void PhongLightTechnique::addSpotLight(SpotLight& spotLight)
{
// Add light source to point light vector list
m_vSpotLights.push_back(spotLight);
++m_uiSpotLightCount;
// Enable shader program
enable();
// Get the location for the current light uniform
GLuint lightCount = (GLuint)(m_vSpotLights.size() - 1);
GLuint lightIndex = lightCount + 1;
std::string sLightIndex = std::to_string(lightCount);
std::string sTemp = "spotLight[" + sLightIndex + "].";
std::string sShaderLocation;
// Init dir light location structure
SpotLightLocation spotLightLocation;
memset(&spotLightLocation, 0, sizeof(SpotLightLocation));
sShaderLocation = sTemp + "lightPosition";
spotLightLocation.PositionLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "ambientLight";
spotLightLocation.AmbientColorLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "diffuseLight";
spotLightLocation.DiffuseColorLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "specularLight";
spotLightLocation.SpecularColorLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "spotLightDirection";
spotLightLocation.SpotLightDirectionLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "spotLightExponent";
spotLightLocation.SpotLightExponentLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "spotLightCutoff";
spotLightLocation.SpotLightCutoffLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "spotLightCosCutoff";
spotLightLocation.SpotLightCosCutoffLocation = getUniformLocation(sShaderLocation.c_str());
// Store spot light uniform location
m_vSpotLightsLoc.push_back(spotLightLocation);
// Update spot light count
glUniform1i(m_uiSpotLightCountLoc, m_uiSpotLightCount);
// Set light index
spotLight.lightIndex = lightIndex;
// Set uniform spot light
setSpotLight(spotLight);
}
GLLight::GLLight(const Vector3& position,const Vector3& direction)
:att2(0),att1(0),att0(1)
{
setSpotLight(position,direction);
}
