bool SceneLights::HardcodedLights()
{
// if a lights.cfg file doesn't exist, then this function
// creates some defaults and creates the cfg file for future
// use.
using namespace std;
using AntiMatter::g_Pi;
bool bRet = false;
// ensure lights list is empty
Clear();
glm::vec3 vNone(0.0, 0.0, 0.0);
glm::vec3 vFull(1.0, 1.0, 1.0);
float rMultiplier = 6.0f;
for( unsigned int n = 0; n < 4; ++ n )
{
std::stringstream ss;
std::string sName;
ss << "light" << n;
sName = ss.str();
float rRadius = 650.0f;
float rSlices = 4.0f;
float rTheta = ((2.0f * g_Pi) / rSlices);
float x = rRadius * -cosf((float)n * rTheta);
float z = rRadius * sinf((float)n * rTheta);
glm::vec3 vColour = glm::vec3(Colours::g_ColourList[n]);
SceneGraph* pGraph = this->Graph();
AddLight(
new Light(
pGraph,
pGraph->Root(),
sName,
glm::vec4(x, rRadius, z, 1),
vNone,
vColour,
vColour * rMultiplier,
Light::LightType::SpotLight,
glm::vec3(0, -1, 0),
1.0f,
15.0f
)
);
}
// sun light
AddLight( new Light(
this->Graph(),
this->Graph()->Root(),
std::string("sun"),
glm::vec4(0.0, 500.0, 0.0, 1.0),
vNone,
vFull,
vFull * rMultiplier
)
);
bRet = true;
// write lights out to disk
ofstream out;
out.open( m_sConfigFile.c_str(), ios::out );
if( out.good() )
out << *this;
return bRet;
}
