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);
}
public void SliceShapePostStep(cpSpace space, cpShape shape, SliceContext context)
{
cpVect a = context.a;
cpVect b = context.b;
// Clipping plane normal and distance.
cpVect n = cpVect.cpvnormalize(cpVect.cpvperp(cpVect.cpvsub(b, a)));
float dist = cpVect.cpvdot(a, n);
ClipPoly(space, shape, n, dist);
ClipPoly(space, shape, cpVect.cpvneg(n), -dist);
cpBody body = shape.GetBody();
space.RemoveShape(shape);
space.RemoveBody(body);
}