void mouse_callback(GLFWwindow* window, double xpos, double ypos)
{
int state = glfwGetMouseButton(window, GLFW_MOUSE_BUTTON_LEFT);
if (state == GLFW_PRESS)
{
processMouseMovement(xpos, ypos);
}
mousePosX = xpos;
mousePosY = ypos;
}
void TrackballCamera::handleEvent(Event *event) {
if(event->getDispatcher() == trackballShape) {
InputEvent *inputEvent = (InputEvent*) event;
switch(event->getEventCode()) {
case InputEvent::EVENT_MOUSEDOWN:
if(isNavKeyDown() || inputEvent->mouseButton == CoreInput::MOUSE_BUTTON3) {
if(coreInput->getKeyState(KEY_LSHIFT) || coreInput->getKeyState(KEY_RSHIFT)) {
mouseMode = MOUSE_MODE_PANNING;
trackBallMouseStart = Vector2(
inputEvent->getMousePosition().x / trackballShape->getWidth(),
inputEvent->getMousePosition().y / trackballShape->getHeight()
);
trackBallMouseEnd = trackBallMouseStart;
} else if(coreInput->getKeyState(KEY_LCTRL) || coreInput->getKeyState(KEY_RCTRL)) {
mouseMode = MOUSE_MODE_ZOOMING;
trackBallMouseStart = Vector2(
inputEvent->getMousePosition().x / trackballShape->getWidth(),
inputEvent->getMousePosition().y / trackballShape->getHeight()
);
trackBallMouseEnd = trackBallMouseStart;
} else {
if(!rotationDisabled) {
mouseMode = MOUSE_MODE_ORBITING;
trackBallMouseStart = trackBallMouseEnd = Vector2(
inputEvent->getMousePosition().x / trackballShape->getWidth(),
inputEvent->getMousePosition().y / trackballShape->getHeight()
);
}
}
}
break;
case InputEvent::EVENT_MOUSEUP:
case InputEvent::EVENT_MOUSEUP_OUTSIDE:
mouseMode = MOUSE_MODE_IDLE;
break;
case InputEvent::EVENT_MOUSEMOVE:
processMouseMovement(inputEvent->getMousePosition());
break;
case InputEvent::EVENT_MOUSEWHEEL_UP:
cameraDistance *= 0.9;
updateCamera();
break;
case InputEvent::EVENT_MOUSEWHEEL_DOWN:
cameraDistance *= 1.1;
updateCamera();
break;
}
return;
}
}