low poly part

js/fea/DmaCell.js

@@ -167,6 +167,9 @@ DMACell.prototype._initParts = function(){
     return [];//override in subclasses
 };
 
+DMACell.prototype.changePartType = function(){//override in subclasses
+};
+
 DMACell.prototype.removePart = function(index){
     this.parts[index].destroy();
     this.parts[index] = null;

js/fea/DmaCellOcta.js

@@ -156,7 +156,22 @@ function DMARotatedEdgeCell(indices, scale, cellMode, partType){
 DMARotatedEdgeCell.prototype = Object.create(DMACell.prototype);
 
 DMARotatedEdgeCell.prototype._initParts = function(){
-    return [new DMAEdgeVoxPart(0, this)];
+    return this.changePartType(dmaGlobals.lattice.get("partType"));
+};
+
+DMARotatedEdgeCell.prototype.changePartType = function(type){
+    var newParts = [];
+    if (type == "vox"){
+        newParts.push(new DMAEdgeVoxPart(0, this));
+    } else if (type == "voxLowPoly"){
+        newParts.push(new DMAEdgeVoxPartLowPoly(0, this));
+    } else {
+        console.warn("part type not recognized");
+        return;
+    }
+    if (!this.parts) return newParts;
+    this.destroyParts();
+    this.parts = newParts;
 };
 
 DMARotatedEdgeCell.prototype._doMeshTransformations = function(mesh){

js/fea/DmaPart.js

@@ -180,6 +180,36 @@ var partMaterial = new THREE.MeshLambertMaterial({ color:0xffffff, shading: THRE
 })();
 
 
+(function () {
+
+    var unitPartGeo;
+
+    //import part geometry
+    var loader = new THREE.STLLoader();
+    loader.load("assets/stls/parts/edgeVoxPartLowPoly.stl", function(geometry){
+
+        unitPartGeo = geometry;
+        unitPartGeo.computeBoundingBox();
+        var unitScale = 0.706/unitPartGeo.boundingBox.max.y;
+        unitPartGeo.applyMatrix(new THREE.Matrix4().makeScale(unitScale, unitScale, unitScale));
+    });
+
+    function DMAEdgeVoxPartLowPoly(type, parent){
+        DMAPart.call(this, type, parent);
+    }
+    DMAEdgeVoxPartLowPoly.prototype = Object.create(DMAPart.prototype);
+
+    DMAEdgeVoxPartLowPoly.prototype._makeMeshForType = function(){
+        var mesh = new THREE.Mesh(unitPartGeo, partMaterial);
+        mesh.myPart = this;//need a ref back to this part
+        return mesh;
+    };
+
+    self.DMAEdgeVoxPartLowPoly = DMAEdgeVoxPartLowPoly;
+
+})();
+
+
 (function () {
 
     var unitPartGeo;