protected bool IsTouchingBottom(MmtAnimatedSprite sprite)
{
return(Rectangle.Top + Velocity.Y < sprite.Rectangle.Bottom &&
Rectangle.Bottom > sprite.Rectangle.Bottom &&
Rectangle.Right > sprite.Rectangle.Left &&
Rectangle.Left < sprite.Rectangle.Right);
}
private bool PerPixelCollision(MmtAnimatedSprite target)
{
var sourceColors = new Color[_animations.First().FrameWidth *_animations.First().FrameHeight];
_animations.First().Texture.GetData(sourceColors);
var targetColors = new Color[target._animations.First().FrameWidth *target._animations.First().FrameHeight];
target._animations.First().Texture.GetData(sourceColors);
var left = Math.Max(Rectangle.Left, target.Rectangle.Left);
var top = Math.Max(Rectangle.Top, target.Rectangle.Top);
var width = Math.Min(Rectangle.Right, target.Rectangle.Right) - left;
var height = Math.Min(Rectangle.Bottom, target.Rectangle.Bottom) - top;
var intersectingRectangle = new Rectangle(left, top, width, height);
for (var x = intersectingRectangle.Left; x < intersectingRectangle.Right; x++)
{
for (var y = intersectingRectangle.Top; y < intersectingRectangle.Bottom; y++)
{
var sourceColor = sourceColors[(x - Rectangle.Left) + (y - Rectangle.Top) * _animations.First().FrameWidth];
var targetColor = targetColors[(x - target.Rectangle.Left) + (y - target.Rectangle.Top) * target._animations.First().FrameWidth];
if (sourceColor.A > 0 && targetColor.A > 0)
{
return(true);
}
}
}
return(false);
}
protected bool IsTouchingRight(MmtAnimatedSprite sprite)
{
return(Rectangle.Left + Velocity.X < sprite.Rectangle.Right &&
Rectangle.Right > sprite.Rectangle.Right &&
Rectangle.Bottom > sprite.Rectangle.Top &&
Rectangle.Top < sprite.Rectangle.Bottom);
}
