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Code Issues 122 Wiki Activity

disable diffuse and specular moon lighting

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This commit is contained in:
VB
2017-07-03 18:38:22 +02:00
parent c5dcd88a82
commit b3c2b60b97
2 changed files with 11 additions and 5 deletions
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14
World.cpp
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@@ -2270,11 +2270,13 @@ world_environment::update() {
m_moon.update();
// ...determine source of key light and adjust global state accordingly...
auto const sunlightlevel = m_sun.getIntensity();
auto const moonlightlevel = m_moon.getIntensity() * 0.65f; // scaled down by arbitrary factor, it's pretty bright otherwise
auto const moonlightlevel = m_moon.getIntensity() * 0.5f; // scaled down by arbitrary factor, it's pretty bright otherwise
float keylightintensity;
float twilightfactor;
glm::vec3 keylightcolor;
if( moonlightlevel > sunlightlevel ) {
WriteLog("using moon: " + std::to_string(moonlightlevel));
// rare situations when the moon is brighter than the sun, typically at night
Global::SunAngle = m_moon.getAngle();
Global::daylight.direction = -1.0f * m_moon.getDirection();
@@ -2284,6 +2286,8 @@ world_environment::update() {
keylightcolor = glm::vec3( 255.0f / 255.0f, 242.0f / 255.0f, 202.0f / 255.0f );
}
else {
WriteLog("using sun: " + std::to_string(sunlightlevel));
// regular situation with sun as the key light
Global::SunAngle = m_sun.getAngle();
Global::daylight.direction = -1.0f * m_sun.getDirection();
@@ -2313,9 +2317,11 @@ world_environment::update() {
auto const diffuselevel = interpolate(keylightintensity, intensity * (1.0f - twilightfactor), 1.0f - Global::Overcast * 0.75f);
// ...update light colours and intensity.
keylightcolor = keylightcolor * diffuselevel;
Global::daylight.color.x = keylightcolor.x;
Global::daylight.color.y = keylightcolor.y;
Global::daylight.color.z = keylightcolor.z;
if (sunlightlevel > moonlightlevel)
Global::daylight.color = keylightcolor * 0.8f;
else
Global::daylight.color = glm::vec3(0.0f);
// tonal impact of skydome color is inversely proportional to how high the sun is above the horizon
// (this is pure conjecture, aimed more to 'look right' than be accurate)