48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2015 Alec Jacobson <alecjacobson@gmail.com>
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public License
|
|
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
|
|
// obtain one at http://mozilla.org/MPL/2.0/.
|
|
#ifndef IGL_OPENGL2_PROJECT_H
|
|
#define IGL_OPENGL2_PROJECT_H
|
|
#include "../igl_inline.h"
|
|
#include <Eigen/Dense>
|
|
namespace igl
|
|
{
|
|
namespace opengl2
|
|
{
|
|
// Wrapper for gluProject that uses the current GL_MODELVIEW_MATRIX,
|
|
// GL_PROJECTION_MATRIX, and GL_VIEWPORT
|
|
// Inputs:
|
|
// obj* 3D objects' x, y, and z coordinates respectively
|
|
// Outputs:
|
|
// win* pointers to screen space x, y, and z coordinates respectively
|
|
// Returns return value of gluProject call
|
|
IGL_INLINE int project(
|
|
const double objX,
|
|
const double objY,
|
|
const double objZ,
|
|
double* winX,
|
|
double* winY,
|
|
double* winZ);
|
|
// Eigen wrapper
|
|
template <typename Derivedobj, typename Derivedwin>
|
|
IGL_INLINE int project(
|
|
const Eigen::PlainObjectBase<Derivedobj> & obj,
|
|
Eigen::PlainObjectBase<Derivedwin> & win);
|
|
// Eigen wrapper with return
|
|
template <typename Derivedobj>
|
|
IGL_INLINE Derivedobj project(
|
|
const Eigen::PlainObjectBase<Derivedobj> & obj);
|
|
}
|
|
}
|
|
|
|
#ifndef IGL_STATIC_LIBRARY
|
|
# include "project.cpp"
|
|
#endif
|
|
|
|
#endif
|
|
|