public ITriangleInstance AddTriangle(Triangle triangle)
{
var instance = new TriangleInstance(this);
lock (m_instances)
{
m_instances.Add(instance);
}
instance.P1 = triangle.P1;
instance.P2 = triangle.P2;
instance.P3 = triangle.P3;
instance.Color = triangle.Color;
return instance;
}
public Triangle[] ToTriangles()
{
if(Triangles == null)
{
Triangles = new Triangle[(int)SLOTS];
for (int i = 0; i < SLOTS; i++)
{
var t1 = i+1 * SLOT_ANGLE;
var p1 = new Vector3(
(float)Math.Cos(t1) * Radius + Center.X,
(float)Math.Sin(t1) * Radius + Center.Y,
0);
if (i == 0)
{
var t0 = i * SLOT_ANGLE;
var p0 = new Vector3(
(float)Math.Cos(t0) * Radius + Center.X,
(float)Math.Sin(t0) * Radius + Center.Y,
0);
Triangles[0] = new Triangle()
{
P1 = Center,
P2 = p1,
P3 = p0,
Color = Color
};
}
else
{
var p = Triangles[i - 1].P3;
Triangles[i] = new Triangle()
{
P1 = Center,
P2 = p,
P3 = p1,
Color = Color
};
}
}
}
return Triangles;
}