//----------------------------------------
void ofCamera::begin(ofRectangle viewport) {
if(!isActive) ofPushView();
isActive = true;
ofSetCoordHandedness(OF_RIGHT_HANDED);
// autocalculate near/far clip planes if not set by user
calcClipPlanes(viewport);
glMatrixMode(GL_PROJECTION);
ofLoadIdentityMatrix();
if(isOrtho) {
// if(vFlip) glOrtho(0, width, height, 0, nearDist, farDist);
// else
#ifndef TARGET_OPENGLES
glOrtho(0, viewport.width, 0, viewport.height, nearClip, farClip);
#else
ofMatrix4x4 ortho;
ortho.makeOrthoMatrix(0, viewport.width, 0, viewport.height, nearClip, farClip);
ofLoadMatrix( ortho );
#endif
} else {
ofMatrix4x4 persp;
persp.makePerspectiveMatrix( fov, viewport.width/viewport.height, nearClip, farClip );
ofLoadMatrix( persp );
//gluPerspective(fov, viewport.width/viewport.height, nearClip, farClip);
}
glMatrixMode(GL_MODELVIEW);
ofLoadMatrix( ofMatrix4x4::getInverseOf(getGlobalTransformMatrix()) );
ofViewport(viewport);
}
//----------------------------------------
void ofCamera::begin(ofRectangle viewport) {
if(!isActive) ofPushView();
isActive = true;
ofSetCoordHandedness(OF_RIGHT_HANDED);
// autocalculate near/far clip planes if not set by user
calcClipPlanes(viewport);
ofSetMatrixMode(OF_MATRIX_PROJECTION);
ofLoadIdentityMatrix();
ofLoadMatrix( this->getProjectionMatrix(viewport) );
ofSetMatrixMode(OF_MATRIX_MODELVIEW);
ofLoadMatrix( ofMatrix4x4::getInverseOf(getGlobalTransformMatrix()) );
ofViewport(viewport);
}