/// <summary>
/// Adds a GameObject to the object list.
/// </summary>
/// <param name="obj">GameObject to add</param>
public void AddObject(GameObject obj)
{
for (int i=0;i<ObjectList.Length;i++)
if (ObjectList[i]==null) {
ObjectList[i]=obj;
break;
}
}
public Animation(GameObject parent,int width,int height,bool useTimer)
{
_texture=parent._texture;
_textureRect=new Rectangle(0,0,_texture.Width,_texture.Height);
_displayRect=new Rectangle(0,0,width,height);
_cols=_texture.Width/width;
_rows=_texture.Height/height;
_totalFrames=_cols*_rows;
_parent=parent;
_currentStage=new AnimationStage(0,_totalFrames-1,true,0,false);
_parent._srcRect=_displayRect;
_currentStageIndex=0;
_useTimer=useTimer;
if (_useTimer){
_timer=new Timer(DEFAULT_FRAME_DELAY,0,Animate,this);
_timerIndex=Timers.Add(_timer);
}
}
public Animation(GameObject parent,int width,int height)
: this(parent,width,height,true)
{
}
public void Remove()
{
Timers.Remove(_timerIndex);
_parent=null;
}
/// <summary>
/// Do the collide action
/// </summary>
/// <param name="go">GameObject that is being collided with</param>
/// <returns>Returns true if should remove, false if not</returns>
public virtual bool DoCollide(GameObject go)
{
return false;
}
/// <summary>
/// Is the GameObject allowed to collide
/// </summary>
/// <param name="o">Query object to check</param>
/// <returns>Returns if the objects can collide or not</returns>
public virtual bool CanCollide(GameObject o)
{
return false;
}
private bool PixelPerfect(GameObject o1,GameObject o2)
{
if (o1.Rotation==0&&o2.Rotation==0)
return PixelPerfectSimple(o1.Rect,o1.TextureData,o2.Rect,o2.TextureData);
Matrix a2b=Matrix.CreateTranslation(-o1.Origin.X,-o1.Origin.Y,0)*
Matrix.CreateRotationZ(o1.Rotation)*
Matrix.CreateTranslation(o1.Position.X,o1.Position.Y,0)*
Matrix.Invert(
Matrix.CreateTranslation(-o2.Origin.X,-o2.Origin.Y,0)*
Matrix.CreateRotationZ(o2.Rotation)*
Matrix.CreateTranslation(o2.Position.X,o2.Position.Y,0)
);
Vector2 stepX=Vector2.TransformNormal(Vector2.UnitX,a2b);
Vector2 stepY=Vector2.TransformNormal(Vector2.UnitY,a2b);
Vector2 o2y=Vector2.Transform(Vector2.Zero,a2b);
for (int y1=0;y1<o1.Rect.Height;y1++) {
Vector2 o2pos=o2y;
for (int x1=0;x1<o1.Rect.Width;x1++) {
int x2=(int)Math.Round(o2pos.X);
int y2=(int)Math.Round(o2pos.Y);
if (x2>0&&x2<o2.Rect.Width&&y2>0&&y2<o2.Rect.Height)
if (o1.TextureData[x1+y1*o1.Rect.Width].A>0&&o2.TextureData[x2+y2*o2.Rect.Width].A>0)
return true;
o2pos+=stepX;
}
o2y+=stepY;
}
return false;
}
