yggdrasil75/stupidsimcpp
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meshify is working decently

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Yggdrasil75
2026-02-13 13:07:51 -05:00
parent e402e712b4
commit 6b9362219e
2 changed files with 230 additions and 8 deletions
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23
tests/g3etest.cpp
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@@ -10,7 +10,6 @@
#include <algorithm>
#include "../util/grid/grid3eigen.hpp"
#include "../util/grid/gridmesh.hpp"
#include "../util/output/bmpwriter.hpp"
#include "../util/output/frame.hpp"
#include "../util/timing_decorator.cpp"
@@ -38,7 +37,7 @@ struct defaults {
float lodDropoff = 0.1;
PNoise2 noise = PNoise2(42);
float meshResolution = 0.5f;
int meshResolution = 32;
float meshIsoLevel = 0.4f;
};
@@ -89,7 +88,7 @@ const std::chrono::seconds STATS_UPDATE_INTERVAL(60);
std::string cachedStats;
bool statsNeedUpdate = true;
CachedGridMesh<int> planetMesh(1);
Scene scene;
bool meshNeedsUpdate = false;
void createSphere(const defaults& config, const spheredefaults& sconfig, Octree<int>& grid) {
@@ -200,11 +199,19 @@ void updateStatsCache(Octree<int>& grid) {
void livePreview(Octree<int>& grid, defaults& config, const Camera& cam) {
std::lock_guard<std::mutex> lock(PreviewMutex);
updatePreview = true;
if (meshNeedsUpdate) {
planetMesh.setResolution(config.meshResolution);
planetMesh.setIsoLevel(config.meshIsoLevel);
planetMesh.update(grid);
scene.clear();
std::shared_ptr<Mesh> planetMesh = grid.generateMesh(1, config.meshIsoLevel, config.meshResolution);
std::shared_ptr<Mesh> starMesh = grid.generateMesh(2, config.meshIsoLevel, config.meshResolution);
scene.addMesh(planetMesh);
scene.addMesh(starMesh);
// planetMesh.setResolution(config.meshResolution);
// planetMesh.setIsoLevel(config.meshIsoLevel);
// planetMesh.update(grid);
meshNeedsUpdate = false;
statsNeedUpdate = true;
}
@@ -212,7 +219,7 @@ void livePreview(Octree<int>& grid, defaults& config, const Camera& cam) {
auto renderStart = std::chrono::high_resolution_clock::now();
frame currentPreviewFrame;
currentPreviewFrame = planetMesh.render(cam, config.outWidth, config.outHeight, 0.1f, 10000.0f, frame::colormap::RGB);
currentPreviewFrame = scene.render(cam, config.outWidth, config.outHeight, 0.1f, 10000.0f, frame::colormap::RGB);
// grid.setLODMinDistance(config.lodDist);
// grid.setLODFalloff(config.lodDropoff);
@@ -520,7 +527,7 @@ int main() {
ImGui::Separator();
ImGui::Text("Marching Cubes Config");
if (ImGui::SliderFloat("Mesh Resolution", &config.meshResolution, 0.1f, 2.0f)) {
if (ImGui::SliderInt("Mesh Resolution", &config.meshResolution, 16, 128)) {
meshNeedsUpdate = true;
}
if (ImGui::SliderFloat("Iso Level", &config.meshIsoLevel, 0.01f, 1.0f)) {