void CameraFlyer::update()
{
bool goingForward = gVirtualInput().isButtonHeld(mMoveForward);
bool goingBack = gVirtualInput().isButtonHeld(mMoveBack);
bool goingLeft = gVirtualInput().isButtonHeld(mMoveLeft);
bool goingRight = gVirtualInput().isButtonHeld(mMoveRight);
bool fastMove = gVirtualInput().isButtonHeld(mFastMove);
bool camRotating = gVirtualInput().isButtonHeld(mRotateCam);
if (camRotating != mLastButtonState)
{
if (camRotating)
Cursor::instance().hide();
else
Cursor::instance().show();
mLastButtonState = camRotating;
}
float frameDelta = gTime().getFrameDelta();
if (camRotating)
{
mYaw += Degree(gVirtualInput().getAxisValue(mHorizontalAxis) * ROTATION_SPEED * frameDelta);
mPitch += Degree(gVirtualInput().getAxisValue(mVerticalAxis) * ROTATION_SPEED * frameDelta);
mYaw = wrapAngle(mYaw);
mPitch = wrapAngle(mPitch);
Quaternion yRot;
yRot.fromAxisAngle(Vector3::UNIT_Y, Radian(mYaw));
Quaternion xRot;
xRot.fromAxisAngle(Vector3::UNIT_X, Radian(mPitch));
Quaternion camRot = yRot * xRot;
camRot.normalize();
SO()->setRotation(camRot);
}
Vector3 direction = Vector3::ZERO;
if (goingForward) direction += SO()->getForward();
if (goingBack) direction -= SO()->getForward();
if (goingRight) direction += SO()->getRight();
if (goingLeft) direction -= SO()->getRight();
if (direction.squaredLength() != 0)
{
direction.normalize();
float multiplier = 1.0f;
if (fastMove)
multiplier = FAST_MODE_MULTIPLIER;
mCurrentSpeed = Math::clamp(mCurrentSpeed + ACCELERATION * frameDelta, START_SPEED, TOP_SPEED);
mCurrentSpeed *= multiplier;
}
else
{
mCurrentSpeed = 0.0f;
}
float tooSmall = std::numeric_limits<float>::epsilon();
if (mCurrentSpeed > tooSmall)
{
Vector3 velocity = direction * mCurrentSpeed;
SO()->move(velocity * frameDelta);
}
}
void CameraFlyer::update()
{
// Check if any movement or rotation keys are being held
bool goingForward = gVirtualInput().isButtonHeld(mMoveForward);
bool goingBack = gVirtualInput().isButtonHeld(mMoveBack);
bool goingLeft = gVirtualInput().isButtonHeld(mMoveLeft);
bool goingRight = gVirtualInput().isButtonHeld(mMoveRight);
bool fastMove = gVirtualInput().isButtonHeld(mFastMove);
bool camRotating = gVirtualInput().isButtonHeld(mRotateCam);
// If switch to or from rotation mode, hide or show the cursor
if (camRotating != mLastButtonState)
{
if (camRotating)
Cursor::instance().hide();
else
Cursor::instance().show();
mLastButtonState = camRotating;
}
// If camera is rotating, apply new pitch/yaw rotation values depending on the amount of rotation from the
// vertical/horizontal axes.
float frameDelta = gTime().getFrameDelta();
if (camRotating)
{
mYaw += Degree(gVirtualInput().getAxisValue(mHorizontalAxis) * ROTATION_SPEED * frameDelta);
mPitch += Degree(gVirtualInput().getAxisValue(mVerticalAxis) * ROTATION_SPEED * frameDelta);
mYaw = wrapAngle(mYaw);
mPitch = wrapAngle(mPitch);
Quaternion yRot;
yRot.fromAxisAngle(Vector3::UNIT_Y, Radian(mYaw));
Quaternion xRot;
xRot.fromAxisAngle(Vector3::UNIT_X, Radian(mPitch));
Quaternion camRot = yRot * xRot;
camRot.normalize();
SO()->setRotation(camRot);
}
// If the movement button is pressed, determine direction to move in
Vector3 direction = Vector3::ZERO;
if (goingForward) direction += SO()->getForward();
if (goingBack) direction -= SO()->getForward();
if (goingRight) direction += SO()->getRight();
if (goingLeft) direction -= SO()->getRight();
// If a direction is chosen, normalize it to determine final direction.
if (direction.squaredLength() != 0)
{
direction.normalize();
// Apply fast move multiplier if the fast move button is held.
float multiplier = 1.0f;
if (fastMove)
multiplier = FAST_MODE_MULTIPLIER;
// Calculate current speed of the camera
mCurrentSpeed = Math::clamp(mCurrentSpeed + ACCELERATION * frameDelta, START_SPEED, TOP_SPEED);
mCurrentSpeed *= multiplier;
}
else
{
mCurrentSpeed = 0.0f;
}
// If the current speed isn't too small, move the camera in the wanted direction
float tooSmall = std::numeric_limits<float>::epsilon();
if (mCurrentSpeed > tooSmall)
{
Vector3 velocity = direction * mCurrentSpeed;
SO()->move(velocity * frameDelta);
}
}
