static cpSpace NoCollide(cpSpace space) { space.SetIterations(10); var handler = space.AddCollisionHandler(2, 2); //, (a, s, o) => NoCollide_begin(a, s, o), null, null, null); handler.beginFunc = NoCollide_begin; float radius = 4.5f; var staticBody = space.GetStaticBody(); space.AddShape(new cpSegmentShape(staticBody, new cpVect(-330 - radius, -250 - radius), new cpVect(330 + radius, -250 - radius), 0.0f)).SetElasticity(1.0f); space.AddShape(new cpSegmentShape(staticBody, new cpVect(330 + radius, 250 + radius), new cpVect(330 + radius, -250 - radius), 0.0f)).SetElasticity(1.0f); space.AddShape(new cpSegmentShape(staticBody, new cpVect(330 + radius, 250 + radius), new cpVect(-330 - radius, 250 + radius), 0.0f)).SetElasticity(1.0f); space.AddShape(new cpSegmentShape(staticBody, new cpVect(-330 - radius, -250 - radius), new cpVect(-330 - radius, 250 + radius), 0.0f)).SetElasticity(1.0f); for (int x = -320; x <= 320; x += 20) { for (int y = -240; y <= 240; y += 20) { space.AddShape(new cpCircleShape(staticBody, radius, new cpVect(x, y))); } } for (int y = 10 - 240; y <= 240; y += 40) { float mass = 7.0f; cpBody body = space.AddBody(new cpBody(mass, cp.MomentForCircle(mass, 0.0f, radius, cpVect.Zero))); body.SetPosition(new cpVect(-320.0f, y)); body.SetVelocity(new cpVect(100.0f, 0.0f)); cpShape shape = space.AddShape(new cpCircleShape(body, radius, cpVect.Zero)); shape.SetElasticity(1.0f); shape.SetCollisionType(2); } for (int x = 30 - 320; x <= 320; x += 40) { float mass = 7.0f; cpBody body = space.AddBody(new cpBody(mass, cp.MomentForCircle(mass, 0.0f, radius, cpVect.Zero))); body.SetPosition(new cpVect(x, -240.0f)); body.SetVelocity(new cpVect(0.0f, 100.0f)); cpShape shape = space.AddShape(new cpCircleShape(body, radius, cpVect.Zero)); shape.SetElasticity(1.0f); shape.SetCollisionType(2); } return(space); }