public static CircleShape CreateColoredCircle(Scalar radius, ushort vertexCount)
{
CircleShape shape = new CircleShape(radius, vertexCount);
var reduced = VertexHelper.Reduce(shape.Vertexes);
var polygon = new ColoredPolygon(reduced, CreateColor3Array(reduced.Length));
shape.Tag = DrawableFactory.GetOrCreateColoredPolygonDrawable(polygon, Drawables.ShapeType.Mesh);
return shape;
}
public Bullet()
{
Coefficients coffecients = new Coefficients(/*restitution*/1, /*friction*/.5f);
CircleShape circleShape = new CircleShape(6f, 7);
float mass = 1f;
Body = new Body(new PhysicsState(), circleShape, mass, coffecients, new Lifespan());
Body.IsCollidable = true;
Body.CollisionIgnorer = new BulletIgnorer();
Body.Tag = "BulletTag";
Body.Collided += new System.EventHandler<CollisionEventArgs>(Body_Collided);
Origin.X = 14;
Origin.Y = 15;
}
public Player()
{
Coefficients coffecients = new Coefficients(/*restitution*/1, /*friction*/.5f);
CircleShape circleShape = new CircleShape(80, 9);
float mass = 10000;
Body = new Body(new PhysicsState(), circleShape, mass, coffecients, new Lifespan());
Body.IsCollidable = true;
Body.CollisionIgnorer = new PlayerIgnorer();
Body.Tag = "PlayerTag";
Body.Collided += new System.EventHandler<CollisionEventArgs>(Body_Collided);
Origin.X = 73;
Origin.Y = 73;
Health = 1000;
}
public static CircleShape CreateColoredCircle(Scalar radius, int vertexCount)
{
CircleShape shape = new CircleShape(radius, vertexCount);
shape.Tag = DrawableFactory.CreatePolygon(shape.Vertexes, CreateColor3Array(vertexCount));
return shape;
}
public static CircleShape CreateCircle(Scalar radius, int vertexCount, ScalarColor4[] colors)
{
CircleShape shape = new CircleShape(radius, vertexCount);
shape.Tag = DrawableFactory.CreatePolygon(shape.Vertexes, colors);
return shape;
}
public Arbiter(SequentialImpulsesSolver parent, Body body1, Body body2)
{
if (body1.ID < body2.ID)
{
this.body1 = body1;
this.body2 = body2;
}
else
{
this.body1 = body2;
this.body2 = body1;
}
this.tag1 = (SequentialImpulsesTag)this.body1.SolverTag;
this.tag2 = (SequentialImpulsesTag)this.body2.SolverTag;
this.circle1 = this.body1.Shape as CircleShape;
this.circle2 = this.body2.Shape as CircleShape;
this.friction = MathHelper.Sqrt(
this.body1.Coefficients.DynamicFriction *
this.body2.Coefficients.DynamicFriction);
this.restitution = Math.Min(body1.Coefficients.Restitution, body2.Coefficients.Restitution);
this.parent = parent;
this.contacts = new LinkedList<ContactPoint>();
this.lastUpdate = -1;
this.state = ContactState.New;
this.ignoresCollisionResponse = body1.IgnoresCollisionResponse || body2.IgnoresCollisionResponse;
}
Body AddCircle(Scalar radius, int vertexCount, Scalar mass, ALVector2D position)
{
IShape circleShape = new CircleShape(radius, vertexCount); ;
Body e =
new Body(
new PhysicsState(position),
circleShape,
mass,
coefficients.Duplicate(),
new Lifespan());
AddGlObject(e);
engine.AddBody(e);
return e;
}
void AddCircles_StressTest()
{
Scalar box = 550;
Scalar xmin = 0;
Scalar xmax = box;
Scalar ymin = 0;
Scalar ymax = box;
Scalar size = 15;
Scalar spacing = 2;
// Particle shape = new Particle();
CircleShape shape = new CircleShape(7, 10);
List<Body> bodies = new List<Body>();
for (Scalar x = xmin; x < xmax; x += spacing + size)
{
for (Scalar y = ymax; y > ymin; y -= spacing + size)
{
Body e =
new Body(
new PhysicsState(new ALVector2D(0, new Vector2D(x, y))),
shape,
20,
coefficients.Duplicate(),
new Lifespan());
bodies.Add(e);
}
}
AddGlObjectRange(bodies);
engine.AddBodyRange(bodies);
}
