public static bool Collide(CircleF c1, CircleF c2)
{
float distanceX = c1.X - c2.X;
float distanceY = c1.Y - c2.Y;
float combinedradius = c1.Radius + c2.Radius;
float distanceSquared = (distanceX * distanceX) + (distanceY * distanceY);
return distanceSquared < (combinedradius * combinedradius);
}
public static bool Collide(CircleF c, RectangleF r)
{
// Find the closest point to the circle within the rectangle
float closestX = MathHelper.Clamp(c.X, r.Left, r.Right);
float closestY = MathHelper.Clamp(c.Y, r.Top, r.Bottom);
// Calculate the distance between the circle's center and this closest point
float distanceX = c.X - closestX;
float distanceY = c.Y - closestY;
// If the distance is less than the circle's radius, an intersection occurs
float distanceSquared = (distanceX * distanceX) + (distanceY * distanceY);
return distanceSquared < (c.Radius * c.Radius);
}
