public void Attach(Motion motion)
{
Debug.Assert(motion != null);
// Create a new holder
MotionHolder pMotionHolder = new MotionHolder(motion);
Debug.Assert(pMotionHolder != null);
// Attach it to the Motion Composite ( Push to front )
SLink.AddToFront(ref this.poFirstMotion, pMotionHolder);
// Set the first one to this motion
this.pCurrentMotion = pMotionHolder;
}
public override void Execute(float deltaTime)
{
Debug.Assert(this.pGameObject != null);
//--------------------------------------
MotionHolder pMotionHolder = (MotionHolder)this.pCurrentMotion;
Debug.Assert(pMotionHolder != null);
if (pMotionHolder.pMotion.motionAdvance == true)
{
//set advance flag back to false
pMotionHolder.pMotion.motionAdvance = false;
// advance to next motion
pMotionHolder = (MotionHolder)pMotionHolder.pNext;
// if at end of list, set to first
if (pMotionHolder == null)
{
pMotionHolder = (MotionHolder)poFirstMotion;
}
}
// squirrel away for next timer event
this.pCurrentMotion = pMotionHolder;
// computer x and y deltas using composition position info
Motion motion = pMotionHolder.pMotion;
motion.ApplyMotion(pGameObject.poColObj.poColRect.x, pGameObject.poColObj.poColRect.y, pGameObject.poColObj.poColRect.width, pGameObject.poColObj.poColRect.height);
// Update Composition Speeds
pGameObject.speedX = motion.deltaX;
pGameObject.speedY = motion.deltaY;
// Move the Composition using the updated speeds
pGameObject.Move(); // no longer used.
// Add itself back to timer
TimerManager.Add(this.name, this, deltaTime);
}