var Displayable = function() { // Nothing to do here }; Displayable.prototype.addToScene = function(scene) { scene.add(this.mesh); }; Displayable.prototype.translate = function(x,y,z) { this.geometry.applyMatrix(new THREE.Matrix4().makeTranslation(x,y,z)); }; // class Cube extends Displayable var Cube = function(size, style) { // Super constructor call Displayable.call(this); if (size === undefined) size = 100; if (style === undefined) style = {}; this.geometry = new THREE.BoxGeometry(size, size, size); this.material = new THREE.MeshLambertMaterial(style); this.mesh = new THREE.Mesh(this.geometry, this.material); this.mesh.castShadow = false; }; Cube.prototype = Object.create(Displayable.prototype); Cube.prototype.constructor = Cube; // class Plane extends Displayable var Plane = function(size1, size2, style) { Displayable.call(this); if (style === undefined) style = {}; this.geometry = new THREE.PlaneBufferGeometry(size1, size2); this.material = new THREE.MeshLambertMaterial(style); this.material.side = THREE.DoubleSide; this.mesh = new THREE.Mesh(this.geometry, this.material); this.mesh.receiveShadow = true; }; Plane.prototype = Object.create(Displayable.prototype); Plane.prototype.constructor = Plane; Plane.prototype.addToScene = function(scene) { scene.add(this.mesh); };