| #ifndef RTVIEW_CAMERA_HXX |
| #define RTVIEW_CAMERA_HXX |
| |
| #include "RTTL/common/RTInclude.hxx" |
| #include "RTTL/common/RTVec.hxx" |
| #include "RTTL/common/RTMatrix.hxx" |
| |
| using namespace RTTL; |
| |
| |
| class Camera |
| { |
| public: |
| |
| float angle; |
| Matrix4x4 matrix; |
| |
| Camera() |
| { |
| } |
| |
| |
| _INLINE void initMatrix(const RTVec3f &origin,const RTVec3f &direction,const RTVec3f &up, const float viewAngle) |
| { |
| RTVec3f ex = direction ^ up; |
| ex.normalize(); |
| RTVec3f ez = ex ^ direction; |
| ez.normalize(); |
| RTVec3f ey = direction; |
| ey.normalize(); |
| matrix.setCol(0,ey); //dir |
| matrix.setCol(1,ex); //right |
| matrix.setCol(2,ez); //up |
| matrix.setCol(3,origin); //view-pt |
| angle = viewAngle; |
| } |
| |
| |
| _INLINE void rotateGlobal(RTVec3f dir,float angle) |
| { |
| Matrix4x4 rot; |
| rot.setIdentity(); |
| rot.setRotationPart(dir, angle); |
| Matrix4x4 m1 = matrix; |
| |
| RTVec3f pos = matrix.getCol(3); |
| matrix = rot * m1; |
| matrix.setCol(3,pos); |
| } |
| |
| _INLINE void rotateLocal(RTVec3f dir,float angle) |
| { |
| Matrix4x4 rot; |
| rot.setIdentity(); |
| rot.setRotationPart(dir, angle); |
| Matrix4x4 m1 = matrix; |
| matrix = m1 * rot; |
| } |
| |
| _INLINE void moveLocal(RTVec3f dir) |
| { |
| Matrix4x4 move; |
| move.setIdentity(); |
| move.setTranslationPart(dir); |
| Matrix4x4 m1 = matrix; |
| matrix = m1 * move; |
| } |
| |
| _INLINE RTVec3f getOrigin() |
| { |
| return matrix.getCol(3); |
| } |
| |
| _INLINE RTVec3f getDirection() |
| { |
| return matrix.getCol(0); |
| } |
| |
| _INLINE RTVec3f getUp() |
| { |
| return matrix.getCol(2); |
| } |
| |
| _INLINE void setOrigin(RTVec3f v) |
| { |
| return matrix.setCol(3,v); |
| } |
| |
| _INLINE void setDirection(RTVec3f v) |
| { |
| return matrix.setCol(0,v); |
| } |
| |
| _INLINE void setUp(RTVec3f v) |
| { |
| return matrix.setCol(2,v); |
| } |
| |
| _INLINE float getAngle() |
| { |
| return angle; |
| } |
| }; |
| |
| #endif |
