public void GenerateMesh()
{
mf = GetComponent <MeshFilter>();
mf.mesh = null;
if (mf.sharedMesh == null)
{
mf.sharedMesh = new Mesh();
}
mesh = mf.sharedMesh;
s = Parent._Spline;
if (shape == null)
{
shape = new ExtrudeShape();
}
shape.verts = verts.ToArray();
shape.normals = new Vector2[GetVertCount()];
shape.uCoords = new float[GetVertCount()];
float uLength = 0;
float[] pointPos = new float[GetVertCount()];
pointPos[0] = 0;
for (int i = 1; i < verts.Count; i++)
{
uLength += Vector2.Distance(verts[i - 1], verts[i]);
pointPos[i] = uLength;
}
for (int i = 0; i < GetVertCount(); i++)
{
shape.uCoords[i] = pointPos[i] / uLength;
float dx, dy;
Vector2 normal;
if (i == 0)
{
dx = shape.verts[1].x - shape.verts[0].x;
dy = shape.verts[1].y - shape.verts[0].y;
normal = new Vector2(dy, -dx);
shape.normals[i] = BezierUtil.Cross(new Vector2(dx, dy), normal) > 0 ? normal : new Vector2(-dy, dx);
}
else if (i == GetVertCount() - 1)
{
dx = shape.verts[0].x - shape.verts[i].x;
dy = shape.verts[0].y - shape.verts[i].y;
normal = new Vector2(dy, -dx);
}
else
{
dx = shape.verts[i + 1].x - shape.verts[i].x;
dy = shape.verts[i + 1].y - shape.verts[i].y;
normal = new Vector2(dy, -dx);
}
normal = BezierUtil.Cross(new Vector2(dy, dx), normal) > 0 ? normal : new Vector2(-dy, dx);
shape.normals[i] = normal.normalized;
//print(string.Format("{0}:{1}", i, normal.normalized));
}
float[] samples = BezierUtil.GenerateSamples(s.curvePoints.ToArray());
if (s != null)
{
OrientedPoint[] op = new OrientedPoint[s.curvePoints.Count];
string debug = "";
for (int i = 0; i < op.Length; i++)
{
//op[i] = BezierUtil.GetOrientedPoint(s.curvePoints.ToArray(), ((float)i / (float)op.Length), samples);
op[i] = new OrientedPoint(s.curvePoints[i], Quaternion.identity, samples.Sample(((float)i / (float)op.Length)));
//debug += " " + op[i].vCoordinate;
}
//Debug.Log(debug);
BezierUtil.Extrude(ref mesh, shape, op);
//mesh.RecalculateNormals();
}
else
{
Debug.Log("no s");
}
}