r3-legacy/src/game-lib-component-offsettor.js

/**
 *
 * @param id
 * @param name
 * @param axis {GameLib.D3.Vector3}
 * @param getOffsetFunc
 * @param userData
 * @constructor
 */
GameLib.D3.ComponentOffsettor = function ComponentOffsettor(
    id,
    name,
    axis,
    getOffsetFunc,
    userData
) {
    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(entity, component, userData){ return 1; };
    this.userData = userData;

    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,
          this,
          this.userData
      ));

       parentEntity.position.x += pos.x;
       parentEntity.position.y += pos.y;
       parentEntity.position.z += pos.z;
       parentEntity.mesh.updateMatrix();
   }
};
//#endif