void AppWindow::motion ( int x, int y )
{
int dx = last_x - x;
int dy = y - last_y;
// Handle GUI interaction in nvGui by calling guiMouseDrag
if ( guiMouseDrag ( x, y ) ) return;
// Camera interaction
Camera3D* cam = scene.getCamera ();
switch ( cam_mode ) {
case MODE_CAMERA:
if ( dragging == NVPWindow::MOUSE_BUTTON_LEFT ) {
Vector4DF angs = cam->getAng();
angs.x += dx*.1;
angs.y += dy*.1;
cam->setOrbit ( angs, cam->getToPos(), cam->getOrbitDist(), cam->getOrbitDist() );
//cam->moveOrbit ( dx*.1, dy*.1, 0, 0 );
} else if ( dragging == NVPWindow::MOUSE_BUTTON_MIDDLE ) {
cam->moveRelative ( dx*.1, dy*.1, 0 );
} else if ( dragging == NVPWindow::MOUSE_BUTTON_RIGHT ) {
float orb = cam->getOrbitDist() + dy*0.1;
cam->setOrbit ( cam->getAng(), cam->getToPos(), orb, orb);
}
break;
case MODE_FOV:
if ( dragging == NVPWindow::MOUSE_BUTTON_LEFT ) {
cam->setFov ( cam->getFov() + dy*.1 );
}
break;
case MODE_LIGHT:
Light* light = scene.getLight();
if ( dragging == NVPWindow::MOUSE_BUTTON_LEFT ) {
light->moveOrbit ( dx*0.1, dy*0.1, 0, 0 );
} else if ( dragging == NVPWindow::MOUSE_BUTTON_RIGHT ) {
light->moveOrbit ( 0, 0, dy*0.1, 0 );
}
break;
}
last_x = x;
last_y = y;
}
// This function called by both OpenGL (GLUT) and DirectX
void mouse_click_func ( int button, int state, int x, int y )
{
cangs = cam.getAng();
ctp = cam.getToPos();
cdist = cam.getOrbitDist();
if ( state==GLUT_DOWN && guiMouseDown ( x, y ) ) return; // event handling for nv2D GUIs
if( state == GLUT_DOWN ) {
if ( button == GLUT_LEFT_BUTTON ) dragging = DRAG_LEFT;
else if ( button == GLUT_RIGHT_BUTTON ) dragging = DRAG_RIGHT;
last_x = x;
last_y = y;
} else if ( state==GLUT_UP ) {
dragging = DRAG_OFF;
}
}
void AppWindow::mouse ( NVPWindow::MouseButton button, ButtonAction action, int mods, int x, int y )
{
Vector3DF cangs, ctp;
float cdist;
Camera3D* cam = scene.getCamera ();
cangs = cam->getAng();
ctp = cam->getToPos();
cdist = cam->getOrbitDist();
if ( action==NVPWindow::BUTTON_PRESS && guiMouseDown ( x, y ) ) return;
if( action==NVPWindow::BUTTON_PRESS ) {
dragging = (int) button;
last_x = x;
last_y = y;
} else if ( action==NVPWindow::BUTTON_RELEASE ) {
dragging = -1;
}
}
