//Box vs Circle
public override bool Collides(CircleCollider circle, ref Collision collisionInfo)
{
float deltaX = circle.Position.X - Math.Max(
Position.X - halfWidth,
Math.Min(circle.Position.X, Position.X + halfWidth)
);
float deltaY = circle.Position.Y - Math.Max(
Position.Y - halfHeight,
Math.Min(circle.Position.Y, Position.Y + halfHeight)
);
// RAD(x2 + y2) < r
// x2 + y2 < r2
return((deltaX * deltaX + deltaY * deltaY) < (circle.Radius * circle.Radius));
}
public override bool Collides(CircleCollider circle, ref Collision collisionInfo)
{
return(circle.Collides(BoundingCollider, ref collisionInfo) && InnerCollidersCollide(circle, ref collisionInfo));
}
public abstract bool Collides(CircleCollider circle, ref Collision collisionInfo);
//Circle vs Circle
public override bool Collides(CircleCollider other, ref Collision collisionInfo)
{
Vector2 dist = other.Position - Position;
return(dist.LengthSquared <= Math.Pow(Radius + other.Radius, 2));
}
