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Code Issues 154 Wiki Activity

Improve rain shader

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This commit is contained in:
Hirek
2026-10-26 15:51:56 +01:00
parent a6bdeeaa2b
commit 719c729929
43 changed files with 5620 additions and 355 deletions
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12
rendering/vulkan14/vulkan14frame.cpp
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@@ -990,6 +990,8 @@ void vulkan14_renderer::render_scene()
{
auto &ctx{*m_context};
auto &scene{ctx.scene};
// the water on the windscreens of the cab: a step of its simulation once a frame, before the passes which draw the glasses
scene.water.update(Timer::GetDeltaTime());
if (scene.targets.size() < m_viewports.size())
{
scene.targets.resize(m_viewports.size());
@@ -1406,6 +1408,16 @@ void vulkan14_renderer::render_viewport(std::size_t const Index)
float percipitation_intensity = glm::saturate(Global.Overcast - 1.);
scene_ubs.rain_params.x = percipitation_intensity;
scene_ubs.rain_params.y = glm::mix(15., 1., percipitation_intensity);
scene_ubs.rain_params.z = (Global.Weather == "snow:" ? 1.f : 0.f); // flakes on the glass in place of the drops
scene_ubs.rain_params.w = Global.AirTemperature; // how fast the flakes melt
{
// the air the drops on the glass are blown with: the wind as the particles drift with it, less the velocity of the
// vehicle (V is along the front of the vehicle)
glm::dvec3 air{glm::dvec3{simulation::Environment.wind()} * 0.5};
if (TDynamicObject const *owner = Global.pCamera.m_owner)
air -= owner->VectorFront() * owner->MoverParameters->V;
scene_ubs.rain_wind = glm::vec4{glm::vec3{air}, 0.f};
}
if (TDynamicObject const *owner = Global.pCamera.m_owner; owner && !!owner->MoverParameters->CabActive)
{
for (int i = 0; i < 4; ++i)