void AddNewSpriteAt(PointF pos)
{
int posx, posy;
var parent = GetChild(parentnode) as CCSpriteBatchNode;
posx = (int)(rnd.NextDouble() * 200.0f);
posy = (int)(rnd.NextDouble() * 200.0f);
posx = (posx % 4) * 85;
posy = (posy % 3) * 121;
var sprite = new CCPhysicsSprite (parent.Texture, new RectangleF (posx, posy, 85, 121));
//this used to work, but crashes now, as it sets the Body's position and the Body isn't set yet :/
//sprite.Position = pos;
parent.Add(sprite);
PointF[] verts = {
new PointF(-24,-54),
new PointF(-24, 54),
new PointF( 24, 54),
new PointF( 24,-54),
};
var body = new Body(1, Helper.MomentForPolygon(1f, verts, PointF.Empty)) {Position=pos};
space.Add(body);
var shape = new PolygonShape(body, verts, PointF.Empty) {
Elasticity = .5f,
Friction =.5f
};
space.Add(shape);
sprite.Body = body;
}
public MachineLayer()
{
space = new Space () {
Gravity = new PointF (0, -10),
};
Add ( new CCSprite ("bg.jpg") {
Position = UIDevice.CurrentDevice.IsIPad() ? new PointF(512, 384) : new PointF(240, 160),
});
//motorblock, no body, no shape
var motorblock = new CCSprite ("motor_block.png") {
Position = UIDevice.CurrentDevice.IsIPad() ? new PointF (160, 460) : new PointF (80, 230),
};
Add (motorblock);
//motorwheel
var motorwheel = new CCPhysicsSprite ("motor_wheel.png") {
Body = new Body (1, Helper.MomentForCircle (1, 20, 20, PointF.Empty)),
Position = UIDevice.CurrentDevice.IsIPad() ? new PointF (160, 460) : new PointF (80, 230),
};
Add (motorwheel);
space.Add (motorwheel.Body);
space.Add (new CircleShape (motorwheel.Body, UIDevice.CurrentDevice.IsIPad() ? 20 : 10, PointF.Empty) {Group = 1});
space.Add ((Constraint)new PivotJoint (space.StaticBody, motorwheel.Body, UIDevice.CurrentDevice.IsIPad() ? new PointF (160,460) : new PointF (80, 230)));
space.Add ((Constraint)new SimpleMotor (space.StaticBody, motorwheel.Body, 10f));
//wheel
var wheel = new CCPhysicsSprite ("wheel.png") {
Body = new Body (25, Helper.MomentForCircle (25, 140, 140, PointF.Empty)),
Position = UIDevice.CurrentDevice.IsIPad() ? new PointF (160, 300) : new PointF (80, 150),
};
space.Add (wheel.Body);
space.Add (new CircleShape (wheel.Body, UIDevice.CurrentDevice.IsIPad() ? 140 : 70, PointF.Empty){Group = 1});
Add (wheel);
space.Add ((Constraint)new PivotJoint (space.StaticBody, wheel.Body, UIDevice.CurrentDevice.IsIPad() ? new PointF (160, 300) : new PointF (80, 150)));
space.Add ((Constraint)new GearJoint (motorwheel.Body, wheel.Body, 0f, -7f));
//cylinder. no physics body. only a shape
Add (new CCSprite ("cylinder.png") {
Position = UIDevice.CurrentDevice.IsIPad() ? new PointF (570, 300) : new PointF (285, 150),
});
//space.Add (new PolygonShape (space.StaticBody, new [] {
// new PointF (350, 160),
// new PointF (350, 200),
// new PointF (750, 200),
// new PointF (750, 160),
//}, PointF.Empty));
//
//space.Add (new PolygonShape (space.StaticBody, new [] {
// new PointF (350, 400),
// new PointF (350, 440),
// new PointF (750, 440),
// new PointF (750, 400),
//}, PointF.Empty));
//piston
var piston = new CCPhysicsSprite ("piston.png") {
Body = new Body (8, float.PositiveInfinity), //never rotates
Position = UIDevice.CurrentDevice.IsIPad() ? new PointF (370, 300) : new PointF (185, 150),
};
space.Add (piston.Body);
space.Add (new PolygonShape (piston.Body, UIDevice.CurrentDevice.IsIPad() ? 100 : 50, UIDevice.CurrentDevice.IsIPad() ? 200 : 50) {Group = 1});
Add (piston);
//conrod
var conrod = new CCPhysicsSprite ("conrod.png") {
Body = new Body (4, Helper.MomentForPolygon (4, new[] {
new PointF (-160,-20),
new PointF (-160, 20),
new PointF (160, 20),
new PointF (160, -20),
}, PointF.Empty)),
Position = UIDevice.CurrentDevice.IsIPad() ? new PointF (190, 300) : new PointF (95, 150)
};
space.Add (conrod.Body);
space.Add (new PolygonShape (conrod.Body, UIDevice.CurrentDevice.IsIPad() ? 320 : 160, UIDevice.CurrentDevice.IsIPad() ? 40 : 20) {Group = 1});
Add (conrod);
space.Add ((Constraint)new PivotJoint (wheel.Body, conrod.Body, UIDevice.CurrentDevice.IsIPad() ? new PointF (40, 300) : new PointF (20, 150)));
space.Add ((Constraint)new PivotJoint (conrod.Body, piston.Body, UIDevice.CurrentDevice.IsIPad() ? new PointF (340, 300) : new PointF (170, 150)));
space.Add ((Constraint)new GrooveJoint (space.StaticBody,
piston.Body,
UIDevice.CurrentDevice.IsIPad() ? new PointF (0, 300) : new PointF (0, 150),
UIDevice.CurrentDevice.IsIPad() ? new PointF (1024, 300) : new PointF (480, 150),
UIDevice.CurrentDevice.IsIPad() ? new PointF (0, 0): new PointF (0, 0)));
}