void PlayerCameraOgre::onScrollWheelUp()
{
mCameraDistance -= ZOOM_STEP;
if (mCameraDistance < MIN_CAMERA_DISTANCE)
mCameraDistance = MIN_CAMERA_DISTANCE;
adjustDistance();
}
void PlayerCameraOgre::onScrollWheelDown()
{
mCameraDistance += ZOOM_STEP;
if (mCameraDistance > MAX_CAMERA_DISTANCE)
mCameraDistance = MAX_CAMERA_DISTANCE;
adjustDistance();
}
void PlayerCameraOgre::onRightButtonPressed()
{
if (!mRightButtonPressedLastFrame)
mMousePosLastFrame = mMouse->getPosition();
mp::Vector2i diff = mMouse->getPosition() - mMousePosLastFrame;
const mp::Vector3f &playerPos = mPlayer->model()->getPosition();
Ogre::Vector3 pivotPoint(playerPos.getX(), playerPos.getY() + mPivotHeight, playerPos.getZ());
float yaw = (float)diff.getX() * CAMERA_SPEED;
float pitch = (float)-diff.getY() * CAMERA_SPEED;
Ogre::Quaternion yawQuat;
yawQuat.FromAngleAxis(Ogre::Radian(yaw), Ogre::Vector3::UNIT_Y);
Ogre::Matrix3 yawMat;
yawQuat.ToRotationMatrix(yawMat);
Ogre::Vector3 pivotToPos = Ogre::Vector3(mRealPosition.getX(), mRealPosition.getY(), mRealPosition.getZ()) - pivotPoint;
Ogre::Matrix4 pos(1, 0, 0, pivotToPos.x,
0, 1, 0, pivotToPos.y,
0, 0, 1, pivotToPos.z,
0, 0, 0, 1);
Ogre::Vector3 xz(pivotToPos.x, 0, pivotToPos.z);
Ogre::Vector3 norm(-xz.z, 0, xz.x);
Ogre::Quaternion pitchQuat;
pitchQuat.FromAngleAxis(Ogre::Radian(pitch), norm);
Ogre::Matrix3 pitchMat;
pitchQuat.ToRotationMatrix(pitchMat);
Ogre::Matrix4 toPivot(1, 0, 0, pivotPoint.x,
0, 1, 0, pivotPoint.y,
0, 0, 1, pivotPoint.z,
0, 0, 0, 1);
Ogre::Matrix4 newPosMat = pos * pitchMat * yawMat * toPivot;
newPosMat = newPosMat.inverse();
Ogre::Vector3 newPos = newPosMat.getTrans();
mRealPosition.set(-newPos.x, -newPos.y, -newPos.z);
setPosition(mRealPosition);
lookAt(pivotPoint.x, pivotPoint.y, pivotPoint.z);
adjustDistance();
mMousePosLastFrame = mMouse->getPosition();
mRightButtonPressedLastFrame = true;
}
void SphereState::decrementDistanceInTime(double deltaTime) {
distance -= 0.5 * deltaTime;
adjustDistance();
}
