void PointLightRenderer::UpdateSpecularLight(const DX::StepTimer& gameTime)
{
static float specularIntensity = 1.0f;
GamePad::State gamePadState = mGamePad->CurrentState();
if (gamePadState.IsConnected())
{
if (gamePadState.IsLeftTriggerPressed() && specularIntensity <= 1.0f)
{
specularIntensity += static_cast<float>(gameTime.GetElapsedSeconds());
specularIntensity = min(specularIntensity, 1.0f);
mPixelCBufferPerObjectData.SpecularColor = XMFLOAT3(specularIntensity, specularIntensity, specularIntensity);
}
if (gamePadState.IsRightTriggerPressed() && specularIntensity >= 0.0f)
{
specularIntensity -= (float)gameTime.GetElapsedSeconds();
specularIntensity = max(specularIntensity, 0.0f);
mPixelCBufferPerObjectData.SpecularColor = XMFLOAT3(specularIntensity, specularIntensity, specularIntensity);
}
static float specularPower = mPixelCBufferPerObjectData.SpecularPower;
if (mGamePad->IsButtonDown(GamePadButton::DPadUp) && specularPower < UCHAR_MAX)
{
specularPower += LightModulationRate * static_cast<float>(gameTime.GetElapsedSeconds());
specularPower = min(specularPower, static_cast<float>(UCHAR_MAX));
mPixelCBufferPerObjectData.SpecularPower = specularPower;
}
if (mGamePad->IsButtonDown(GamePadButton::DPadDown) && specularPower > 1.0f)
{
specularPower -= LightModulationRate * static_cast<float>(gameTime.GetElapsedSeconds());
specularPower = max(specularPower, 1.0f);
mPixelCBufferPerObjectData.SpecularPower = specularPower;
}
}
}
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();
}
}