public Fixture CreateLineArc(float radians, int sides, float radius, bool closed)
{
Vertices arc = PolygonTools.CreateArc(radians, sides, radius);
arc.Rotate((MathHelper.Pi - radians) / 2);
return(closed ? CreateLoopShape(arc) : CreateChainShape(arc));
}
public static Fixture AttachLineArc(float radians, int sides, float radius, bool closed, Body body)
{
var arc = PolygonTools.CreateArc(radians, sides, radius);
arc.Rotate((MathF.PI - radians) / 2);
return(closed ? AttachLoopShape(arc, body) : AttachChainShape(arc, body));
}
public static Fixture AttachLineArc(float radians, int sides, float radius, Vector2 position, float angle, bool closed, Body body)
{
Vertices arc = PolygonTools.CreateArc(radians, sides, radius);
arc.Rotate((MathHelper.Pi - radians) / 2 + angle);
arc.Translate(ref position);
return(closed ? AttachLoopShape(arc, body) : AttachChainShape(arc, body));
}
public List <Fixture> CreateSolidArc(float density, float radians, int sides, float radius)
{
Vertices arc = PolygonTools.CreateArc(radians, sides, radius);
arc.Rotate((MathHelper.Pi - radians) / 2);
//Close the arc
arc.Add(arc[0]);
List <Vertices> triangles = Triangulate.ConvexPartition(arc, TriangulationAlgorithm.Earclip);
return(CreateCompoundPolygon(triangles, density));
}
public static List <Fixture> AttachSolidArc(float density, float radians, int sides, float radius, Body body)
{
var arc = PolygonTools.CreateArc(radians, sides, radius);
arc.Rotate((MathF.PI - radians) / 2);
// Close the arc
arc.Add(arc[0]);
var triangles = Triangulate.ConvexPartition(arc, TriangulationAlgorithm.Earclip);
return(AttachCompoundPolygon(triangles, density, body));
}
public static List <Fixture> AttachSolidArc(float density, float radians, int sides, float radius, Vector2 position, float angle, Body body)
{
Vertices arc = PolygonTools.CreateArc(radians, sides, radius);
arc.Rotate((MathHelper.Pi - radians) / 2 + angle);
arc.Translate(ref position);
//Close the arc
arc.Add(arc[0]);
List <Vertices> triangles = EarclipDecomposer.ConvexPartition(arc);
return(AttachCompoundPolygon(triangles, density, body));
}
public static List <Fixture> AttachLineArc(float radians, int sides, float radius, Vector2 position, float angle, bool closed, Body body)
{
Vertices arc = PolygonTools.CreateArc(radians, sides, radius);
arc.Rotate((MathHelper.Pi - radians) / 2 + angle);
arc.Translate(ref position);
List <Fixture> fixtures = new List <Fixture>(arc.Count);
if (closed)
{
fixtures.Add(AttachLoopShape(arc, body));
}
for (int i = 1; i < arc.Count; i++)
{
fixtures.Add(AttachEdge(arc[i], arc[i - 1], body));
}
return(fixtures);
}