public eCollisionDirection GetCollisionDirection(Sprite i_Sprite, Sprite i_OtherSprite)
{
eCollisionDirection collisionDirection = eCollisionDirection.Bottom;
if (isCollidedFromTop(i_Sprite, i_OtherSprite))
{
collisionDirection = eCollisionDirection.Top;
}
return(collisionDirection);
}
public void ClearPixelsInVerticalDirection(ref Sprite io_Sprite, List<Vector2> i_StartPixelPositions, eCollisionDirection i_Direction, int i_Length)
{
Color[] spritePixels = io_Sprite.Pixels;
foreach (Vector2 position in i_StartPixelPositions)
{
int y = (int)position.Y, x = (int)position.X, index;
switch (i_Direction)
{
case eCollisionDirection.Top:
for (int i = 0; i < i_Length; i++, y++)
{
index = (x - io_Sprite.Bounds.Left) + ((y - io_Sprite.Bounds.Top) * io_Sprite.Bounds.Width);
if (index > -1 || !(index >= spritePixels.Length))
{
spritePixels[index].A = 0;
}
else
{
break;
}
}
break;
case eCollisionDirection.Bottom:
for (int i = 0; i < i_Length; i++, y--)
{
index = (x - io_Sprite.Bounds.Left) + ((y - io_Sprite.Bounds.Top) * io_Sprite.Bounds.Width);
if (index > -1 && !(index >= spritePixels.Length))
{
spritePixels[index].A = 0;
}
else
{
break;
}
}
break;
}
}
io_Sprite.Pixels = spritePixels;
}
public void ClearPixelsInVerticalDirection(ref Sprite io_Sprite, List <Vector2> i_StartPixelPositions, eCollisionDirection i_Direction, int i_Length)
{
Color[] spritePixels = io_Sprite.Pixels;
foreach (Vector2 position in i_StartPixelPositions)
{
int y = (int)position.Y, x = (int)position.X, index;
switch (i_Direction)
{
case eCollisionDirection.Top:
for (int i = 0; i < i_Length; i++, y++)
{
index = (x - io_Sprite.Bounds.Left) + ((y - io_Sprite.Bounds.Top) * io_Sprite.Bounds.Width);
if (index > -1 || !(index >= spritePixels.Length))
{
spritePixels[index].A = 0;
}
else
{
break;
}
}
break;
case eCollisionDirection.Bottom:
for (int i = 0; i < i_Length; i++, y--)
{
index = (x - io_Sprite.Bounds.Left) + ((y - io_Sprite.Bounds.Top) * io_Sprite.Bounds.Width);
if (index > -1 && !(index >= spritePixels.Length))
{
spritePixels[index].A = 0;
}
else
{
break;
}
}
break;
}
}
io_Sprite.Pixels = spritePixels;
}
