static public bool IsIntersecting(this PlaneSpace item, Plane plane, out Plane2 output)
{
Ray ray;
if (item.plane.IsIntersecting(plane, out ray))
{
output = Plane2Extensions.CreatePointsAndInsidePoint(
item.ProjectPoint(ray.origin),
item.ProjectPoint(ray.origin + ray.direction),
item.ProjectPoint(ray.origin - plane.normal)
);
return(true);
}
output = default(Plane2);
return(false);
}
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 Triangle2 ProjectTriangle(this PlaneSpace item, Triangle3 triangle)
{
return(new Triangle2(item.ProjectPoint(triangle.v0), item.ProjectPoint(triangle.v1), item.ProjectPoint(triangle.v2)));
}
static public LineSegment2 ProjectLineSegment(this PlaneSpace item, LineSegment3 line_segment)
{
return(new LineSegment2(item.ProjectPoint(line_segment.v0), item.ProjectPoint(line_segment.v1)));
}
static public Vector2 ProjectVector(this PlaneSpace item, Vector3 vector)
{
return(item.ProjectPoint(vector + item.origin));
}
static public IEnumerable <Vector2> ProjectPoints(this PlaneSpace item, IEnumerable <Vector3> points)
{
return(points.Convert(p => item.ProjectPoint(p)));
}
