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Code Issues 123 Wiki Activity

implement moon

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This commit is contained in:
WLs50
2025-03-16 22:12:37 +01:00
parent 07583a9f07
commit 8f98292cbe
13 changed files with 73 additions and 24 deletions
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36
manul/renderer/source/sky.cpp
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@@ -222,13 +222,36 @@ glm::vec4 Sky::GetFogScatteringCoefficient(float h) const {
glm::vec3 Sky::CalcSunColor() const {
glm::vec4 transmittance =
ComputeTransmittance(-Global.DayLight.direction, 32);
return simulation::Environment.light_intensity() *
ComputeTransmittance(simulation::Environment.sun().getDirection(), 32);
return LinearSrgbFromSpectralSamples(sun_spectral_irradiance *
transmittance) *
glm::exp(EXPOSURE);
}
glm::vec3 Sky::CalcMoonColor() const {
float phase = glm::acos(dot(simulation::Environment.sun().getDirection(),
simulation::Environment.moon().getDirection())) *
glm::one_over_pi<float>();
glm::vec4 transmittance =
ComputeTransmittance(simulation::Environment.moon().getDirection(), 32);
return .07f * phase *
LinearSrgbFromSpectralSamples(sun_spectral_irradiance *
transmittance) *
glm::exp(EXPOSURE);
}
void Sky::CalcLighting(glm::vec3& direction, glm::vec3& color) const {
const glm::vec3 moon = CalcMoonColor();
const glm::vec3 sun = CalcSunColor();
if (dot(moon, moon) > dot(sun, sun)) {
direction = simulation::Environment.moon().getDirection();
color = moon;
} else {
direction = simulation::Environment.sun().getDirection();
color = sun;
}
}
glm::vec3 Sky::LinearSrgbFromSpectralSamples(glm::vec4 L) {
glm::vec3 c = M * L;
return c.r * glm::vec3(0.4123908f, 0.21263901f, 0.01933082f) +
@@ -347,11 +370,11 @@ nvrhi::IFramebuffer* SkyTransmittancePass::GetFramebuffer() {
}
void SkyAerialLut::Init() {
m_sky_width = 128;
m_sky_width = 256;
m_sky_height = 512;
m_lut_width = 64;
m_lut_width = 128;
m_lut_height = 256;
m_lut_slices = 32;
m_lut_slices = 16;
m_constant_buffer = m_sky->m_backend->GetDevice()->createBuffer(
nvrhi::utils::CreateVolatileConstantBufferDesc(
sizeof(DispatchConstants), "Sky Aerial LUT Dispatch Constants", 16));
@@ -424,7 +447,8 @@ void SkyAerialLut::Render(nvrhi::ICommandList* command_list,
DispatchConstants constants{};
constants.g_InverseView = static_cast<glm::mat3>(glm::inverse(view));
constants.g_InverseProjection = glm::inverse(projection);
constants.g_SunDir = -Global.DayLight.direction;
constants.g_SunDir = simulation::Environment.sun().getDirection();
constants.g_MoonDir = simulation::Environment.moon().getDirection();
constants.g_Altitude = Global.pCamera.Pos.y;
constants.g_MaxDepth = Global.BaseDrawRange * Global.fDistanceFactor;
command_list->writeBuffer(m_constant_buffer, &constants, sizeof(constants));