114 lines
2.4 KiB
C++
114 lines
2.4 KiB
C++
/*
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* $Id: camera.cpp,v 1.5 2002/07/22 01:14:14 msell Exp $
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*
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*
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* $Log: camera.cpp,v $
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* Revision 1.5 2002/07/22 01:14:14 msell
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* Lopetussysteemi
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*
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* Revision 1.4 2002/06/17 20:49:04 msell
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* free -> SDL_FreeSurface
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*
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* Revision 1.3 2002/06/16 01:04:58 jkaarlas
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* tulipa säädettyä includejen kanssa. oon tod.näk. eri mieltä aamulla
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*
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* Revision 1.2 2002/06/03 23:06:38 msell
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* no message
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*
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* Revision 1.1 2002/05/16 18:42:07 msell
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* Vektorifunctioita ja kamera
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*
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*
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*
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* $Date: 2002/07/22 01:14:14 $
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*
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*/
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#include "main.h"
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#include "camera.h"
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#include "vector.h"
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#include "glapi.h"
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Camera::Camera(void){
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right = &matrix[0];
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up = &matrix[3];
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forward = &matrix[6];
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vectorSet(position, 0, 2, 2);
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vectorSet(target, 0, 0, 0);
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vectorSet(up, 0, 1, 0);
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calculateMatrix();
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}
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void Camera::setPosition(float position[3]){
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vectorCopy(this->position, position);
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}
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void Camera::setPosition(float x, float y, float z){
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this->position[0] = x;
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this->position[1] = y;
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this->position[2] = z;
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}
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void Camera::getPosition(float *position){
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vectorCopy(position, this->position);
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}
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void Camera::setTarget(float target[3]){
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vectorCopy(this->target, target);
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}
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void Camera::getTarget(float *target){
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vectorCopy(target, this->target);
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}
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void Camera::setUp(float up[3]){
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vectorCopy(this->up, up);
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}
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void Camera::getMatrix(float *matrix){
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vectorCopy(&matrix[0], &this->matrix[0]);
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vectorCopy(&matrix[3], &this->matrix[3]);
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vectorCopy(&matrix[6], &this->matrix[6]);
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}
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void Camera::moveRight(float amount){
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float movevector[3];
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vectorScale(movevector, right, amount);
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vectorAdd(position, movevector);
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//vectorAdd(target, movevector);
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calculateMatrix();
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}
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void Camera::moveUp(float amount){
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float movevector[3];
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vectorScale(movevector, up, amount);
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vectorAdd(position, movevector);
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//vectorAdd(target, movevector);
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calculateMatrix();
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}
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void Camera::moveForward(float amount){
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float movevector[3];
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vectorScale(movevector, forward, amount);
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vectorAdd(position, movevector);
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//vectorAdd(target, movevector);
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calculateMatrix();
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}
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void Camera::glUpdate(void){
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//glLoadIdentity();
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gluLookAt(position[0], position[1], position[2],
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target[0], target[1], target[2],
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up[0], up[1], up[2]);
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}
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void Camera::calculateMatrix(void){
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vectorSub(forward, target, position);
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vectorNormalize(forward);
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vectorCross(right, forward, up);
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}
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