void App::handleEvent(Event *e)
{
// Handle the input
if (e->getDispatcher() == core->getInput())
{
InputEvent* inputEvent = (InputEvent*)e;
if (e->getEventCode() == InputEvent::EVENT_MOUSEWHEEL_UP)
{
// Zoomin by 10%
this->camOffset.x -= this->camOffset.x * 0.1;
if (this->camOffset.x < 0)
this->camOffset.x = 0;
}
else if (e->getEventCode() == InputEvent::EVENT_MOUSEWHEEL_DOWN)
{
// Zoomout by 10%
this->camOffset.x += this->camOffset.x * 0.1;
}
else if (e->getEventCode() == InputEvent::EVENT_KEYDOWN)
{
if (inputEvent->keyCode() == KEY_LEFT)
{
// Cycle to the left
int index = universe->entities().indexOf(this->viewTarget);
int size = universe->entities().size();
if (index == 0)
index = size - 1;
else
index -= 1;
this->viewTarget = universe->entities().at(index);
}
else if (inputEvent->keyCode() == KEY_RIGHT)
{
// Cycle to the right
int index = universe->entities().indexOf(this->viewTarget);
int size = universe->entities().size();
if (index == size - 1)
index = 0;
else
index += 1;
this->viewTarget = universe->entities().at(index);
}
else if (inputEvent->keyCode() == KEY_UP)
{
// Increase time simulated
if (deltaIndex < DELTA_SIZE - 1)
deltaIndex++;
this->universe->setDeltaTime(this->deltaTimes[this->deltaIndex]);
}
else if (inputEvent->keyCode() == KEY_DOWN)
{
// Decrease time simulated
if (deltaIndex > 0)
this->deltaIndex--;
this->universe->setDeltaTime(this->deltaTimes[this->deltaIndex]);
}
}
else if (e->getEventCode() == InputEvent::EVENT_MOUSEDOWN)
{
// Right mouse button is held
if (inputEvent->getMouseButton() == CoreInput::MOUSE_BUTTON2)
this->mouseDown = true;
}
else if (e->getEventCode() == InputEvent::EVENT_MOUSEUP)
{
// Right mouse button is no longer held
if (inputEvent->getMouseButton() == CoreInput::MOUSE_BUTTON2)
this->mouseDown = false;
}
else if (e->getEventCode() == InputEvent::EVENT_MOUSEMOVE)
{
// Move the camera offset
if (this->mouseDown)
{
Vector2 delta = this->core->getInput()->getMouseDelta();
this->camOffset.y += -1 * PI * delta.y * 0.001;
this->camOffset.z += -1 * PI * delta.x * 0.001;
// Clamp theta to [0,PI]
if (this->camOffset.y > PI)
this->camOffset.y = PI;
else if (this->camOffset.y < 0)
this->camOffset.y = 0;
// Allow phi to wrap around from [0,2*PI]
if (this->camOffset.z < 0)
this->camOffset.z = 2 * PI;
else if (this->camOffset.z > 2 * PI)
this->camOffset.z = 0;
}
}
}
}
