static public void add_box(cpSpace space, int index, float size)
{
float mass = size * size / 100.0f;
cpBody body = space.AddBody(new cpBody(mass, cp.MomentForBox(mass, size, size)));
// cpBody body = cpSpaceAddBody(space, cpBodyInit(&bodies[i], mass, cpMomentForBox(mass, size, size)));
body.SetPosition(cpVect.cpvmult(cp.frand_unit_circle(), 180.0f));
cpPolyShape shape = space.AddShape(cpPolyShape.BoxShape(body, size - bevel * 2f, size - bevel * 2f, 0f)) as cpPolyShape;
shape.SetRadius(bevel);
shape.SetElasticity(0.0f);
shape.SetFriction(0.9f);
}
protected override void AddedToScene()
{
base.AddedToScene();
//PositionX += (windowSize.Width - 640) * .5d; //new CCPoint(150, 150);
space.SetIterations(60);
space.SetGravity(new cpVect(0, -500));
space.SetSleepTimeThreshold(0.5f);
space.SetCollisionSlop(0.5f);
space.SetSleepTimeThreshold(0.5f);
this.addFloor();
this.addWalls();
float width = 50;
float height = 60;
float mass = width * height * 1f / 1000f;
var rock = space.AddBody(new cpBody(mass, cp.MomentForBox(mass, width, height)));
rock.SetPosition(new cpVect(200, 0));
rock.SetAngle(1);
cpPolyShape shape = space.AddShape(cpPolyShape.BoxShape(rock, width, height, 0.0f)) as cpPolyShape;
shape.SetFriction(0.3f);
shape.SetElasticity(0.3f);
//shape.SetFilter(NOT_GRABBABLE_FILTER); //The box cannot be dragg
for (var i = 1; i <= 6; i++)
{
float radius = 20f;
mass = 3;
var body = space.AddBody(new cpBody(mass, cp.MomentForCircle(mass, 0f, radius, cpVect.Zero)));
body.SetPosition(new cpVect(i, (2 * radius + 5) * 1));
cpCircleShape circle = space.AddShape(new cpCircleShape(body, radius, cpVect.Zero)) as cpCircleShape;
circle.SetElasticity(0.8f);
circle.SetFriction(1);
}
var ramp = space.AddShape(new cpSegmentShape(space.GetStaticBody(), new cpVect(0, 0), new cpVect(300, 200), 10));
ramp.SetElasticity(1f);
ramp.SetFriction(1f);
ramp.SetFilter(NOT_GRABBABLE_FILTER);
Schedule();
}
static public void add_hexagon(cpSpace space, int index, float radius)
{
cpVect[] hexagon = new cpVect[6];
for (int i = 0; i < 6; i++)
{
float angle = -(float)Math.PI * 2.0f * i / 6.0f;
hexagon[i] = cpVect.cpvmult(cpVect.cpv(cp.cpfcos(angle), cp.cpfsin(angle)), radius - bevel);
}
float mass = radius * radius;
cpBody body = space.AddBody(new cpBody(mass, cp.MomentForPoly(mass, 6, hexagon, cpVect.Zero, 0.0f)));
body.SetPosition(cpVect.cpvmult(cp.frand_unit_circle(), 180.0f));
cpPolyShape shape = space.AddShape(new cpPolyShape(body, 6, hexagon, cpTransform.Identity, bevel)) as cpPolyShape;
shape.SetElasticity(0.0f);
shape.SetFriction(0.9f);
}
