//----------------------------------------
void ofCamera::setupPerspective(bool vFlip, float fov, float nearDist, float farDist, const ofVec2f & lensOffset){
float viewW = ofGetViewportWidth();
float viewH = ofGetViewportHeight();
float eyeX = viewW / 2;
float eyeY = viewH / 2;
float halfFov = PI * fov / 360;
float theTan = tanf(halfFov);
float dist = eyeY / theTan;
if(nearDist == 0) nearDist = dist / 10.0f;
if(farDist == 0) farDist = dist * 10.0f;
setFov(fov);
setNearClip(nearDist);
setFarClip(farDist);
setLensOffset(lensOffset);
setForceAspectRatio(false);
setPosition(eyeX,eyeY,dist);
lookAt(ofVec3f(eyeX,eyeY,0),ofVec3f(0,1,0));
if(vFlip){
setScale(1,-1,1);
}
}
//----------------------------------------
void ofCamera::setupPerspective(bool _vFlip, float fov, float nearDist, float farDist, const ofVec2f & lensOffset){
ofRectangle orientedViewport = ofGetNativeViewport();
float eyeX = orientedViewport.width / 2;
float eyeY = orientedViewport.height / 2;
float halfFov = PI * fov / 360;
float theTan = tanf(halfFov);
float dist = eyeY / theTan;
if(nearDist == 0) nearDist = dist / 10.0f;
if(farDist == 0) farDist = dist * 10.0f;
setFov(fov);
setNearClip(nearDist);
setFarClip(farDist);
setLensOffset(lensOffset);
setForceAspectRatio(false);
setPosition(eyeX,eyeY,dist);
lookAt(ofVec3f(eyeX,eyeY,0),ofVec3f(0,1,0));
vFlip = _vFlip;
}
//----------------------------------------
void ofCamera::setAspectRatio(float aspectRatio){
this->aspectRatio = aspectRatio;
setForceAspectRatio(true);
}
