public override void Update(GameSettings settings, GameTime gameTime)
{
base.Update(settings, gameTime);
PolygonShape shape = new PolygonShape(new Vertices(_points), 0f);
DrawString("Press g to generate a new random convex hull");
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 (_auto)
{
Generate();
}
}
public override void Update(GameSettings settings, GameTime gameTime)
{
DrawString("Use the mouse to create a polygon.");
DrawString("Simple: " + _vertices.IsSimple());
DrawString("Convex: " + _vertices.IsConvex());
DrawString("CCW: " + _vertices.IsCounterClockWise());
DrawString("Area: " + _vertices.GetArea());
PolygonError returnCode = _vertices.CheckPolygon();
if (returnCode == PolygonError.NoError)
DrawString("Polygon is supported in Farseer Physics Engine");
else
DrawString("Polygon is NOT supported in Farseer Physics Engine. Reason: " + returnCode);
DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
for (int i = 0; i < _vertices.Count; i++)
{
Vector2 currentVertex = _vertices[i];
Vector2 nextVertex = _vertices.NextVertex(i);
DebugView.DrawPoint(currentVertex, 0.1f, Color.Yellow);
DebugView.DrawSegment(currentVertex, nextVertex, Color.Red);
}
DebugView.DrawPoint(_vertices.GetCentroid(), 0.1f, Color.Green);
AABB aabb = _vertices.GetAABB();
DebugView.DrawAABB(ref aabb, Color.HotPink);
DebugView.EndCustomDraw();
base.Update(settings, gameTime);
}
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;
ContactSolver.WorldManifold.Initialize(ref manifold, ref _transformA, _polygonA.Radius, ref _transformB, _polygonB.Radius, out normal, out points);
DrawString("Point count = " + manifold.PointCount);
DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
{
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.Mul(ref _transformA, _polygonA.Vertices[i]);
}
DebugView.DrawPolygon(v, _polygonA.Vertices.Count, color);
for (int i = 0; i < _polygonB.Vertices.Count; ++i)
{
v[i] = MathUtils.Mul(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));
DrawString(points[i].ToString());
}
DebugView.EndCustomDraw();
}
public override void Update(GameSettings settings, GameTime gameTime)
{
DrawString("Triangulation took " + _sw.ElapsedMilliseconds + " ms");
base.Update(settings, gameTime);
}
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);
}
public override void Update(GameSettings settings, GameTime gameTime)
{
base.Update(settings, gameTime);
float ratio = _joint1.Ratio;
float l = _joint1.LengthA + ratio * _joint1.LengthB;
DrawString(string.Format("L1 + {0:n} * L2 = {1:n}", ratio, l));
}
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);
}
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;
}
}
public override void Update(GameSettings settings, GameTime gameTime)
{
DrawString("SimpleWindForce | Mouse: Direction | Left-Click: Position | W/S: Variation");
DrawString("Wind Strength:" + _simpleWind.Strength);
DrawString("Variation:" + _simpleWind.Variation);
DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
//DebugView.DrawSegment(SimpleWind.Position, SimpleWind.Direction-SimpleWind.Position, Color.Red);
DrawPointForce();
DebugView.EndCustomDraw();
base.Update(settings, gameTime);
}
public override void Update(GameSettings settings, GameTime gameTime)
{
foreach (Vertices vertex in _polygons)
{
if (vertex != null)
{
Vector2[] array = vertex.ToArray();
Color col = Color.SteelBlue;
if (!vertex.IsCounterClockWise())
{
col = Color.Aquamarine;
}
if (vertex == _selected)
{
col = Color.LightBlue;
}
if (vertex == _subject)
{
col = Color.Green;
if (vertex == _selected)
{
col = Color.LightGreen;
}
}
if (vertex == _clip)
{
col = Color.DarkRed;
if (vertex == _selected)
{
col = Color.IndianRed;
}
}
DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
DebugView.DrawPolygon(array, vertex.Count, col);
for (int j = 0; j < vertex.Count; ++j)
{
DebugView.DrawPoint(vertex[j], .2f, Color.Red);
}
DebugView.EndCustomDraw();
}
}
DrawString("A,S,D = Create Rectangle");
DrawString("Q,W,E = Create Circle");
DrawString("Click to Drag polygons");
DrawString("1 = Select Subject while dragging [green]");
DrawString("2 = Select Clip while dragging [red]");
DrawString("Space = Union");
DrawString("Backspace = Subtract");
DrawString("Shift = Intersect");
DrawString("Holes are colored light blue");
}
public override void Update(GameSettings settings, GameTime gameTime)
{
DrawString("Press A,S,W,D move endpoint");
DrawString("Press Enter to cut");
DrawString("Press TAB to change endpoint");
DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
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);
DrawString("Fixtures: " + fixtures.Count);
DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
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);
}
public override void Update(GameSettings settings, GameTime gameTime)
{
DrawString("Loaded: " + _nextFileName + " - Press T for next");
Vector2 offset = new Vector2(-6, 12);
for (int i = 0; i < _names.Length; i++)
{
string title = string.Format("{0}: {1} ms - {2} triangles", _names[i], _timings[i], _bodies[i].FixtureList.Count);
Vector2 screenPosition = GameInstance.ConvertWorldToScreen(_bodies[i].Position + offset);
DebugView.DrawString((int)screenPosition.X, (int)screenPosition.Y, title);
}
base.Update(settings, gameTime);
}
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;
}
public override void Update(GameSettings settings, GameTime gameTime)
{
base.Update(settings, gameTime);
DrawString("Press C to toggle CCD. CCD is Currently: " + (_ground.IgnoreCCD ? "Off" : "On"));
if (Distance.GJKCalls > 0)
DrawString(string.Format("GJK calls = {0:n}, Ave GJK iters = {1:n}, Max GJK iters = {2:n}", Distance.GJKCalls, Distance.GJKIters / (float)Distance.GJKCalls, Distance.GJKMaxIters));
if (TimeOfImpact.TOICalls > 0)
{
DrawString(string.Format("TOI calls = {0:n}, Ave TOI iters = {1:n}, Max TOI iters = {2:n}", TimeOfImpact.TOICalls, TimeOfImpact.TOIIters / (float)TimeOfImpact.TOICalls, TimeOfImpact.TOIMaxRootIters));
DrawString(string.Format("Ave TOI root iters = {0:n}, Max TOI root iters = {1:n}", TimeOfImpact.TOIRootIters / (float)TimeOfImpact.TOICalls, TimeOfImpact.TOIMaxRootIters));
}
if (StepCount % 60 == 0)
Launch();
}
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);
DrawString("Distance = " + output.Distance);
DrawString("Iterations = " + output.Iterations);
DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
{
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.Mul(ref _transformA, _polygonA.Vertices[i]);
}
DebugView.DrawPolygon(v, _polygonA.Vertices.Count, color);
for (int i = 0; i < _polygonB.Vertices.Count; ++i)
{
v[i] = MathUtils.Mul(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();
}
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;
DrawString("****PAUSED****");
}
else
World.Step(timeStep);
if (timeStep > 0.0f)
++StepCount;
}
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)
{
DrawString("Melkman: Red");
DrawString("Giftwrap: Green");
DrawString("ChainHull: Blue");
DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
for (int i = 0; i < PointCount; 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);
}
public override void Update(GameSettings settings, GameTime gameTime)
{
base.Update(settings, gameTime);
if (Distance.GJKCalls > 0)
{
DrawString(string.Format("GJK calls = {0:n}, Ave GJK iters = {1:n}, Max GJK iters = {2:n}", Distance.GJKCalls, Distance.GJKIters / (float)Distance.GJKCalls, Distance.GJKMaxIters));
}
if (TimeOfImpact.TOICalls > 0)
{
DrawString(string.Format("TOI calls = {0:n}, Ave TOI iters = {1:n}, Max TOI iters = {2:n}", TimeOfImpact.TOICalls, TimeOfImpact.TOIIters / (float)TimeOfImpact.TOICalls, TimeOfImpact.TOIMaxRootIters));
DrawString(string.Format("Ave TOI root iters = {0:n}, Max TOI root iters = {1:n}", TimeOfImpact.TOIRootIters / (float)TimeOfImpact.TOICalls, TimeOfImpact.TOIMaxRootIters));
}
if (StepCount % 60 == 0)
{
Launch();
}
}
public override void Update(GameSettings settings, GameTime gameTime)
{
foreach (Body b in World.BodyList)
{
if (b.BodyType != BodyType.Dynamic)
{
continue;
}
if (b.Awake)
{
}
}
if (StepCount == 180)
{
StepCount += 0;
}
//if (sleeping)
//{
// CreateCircle();
//}
base.Update(settings, gameTime);
foreach (Body b in World.BodyList)
{
if (b.BodyType != BodyType.Dynamic)
{
continue;
}
Vector2 p = b.Position;
if (p.X <= -10.0f || 10.0f <= p.X || p.Y <= 0.0f || 20.0f <= p.Y)
{
p.X += 0.0f;
}
}
DrawString("Press 'c' to create a circle.");
}
public override void Update(GameSettings settings, GameTime gameTime)
{
base.Update(settings, gameTime);
DrawString("Press 'a' to control the flippers");
}
public override void Update(GameSettings settings, GameTime gameTime)
{
base.Update(settings, gameTime);
DrawString("This demonstrates a soft distance joint.");
DrawString("Press: (b) to delete a body, (j) to delete a joint");
DrawString("Bodies removed: " + _removedBodies);
DrawString("Joints removed: " + _removedJoints);
}
public override void Update(GameSettings settings, GameTime gameTime)
{
DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
DebugView.DrawAABB(ref _terrainArea, Color.Red * 0.5f);
DebugView.EndCustomDraw();
DrawString("Left click and drag the mouse to destroy terrain!");
DrawString("Right click and drag the mouse to create terrain!");
DrawString("Middle click to create circles!");
DrawString("Press t or y to cycle between decomposers: " + _terrain.Decomposer);
TextLine += 25;
DrawString("Press g or h to decrease/increase circle radius: " + _circleRadius);
base.Update(settings, gameTime);
}
public override void Update(GameSettings settings, GameTime gameTime)
{
base.Update(settings, gameTime);
DrawString("Press: (,) to launch a bullet.");
//if (StepCount == 300)
//{
// if (_bullet != null)
// {
// World.Remove(_bullet);
// _bullet = null;
// }
// {
// CircleShape shape = new CircleShape(0.25f, 20);
// _bullet = BodyFactory.CreateBody(World);
// _bullet.BodyType = BodyType.Dynamic;
// _bullet.Bullet = true;
// _bullet.Position = new Vector2(-31.0f, 5.0f);
// _bullet.LinearVelocity = new Vector2(400.0f, 0.0f);
// Fixture fixture = _bullet.CreateFixture(shape);
// fixture.Restitution = 0.05f;
// }
//}
//
}
public override void Update(GameSettings settings, GameTime gameTime)
{
base.Update(settings, gameTime);
DrawString("Keys: (f) toggle friction, (m) toggle motor");
float torque = _joint1.GetMotorTorque(settings.Hz);
DrawString("Motor Torque = " + torque);
}
public override void Update(GameSettings settings, GameTime gameTime)
{
DrawString(string.Format("Center ({0}): Original polygon", _twoShape.Count));
DrawString(string.Format("Upper left ({0}): Simplified by removing points with an area of below 0.1", _upperLeft.Count));
DrawString(string.Format("Upper right ({0}): Simplified by removing every 3 point", _upperRight.Count));
DrawString(string.Format("Lower left ({0}): Simplified by removing points with a distance of less than 1", _lowerLeft.Count));
DrawString(string.Format("Lower right ({0}): Simplified with Douglas Peucker", _lowerRight.Count));
DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
DrawVertices(_twoShape);
DrawVertices(_upperLeft);
DrawVertices(_upperRight);
DrawVertices(_lowerLeft);
DrawVertices(_lowerRight);
DebugView.EndCustomDraw();
base.Update(settings, gameTime);
}
public override void Update(GameSettings settings, GameTime gameTime)
{
DrawString("Rotation: " + _circleFixture.Body.Rotation);
DrawString("Revolutions: " + _circleFixture.Body.Revolutions);
base.Update(settings, gameTime);
}
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));
DrawString(string.Format("dynamic tree height = {0}, min = {1}", height, (int)minimumHeight));
DrawString(string.Format("create time = {0} ms, fixture count = {1}", _createTime, _fixtureCount));
base.Update(settings, gameTime);
}
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);
DrawString("TOI = " + output.T);
DrawString(string.Format("Max TOI iters = {0:n}, Max root iters = {1:n}", TimeOfImpact.TOIMaxIters, TimeOfImpact.TOIMaxRootIters));
Vector2[] vertices = new Vector2[Settings.MaxPolygonVertices];
DebugView.BeginCustomDraw(ref GameInstance.Projection, ref GameInstance.View);
Transform transformA;
sweepA.GetTransform(out transformA, 0.0f);
for (int i = 0; i < _shapeA.Vertices.Count; ++i)
{
vertices[i] = MathUtils.Mul(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] = MathUtils.Mul(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] = MathUtils.Mul(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] = MathUtils.Mul(ref transformB, _shapeB.Vertices[i]);
}
DebugView.DrawPolygon(vertices, _shapeB.Vertices.Count, new Color(0.9f, 0.5f, 0.5f));
DebugView.EndCustomDraw();
}
public override void Update(GameSettings settings, GameTime gameTime)
{
DrawString("Note: The left side of the ship has a different density than the right side of the ship");
base.Update(settings, gameTime);
}