public static Vector3 ProjectOnQuadTangentialToPlanet(Vector3 center, Vector2 point)
{
Vector3 a = default(Vector3);
Vector3 a2 = default(Vector3);
WorldRendererUtility.GetTangentsToPlanet(center, out a, out a2, false);
return(point.x * a + point.y * a2);
}
public static void PrintQuadTangentialToPlanet(Vector3 pos, Vector3 posForTangents, float size, float altOffset, LayerSubMesh subMesh, bool counterClockwise = false, bool randomizeRotation = false, bool printUVs = true)
{
Vector3 a = default(Vector3);
Vector3 a2 = default(Vector3);
WorldRendererUtility.GetTangentsToPlanet(posForTangents, out a, out a2, randomizeRotation);
Vector3 normalized = posForTangents.normalized;
float d = (float)(size * 0.5);
Vector3 item = pos - a * d - a2 * d + normalized * altOffset;
Vector3 item2 = pos - a * d + a2 * d + normalized * altOffset;
Vector3 item3 = pos + a * d + a2 * d + normalized * altOffset;
Vector3 item4 = pos + a * d - a2 * d + normalized * altOffset;
int count = subMesh.verts.Count;
subMesh.verts.Add(item);
subMesh.verts.Add(item2);
subMesh.verts.Add(item3);
subMesh.verts.Add(item4);
if (printUVs)
{
subMesh.uvs.Add(new Vector2(0f, 0f));
subMesh.uvs.Add(new Vector2(0f, 1f));
subMesh.uvs.Add(new Vector2(1f, 1f));
subMesh.uvs.Add(new Vector2(1f, 0f));
}
if (counterClockwise)
{
subMesh.tris.Add(count + 2);
subMesh.tris.Add(count + 1);
subMesh.tris.Add(count);
subMesh.tris.Add(count + 3);
subMesh.tris.Add(count + 2);
subMesh.tris.Add(count);
}
else
{
subMesh.tris.Add(count);
subMesh.tris.Add(count + 1);
subMesh.tris.Add(count + 2);
subMesh.tris.Add(count);
subMesh.tris.Add(count + 2);
subMesh.tris.Add(count + 3);
}
}
