public CCPhysicsSprite addGrossiniAtPosition(CCPoint location)
{
int posx, posy;
posx = CCRandom.Next() * 200;
posy = CCRandom.Next() * 200;
posx = (Math.Abs(posx) % 4) * 85;
posy = (Math.Abs(posy) % 3) * 121;
CCPhysicsSprite sp = new CCPhysicsSprite(spriteTexture.Texture, new CCRect(posx, posy, 85, 121));
cpBB verts = new cpBB(-24, -54, 24, 54);
var body = new cpBody(1, cp.MomentForBox2(1, new cpBB(-24, -54, 24, 54))); //);
body.SetPosition(new cpVect(posx, posy));
space.AddBody(body);
var shape = cpPolyShape.BoxShape2(body, verts, 0);
shape.e = .5f;
shape.u = .5f;
space.AddShape(shape);
sp.Body = body;
AddChild(sp);
sp.Position = location;
return(sp);
}
private void AddBall()
{
//Ball
float ballDiameter = _gameWidth * BALL_RADIUS_PERCENT;
float ballCenterX = _gameWidth * BALL_X_PERCENT;
float ballCenterY = ballDiameter / 2 + BALL_Y_MARGIN;
var def = new b2BodyDef();
def.position = new b2Vec2(ballCenterX / App.PTM_RATIO, ballCenterY / App.PTM_RATIO);
def.type = b2BodyType.b2_dynamicBody;
b2Body physBody = _world.CreateBody(def);
//Circle Physics Shape
var shape = new b2CircleShape();
shape.Radius = ballDiameter / 2 / App.PTM_RATIO;
var fd = new b2FixtureDef();
fd.shape = shape;
fd.density = 1f;
fd.restitution = BALL_RECOIL;
fd.friction = BALL_FRICTION;
physBody.CreateFixture(fd);
_contactListener.Ball = physBody;
CCTexture2D ballTex = null;
if (string.IsNullOrWhiteSpace(_ballFilename))
{
ballTex = new CCTexture2D("soccer");
}
else
{
FileStream fs = new FileStream(_ballFilename, FileMode.Open);
ballTex = new CCTexture2D(fs);
}
_ballN = new CCPhysicsSprite(ballTex, physBody)
{
PositionX = ballCenterX,
PositionY = ballCenterY,
ContentSize = new CCSize(ballDiameter, ballDiameter)
};
AddChild(_ballN);
}
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;
}
private void AddShape(b2World world, CCPoint position)
{
b2Vec2 positionVec = new b2Vec2(position.X, position.Y);
var box = new CCPhysicsSprite("hd/images/cloud", IntroLayer.PTM_RATIO);
box.Position = position;
var def = new b2BodyDef();
def.position = new b2Vec2(positionVec.x / IntroLayer.PTM_RATIO, positionVec.y / IntroLayer.PTM_RATIO);
def.linearVelocity = new b2Vec2(0.0f, -1.0f);
def.type = b2BodyType.b2_dynamicBody;
b2Body body = world.CreateBody(def);
// Polygon Shape
//var shape = new b2PolygonShape();
//shape.SetAsBox(50f / IntroLayer.PTM_RATIO, 50f / IntroLayer.PTM_RATIO);
// Circle Shape
var shape = new b2CircleShape();
shape.Radius = 50f / IntroLayer.PTM_RATIO;
var fd = new b2FixtureDef();
fd.shape = shape;
fd.density = 1f;
fd.restitution = 0f;
fd.friction = 0.2f;
body.CreateFixture(fd);
box.PhysicsBody = body;
sprites.Add(box);
AddChild(box);
}
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)));
}