//Photon emitter engine
void executePhotonEmitters()
{
Random.seed = 0;
for (int t = 0; t < objects.getNumberOfObjectTypes(); t++)
{
for (int i = 0; i < objects.getObjectsPerType(t); i++)
{
photonMap.photonsPerObject [t] [i] = 0;
}
}
float tempX;
float tempY;
int xPoint;
int yPoint;
float maxX = -100f;
float minX = 100f;
float maxY = -100f;
float minY = 100;
for (int i = 0; i < photonMap.numberOfPhotons; i++)
{
int bounces = 1;
float[] color = { 1.0f, 1.0f, 1.0f };
float[] ray = normalize3(randomThree(1.0f));
float[] oldPoint = lightSource;
while (oldPoint [1] >= lightSource [1])
{
oldPoint = additionXYZ(lightSource, multiplyThree(normalize3(randomThree(1.0f)), 0.75f));
}
if (abs(oldPoint [0]) > 1.5 || abs(oldPoint [1]) > 1.2f ||
findSqureDistance(oldPoint, objects.getSphereObject(0), objects.getSphereData(0, 3) * objects.getSphereData(0, 3)))
{
bounces = photonMap.getNumberOfBounces() + 1;
}
raytrace(ray, oldPoint);
while (variableUtils.getIntersect() && bounces <= photonMap.getNumberOfBounces())
{
variableUtils.setPoint(additionXYZ(multiplyThree(ray, variableUtils.getDistance()), oldPoint));
color = multiplyThree(recieveColorFromObject(color, variableUtils.getType(), variableUtils.getIndex()), 1.0f / Mathf.Sqrt(bounces));
savePhotonHitData(variableUtils.getType(), variableUtils.getIndex(), variableUtils.getPoint(), ray, color);
mapShadowPhoton(ray);
ray = bounceOnNormal(ray, oldPoint);
raytrace(ray, variableUtils.getPoint());
oldPoint = variableUtils.getPoint();
bounces++;
}
}
}
