private CollisionInfo GetCircleOverlap(Circle other)
{
Vec2 separation = other.position - this.position;
Vec2 normal = separation.NewNormalized();
float distance = separation.Dot(normal) - radius - other.radius;
return(new CollisionInfo(normal, distance));
}
private CollisionInfo GetBoxOverlap(Box other)
{
Vec2 circlePoint = new Vec2(Mathf.Clamp(position.x, other.x - other.halfWidth, other.x + other.halfWidth),
Mathf.Clamp(position.y, other.y - other.halfHeight, other.y + other.halfHeight));
Vec2 distance = circlePoint - this.position;
if (distance.Length() < radius)
{
return(new CollisionInfo(distance.NewNormalized(), -(radius - distance.Length()), true));
}
return(null);
}
