public Player(World world, Vector2 position)
{
// create the user data
UserData userData = new UserData();
userData.thing = this;
// create the body
body = BodyFactory.CreateBody(world, position, 0, userData);
body.IsStatic = false;
body.FixedRotation = true;
// create the body fixture
Fixture bodyFixture = body.CreateFixture(CreateBodyShape(), userData);
bodyFixture.Friction = PlayerConstants.FRICTION;
// create the landing fixture
landingFixture = body.CreateFixture(CreateLandingShape(), userData);
landingFixture.IsSensor = true;
landingFixture.OnCollision += OnLandingCollision;
InitializeUnbounded();
}
protected Ribbon(World world, List<Vector2> path, float start, float end)
{
this.points = path;
this.start = start;
this.end = end;
for (int i = 0; i < points.Count; i++)
{
Vector2 v = points[(i + 1) % points.Count] - points[i];
v.Normalize();
orientations.Add(v);
float dist = Vector2.Distance(points[i], points[(i + 1) % points.Count]);
length += dist;
intervals.Add(dist);
}
UserData userData = new UserData();
userData.thing = this;
body = new Body(world);
body.UserData = userData;
body.IsStatic = true;
}
/// <summary>
/// Updates physical fixtures.
/// </summary>
protected virtual void UpdateBody()
{
//if not moving
if (Math.Abs(speed) < RibbonConstants.STILLTHRESHOLD)
{
//if the ribbon isn't moving, we don't need so many fixtures
while (fixtures.Count > 1)
{
(fixtures.Dequeue()).Dispose();
}
}
else
{
UserData userData = new UserData();
userData.thing = this;
Shape shape = GenerateShape();
fixtures.Enqueue(body.CreateFixture(shape, userData));
while (fixtures.Count > RibbonConstants.FIXTUREOVERLAY)
{
(fixtures.Dequeue()).Dispose();
}
}
}
/// <summary>
/// Creates the initial fixture for the ribbon.
/// </summary>
protected void InitializeRibbon()
{
UserData userData = new UserData();
userData.thing = this;
Shape shape = GenerateShape();
fixtures.Enqueue(body.CreateFixture(shape, userData));
}