public static bool isColliding(CollidingRectangle r, CollidingCircle c)
{
//Change to int for efficiency?
Vector2 rLoc = new Vector2(r.absLoc.X + r.Width / 2, r.absLoc.Y + r.Height / 2);
float circleDistanceX = Math.Abs(c.absLoc.X - rLoc.X);
float circleDistanceY = Math.Abs(c.absLoc.Y - rLoc.Y);
// float circleDistanceX = Math.Abs(c.absLoc.X - r.absLoc.X);
// float circleDistanceY = Math.Abs(c.absLoc.Y - r.absLoc.Y);
if (circleDistanceX > (r.Width / 2 + c.radius)) //Comparing float and int, will lose some precision
{
return(false);
}
if (circleDistanceY > (r.Height / 2 + c.radius))
{
return(false);
}
if (circleDistanceX <= (r.Width / 2))
{
return(true);
}
if (circleDistanceY <= (r.Height / 2))
{
return(true);
}
float cornerDistance_sq = (float)(Math.Pow((double)(circleDistanceX - r.Width / 2), 2) +
Math.Pow(circleDistanceY - r.Height / 2, 2));
return(cornerDistance_sq <= Math.Pow(c.radius, 2));
}
public static bool isColliding(CollidingRectangle r1, CollidingRectangle r2)
{
return(r1.rect.Intersects(r2.rect));
}