public override bool MouseDown(MouseInputEventArgs e)
{
if (!ClientArea.Contains(new Point((int)e.Position.X, (int)e.Position.Y)))
{
return(false);
}
var spritePosition = new Point((int)e.Position.X - Position.X + (int)_elementSprite.ImageOffset.X,
(int)e.Position.Y - Position.Y + (int)_elementSprite.ImageOffset.Y);
Image.ImageLockBox imgData = _elementSprite.Image.GetImageData();
imgData.Lock(false);
Color pixColour = Color.FromArgb((int)(imgData[spritePosition.X, spritePosition.Y]));
imgData.Dispose();
imgData.Unlock();
if (pixColour.A != 0)
{
if (Clicked != null)
{
Clicked(this);
}
_clickPoint = new Point((int)e.Position.X - Position.X, (int)e.Position.Y - Position.Y);
_selected = true;
return(true);
}
_selected = false;
return(false);
}
public static bool SpritePixelHit(Sprite toCheck, Vector2D clickPos)
{
var clickPoint = new PointF(clickPos.X, clickPos.Y);
if (!toCheck.AABB.Contains(clickPoint))
{
return(false);
}
var spritePosition = new Point((int)clickPos.X - (int)toCheck.Position.X + (int)toCheck.ImageOffset.X,
(int)clickPos.Y - (int)toCheck.Position.Y + (int)toCheck.ImageOffset.Y);
Image.ImageLockBox imgData = toCheck.Image.GetImageData();
imgData.Lock(false);
Color pixColour = Color.FromArgb((int)(imgData[spritePosition.X, spritePosition.Y]));
imgData.Dispose();
imgData.Unlock();
return(pixColour.A != 0);
}
protected virtual bool WasClicked(PointF worldPos)
{
if (currentBaseSprite == null || !visible)
{
return(false);
}
Sprite spriteToCheck = GetActiveDirectionalSprite();
var AABB =
new RectangleF(
Owner.GetComponent <TransformComponent>(ComponentFamily.Transform).Position.X -
(spriteToCheck.Width / 2),
Owner.GetComponent <TransformComponent>(ComponentFamily.Transform).Position.Y -
(spriteToCheck.Height / 2), spriteToCheck.Width, spriteToCheck.Height);
if (!AABB.Contains(worldPos))
{
return(false);
}
var spritePosition = new Point((int)(worldPos.X - AABB.X + spriteToCheck.ImageOffset.X),
(int)(worldPos.Y - AABB.Y + spriteToCheck.ImageOffset.Y));
Image.ImageLockBox imgData = spriteToCheck.Image.GetImageData();
imgData.Lock(false);
Color pixColour = Color.FromArgb((int)(imgData[spritePosition.X, spritePosition.Y]));
imgData.Dispose();
imgData.Unlock();
if (pixColour.A == 0)
{
return(false);
}
return(true);
}
