private void onCollidedWithBarrier(ICollidable i_Collidable)
{
Barrier barrier = i_Collidable as Barrier;
Texture2DPixels barrierPixels = barrier.TexturePixels;
Rectangle intersectedRect;
r_CollisionsManager.GetIntersectedRect(barrier, this, out intersectedRect);
for (int y = 0; y < intersectedRect.Height; y++)
{
for (int x = 0; x < intersectedRect.Width; x++)
{
int currY = intersectedRect.Y + y;
int currX = intersectedRect.X + x;
if (currY >= 0 && currY < barrierPixels.Rows &&
currX >= 0 && currX < barrierPixels.Cols)
{
barrierPixels[currY, currX] = new Color(barrierPixels[currY, currX], 0);
}
}
}
barrier.Texture.SetData(barrierPixels.Pixels);
}
private void handleBarrierCollision(Barrier i_Barrier)
{
this.Enabled = false;
Texture2DPixels barrierPixels = i_Barrier.TexturePixels;
int maxYPixelsToDestroy = (int)(this.Height * k_DestroyBarrierPercentage);
int yDirection = this.MoveDirection == Sprite.Down ? (int)Sprite.Down.Y : (int)Sprite.Up.Y;
int bulletStartPixelY = this.MoveDirection == Sprite.Down ? (int)this.Position.Y - 2 : (int)this.Position.Y + 2;
int bulletStartPixelX = (int)this.Position.X;
int barrierStartPixelY = (int)i_Barrier.Position.Y;
int barrierStartPixelX = (int)i_Barrier.Position.X;
int maxXPixelsToDestory = bulletStartPixelX + (int)this.Width;
int pixelsToDestroyIfUp = bulletStartPixelY - maxYPixelsToDestroy;
int pixelsToDestroyIfDown = bulletStartPixelY + maxYPixelsToDestroy;
for (int currY = bulletStartPixelY; currY < pixelsToDestroyIfDown && currY >= pixelsToDestroyIfUp; currY += yDirection)
{
for (int currX = bulletStartPixelX; currX < maxXPixelsToDestory; currX++)
{
int barrierY = currY - barrierStartPixelY;
int barrierX = currX - barrierStartPixelX;
barrierX = barrierX < 0 ? barrierX + (int)this.Width - 1 : barrierX;
if (this.MoveDirection == Sprite.Down)
{
barrierY = barrierY + (int)this.Height - 1;
}
barrierY = (int)MathHelper.Clamp(barrierY, 0, i_Barrier.Height - 1);
barrierX = (int)MathHelper.Clamp(barrierX, 0, i_Barrier.Width - 1);
if (barrierPixels[barrierY, barrierX].A != 0)
{
barrierPixels[barrierY, barrierX] = new Color(barrierPixels[barrierY, barrierX], 0);
}
}
}
i_Barrier.Texture.SetData(i_Barrier.TexturePixels.Pixels);
this.Visible = false;
}
public void LevelReset()
{
if (m_SampleBarrierPixels == null)
{
m_SampleBarrierPixels = m_BarrierTexture.GetPixels(m_BarrierTexture.Bounds);
}
foreach (Barrier barrier in r_Barriers)
{
for (int row = 0; row < barrier.TexturePixels.Rows; row++)
{
for (int col = 0; col < barrier.TexturePixels.Cols; col++)
{
barrier.TexturePixels[row, col] = m_SampleBarrierPixels[row, col];
}
}
barrier.Texture.SetData(barrier.TexturePixels.Pixels);
}
}