void PointLightRenderer::UpdatePointLight(const DX::StepTimer& gameTime)
{
static float pointLightIntensity = 1.0f;
float elapsedTime = static_cast<float>(gameTime.GetElapsedSeconds());
GamePad::State gamePadState = mGamePad->CurrentState();
if (gamePadState.IsConnected())
{
// Update point light intensity
if (mGamePad->IsButtonDown(GamePadButton::X) && pointLightIntensity <= 1.0f)
{
pointLightIntensity += elapsedTime;
pointLightIntensity = min(pointLightIntensity, 1.0f);
mPixelCBufferPerFrameData.LightColor = XMFLOAT4(pointLightIntensity, pointLightIntensity, pointLightIntensity, 1.0f);
mPointLight->SetColor(mPixelCBufferPerFrameData.LightColor);
}
if (mGamePad->IsButtonDown(GamePadButton::Y) && pointLightIntensity >= 0.0f)
{
pointLightIntensity -= elapsedTime;
pointLightIntensity = max(pointLightIntensity, 0.0f);
mPixelCBufferPerFrameData.LightColor = XMFLOAT4(pointLightIntensity, pointLightIntensity, pointLightIntensity, 1.0f);
mPointLight->SetColor(mPixelCBufferPerFrameData.LightColor);
}
// Move point light
XMFLOAT3 movementAmount = Vector3Helper::Zero;
if (!bIsCameraControlled)
{
if (gamePadState.IsLeftThumbStickLeft())
{
movementAmount.x = -1.0f;
}
if (gamePadState.IsLeftThumbStickRight())
{
movementAmount.x = 1.0f;
}
if (gamePadState.IsLeftThumbStickUp())
{
movementAmount.y = 1.0f;
}
if (gamePadState.IsLeftThumbStickDown())
{
movementAmount.y = -1.0f;
}
if (gamePadState.IsRightThumbStickLeft())
{
movementAmount.z = -1.0f;
}
if (gamePadState.IsRightThumbStickRight())
{
movementAmount.z = 1.0f;
}
}
XMVECTOR movement = XMLoadFloat3(&movementAmount) * LightMovementRate * elapsedTime;
mPointLight->SetPosition(mPointLight->PositionVector() + movement);
mProxyModel->SetPosition(mPointLight->Position());
mVertexCBufferPerFrameData.LightPosition = mPointLight->Position();
mPixelCBufferPerFrameData.LightPosition = mPointLight->Position();
}
}
void GamePad::ButtonStateTracker::Update( const GamePad::State& state )
{
UPDATE_BUTTON_STATE(a);
assert( ( !state.buttons.a && !lastState.buttons.a ) == ( a == UP ) );
assert( ( state.buttons.a && lastState.buttons.a ) == ( a == HELD ) );
assert( ( !state.buttons.a && lastState.buttons.a ) == ( a == RELEASED ) );
assert( ( state.buttons.a && !lastState.buttons.a ) == ( a == PRESSED ) );
UPDATE_BUTTON_STATE(b);
UPDATE_BUTTON_STATE(x);
UPDATE_BUTTON_STATE(y);
UPDATE_BUTTON_STATE(leftStick);
UPDATE_BUTTON_STATE(rightStick);
UPDATE_BUTTON_STATE(leftShoulder);
UPDATE_BUTTON_STATE(rightShoulder);
UPDATE_BUTTON_STATE(back);
UPDATE_BUTTON_STATE(start);
dpadUp = static_cast<ButtonState>( ( !!state.dpad.up ) | ( ( !!state.dpad.up ^ !!lastState.dpad.up ) << 1 ) );
dpadDown = static_cast<ButtonState>( ( !!state.dpad.down ) | ( ( !!state.dpad.down ^ !!lastState.dpad.down ) << 1 ) );
dpadLeft = static_cast<ButtonState>( ( !!state.dpad.left ) | ( ( !!state.dpad.left ^ !!lastState.dpad.left ) << 1 ) );
dpadRight = static_cast<ButtonState>( ( !!state.dpad.right ) | ( ( !!state.dpad.right ^ !!lastState.dpad.right ) << 1 ) );
assert( ( !state.dpad.up && !lastState.dpad.up ) == ( dpadUp == UP ) );
assert( ( state.dpad.up && lastState.dpad.up ) == ( dpadUp == HELD ) );
assert( ( !state.dpad.up && lastState.dpad.up ) == ( dpadUp == RELEASED ) );
assert( ( state.dpad.up && !lastState.dpad.up ) == ( dpadUp == PRESSED ) );
// Handle 'threshold' tests which emulate buttons
bool threshold = state.IsLeftThumbStickUp();
leftStickUp = static_cast<ButtonState>( ( !!threshold) | ( ( !!threshold ^ !!lastState.IsLeftThumbStickUp() ) << 1 ) );
threshold = state.IsLeftThumbStickDown();
leftStickDown = static_cast<ButtonState>((!!threshold) | ((!!threshold ^ !!lastState.IsLeftThumbStickDown()) << 1));
threshold = state.IsLeftThumbStickLeft();
leftStickLeft = static_cast<ButtonState>((!!threshold) | ((!!threshold ^ !!lastState.IsLeftThumbStickLeft()) << 1));
threshold = state.IsLeftThumbStickRight();
leftStickRight = static_cast<ButtonState>((!!threshold) | ((!!threshold ^ !!lastState.IsLeftThumbStickRight()) << 1));
threshold = state.IsRightThumbStickUp();
rightStickUp = static_cast<ButtonState>((!!threshold) | ((!!threshold ^ !!lastState.IsRightThumbStickUp()) << 1));
threshold = state.IsRightThumbStickDown();
rightStickDown = static_cast<ButtonState>((!!threshold) | ((!!threshold ^ !!lastState.IsRightThumbStickDown()) << 1));
threshold = state.IsRightThumbStickLeft();
rightStickLeft = static_cast<ButtonState>((!!threshold) | ((!!threshold ^ !!lastState.IsRightThumbStickLeft()) << 1));
threshold = state.IsRightThumbStickRight();
rightStickRight = static_cast<ButtonState>((!!threshold) | ((!!threshold ^ !!lastState.IsRightThumbStickRight()) << 1));
threshold = state.IsLeftTriggerPressed();
leftTrigger = static_cast<ButtonState>((!!threshold) | ((!!threshold ^ !!lastState.IsLeftTriggerPressed()) << 1));
threshold = state.IsRightTriggerPressed();
rightTrigger = static_cast<ButtonState>((!!threshold) | ((!!threshold ^ !!lastState.IsRightTriggerPressed()) << 1));
lastState = state;
}