private bool isPixelsCollided(IPixelsCollidable i_Source)
{
bool isPixelsCollided = false;
int top = Math.Max(Bounds.Top, i_Source.Bounds.Top);
int bottom = Math.Min(Bounds.Bottom, i_Source.Bounds.Bottom);
int left = Math.Max(Bounds.Left, i_Source.Bounds.Left);
int right = Math.Min(Bounds.Right, i_Source.Bounds.Right);
this.m_LastCollisionRectangle = new Rectangle(left, top, right - left, bottom - top);
(i_Source as CollidableSprite).m_LastCollisionRectangle = new Rectangle(top, left, right - left, top - bottom);
for (int y = top; y < bottom; y++)
{
for (int x = left; x < right; x++)
{
Color pixelA = this.Pixels[(x - this.Bounds.Left) + ((y - this.Bounds.Top) * this.Bounds.Width)];
Color pixelB = i_Source.Pixels[(x - i_Source.Bounds.Left) + ((y - i_Source.Bounds.Top) * i_Source.Bounds.Width)];
if (pixelA.A != 0 && pixelB.A != 0)
{
///keep colliding pixels data
this.m_CollidedPixelsPositions.Add(new Vector2(x, y));
(i_Source as CollidableSprite).LastCollisionPixelsPositions.Add(new Vector2(x, y));
this.m_CollidedPixelsIndex.Add(new Vector2(x - this.Bounds.Left, y - this.Bounds.Top));
(i_Source as CollidableSprite).LastCollisionPixelsIndex.Add(new Vector2(x - i_Source.Bounds.Left, y - i_Source.Bounds.Top));
isPixelsCollided = true;
}
}
}
return(isPixelsCollided);
}
private bool checkPixelsCollision(ICollidable i_Source)
{
bool pixelsCollided = false;
bool rectanglesCollided = false;
IPixelsCollidable source = i_Source as IPixelsCollidable;
if (source != null)
{
rectanglesCollided = source.Bounds.Intersects(this.Bounds);
}
if (rectanglesCollided)
{
pixelsCollided = this.isPixelsCollided(i_Source as IPixelsCollidable);
}
return(pixelsCollided);
}
private bool checkRectangleCollision(ICollidable i_Source)
{
{
bool collided = false;
IPixelsCollidable source = i_Source as IPixelsCollidable;
if (source != null)
{
collided = source.Bounds.Intersects(this.Bounds);
}
if (collided)
{
collided = true;
}
return(collided);
}
}
