public LinearSpring CreateLinearSpring(Body body1, Vector2 attachPoint1, Body body2, Vector2 attachPoint2,
float springConstant, float dampingConstant)
{
LinearSpring linearSpring = new LinearSpring(body1, attachPoint1, body2, attachPoint2, springConstant,
dampingConstant);
return linearSpring;
}
public LinearSpringBrush AddLinearSpringBrushToCanvas(LinearSpring spring)
{
LinearSpringBrush fls = new LinearSpringBrush();
fls.LinearSpring = spring;
Children.Add(fls);
drawingList.Add(fls);
return fls;
}
public override void LoadContent()
{
_chainTexture = DrawingHelper.CreateRectangleTexture(ScreenManager.GraphicsDevice, 20, 10, Color.White,
Color.Black);
_obstaclesTexture = DrawingHelper.CreateRectangleTexture(ScreenManager.GraphicsDevice, 40, 40, Color.Brown,
Color.Black);
_wheelTexture = DrawingHelper.CreateCircleTexture(ScreenManager.GraphicsDevice, 45, 2, Color.White, Color.Black);
_chainOrigin = new Vector2(_chainTexture.Width / 2f, _chainTexture.Height / 2f);
_wheelOrigin = new Vector2(_wheelTexture.Width / 2f, _wheelTexture.Height / 2f);
_obstaclesOrigin = new Vector2(_obstaclesTexture.Width / 2f, _obstaclesTexture.Height / 2f);
Vector2 center = new Vector2(400, 500);
_controlPoints = new Vertices();
_controlPoints.Add(new Vector2(-15, -50) + center);
_controlPoints.Add(new Vector2(-50, -50) + center);
_controlPoints.Add(new Vector2(-100, -25) + center);
_controlPoints.Add(new Vector2(-100, 25) + center);
_controlPoints.Add(new Vector2(-50, 50) + center);
_controlPoints.Add(new Vector2(50, 50) + center);
_controlPoints.Add(new Vector2(100, 25) + center);
_controlPoints.Add(new Vector2(100, -25) + center);
_controlPoints.Add(new Vector2(50, -50) + center);
_controlPoints.Add(new Vector2(-10, -50) + center);
_track = ComplexFactory.Instance.CreateTrack(PhysicsSimulator, _controlPoints, 20.0f, 10.0f, 3.0f, true, 2, LinkType.RevoluteJoint);
foreach (Geom g in _track.Geoms)
g.FrictionCoefficient = 1.0f;
_wheel1 = BodyFactory.Instance.CreateCircleBody(PhysicsSimulator, 45, 30);
_wheel1.Position = new Vector2(-50, 0) + center;
_wheel2 = BodyFactory.Instance.CreateCircleBody(PhysicsSimulator, 45, 30);
_wheel2.Position = new Vector2(50, 0) + center;
_wheelg = GeomFactory.Instance.CreateCircleGeom(PhysicsSimulator, _wheel1, 45, 36);
_wheelg.FrictionCoefficient = 1.0f;
_wheelg = GeomFactory.Instance.CreateCircleGeom(PhysicsSimulator, _wheel2, 45, 36);
_wheelg.FrictionCoefficient = 1.0f;
_spring = SpringFactory.Instance.CreateLinearSpring(PhysicsSimulator, _wheel1, new Vector2(), _wheel2, new Vector2(), 5200, 3050);
_spring.RestLength += 20;
_obstacles = new GenericList<Body>(8);
base.LoadContent();
}
