public override void Update(FarseerPhysicsGameSettings settings)
{
base.Update(settings);
// Traverse the contact results. Apply a force on shapes
// that overlap the sensor.
for (int i = 0; i < Count; ++i)
{
if (_touching[i] == false)
{
continue;
}
Body body = _bodies[i];
Body ground = _sensor.Body;
CircleShape circle = (CircleShape)_sensor.Shape;
Vector2 center = ground.GetWorldPoint(circle.Position);
Vector2 position = body.Position;
Vector2 d = center - position;
if (d.LengthSquared < Alt.FarseerPhysics.Settings.Epsilon * Alt.FarseerPhysics.Settings.Epsilon)
{
continue;
}
d.Normalize();
Vector2 f = 100.0f * d;
body.ApplyForce(f, position);
}
}
public override void Update(FarseerPhysicsGameSettings settings)
{
DrawString("Note: The left side of the ship has a different density than the right side of the ship");
base.Update(settings);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
DrawString("Triangulation took " + _sw.ElapsedMilliseconds + " ms");
base.Update(settings);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
DrawString("Press (j) to toggle the rope joint.");
DrawString(_useRopeJoint ? "Rope ON" : "Rope OFF");
base.Update(settings);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
DrawString("Keys: left = a, brake = s, right = d, toggle motor = m");
base.Update(settings);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
base.Update(settings);
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(FarseerPhysicsGameSettings settings)
{
base.Update(settings);
PolyShapesCallback callback = new PolyShapesCallback();
callback.Circle.Radius = 2.0f;
callback.Circle.Position = new Vector2(0.0f, 1.1f);
callback.Transform.SetIdentity();
callback.DebugDraw = DebugView;
AABB aabb;
callback.Circle.ComputeAABB(out aabb, ref callback.Transform, 0);
World.QueryAABB(callback.ReportFixture, ref aabb);
Color color = new ColorR(0.4f, 0.7f, 0.8f);
DebugView.DrawCircle(callback.Circle.Position, callback.Circle.Radius, color);
DrawString("Press 1-5 to drop stuff");
DrawString("Press a to (de)activate some bodies");
DrawString("Press d to destroy a body");
}
public override void Update(FarseerPhysicsGameSettings settings)
{
DrawString("Rotation: " + _circleFixture.Body.Rotation);
DrawString("Revolutions: " + _circleFixture.Body.Revolutions);
base.Update(settings);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
base.Update(settings);
double ratio = _joint1.Ratio;
double l = _joint1.LengthA + ratio * _joint1.LengthB;
DrawString(string.Format("L1 + {0:n} * L2 = {1:n}", ratio, l));
}
public override void Update(FarseerPhysicsGameSettings settings)
{
base.Update(settings);
DrawString("Keys: (f) toggle friction, (m) toggle motor");
double torque = _joint1.GetMotorTorque(settings.Hz);
DrawString("Motor Torque = " + torque);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
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);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
base.Update(settings);
for (int i = 0; i < _removeBodies.Count; i++)
{
World.RemoveBody(_removeBodies[i]);
}
_removeBodies.Clear();
}
public override void Update(FarseerPhysicsGameSettings settings)
{
base.Update(settings);
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(FarseerPhysicsGameSettings settings)
{
base.Update(settings);
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(FarseerPhysicsGameSettings settings)
{
Vector2 v = _character.LinearVelocity;
v.X = -5.0f;
_character.LinearVelocity = v;
DrawString(_collision ? "OnCollision fired" : "OnSeparation fired");
base.Update(settings);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
_time += 0.01f;
if (_time > 1f)
{
_time = 0;
}
PathManager.MoveBodyOnPath(_path, _movingBody, _time, 1f, 1f / 60f);
base.Update(settings);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
DrawString("SimpleWindForce | Mouse: Direction | Left-Click: Position | W/S: Variation");
DrawString("Wind Strength:" + _simpleWind.Strength);
DrawString("Variation:" + _simpleWind.Variation);
//DebugView.DrawSegment(SimpleWind.Position, SimpleWind.Direction-SimpleWind.Position, Color.Red);
DrawPointForce();
base.Update(settings);
}
protected void Initialize()
{
m_InfoFont = new Alt.Sketch.Font("Arial", 10.01, Alt.Sketch.FontStyle.Bold);
settings = new FarseerPhysicsGameSettings();
FarseerPhysics_onRestart();
m_Timer = new Alt.GUI.Timer(10);
m_Timer.Tick += Timer_Tick;
m_Timer.Start();
}
public override void Update(FarseerPhysicsGameSettings settings)
{
base.Update(settings);
double ratio = _joint4.Ratio;
double value = _joint1.JointAngle + ratio * _joint2.JointAngle;
DrawString(string.Format("theta1 + {0} * theta2 = {1}", ratio, value));
ratio = _joint5.Ratio;
value = _joint2.JointAngle + ratio * _joint3.JointTranslation;
DrawString(string.Format("theta2 + {0} * delta = {1}", ratio, value));
}
public override void Update(FarseerPhysicsGameSettings settings)
{
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.DrawPolygon(array, vertex.Count, col);
for (int j = 0; j < vertex.Count; ++j)
{
DebugView.DrawPoint(vertex[j], .2f, Color.Red);
}
}
}
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(FarseerPhysicsGameSettings settings)
{
DebugView.DrawAABB(ref _terrainArea, Color.Red * 0.5f);
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);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
ContactManager cm = World.ContactManager;
DynamicTreeBroadPhase dt = (DynamicTreeBroadPhase)cm.BroadPhase;
int height = dt.TreeHeight;
int leafCount = dt.ProxyCount;
double minimumNodeCount = 2 * leafCount - 1;
double minimumHeight = (double)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);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
DrawString("Press A,S,W,D move endpoint");
DrawString("Press Enter to cut");
DrawString("Press TAB to change endpoint");
DebugView.DrawSegment(_start, _end, Color.Red);
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);
foreach (Vector2 entryPoint in entryPoints)
{
DebugView.DrawPoint(entryPoint, 0.5f, Color.Yellow);
}
foreach (Vector2 exitPoint in exitPoints)
{
DebugView.DrawPoint(exitPoint, 0.5f, Color.PowderBlue);
}
base.Update(settings);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
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 = ConvertWorldToScreen(_bodies[i].Position + offset);
DebugView.DrawString((int)screenPosition.X, (int)screenPosition.Y, title);
}
base.Update(settings);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
base.Update(settings);
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);
{
Color color = new ColorR(0.9f, 0.9f, 0.9f);
Vector2[] v = new Vector2[Alt.FarseerPhysics.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 ColorR(1.0f, 0.0f, 0.0f));
DebugView.DrawPoint(x2, 0.5f, new ColorR(1.0f, 0.0f, 0.0f));
DebugView.DrawSegment(x1, x2, new ColorR(1.0f, 1.0f, 0.0f));
}
public override void Update(FarseerPhysicsGameSettings settings)
{
DrawString("Keys: left = a, brake = s, right = d, hz down = q, hz up = e");
DrawString(string.Format("frequency = {0} hz, damping ratio = {1}", _hz, _zeta));
DrawString(string.Format("actual speed = {0} rad/sec", _spring1.JointSpeed.ToString("F1")));
base.Update(settings);
Vector2 carPosition = _car.Position;
carPosition.X = -carPosition.X;
ViewCenter = carPosition;
}
public override void Update(FarseerPhysicsGameSettings settings)
{
bool advanceRay = settings.Pause == false || settings.SingleStep;
base.Update(settings);
DrawString("Press 1-5 to drop stuff");
const double l = 25.0f;
Vector2 point1 = new Vector2(0.0f, 10.0f);
Vector2 d = new Vector2(l * (double)Math.Cos(_angle), -l * Math.Abs((double)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 ColorR(0.4f, 0.9f, 0.4f));
DebugView.DrawSegment(point1, _point, new ColorR(0.8f, 0.8f, 0.8f));
Vector2 head = _point + 0.5f * _normal;
DebugView.DrawSegment(_point, head, new ColorR(0.9f, 0.9f, 0.4f));
}
else
{
DebugView.DrawSegment(point1, point2, new ColorR(0.8f, 0.8f, 0.8f));
}
if (advanceRay)
{
_angle += 0.25f * Alt.FarseerPhysics.Settings.Pi / 180.0f;
}
}
public override void Update(FarseerPhysicsGameSettings settings)
{
if (_break)
{
Break();
_broke = true;
_break = false;
}
// Cache velocities to improve movement on breakage.
if (_broke == false)
{
_velocity = _body1.LinearVelocity;
_angularVelocity = _body1.AngularVelocity;
}
base.Update(settings);
}
public override void Update(FarseerPhysicsGameSettings settings)
{
base.Update(settings);
if (!settings.Pause && settings.Hz > 0.0f)
{
_time += 1.0f / settings.Hz;
}
Vector2 linearOffset = new Vector2();
linearOffset.X = 6.0f * (double)Math.Sin(2.0f * _time);
linearOffset.Y = 8.0f + 4.0f * (double)Math.Sin(1.0f * _time);
double angularOffset = 4.0f * _time;
_joint.LinearOffset = linearOffset;
_joint.AngularOffset = angularOffset;
}
public override void Update(FarseerPhysicsGameSettings settings)
{
base.Update(settings);
DrawString("Press: (,) to explode at mouse position.");
DrawString("Press: (A) to decrease the explosion radius, (S) to increase it.");
DrawString("Press: (D) to decrease the explosion power, (F) to increase it.");
// Fighting against double decimals
double powernumber = (double)((int)(_force * 10)) / 10;
DrawString("Power: " + powernumber);
Color color = new ColorR(0.4f, 0.7f, 0.8f);
DebugView.DrawCircle(_mousePos, _radius, color);
}
