bool CameraTool::handleDrag(InputState& inputState) {
if (inputState.mouseButtons() == MouseButtons::MBRight) {
if (m_orbit) {
CameraOrbitEvent cameraEvent;
cameraEvent.setHAngle(inputState.deltaX() * lookSpeed(false));
cameraEvent.setVAngle(inputState.deltaY() * lookSpeed(true));
cameraEvent.setCenter(m_orbitCenter);
postEvent(cameraEvent);
} else {
CameraLookEvent cameraEvent;
cameraEvent.setHAngle(inputState.deltaX() * lookSpeed(false));
cameraEvent.setVAngle(inputState.deltaY() * lookSpeed(true));
postEvent(cameraEvent);
}
} else if (inputState.mouseButtons() == MouseButtons::MBMiddle) {
Preferences::PreferenceManager& prefs = Preferences::PreferenceManager::preferences();
bool enableAltMove = prefs.getBool(Preferences::CameraEnableAltMove);
CameraMoveEvent cameraEvent;
if (enableAltMove && inputState.modifierKeys() == ModifierKeys::MKAlt) {
cameraEvent.setRight(inputState.deltaX() * panSpeed(false));
cameraEvent.setForward(inputState.deltaY() * -moveSpeed(true));
} else {
cameraEvent.setRight(inputState.deltaX() * panSpeed(false));
cameraEvent.setUp(inputState.deltaY() * panSpeed(true));
}
postEvent(cameraEvent);
}
return true;
}
void CameraTool::handleScroll(InputState& inputState) {
if (inputState.modifierKeys() != ModifierKeys::MKNone &&
inputState.modifierKeys() != ModifierKeys::MKAlt)
return;
if (m_orbit) {
const Renderer::Camera& camera = inputState.camera();
Planef orbitPlane(camera.direction(), m_orbitCenter);
float maxForward = orbitPlane.intersectWithRay(Rayf(camera.position(), camera.direction())) - 32.0f;
float forward = inputState.scrollY() * moveSpeed(false);
if (maxForward < 0.0f)
maxForward = 0.0f;
if (forward > maxForward)
forward = maxForward;
CameraMoveEvent cameraEvent;
cameraEvent.setForward(forward);
postEvent(cameraEvent);
} else {
Preferences::PreferenceManager& prefs = Preferences::PreferenceManager::preferences();
const Renderer::Camera& camera = inputState.camera();
const Vec3f moveDirection = prefs.getBool(Preferences::CameraMoveInCursorDir) ? inputState.pickRay().direction : camera.direction();
const float distance = inputState.scrollY() * moveSpeed(false);
const Vec3f moveVector = distance * moveDirection;
CameraMoveEvent cameraEvent;
cameraEvent.setForward(moveVector.dot(camera.direction()));
cameraEvent.setRight(moveVector.dot(camera.right()));
cameraEvent.setUp(moveVector.dot(camera.up()));
postEvent(cameraEvent);
}
}
void CameraTool::handleScroll(InputState& inputState) {
if (inputState.modifierKeys() != ModifierKeys::MKNone &&
inputState.modifierKeys() != ModifierKeys::MKAlt)
return;
if (m_orbit) {
const Renderer::Camera& camera = inputState.camera();
Plane orbitPlane(camera.direction(), m_orbitCenter);
float maxForward = orbitPlane.intersectWithRay(Ray(camera.position(), camera.direction())) - 32.0f;
float forward = inputState.scrollY() * moveSpeed();
if (maxForward < 0.0f)
maxForward = 0.0f;
if (forward > maxForward)
forward = maxForward;
CameraMoveEvent cameraEvent;
cameraEvent.setForward(forward);
postEvent(cameraEvent);
} else {
CameraMoveEvent cameraEvent;
cameraEvent.setForward(inputState.scrollY() * moveSpeed());
cameraEvent.setRight(inputState.scrollX() * moveSpeed());
postEvent(cameraEvent);
}
}
bool CameraTool::handleDrag(InputState& inputState) {
if (inputState.mouseButtons() == MouseButtons::MBRight) {
if (m_orbit) {
CameraOrbitEvent cameraEvent;
cameraEvent.setHAngle(inputState.deltaX() * lookSpeed(false));
cameraEvent.setVAngle(inputState.deltaY() * lookSpeed(true));
cameraEvent.setCenter(m_orbitCenter);
postEvent(cameraEvent);
} else {
CameraLookEvent cameraEvent;
cameraEvent.setHAngle(inputState.deltaX() * lookSpeed(false));
cameraEvent.setVAngle(inputState.deltaY() * lookSpeed(true));
postEvent(cameraEvent);
}
} else if (inputState.mouseButtons() == MouseButtons::MBMiddle) {
CameraMoveEvent cameraEvent;
cameraEvent.setRight(inputState.deltaX() * panSpeed(false));
cameraEvent.setUp(inputState.deltaY() * panSpeed(true));
postEvent(cameraEvent);
}
return true;
}