//----------------------------------------
ofLight::ofLight()
:data(new Data){
setAmbientColor(ofColor(0,0,0));
setDiffuseColor(ofColor(255,255,255));
setSpecularColor(ofColor(255,255,255));
setPointLight();
// assume default attenuation factors //
setAttenuation(1.f,0.f,0.f);
}
//----------------------------------------
ofLight::ofLight(){
glIndex = -1;
isEnabled = false;
setAmbientColor(ofColor(0,0,0));
setDiffuseColor(ofColor(255,255,255));
setSpecularColor(ofColor(255,255,255));
setPointLight();
// assume default attenuation factors //
setAttenuation(1.f,0.f,0.f);
}
void PhongLightTechnique::addPointLight(PointLight& pointLight)
{
// Add light source to point light vector list
m_vPointLights.push_back(pointLight);
++m_uiPointLightCount;
// Enable shader program
enable();
// Get the location for the current light uniform
GLuint lightCount = (GLuint)(m_vPointLights.size() - 1);
std::string sLightIndex = std::to_string(lightCount);
std::string sTemp = "pointLight[" + sLightIndex + "].";
std::string sShaderLocation;
// Init dir light location structure
PointLightLocation pointLightLocation;
memset(&pointLightLocation, 0, sizeof(PointLightLocation));
sShaderLocation = sTemp + "lightPosition";
pointLightLocation.PositionLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "ambientLight";
pointLightLocation.AmbientColorLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "diffuseLight";
pointLightLocation.DiffuseColorLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "specularLight";
pointLightLocation.SpecularColorLocation = getUniformLocation(sShaderLocation.c_str());
sShaderLocation = sTemp + "attenuation";
pointLightLocation.AttenuationLocation = getUniformLocation(sShaderLocation.c_str());
// Store point light uniform location
m_vPointLightsLoc.push_back(pointLightLocation);
// Update point light count
glUniform1i(m_uiPointLightCountLoc, m_uiPointLightCount);
// Set light index
pointLight.lightIndex = lightCount;
// Set uniform point light
setPointLight(pointLight);
// Create mesh representation of the light source
addLightSourceMesh(&pointLight);
}
//----------------------------------------
ofLight::ofLight(){
glIndex = -1;
isEnabled = false;
setPointLight();
}
