static public Plane MultiplyPlane(this Matrix4x4 item, Plane plane)
{
return(PlaneExtensions.CreateNormalAndPoint(
item.MultiplyVector(plane.normal),
item.MultiplyPoint(plane.GetOrigin())
));
}
static public void CalculateUVs(this Mesh item)
{
Vector2[] uvs = new Vector2[item.vertexCount];
for (int i = 0; i < item.vertexCount; i++)
{
Vector3 normal = item.normals[i];
Vector3 position = item.vertices[i];
PlaneSpace place = new PlaneSpace(PlaneExtensions.CreateNormalAndDistance(normal, 0.0f));
uvs[i] = place.ProjectPoint(position);
}
item.uv = uvs;
}
static public Plane GetPlane(this Triangle3 item)
{
return(PlaneExtensions.CreatePoints(item.v0, item.v1, item.v2));
}
static public Plane GetFlipped(this Plane item)
{
return(PlaneExtensions.CreateNormalAndPoint(-item.normal, item.GetOrigin()));
}