public override void Update(float dt) { base.Update(dt); if (CCMouse.Instance.rightclick) { cpPointQueryInfo info = null; cpShape nearest = space.PointQueryNearest(CCMouse.Instance.Position, 0.0f, GRAB_FILTER, ref info); if (nearest != null) { cpBody body = nearest.GetBody(); // cpShapeGetBody(); if (body.bodyType == cpBodyType.STATIC) { body.SetBodyType(cpBodyType.DYNAMIC); body.SetMass(pentagon_mass); body.SetMoment(pentagon_moment); } else if (body.bodyType == cpBodyType.DYNAMIC) { body.SetBodyType(cpBodyType.STATIC); } } } space.EachBody(eachBody, null); space.Step(dt); }