private void DrawShape(Fixture fixture, Transform xf, Color color)
{
Color coreColor = new Color(0.9f, 0.6f, 0.6f);
switch (fixture.GetType())
{
case ShapeType.CircleShape:
{
CircleShape circle = (CircleShape)fixture.GetShape();
Vec2 center = Math.Mul(xf, circle._p);
float radius = circle._radius;
Vec2 axis = xf.R.Col1;
_debugDraw.DrawSolidCircle(center, radius, axis, color);
}
break;
case ShapeType.PolygonShape:
{
PolygonShape poly = (PolygonShape)fixture.GetShape();
int vertexCount = poly.VertexCount;
Box2DXDebug.Assert(vertexCount <= Settings.MaxPolygonVertices);
Vec2[] vertices = new Vec2[Settings.MaxPolygonVertices];
for (int i = 0; i < vertexCount; ++i)
{
vertices[i] = Math.Mul(xf, poly.Vertices[i]);
}
_debugDraw.DrawSolidPolygon(vertices, vertexCount, color);
}
break;
}
}
public static Contact Create(Fixture fixtureA, Fixture fixtureB)
{
if (Initialized == false)
{
InitializeRegisters();
Initialized = true;
}
ShapeType type1 = fixtureA.GetType();
ShapeType type2 = fixtureB.GetType();
Box2DXDebug.Assert(ShapeType.UnknownShape < type1 && type1 < ShapeType.ShapeTypeCount);
Box2DXDebug.Assert(ShapeType.UnknownShape < type2 && type2 < ShapeType.ShapeTypeCount);
ContactCreateFcn createFcn = Registers[(int)type1][(int)type2].CreateFcn;
if (createFcn != null)
{
if (Registers[(int)type1][(int)type2].Primary)
{
return(createFcn(fixtureA, fixtureB));
}
else
{
return(createFcn(fixtureB, fixtureA));
}
}
else
{
return(null);
}
}
public CircleContact(Fixture fixtureA, Fixture fixtureB)
: base(fixtureA, fixtureB)
{
Box2DXDebug.Assert(fixtureA.GetType() == ShapeType.CircleShape);
Box2DXDebug.Assert(fixtureB.GetType() == ShapeType.CircleShape);
}
public CircleContact(Fixture fixtureA, Fixture fixtureB)
: base(fixtureA, fixtureB)
{
Box2DXDebug.Assert(fixtureA.GetType() == ShapeType.CircleShape);
Box2DXDebug.Assert(fixtureB.GetType() == ShapeType.CircleShape);
}
public static Contact Create(Fixture fixtureA, Fixture fixtureB)
{
if (Initialized == false)
{
InitializeRegisters();
Initialized = true;
}
ShapeType type1 = fixtureA.GetType();
ShapeType type2 = fixtureB.GetType();
Box2DXDebug.Assert(ShapeType.UnknownShape < type1 && type1 < ShapeType.ShapeTypeCount);
Box2DXDebug.Assert(ShapeType.UnknownShape < type2 && type2 < ShapeType.ShapeTypeCount);
ContactCreateFcn createFcn = Registers[(int)type1][(int)type2].CreateFcn;
if (createFcn != null)
{
if (Registers[(int)type1][(int)type2].Primary)
{
return createFcn(fixtureA, fixtureB);
}
else
{
return createFcn(fixtureB, fixtureA);
}
}
else
{
return null;
}
}
private void DrawShape(Fixture fixture, Transform xf, Color color)
{
Color coreColor = new Color(0.9f, 0.6f, 0.6f);
switch (fixture.GetType())
{
case ShapeType.CircleShape:
{
CircleShape circle = (CircleShape)fixture.GetShape();
Vec2 center = Math.Mul(xf, circle._p);
float radius = circle._radius;
Vec2 axis = xf.R.Col1;
_debugDraw.DrawSolidCircle(center, radius, axis, color);
}
break;
case ShapeType.PolygonShape:
{
PolygonShape poly = (PolygonShape)fixture.GetShape();
int vertexCount = poly.VertexCount;
Box2DXDebug.Assert(vertexCount <= Settings.MaxPolygonVertices);
Vec2[] vertices = new Vec2[Settings.MaxPolygonVertices];
for (int i = 0; i < vertexCount; ++i)
{
vertices[i] = Math.Mul(xf, poly.Vertices[i]);
}
_debugDraw.DrawSolidPolygon(vertices, vertexCount, color);
}
break;
}
}