public override Shape Clone()
{
LoopShape loop = new LoopShape();
loop.Count = Count;
loop.Radius = Radius;
loop.Vertices = (Vector2[]) Vertices.Clone();
return loop;
}
public override Shape Clone()
{
LoopShape loop = new LoopShape();
loop.Radius = Radius;
loop.Vertices = Vertices;
loop._density = _density;
loop.MassData = MassData;
return loop;
}
public override Shape Clone()
{
LoopShape loop = new LoopShape();
loop.Count = Count;
loop.Radius = Radius;
loop.Vertices = (Vector2[])Vertices.Clone();
return(loop);
}
public override Shape Clone()
{
LoopShape loop = new LoopShape();
loop._density = _density;
loop._radius = _radius;
loop.Vertices = Vertices;
loop.MassData = MassData;
return(loop);
}
//Contributed by Matthew Bettcher
/// <summary>
/// Convert a path into a set of edges and attaches them to the specified body.
/// Note: use only for static edges.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="body">The body.</param>
/// <param name="subdivisions">The subdivisions.</param>
public static void ConvertPathToEdges(Path path, Body body, int subdivisions)
{
Vertices verts = path.GetVertices(subdivisions);
if (path.Closed)
{
LoopShape loop = new LoopShape(verts);
body.CreateFixture(loop);
}
else
{
for (int i = 1; i < verts.Count; i++)
{
body.CreateFixture(new EdgeShape(verts[i], verts[i - 1]));
}
}
}
public static Fixture AttachLoopShape(Vertices vertices, Body body, object userData)
{
LoopShape shape = new LoopShape(vertices);
return body.CreateFixture(shape, userData);
}
public static Fixture CreateLoopShape(Vertices vertices, float density, Body body, Object userData)
{
LoopShape shape = new LoopShape(vertices, density);
return body.CreateFixture(shape, userData);
}
private CharacterCollisionTest()
{
//Ground body
Body ground = BodyFactory.CreateEdge(World, new Vector2(-40.0f, 0.0f), new Vector2(40.0f, 0.0f));
// Collinear edges
EdgeShape shape = new EdgeShape(new Vector2(-8.0f, 1.0f), new Vector2(-6.0f, 1.0f));
ground.CreateFixture(shape);
shape = new EdgeShape(new Vector2(-6.0f, 1.0f), new Vector2(-4.0f, 1.0f));
ground.CreateFixture(shape);
shape = new EdgeShape(new Vector2(-4.0f, 1.0f), new Vector2(-2.0f, 1.0f));
ground.CreateFixture(shape);
// Square tiles
PolygonShape tile = new PolygonShape(1);
tile.SetAsBox(1.0f, 1.0f, new Vector2(4.0f, 3.0f), 0.0f);
ground.CreateFixture(tile);
tile.SetAsBox(1.0f, 1.0f, new Vector2(6.0f, 3.0f), 0.0f);
ground.CreateFixture(tile);
tile.SetAsBox(1.0f, 1.0f, new Vector2(8.0f, 3.0f), 0.0f);
ground.CreateFixture(tile);
// Square made from an edge loop.
Vertices vertices = new Vertices(4);
vertices.Add(new Vector2(-1.0f, 3.0f));
vertices.Add(new Vector2(1.0f, 3.0f));
vertices.Add(new Vector2(1.0f, 5.0f));
vertices.Add(new Vector2(-1.0f, 5.0f));
LoopShape loopShape = new LoopShape(vertices);
ground.CreateFixture(loopShape);
// Edge loop.
vertices = new Vertices(10);
vertices.Add(new Vector2(0.0f, 0.0f));
vertices.Add(new Vector2(6.0f, 0.0f));
vertices.Add(new Vector2(6.0f, 2.0f));
vertices.Add(new Vector2(4.0f, 1.0f));
vertices.Add(new Vector2(2.0f, 2.0f));
vertices.Add(new Vector2(-2.0f, 2.0f));
vertices.Add(new Vector2(-4.0f, 3.0f));
vertices.Add(new Vector2(-6.0f, 2.0f));
vertices.Add(new Vector2(-6.0f, 0.0f));
BodyFactory.CreateLoopShape(World, vertices, new Vector2(-10, 4));
// Square character
Body squareCharacter = BodyFactory.CreateRectangle(World, 1, 1, 20);
squareCharacter.Position = new Vector2(-3.0f, 5.0f);
squareCharacter.BodyType = BodyType.Dynamic;
squareCharacter.FixedRotation = true;
squareCharacter.SleepingAllowed = false;
squareCharacter.OnCollision += CharacterOnCollision;
squareCharacter.OnSeparation += CharacterOnSeparation;
// Square character 2
Body squareCharacter2 = BodyFactory.CreateRectangle(World, 0.5f, 0.5f, 20);
squareCharacter2.Position = new Vector2(-5.0f, 5.0f);
squareCharacter2.BodyType = BodyType.Dynamic;
squareCharacter2.FixedRotation = true;
squareCharacter2.SleepingAllowed = false;
// Hexagon character
float angle = 0.0f;
const float delta = Settings.Pi / 3.0f;
vertices = new Vertices(6);
for (int i = 0; i < 6; ++i)
{
vertices.Add(new Vector2(0.5f * (float)Math.Cos(angle), 0.5f * (float)Math.Sin(angle)));
angle += delta;
}
Body hexCharacter = BodyFactory.CreatePolygon(World, vertices, 20);
hexCharacter.Position = new Vector2(-5.0f, 8.0f);
hexCharacter.BodyType = BodyType.Dynamic;
hexCharacter.FixedRotation = true;
hexCharacter.SleepingAllowed = false;
// Circle character
Body circleCharacter = BodyFactory.CreateCircle(World, 0.5f, 20);
circleCharacter.Position = new Vector2(3.0f, 5.0f);
circleCharacter.BodyType = BodyType.Dynamic;
circleCharacter.FixedRotation = true;
circleCharacter.SleepingAllowed = false;
}
private PinballTest()
{
// Ground body
Body ground;
{
ground = BodyFactory.CreateBody(World);
Vertices vertices = new Vertices(5);
vertices.Add(new Vector2(0.0f, -2.0f));
vertices.Add(new Vector2(8.0f, 6.0f));
vertices.Add(new Vector2(8.0f, 20.0f));
vertices.Add(new Vector2(-8.0f, 20.0f));
vertices.Add(new Vector2(-8.0f, 6.0f));
LoopShape loop = new LoopShape(vertices);
ground.CreateFixture(loop);
}
// Flippers
{
Vector2 p1 = new Vector2(-2.0f, 0f);
Vector2 p2 = new Vector2(2.0f, 0f);
Body leftFlipper = BodyFactory.CreateBody(World, p1);
leftFlipper.BodyType = BodyType.Dynamic;
Body rightFlipper = BodyFactory.CreateBody(World, p2);
rightFlipper.BodyType = BodyType.Dynamic;
PolygonShape box = new PolygonShape(1);
box.SetAsBox(1.75f, 0.1f);
leftFlipper.CreateFixture(box);
rightFlipper.CreateFixture(box);
_leftJoint = new RevoluteJoint(ground, leftFlipper, p1, Vector2.Zero);
_leftJoint.MaxMotorTorque = 1000.0f;
_leftJoint.LimitEnabled = true;
_leftJoint.MotorEnabled = true;
_leftJoint.MotorSpeed = 0.0f;
_leftJoint.LowerLimit = -30.0f * Settings.Pi / 180.0f;
_leftJoint.UpperLimit = 5.0f * Settings.Pi / 180.0f;
World.AddJoint(_leftJoint);
_rightJoint = new RevoluteJoint(ground, rightFlipper, p2, Vector2.Zero);
_rightJoint.MaxMotorTorque = 1000.0f;
_rightJoint.LimitEnabled = true;
_rightJoint.MotorEnabled = true;
_rightJoint.MotorSpeed = 0.0f;
_rightJoint.LowerLimit = -5.0f * Settings.Pi / 180.0f;
_rightJoint.UpperLimit = 30.0f * Settings.Pi / 180.0f;
World.AddJoint(_rightJoint);
}
// Circle character
{
_ball = BodyFactory.CreateBody(World, new Vector2(1.0f, 15.0f));
_ball.BodyType = BodyType.Dynamic;
_ball.IsBullet = true;
_ball.CreateFixture(new CircleShape(0.2f, 1.0f));
}
}
private void ParseFixture(JObject jsonFixture, Body body)
{
Shape shape = null;
var circles = (JObject)jsonFixture["circle"];
var polygons = (JObject)jsonFixture["polygon"];
var chains = (JObject)jsonFixture["chain"];
if (circles != null)
{
var center = Vector2.Zero;
float radius = 0;
foreach (JProperty circleProperty in circles.Children())
{
switch (circleProperty.Name)
{
case "center":
center = ParseVector2(circleProperty);
break;
case "radius":
radius = HexToFloat(circleProperty.Value.ToString());
break;
}
}
shape = new CircleShape(radius, 1);
var circleShape = (CircleShape) shape;
circleShape.Position = center;
}
else if (polygons != null)
{
Vertices vertices = null;
foreach (var polygonProperty in polygons.Children().Cast<JProperty>().Where(polygonProperty => polygonProperty.Name == "vertices"))
vertices = new Vertices(ParseVector2Array(polygonProperty));
if (vertices != null)
shape = new PolygonShape(vertices, 1);
}
else if (chains != null)
{
//shape = new
Vertices vertices = null;
bool isLoopShape = false;
bool hasNextVertex;
bool hasPrevVertex;
Vector2 nextVertex = Vector2.Zero;
Vector2 prevVertex = Vector2.Zero;
foreach (JProperty chainProperty in chains.Children())
{
switch (chainProperty.Name)
{
case "vertices":
vertices = new Vertices(ParseVector2Array(chainProperty));
break;
case "hasNextVertex":
isLoopShape = true;
hasNextVertex = (bool) chainProperty.Value;
break;
case "hasPrevVertex":
hasPrevVertex = (bool) chainProperty.Value;
break;
case "nextVertex":
nextVertex = ParseVector2(chainProperty);
break;
case "prevVertex":
prevVertex = ParseVector2(chainProperty);
break;
default:
System.Diagnostics.Debug.WriteLine(chainProperty.Name + " not supported!");
break;
}
}
if (isLoopShape)
{
var lastvertexIndex = vertices.Count - 1;
if (vertices[0] == vertices[lastvertexIndex])
vertices.RemoveAt(lastvertexIndex);
shape = new LoopShape(vertices);
//var loopShape = (LoopShape) shape;
}
else
{
throw new NotImplementedException();
//shape = new EdgeShape(prevVertex, nextVertex);
//var edgeShape = (EdgeShape) shape;
}
}
var fixture = body.CreateFixture(shape);
foreach (JProperty fixtureProperty in jsonFixture.Children())
{
//Fixture properties
switch (fixtureProperty.Name)
{
case "name":
var value = fixtureProperty.Value.ToString();
_namedFixtures.Add(fixture, value);
break;
case "density":
shape.Density = HexToFloat(fixtureProperty.Value.ToString());
break;
case "friction":
fixture.Friction = HexToFloat(fixtureProperty.Value.ToString());
break;
case "restitution":
fixture.Restitution = HexToFloat(fixtureProperty.Value.ToString());
break;
case "sensor":
fixture.IsSensor = (bool) fixtureProperty.Value;
break;
case "circle":
case "polygon":
case "chain":
//case "filter-categoryBits":
//case "filter-maskBits":
//case "filter-groupIndex":
break; //ignore
default:
System.Diagnostics.Debug.WriteLine(fixtureProperty.Name + " not supported!");
break;
}
}
}
private static JObject SerializeLoopShape(LoopShape shape)
{
var jsonLoopShape = new JObject();
jsonLoopShape.Add(new JProperty("vertices", ToJsonObject(shape.Vertices)));
jsonLoopShape.Add(new JProperty("hasNextVertex", true));
jsonLoopShape.Add(new JProperty("hasPrevVertex", true));
jsonLoopShape.Add(new JProperty("nextVertex", ToJsonObject(shape.Vertices[1])));
jsonLoopShape.Add(new JProperty("prevVertex", ToJsonObject(shape.Vertices[shape.Vertices.Count - 2])));
return jsonLoopShape;
}
