yggdrasil75/stupidsimcpp
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lets try speeding it up again.

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yggdrasil75
2026-02-02 06:34:36 -05:00
parent 58d90e9cd7
commit 3f88fdd14e
2 changed files with 120 additions and 62 deletions
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33
tests/g3etest.cpp
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@@ -26,6 +26,12 @@ struct defaults {
int outWidth = 512;
int outHeight = 512;
int gridSizecube = 10000;
bool slowRender = false;
bool globalIllumination = true;
int rayCount = 3;
int reflectCount = 3;
int lodDist;
float lodDropoff;
PNoise2 noise = PNoise2(42);
};
@@ -399,9 +405,15 @@ void livePreview(Octree<int>& grid, defaults& config, const Camera& cam) {
updatePreview = true;
auto renderStart = std::chrono::high_resolution_clock::now();
frame currentPreviewFrame = grid.fastRenderFrame(cam, config.outWidth, config.outHeight, frame::colormap::RGB);
//frame currentPreviewFrame = grid.renderFrame(cam, config.outWidth, config.outHeight, frame::colormap::RGB, 3, 2, true);
frame currentPreviewFrame;
grid.setLODMinDistance(config.lodDist);
grid.setLODFalloff(config.lodDropoff);
if (config.slowRender) {
currentPreviewFrame = grid.renderFrame(cam, config.outWidth, config.outHeight, frame::colormap::RGB, config.rayCount, config.reflectCount, config.globalIllumination);
} else {
currentPreviewFrame = grid.fastRenderFrame(cam, config.outWidth, config.outHeight, frame::colormap::RGB);
}
auto renderEnd = std::chrono::high_resolution_clock::now();
renderFrameTime = std::chrono::duration<double>(renderEnd - renderStart).count();
@@ -649,7 +661,7 @@ int main() {
ImGui::NewFrame();
{
ImGui::Begin("Controls");
ImGui::Begin("Sim Controls");
ImGui::Text("Planet");
float pos[3] = { sphereConf.centerX, sphereConf.centerY, sphereConf.centerZ };
@@ -711,7 +723,6 @@ int main() {
{
ImGui::Begin("Planet Preview");
ImGui::Checkbox("update Preview", &worldPreview);
if (worldPreview) {
if (gridInitialized) {
livePreview(grid, config, cam);
@@ -913,6 +924,18 @@ int main() {
ImGui::SliderFloat("Pitch Speed", &pitchSpeed, 0.0f, 2.0f, "%.2f deg/sec");
}
ImGui::Separator();
ImGui::Checkbox("update Preview", &worldPreview);
ImGui::Checkbox("Use Slower renderer", &config.slowRender);
if (config.slowRender) {
ImGui::InputInt("Rays per pixel", &config.rayCount);
ImGui::InputInt("Max reflections", &config.reflectCount);
}
ImGui::InputFloat("Lod dropoff", &config.lodDropoff);
ImGui::InputInt("lod minimum Distance", &config.lodDist);
ImGui::Checkbox("use Global illumination", &config.globalIllumination);
ImGui::End();
}