Exemplo n.º 1
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            if (StepCount == 12)
            {
                StepCount += 0;
            }

            base.Update(settings, gameTime);

            if (Distance.GJKCalls > 0)
            {
                DebugView.DrawString(50, TextLine, "GJK calls = {0}, Ave GJK iters = {1}, Max GJK iters = {2}",
                                     Distance.GJKCalls, Distance.GJKIters / (float)Distance.GJKCalls,
                                     Distance.GJKMaxIters);
                TextLine += 15;
            }

            if (TimeOfImpact.TOICalls > 0)
            {
                DebugView.DrawString(50, TextLine, "TOI calls = {0}, Ave TOI iters = {1}, Max TOI iters = {2}",
                                     TimeOfImpact.TOICalls, TimeOfImpact.TOIIters / (float)TimeOfImpact.TOICalls,
                                     TimeOfImpact.TOIMaxRootIters);
                TextLine += 15;

                DebugView.DrawString(50, TextLine, "Ave TOI root iters = {0}, Max TOI root iters = {1}",
                                     TimeOfImpact.TOIRootIters / (float)TimeOfImpact.TOICalls,
                                     TimeOfImpact.TOIMaxRootIters);
                TextLine += 15;
            }

            if (StepCount % 60 == 0)
            {
                //Launch();
            }
        }
Exemplo n.º 2
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            base.Update(settings, gameTime);

            PolygonShape shape = new PolygonShape(new Vertices(_points), 0f);

            DebugView.DrawString(5, TextLine, "Press g to generate a new random convex hull");
            TextLine += 15;

            DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
            DebugView.DrawPolygon(shape.Vertices.ToArray(), shape.Vertices.Count, new Color(0.9f, 0.9f, 0.9f));

            for (int i = 0; i < _count; ++i)
            {
                DebugView.DrawPoint(_points[i], 0.1f, new Color(0.9f, 0.5f, 0.5f));
                Vector2 position = GameInstance.ConvertWorldToScreen(_points[i]);
                DebugView.DrawString((int)position.X, (int)position.Y, i.ToString());
            }

            DebugView.EndCustomDraw();

            if (shape.Vertices.IsConvex() == false)
            {
                TextLine += 0;
            }

            if (_auto)
            {
                Generate();
            }
        }
Exemplo n.º 3
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            Manifold manifold = new Manifold();
            Collision.Collision.CollidePolygons(ref manifold, _polygonA, ref _transformA, _polygonB, ref _transformB);

            Vector2 normal;
            FixedArray2<Vector2> points;
            Collision.Collision.GetWorldManifold(ref manifold, ref _transformA, _polygonA.Radius,
                                                 ref _transformB, _polygonB.Radius, out normal, out points);

            DebugView.DrawString(50, TextLine, "Point count = {0:n0}", manifold.PointCount);
            TextLine += 15;
            DebugView.BeginCustomDraw();
            {
                Color color = new Color(0.9f, 0.9f, 0.9f);
                Vector2[] v = new Vector2[Settings.MaxPolygonVertices];
                for (int i = 0; i < _polygonA.Vertices.Count; ++i)
                {
                    v[i] = MathUtils.Multiply(ref _transformA, _polygonA.Vertices[i]);
                }
                DebugView.DrawPolygon(v, _polygonA.Vertices.Count, color);

                for (int i = 0; i < _polygonB.Vertices.Count; ++i)
                {
                    v[i] = MathUtils.Multiply(ref _transformB, _polygonB.Vertices[i]);
                }
                DebugView.DrawPolygon(v, _polygonB.Vertices.Count, color);
            }

            for (int i = 0; i < manifold.PointCount; ++i)
            {
                DebugView.DrawPoint(points[i], 0.1f, new Color(0.9f, 0.3f, 0.3f));
            }
            DebugView.EndCustomDraw();
        }
 public override void Update(GameSettings settings, GameTime gameTime)
 {
     base.Update(settings, gameTime);
     DebugView.DrawString(50, TextLine,
                          "Segments: " + _segments +
                          "\nPress: 'A' to increase segments, 'S' decrease segments\n'D' to create rectangle. 'F' to create capsule.");
     TextLine += 15;
 }
Exemplo n.º 5
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            Body body = BodyFactory.CreateCircle(World, 0.4f, 1);
            body.Position = new Vector2(Rand.RandomFloat(-35, 35), 10);
            body.BodyType = BodyType.Dynamic;
            body.Restitution = 1f;

            base.Update(settings, gameTime);
        }
Exemplo n.º 6
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            base.Update(settings, gameTime);

            float ratio = _joint1.Ratio;
            float l = _joint1.LengthA + ratio * _joint1.LengthB;
            DebugView.DrawString(50, TextLine, "L1 + {0:n} * L2 = {1:n}", ratio, l);
            TextLine += 15;
        }
Exemplo n.º 7
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            _time += 0.01f;
            if (_time > 1f)
                _time = 0;

            PathManager.MoveBodyOnPath(_path, _movingBody, _time, 1f, 1f / 60f);

            base.Update(settings, gameTime);
        }
Exemplo n.º 8
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            base.Update(settings, gameTime);

            if (_count < Count)
            {
                Body box = BodyFactory.CreateRectangle(World, 0.125f * 2, 0.125f * 2, 1, new Vector2(0, 10));
                box.BodyType = BodyType.Dynamic;
                ++_count;
            }
        }
Exemplo n.º 9
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            DebugView.DrawString(50, TextLine,
                                 "SimpleWindForce | Mouse: Direction | Left-Click: Position | W/S: Variation");
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "Wind Strength:" + _simpleWind.Strength);
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "Variation:" + _simpleWind.Variation);

            DebugView.BeginCustomDraw();
            //DebugView.DrawSegment(SimpleWind.Position, SimpleWind.Direction-SimpleWind.Position, Color.Red);
            DrawPointForce();
            DebugView.EndCustomDraw();
            base.Update(settings, gameTime);
        }
Exemplo n.º 10
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            base.Update(settings, gameTime);

            DistanceInput input = new DistanceInput();
            input.ProxyA.Set(_polygonA, 0);
            input.ProxyB.Set(_polygonB, 0);
            input.TransformA = _transformA;
            input.TransformB = _transformB;
            input.UseRadii = true;
            SimplexCache cache;
            cache.Count = 0;
            DistanceOutput output;
            Distance.ComputeDistance(out output, out cache, input);

            DebugView.DrawString(50, TextLine, "Distance = {0:n7}", output.Distance);
            TextLine += 15;

            DebugView.DrawString(50, TextLine, "Iterations = {0:n0}", output.Iterations);
            TextLine += 15;

            DebugView.BeginCustomDraw();
            {
                Color color = new Color(0.9f, 0.9f, 0.9f);
                CCVector2[] v = new CCVector2[Settings.MaxPolygonVertices];
                for (int i = 0; i < _polygonA.Vertices.Count; ++i)
                {
                    v[i] = (CCVector2)MathUtils.Multiply(ref _transformA, _polygonA.Vertices[i]);
                }
				DebugView.DrawPolygon(v, _polygonA.Vertices.Count, color);

                for (int i = 0; i < _polygonB.Vertices.Count; ++i)
                {
                    v[i] = (CCVector2)MathUtils.Multiply(ref _transformB, _polygonB.Vertices[i]);
                }
				DebugView.DrawPolygon(v, _polygonB.Vertices.Count, color);
            }

            Vector2 x1 = output.PointA;
            Vector2 x2 = output.PointB;


            DebugView.DrawPoint(x1, 0.5f, new Color(1.0f, 0.0f, 0.0f));
            DebugView.DrawPoint(x2, 0.5f, new Color(1.0f, 0.0f, 0.0f));

            DebugView.DrawSegment(x1, x2, new Color(1.0f, 1.0f, 0.0f));
            DebugView.EndCustomDraw();
        }
Exemplo n.º 11
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            DebugView.DrawString(50, TextLine, "Press A,S,W,D move endpoint");
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "Press Enter to cut");
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "Press TAB to change endpoint");
            TextLine += 15;

            DebugView.BeginCustomDraw();
            DebugView.DrawSegment(_start, _end, Color.Red);
            DebugView.EndCustomDraw();

            List<Fixture> fixtures = new List<Fixture>();
            List<Vector2> entryPoints = new List<Vector2>();
            List<Vector2> exitPoints = new List<Vector2>();

            //Get the entry points
            World.RayCast((f, p, n, fr) =>
                              {
                                  fixtures.Add(f);
                                  entryPoints.Add(p);
                                  return 1;
                              }, _start, _end);

            //Reverse the ray to get the exitpoints
            World.RayCast((f, p, n, fr) =>
                              {
                                  exitPoints.Add(p);
                                  return 1;
                              }, _end, _start);

            DebugView.DrawString(50, TextLine, "Fixtures: " + fixtures.Count);

            DebugView.BeginCustomDraw();
            foreach (Vector2 entryPoint in entryPoints)
            {
                DebugView.DrawPoint(entryPoint, 0.5f, Color.Yellow);
            }

            foreach (Vector2 exitPoint in exitPoints)
            {
                DebugView.DrawPoint(exitPoint, 0.5f, Color.PowderBlue);
            }
            DebugView.EndCustomDraw();

            base.Update(settings, gameTime);
        }
Exemplo n.º 12
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            base.Update(settings, gameTime);

            if (m_Count < Count)
            {
                var body = BodyFactory.CreateBody(World, new Vector2(0.0f, 10.0f));
                body.BodyType = BodyType.Dynamic;
                
                PolygonShape shape = new PolygonShape(5);
                shape.SetAsBox(0.125f, 0.125f);

                body.CreateFixture(shape);

                m_Count++;
            }
        }
Exemplo n.º 13
0
		public override void Update(GameSettings settings, GameTime gameTime)
		{
			base.Update(settings, gameTime);
			
			
			if (!settings.Pause && settings.Hz > 0.0f)
				_time += 1.0f / settings.Hz;
			
			Vector2 linearOffset = new Vector2();
			linearOffset.X = 6.0f * (float)Math.Sin(2.0f * _time);
			linearOffset.Y = 8.0f + 4.0f * (float)Math.Sin(1.0f * _time);
			
			float angularOffset = 4.0f * _time;
			
			_joint.LinearOffset = linearOffset;
			_joint.AngularOffset = angularOffset;
		}
Exemplo n.º 14
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            time += gameTime.ElapsedGameTime.Milliseconds;

            if (time > 100)
            {
                time = 0;
                if (save)
                {
                    WorldSerializer.Serialize(World, "out.xml");
                }
                else
                {
                    WorldSerializer.Deserialize(World, "out.xml");
                }

                save = !save;
            }
            base.Update(settings, gameTime);
        }
Exemplo n.º 15
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            _count++;

            if (_count < 50)
            {
                const float x = 0;
                const float y = 15;

                Body body = BodyFactory.CreateBody(World);

                body.Position = new Vector2(x, y);
                body.BodyType = BodyType.Dynamic;

                Fixture fixture = body.CreateFixture(_polyShape);
                fixture.Friction = 0.3f;
            }

            base.Update(settings, gameTime);
        }
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            base.Update(settings, gameTime);

            DebugView.DrawString(50, TextLine, "Press: left mouse button to remove at mouse position.");
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "Press: (A) to decrease the removal radius, (S) to increase it.");
            TextLine += 15;
            // Fighting against float decimals
            float radiusnumber = (float)((int)(Radius * 10)) / 10;
            DebugView.DrawString(50, TextLine, "Radius: " + radiusnumber);

            Color color = new Color(0.4f, 0.7f, 0.8f);

            //Transform shape to mouseposition and then draw
            Vertices tempshape = new Vertices(_clipCircle);
            tempshape.Translate(ref _mousePos);
            DebugView.BeginCustomDraw();
            DebugView.DrawPolygon(tempshape.ToArray(), _clipCircle.Count, color);
            DebugView.EndCustomDraw();
        }
Exemplo n.º 17
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            Vector2 min = -new Vector2(10);
            Vector2 max = new Vector2(10);

            AABB affected = new AABB(ref min, ref max);
            Fixture fix = null;
            World.QueryAABB(fixture =>
                                {
                                    fix = fixture;
                                    return true;
                                }, ref affected);

            //DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
            //if (fix != null)
            //    DebugView.DrawPoint(fix.Body.Position, 1, Color.Red);

            //DebugView.DrawAABB(ref affected, Color.AliceBlue);
            //DebugView.EndCustomDraw();

            base.Update(settings, gameTime);
        }
Exemplo n.º 18
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            DebugView.DrawString(50, TextLine, "Melkman: Red");
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "Giftwrap: Green");
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "ChainHull: Blue");
            TextLine += 15;

            DebugView.BeginCustomDraw();
            for (int i = 0; i < 32; i++)
            {
                DebugView.DrawPoint(_pointCloud1[i], 0.1f, Color.Yellow);
                DebugView.DrawPoint(_pointCloud2[i], 0.1f, Color.Yellow);
                DebugView.DrawPoint(_pointCloud3[i], 0.1f, Color.Yellow);
            }

            var vector2List = new List<CCVector2>();
            foreach (var v in _melkman)
                vector2List.Add((CCVector2)v);

			DebugView.DrawPolygon(vector2List.ToArray(), _melkman.Count, Color.Red);

            vector2List.Clear();
            foreach (var v in _giftWrap)
                vector2List.Add((CCVector2)v);
            DebugView.DrawPolygon(vector2List.ToArray(), _giftWrap.Count, Color.Green);

            vector2List.Clear();
            foreach (var v in _chainHull)
                vector2List.Add((CCVector2)v);

            DebugView.DrawPolygon(vector2List.ToArray(), _chainHull.Count, Color.Blue);
            DebugView.EndCustomDraw();

            base.Update(settings, gameTime);
        }
Exemplo n.º 19
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            DebugView.DrawString(50, TextLine, "Melkman: Red");
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "Giftwrap: Green");
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "ChainHull: Blue");
            TextLine += 15;

            DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
            for (int i = 0; i < 32; i++)
            {
                DebugView.DrawPoint(_pointCloud1[i], 0.1f, Color.Yellow);
                DebugView.DrawPoint(_pointCloud2[i], 0.1f, Color.Yellow);
                DebugView.DrawPoint(_pointCloud3[i], 0.1f, Color.Yellow);
            }

            DebugView.DrawPolygon(_melkman.ToArray(), _melkman.Count, Color.Red);
            DebugView.DrawPolygon(_giftWrap.ToArray(), _giftWrap.Count, Color.Green);
            DebugView.DrawPolygon(_chainHull.ToArray(), _chainHull.Count, Color.Blue);
            DebugView.EndCustomDraw();

            base.Update(settings, gameTime);
        }
Exemplo n.º 20
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            base.Update(settings, gameTime);

            float ratio = _joint4.Ratio;
            float value = _joint1.JointAngle + ratio * _joint2.JointAngle;
            DebugView.DrawString(50, TextLine, "theta1 + {0} * theta2 = {1}", ratio, value);
            TextLine += 15;

            ratio = _joint5.Ratio;
            value = _joint2.JointAngle + ratio * _joint3.JointTranslation;
            DebugView.DrawString(50, TextLine, "theta2 + {0} * delta = {1}", ratio, value);
            TextLine += 15;
        }
Exemplo n.º 21
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            DebugView.DrawString(50, TextLine, "Press (j) to toggle the rope joint.");
            TextLine += 15;

            DebugView.DrawString(50, TextLine, _useRopeJoint ? "Rope ON" : "Rope OFF");
            TextLine += 15;

            base.Update(settings, gameTime);
        }
Exemplo n.º 22
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            for (int i = 0; i < _polygons.Count; ++i)
            {
                if (_polygons[i] != null)
                {
                    Vector2[] array = _polygons[i].ToArray();
                    Color col = Color.SteelBlue;
                    if (!_polygons[i].IsCounterClockWise())
                    {
                        col = Color.Aquamarine;
                    }
                    if (_polygons[i] == _selected)
                    {
                        col = Color.LightBlue;
                    }
                    if (_polygons[i] == _subject)
                    {
                        col = Color.Green;
                        if (_polygons[i] == _selected)
                        {
                            col = Color.LightGreen;
                        }
                    }
                    if (_polygons[i] == _clip)
                    {
                        col = Color.DarkRed;
                        if (_polygons[i] == _selected)
                        {
                            col = Color.IndianRed;
                        }
                    }
                    DebugView.BeginCustomDraw();
                    DebugView.DrawPolygon(array, _polygons[i].Count, col);
                    for (int j = 0; j < _polygons[i].Count; ++j)
                    {
                        DebugView.DrawPoint(_polygons[i][j], .2f, Color.Red);
                    }
                    DebugView.EndCustomDraw();
                }
            }

            DebugView.DrawString(500, TextLine, "A,S,D = Create Rectangle");
            TextLine += 15;

            DebugView.DrawString(500, TextLine, "Q,W,E = Create Circle");
            TextLine += 15;

            DebugView.DrawString(500, TextLine, "Click to Drag polygons");
            TextLine += 15;

            DebugView.DrawString(500, TextLine, "1 = Select Subject while dragging [green]");
            TextLine += 15;

            DebugView.DrawString(500, TextLine, "2 = Select Clip while dragging [red]");
            TextLine += 15;

            DebugView.DrawString(500, TextLine, "Space = Union");
            TextLine += 15;

            DebugView.DrawString(500, TextLine, "Backspace = Subtract");
            TextLine += 15;

            DebugView.DrawString(500, TextLine, "Shift = Intersect");
            TextLine += 15;

            DebugView.DrawString(500, TextLine, "Holes are colored light blue");
            TextLine += 15;
        }
Exemplo n.º 23
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            // Drive the kinematic body.
            if (_platform.BodyType == BodyType.Kinematic)
            {
                Transform tf;
                _platform.GetTransform(out tf);
                Vector2 p = tf.p;
                Vector2 v = _platform.LinearVelocity;

                if ((p.X < -10.0f && v.X < 0.0f) ||
                    (p.X > 10.0f && v.X > 0.0f))
                {
                    v.X = -v.X;
                    _platform.LinearVelocity = v;
                }
            }

            base.Update(settings, gameTime);
            DebugView.DrawString(50, TextLine, "Keys: (d) dynamic, (s) static, (k) kinematic");
            TextLine += 15;
        }
Exemplo n.º 24
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            DebugView.DrawString(50, TextLine, "Keys: left = a, brake = s, right = d, hz down = q, hz up = e");
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "frequency = {0} hz, damping ratio = {1}", _hz, _zeta);
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "actual speed = {0} rad/sec", _spring1.JointSpeed);
            TextLine += 15;

            GameInstance.ViewCenter = _car.Position;

            base.Update(settings, gameTime);
        }
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            DebugView.DrawString(50, TextLine, "Left click and drag the mouse to destroy terrain!");
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "Right click and drag the mouse to create terrain!");
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "Middle click to create circles!");
            TextLine += 15;
            DebugView.DrawString(50, TextLine, "Press t or y to cycle between decomposers: " + _terrain.Decomposer);
            TextLine += 25;
            DebugView.DrawString(50, TextLine, "Press g or h to decrease/increase circle radius: " + _circleRadius);
            TextLine += 15;

            base.Update(settings, gameTime);
        }
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            bool advanceRay = settings.Pause == false || settings.SingleStep;

            base.Update(settings, gameTime);
            DebugView.DrawString(50, TextLine, "Press 1-5 to drop stuff");
            TextLine += 15;

            const float l = 25.0f;
            Vector2 point1 = new Vector2(0.0f, 10.0f);
            Vector2 d = new Vector2(l*(float) Math.Cos(_angle), -l*Math.Abs((float) Math.Sin(_angle)));
            Vector2 point2 = point1 + d;

            _fixture = null;

            World.RayCast((fixture, point, normal, fraction) =>
                              {
                                  _fixture = fixture;
                                  _point = point;
                                  _normal = normal;

                                  return fraction;
                              }, point1, point2);

            if (_fixture != null)
            {
                DebugView.DrawPoint(_point, 0.5f, new Color(0.4f, 0.9f, 0.4f));

                DebugView.DrawSegment(point1, _point, new Color(0.8f, 0.8f, 0.8f));

                Vector2 head = _point + 0.5f*_normal;
                DebugView.DrawSegment(_point, head, new Color(0.9f, 0.9f, 0.4f));
            }
            else
            {
                DebugView.DrawSegment(point1, point2, new Color(0.8f, 0.8f, 0.8f));
            }

            if (advanceRay)
            {
                _angle += 0.25f*Settings.Pi/180.0f;
            }
        }
Exemplo n.º 27
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            //GEN GameInstance.ViewCenter = Vector2.Zero;

            base.Update(settings, gameTime);
        }
Exemplo n.º 28
0
        public virtual void Update(GameSettings settings, GameTime gameTime)
        {
            float timeStep = Math.Min((float)gameTime.ElapsedGameTime.TotalMilliseconds * 0.001f, (1f / 30f));

            if (settings.Pause)
            {
                if (settings.SingleStep)
                    settings.SingleStep = false;
                else
                    timeStep = 0.0f;

                DebugView.DrawString(50, TextLine, "****PAUSED****");
                TextLine += 15;
            }

            World.Step(timeStep);

            if (timeStep > 0.0f)
                ++StepCount;
        }
Exemplo n.º 29
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            ContactManager cm = World.ContactManager;
            DynamicTreeBroadPhase dt = (DynamicTreeBroadPhase)cm.BroadPhase;

            int height = dt.TreeHeight;
            int leafCount = dt.ProxyCount;
            float minimumNodeCount = 2 * leafCount - 1;
            float minimumHeight = (float)Math.Ceiling(Math.Log(minimumNodeCount) / Math.Log(2.0f));
            DebugView.DrawString(5, TextLine, "dynamic tree height = {0}, min = {1}", height, (int)minimumHeight);
            TextLine += 15;

            DebugView.DrawString(5, TextLine, "create time = {0} ms, fixture count = {1}", _createTime, _fixtureCount);
            TextLine += 15;

            base.Update(settings, gameTime);
        }
Exemplo n.º 30
0
        public override void Update(GameSettings settings, GameTime gameTime)
        {
            base.Update(settings, gameTime);

            Sweep sweepA = new Sweep();
            sweepA.C0 = new Vector2(24.0f, -60.0f);
            sweepA.A0 = 2.95f;
            sweepA.C = sweepA.C0;
            sweepA.A = sweepA.A0;
            sweepA.LocalCenter = Vector2.Zero;

            Sweep sweepB = new Sweep();
            sweepB.C0 = new Vector2(53.474274f, -50.252514f);
            sweepB.A0 = 513.36676f; // - 162.0f * b2_pi;
            sweepB.C = new Vector2(54.595478f, -51.083473f);
            sweepB.A = 513.62781f; //  - 162.0f * b2_pi;
            sweepB.LocalCenter = Vector2.Zero;

            //sweepB.a0 -= 300.0f * b2_pi;
            //sweepB.a -= 300.0f * b2_pi;

            TOIInput input = new TOIInput();
            input.ProxyA.Set(_shapeA, 0);
            input.ProxyB.Set(_shapeB, 0);
            input.SweepA = sweepA;
            input.SweepB = sweepB;
            input.TMax = 1.0f;

            TOIOutput output;
            TimeOfImpact.CalculateTimeOfImpact(out output, input);

            DebugView.DrawString(50, TextLine, "TOI = {0:n}", output.T);
            TextLine += 15;

            DebugView.DrawString(50, TextLine, "Max TOI iters = {0:n}, Max root iters = {1:n}", TimeOfImpact.TOIMaxIters,
                                 TimeOfImpact.TOIMaxRootIters);
            TextLine += 15;

            CCVector2[] vertices = new CCVector2[Settings.MaxPolygonVertices];

            DebugView.BeginCustomDraw();
            Transform transformA;
            sweepA.GetTransform(out transformA, 0.0f);
            for (int i = 0; i < _shapeA.Vertices.Count; ++i)
            {
                vertices[i] = (CCVector2)MathUtils.Multiply(ref transformA, _shapeA.Vertices[i]);
            }
			DebugView.DrawPolygon(vertices, _shapeA.Vertices.Count, new Color(0.9f, 0.9f, 0.9f));

            Transform transformB;
            sweepB.GetTransform(out transformB, 0.0f);

            for (int i = 0; i < _shapeB.Vertices.Count; ++i)
            {
                vertices[i] = (CCVector2)MathUtils.Multiply(ref transformB, _shapeB.Vertices[i]);
            }
			DebugView.DrawPolygon(vertices, _shapeB.Vertices.Count, new Color(0.5f, 0.9f, 0.5f));

            sweepB.GetTransform(out transformB, output.T);
            for (int i = 0; i < _shapeB.Vertices.Count; ++i)
            {
                vertices[i] = (CCVector2)MathUtils.Multiply(ref transformB, _shapeB.Vertices[i]);
            }
			DebugView.DrawPolygon(vertices, _shapeB.Vertices.Count, new Color(0.5f, 0.7f, 0.9f));

            sweepB.GetTransform(out transformB, 1.0f);
            for (int i = 0; i < _shapeB.Vertices.Count; ++i)
            {
                vertices[i] = (CCVector2)MathUtils.Multiply(ref transformB, _shapeB.Vertices[i]);
            }
			DebugView.DrawPolygon(vertices, _shapeB.Vertices.Count, new Color(0.9f, 0.5f, 0.5f));
            DebugView.EndCustomDraw();
        }