ellipsoid/QuaternionEngine
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ADD: cloud

Browse Source
This commit is contained in:
hydrogendeuteride
2025-12-22 22:42:21 +09:00
parent c85c0d790d
commit b9454e8f26
11 changed files with 1478 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

90
src/core/engine_ui.cpp
View File

@@ -32,6 +32,7 @@
#include <cstdio>
#include <cstring>
#include <filesystem>
#include <string>
#include "mesh_bvh.h"
@@ -1209,6 +1210,95 @@ namespace
}
ctx->reflectionMode = static_cast<uint32_t>(reflMode);
ImGui::Separator();
ImGui::TextUnformatted("Volumetrics");
bool voxEnabled = ctx->enableVolumetrics;
if (ImGui::Checkbox("Enable Voxel Volumetrics (Cloud/Smoke/Flame)", &voxEnabled))
{
ctx->enableVolumetrics = voxEnabled;
}
const char *typeLabels[] = {"Clouds", "Smoke", "Flame"};
for (uint32_t i = 0; i < EngineContext::MAX_VOXEL_VOLUMES; ++i)
{
VoxelVolumeSettings &vs = ctx->voxelVolumes[i];
std::string header = "Voxel Volume " + std::to_string(i);
if (!ImGui::TreeNode(header.c_str()))
{
continue;
}
std::string id = "##vox" + std::to_string(i);
ImGui::Checkbox(("Enabled" + id).c_str(), &vs.enabled);
int type = static_cast<int>(vs.type);
if (ImGui::Combo(("Type" + id).c_str(), &type, typeLabels, IM_ARRAYSIZE(typeLabels)))
{
type = std::clamp(type, 0, 2);
vs.type = static_cast<VoxelVolumeType>(type);
}
ImGui::Checkbox(("Follow Camera XZ" + id).c_str(), &vs.followCameraXZ);
ImGui::Checkbox(("Animate Voxels" + id).c_str(), &vs.animateVoxels);
if (vs.followCameraXZ)
{
ImGui::InputFloat3(("Volume Offset (local)" + id).c_str(), &vs.volumeCenterLocal.x);
}
else
{
ImGui::InputFloat3(("Volume Center (local)" + id).c_str(), &vs.volumeCenterLocal.x);
}
ImGui::InputFloat3(("Volume Velocity (local)" + id).c_str(), &vs.volumeVelocityLocal.x);
ImGui::InputFloat3(("Volume Half Extents" + id).c_str(), &vs.volumeHalfExtents.x);
vs.volumeHalfExtents.x = std::max(vs.volumeHalfExtents.x, 0.01f);
vs.volumeHalfExtents.y = std::max(vs.volumeHalfExtents.y, 0.01f);
vs.volumeHalfExtents.z = std::max(vs.volumeHalfExtents.z, 0.01f);
ImGui::SliderFloat(("Density Scale" + id).c_str(), &vs.densityScale, 0.0f, 6.0f);
ImGui::SliderFloat(("Coverage" + id).c_str(), &vs.coverage, 0.0f, 0.95f);
ImGui::SliderFloat(("Extinction" + id).c_str(), &vs.extinction, 0.0f, 8.0f);
ImGui::SliderInt(("Steps" + id).c_str(), &vs.stepCount, 8, 256);
int gridRes = static_cast<int>(vs.gridResolution);
if (ImGui::SliderInt(("Grid Resolution" + id).c_str(), &gridRes, 16, 128))
{
vs.gridResolution = static_cast<uint32_t>(std::max(4, gridRes));
}
if (vs.animateVoxels)
{
ImGui::InputFloat3(("Wind Velocity (local)" + id).c_str(), &vs.windVelocityLocal.x);
ImGui::SliderFloat(("Dissipation" + id).c_str(), &vs.dissipation, 0.0f, 6.0f);
ImGui::SliderFloat(("Noise Strength" + id).c_str(), &vs.noiseStrength, 0.0f, 6.0f);
ImGui::SliderFloat(("Noise Scale" + id).c_str(), &vs.noiseScale, 0.25f, 32.0f);
ImGui::SliderFloat(("Noise Speed" + id).c_str(), &vs.noiseSpeed, 0.0f, 8.0f);
if (vs.type != VoxelVolumeType::Clouds)
{
ImGui::InputFloat3(("Emitter UVW" + id).c_str(), &vs.emitterUVW.x);
ImGui::SliderFloat(("Emitter Radius" + id).c_str(), &vs.emitterRadius, 0.01f, 0.5f);
}
}
ImGui::ColorEdit3(("Albedo/Tint" + id).c_str(), &vs.albedo.x);
ImGui::SliderFloat(("Scatter Strength" + id).c_str(), &vs.scatterStrength, 0.0f, 2.0f);
if (vs.type == VoxelVolumeType::Flame)
{
ImGui::ColorEdit3(("Emission Color" + id).c_str(), &vs.emissionColor.x);
ImGui::SliderFloat(("Emission Strength" + id).c_str(), &vs.emissionStrength, 0.0f, 25.0f);
}
else
{
vs.emissionStrength = 0.0f;
}
ImGui::TreePop();
}
ImGui::Separator();
if (auto *tm = eng->_renderPassManager ? eng->_renderPassManager->getPass<TonemapPass>() : nullptr)
{