuaternion[rgbaIndex+1], this.originalQuaternion[rgbaIndex+2], this.originalQuaternion[rgbaIndex+3]]);
var rotation = this._eulerFromQuaternion(quaternion);
cells[index[0]][index[1]][index[2]].object3D.position.set(position[0], position[1], position[2]);
cells[index[0]][index[1]][index[2]].object3D.rotation.set(rotation.x, rotation.y, rotation.z);
cells[index[0]][index[1]][index[2]].object3D.rotation.set(rotation[0], rotation[1], rotation[2]);
}
}
......@@ -888,7 +908,7 @@ define(['underscore', 'backbone', 'threeModel', 'lattice', 'plist', 'emWire', 'G
return ( x < a ) ? a : ( ( x > b ) ? b : x );
},
_setFromRotationMatrix: function (te) {
_setFromRotationMatrix: function (te) {//xyz
// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
var m11 = te[0], m12 = te[4], m13 = te[8];
var m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];
......@@ -1050,7 +1070,8 @@ define(['underscore', 'backbone', 'threeModel', 'lattice', 'plist', 'emWire', 'G
var rgbaIndex = 4*self.cellsIndexMapping[index.x][index.y][index.z];
var position = [self.originalPosition[rgbaIndex], self.originalPosition[rgbaIndex+1], self.originalPosition[rgbaIndex+2]];
cell.object3D.position.set(position[0], position[1], position[2]);
cell.object3D.rotation.set(0, 0, 0);
var rotation = self._eulerFromQuaternion([self.originalQuaternion[rgbaIndex], self.originalQuaternion[rgbaIndex+1], self.originalQuaternion[rgbaIndex+2], self.originalQuaternion[rgbaIndex+3]]);
cell.object3D.rotation.set(rotation[0], rotation[1], rotation[2]);
});
this.lastTranslation = new Float32Array(textureSize*8);
......
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