/// <summary>
/// Checking ball colision with specified colidable object
/// </summary>
/// <param name="obj">Colidable object to check collisions against.</param>
/// <returns></returns>
private bool CheckBallColisionWith(IColidableObject obj)
{
int ballBotSide = ball.Position.Y + ball.Size.Height;
int ballTopSide = ball.Position.Y;
int ballLeftSide = ball.Position.X;
int ballRightSide = ball.Position.X + ball.Size.Width;
int objectBotSide = obj.Position.Y + obj.Size.Height;;
int objectTopSide = obj.Position.Y;
int objectLeftSide = obj.Position.X;
int objectRightSide = obj.Position.X + obj.Size.Width;
int leftSideDist = GetDistance(objectLeftSide, ballRightSide);
int rightSideDist = GetDistance(objectRightSide, ballLeftSide);
int topSideDist = GetDistance(objectTopSide, ballBotSide);
int botSideDist = GetDistance(objectBotSide, ballTopSide);
if (ballBotSide >= objectTopSide && ballTopSide <= objectBotSide &&
ballRightSide >= objectLeftSide && ballLeftSide <= objectRightSide)
{
var ballBounceSide = DecideColisonSide(leftSideDist, rightSideDist, topSideDist, botSideDist);
ball.Bounce(ballBounceSide);
BallColisionCorrection(ballBounceSide);
return(true);
}
return(false);
}
/// <summary>
/// Draw object into canvas.
/// </summary>
/// <param name="obj"></param>
public void Draw(IColidableObject obj)
{
switch (obj.Shape)
{
case Shape.RECT:
render.FillRectangle(obj.Position.X, obj.Position.Y, obj.Position.X + obj.Size.Width, obj.Position.Y + obj.Size.Height, SetColor(obj.Color));
break;
case Shape.ELLIPSE:
render.FillEllipse(obj.Position.X, obj.Position.Y, obj.Position.X + obj.Size.Height, obj.Position.Y + obj.Size.Height, SetColor(obj.Color));
break;
default:
break;
}
}
