offset component

src/game-lib-component-offsettor.js

@@ -0,0 +1,57 @@
+/**
+ *
+ * @param id
+ * @param name
+ * @param axis {GameLib.D3.Vector3}
+ * @param getOffsetFunc
+ * @constructor
+ */
+GameLib.D3.ComponentOffsettor = function ComponentOffsettor(
+    id,
+    name,
+    axis,
+    getOffsetFunc
+) {
+    this.id = id || GameLib.D3.Tools.RandomId();
+
+    if (typeof name == 'undefined') {
+        name = this.constructor.name;
+    }
+    this.name = name;
+    this.parentEntity = null;
+
+    this.axis = axis || new GameLib.D3.Vector3();
+    this.getOffsetFunc = getOffsetFunc || function(){ return 1; };
+
+    GameLib.D3.Utils.Extend(GameLib.D3.ComponentOffsettor, GameLib.D3.ComponentInterface);
+};
+
+//#ifdef RUNTIME__
+
+///////////////////////// Methods to override //////////////////////////
+GameLib.D3.ComponentOffsettor.prototype.onLateUpdate = function(
+    deltaTime,
+    parentEntity
+) {
+   if(parentEntity) {
+
+      var pos = new THREE.Vector3(
+          this.axis.x,
+          this.axis.y,
+          this.axis.z
+      ).normalize().applyQuaternion(
+          new THREE.Quaternion(
+              parentEntity.quaternion.x,
+              parentEntity.quaternion.y,
+              parentEntity.quaternion.z,
+              parentEntity.quaternion.w
+          )
+      ).multiplyScalar(this.getOffsetFunc());
+
+       parentEntity.position.x += pos.x;
+       parentEntity.position.y += pos.y;
+       parentEntity.position.z += pos.z;
+       parentEntity.mesh.updateMatrix();
+   }
+};
+//#endif