public IEnumerable <IMesh> Build(Spline.Triple triple)
{
///부채꼴에서 가운데점
var p0 = triple.Position;
var bd = triple.BackDirection;
var fd = triple.ForwardDirection;
//부채꼴에서 양끝점.
Vector3 p1;
Vector3 p2;
var nv = Vector3.back;
if ((Vector3.Cross(bd, fd).normalized + nv).magnitude < nv.magnitude)
{
p1 = p0 + Vector3.Cross(nv, bd).normalized *triple.CurrentWidth;
p2 = p0 + Vector3.Cross(nv, fd).normalized *triple.CurrentWidth;
}
else
{
p1 = p0 - Vector3.Cross(nv, fd).normalized *triple.CurrentWidth;
p2 = p0 - Vector3.Cross(nv, bd).normalized *triple.CurrentWidth;
}
var v1 = Vector3.Cross(p1 - p0, Vector3.back);
var v2 = Vector3.Cross(p2 - p0, Vector3.back);
Vector3 cp;
ClosestPointsOnTwoLines(out cp, out cp, p1, v1, p2, v2);
var uv = new Vector2[] { new Vector2(0, 1), new Vector2(1, 1), Vector2.zero, new Vector2(1, 0) };
if (_line is Image && ((Image)_line).sprite != null)
{
uv = ((Image)_line).sprite.uv;
}
var center = (uv[0] + uv[1] + uv[2] + uv[3]) / 4f;
var vertice = new Vertex[] {
Vertex.New(p0, center, triple.CurrentColor),
Vertex.New(p1, uv[1], triple.CurrentColor),
Vertex.New(p2, uv[1], triple.CurrentColor),
Vertex.New(cp, uv[3], triple.CurrentColor)
};
yield return(new Triangle(vertice[0], vertice[1], vertice[3]));
yield return(new Triangle(vertice[0], vertice[3], vertice[2]));
}
public IEnumerable <IMesh> Build(Spline.Triple triple)
{
///부채꼴에서 가운데점
var p0 = triple.Position;
var bd = triple.BackDirection;
var fd = triple.ForwardDirection;
//부채꼴에서 양끝점.
Vector3 p1;
Vector3 p2;
var nv = Vector3.back;
if ((Vector3.Cross(bd, fd).normalized + nv).magnitude < nv.magnitude)
{
p1 = p0 + Vector3.Cross(nv, bd).normalized *triple.CurrentWidth;
p2 = p0 + Vector3.Cross(nv, fd).normalized *triple.CurrentWidth;
}
else
{
p1 = p0 - Vector3.Cross(nv, fd).normalized *triple.CurrentWidth;
p2 = p0 - Vector3.Cross(nv, bd).normalized *triple.CurrentWidth;
}
var angle = Vector3.Angle(p1 - p0, p2 - p0);
var dc = Mathf.Max(1, Mathf.Floor(angle / _line.Line.option.DivideAngle));
var da = angle / dc;
var rot = Quaternion.Euler(-nv * da);
var d = p1 - p0;
var uv = new Vector2[] { new Vector2(0, 1), new Vector2(1, 1), Vector2.zero, new Vector2(1, 0) };
if (_line is Image && ((Image)_line).sprite != null)
{
uv = ((Image)_line).sprite.uv;
}
var center = (uv[0] + uv[1] + uv[2] + uv[3]) / 4f;
for (float a = 0f; a < angle; a += da)
{
var v0 = Vertex.New(p0, center, triple.CurrentColor);
var v1 = Vertex.New(p0 + d, uv[1], triple.CurrentColor);
var v2 = Vertex.New(p0 + rot * d, uv[3], triple.CurrentColor);
yield return(new Triangle(v0, v1, v2));
d = rot * d;
}
}