void PhongLightTechnique::addDirectionalLight(DirectionalLight& dirLight)
{
// Add light source to dir light vector list
m_vDirLights.push_back(dirLight);
++m_uiDirLightCount;
// Enable shader program
enable();
// Get the location for the current light uniform
GLuint lightCount = (GLuint)(m_vDirLights.size() - 1);
std::string sLightIndex = std::to_string(lightCount);
std::string sTemp = "dirLight[" + sLightIndex + "].";
std::string sShaderLocation;
// Init dir light location structure
DirectionalLightLocation directionalLightLocation;
memset(&directionalLightLocation, 0, sizeof(DirectionalLightLocation));
sShaderLocation = sTemp + "lightDirection";
directionalLightLocation.DirectionLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "ambientLight";
directionalLightLocation.AmbientColorLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "diffuseLight";
directionalLightLocation.DiffuseColorLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "specularLight";
directionalLightLocation.SpecularColorLocation = getUniformLocation(sShaderLocation.c_str());
// Store directional light uniform location
m_vDirLightsLoc.push_back(directionalLightLocation);
// Update dir light count
glUniform1i(m_uiDirLightCountLoc, m_uiDirLightCount);
// Set light index
dirLight.lightIndex = lightCount;
// Set uniform directional light
setDirectionalLight(dirLight);
}
GLLight::GLLight(const Vector3& direction)
:att2(0),att1(0),att0(1)
{
setDirectionalLight(direction);
}