Serious-Engine/Sources/Engine/Math/Projection_DOUBLE.h

82 lines
3.0 KiB
C
Raw Normal View History

2016-03-11 14:57:17 +01:00
/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
#ifndef SE_INCL_PROJECTION_DOUBLE_H
#define SE_INCL_PROJECTION_DOUBLE_H
#ifdef PRAGMA_ONCE
#pragma once
#endif
#include <Engine/Math/Vector.h>
#include <Engine/Math/Matrix.h>
#include <Engine/Math/Placement.h>
#include <Engine/Math/TextureMapping.h>
/*
* Geometric projection of one 3D space onto another 3D space
*/
class ENGINE_API CSimpleProjection3D_DOUBLE {
public:
// factors set by user
CPlacement3D pr_ObjectPlacement; // placement of the projected object
CPlacement3D pr_ViewerPlacement; // placement of the viewer
FLOAT3D pr_ObjectStretch; // stretching coeficients for target object space
// internal variables
BOOL pr_Prepared; // set if all precalculated variables are prepared
DOUBLEmatrix3D pr_RotationMatrix; // matrix for rotating when projecting
DOUBLEmatrix3D pr_ViewerRotationMatrix; // viewer part of rotation matrix
DOUBLE3D pr_TranslationVector; // vector for translating when projecting
public:
// construction/destruction
/* Default constructor. */
CSimpleProjection3D_DOUBLE(void);
// member referencing
/* Reference viewer placement. */
inline CPlacement3D &ViewerPlacementL(void) {
IFDEBUG(pr_Prepared = FALSE); // invalidate precalculations on any non-const access
return pr_ViewerPlacement;
}
inline const CPlacement3D &ViewerPlacementR(void) const {
return pr_ViewerPlacement;
}
/* Reference object placement. */
inline CPlacement3D &ObjectPlacementL(void) {
IFDEBUG(pr_Prepared = FALSE); // invalidate precalculations on any non-const access
return pr_ObjectPlacement;
}
inline const CPlacement3D &ObjectPlacementR(void) const {
return pr_ObjectPlacement;
}
/* Reference target object stretching. */
inline FLOAT3D &ObjectStretchL(void) {
IFDEBUG(pr_Prepared = FALSE); // invalidate precalculations on any non-const access
return pr_ObjectStretch;
}
inline const FLOAT3D &ObjectStretchR(void) const {
return pr_ObjectStretch;
}
/* Prepare for projecting. */
void Prepare(void);
/* Project 3D object point into 3D view space. */
void ProjectCoordinate(const DOUBLE3D &v3dObjectPoint, DOUBLE3D &v3dViewPoint) const;
/* Project 3D object direction vector into 3D view space. */
void ProjectDirection(const DOUBLE3D &v3dObjectPoint, DOUBLE3D &v3dViewPoint) const;
/* Project 3D object placement into 3D view space. */
void ProjectPlacement(const CPlacement3D &plObject, CPlacement3D &plView) const;
/* Project 3D object mapping into 3D view space. */
void ProjectMapping(const CMappingDefinition &mdObject, const DOUBLEplane3D &plObject,
CMappingDefinition &mdView) const;
/* Project 3D object axis aligned bounding box into 3D view space. */
void ProjectAABBox(const DOUBLEaabbox3D &boxObject, DOUBLEaabbox3D &boxView) const;
/* Project 3D object plane into 3D view space. */
void Project(const DOUBLEplane3D &p3dObjectPlane, DOUBLEplane3D &v3dTransformedPlane) const;
};
#endif /* include-once check. */