yggdrasil75/stupidsimcpp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

better simulation

Browse Source
This commit is contained in:
Yggdrasil75
2026-02-06 14:31:04 -05:00
parent 73eaa63dfb
commit d6d4a30798
3 changed files with 148 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
tests/fluidsim.cpp
View File

@@ -6,8 +6,8 @@ int main() {
// Simulation settings
const int TOTAL_FRAMES = 10000;
const int WIDTH = 800;
const int HEIGHT = 600;
const int WIDTH = 1024;
const int HEIGHT = 1024;
// Setup Camera
Camera cam;
@@ -26,8 +26,10 @@ int main() {
baseParticle.restitution = 200.0f;
std::cout << "Starting Fluid Simulation..." << std::endl;
sim.grid.setLODFalloff(0.001);
sim.grid.setLODMinDistance(4096);
for (int frameIdx = 0; frameIdx < TOTAL_FRAMES; ++frameIdx) {
for (int frameIdx = 0; frameIdx < TOTAL_FRAMES; frameIdx++) {
if (frameIdx < (TOTAL_FRAMES * 0.1f)) {
if (frameIdx % 1 == 0) {
@@ -39,41 +41,45 @@ int main() {
sim.applyPhysics();
if (frameIdx % 1 == 0) {
std::cout << "Rendering ultrafast Frame " << frameIdx << " / " << TOTAL_FRAMES << std::endl;
if (frameIdx % 100 == 0) {
std::cout << "Rendering Frame " << frameIdx << " / " << TOTAL_FRAMES << std::endl;
frame renderedFrame = sim.grid.fastRenderFrame(cam, HEIGHT, WIDTH, frame::colormap::RGB);
frame renderedFrame = sim.grid.renderFrame(cam, HEIGHT, WIDTH, frame::colormap::RGB, 4, 5, true, false);
std::stringstream ss;
ss << "output/ufframe_" << std::setw(4) << std::setfill('0') << frameIdx << ".bmp";
ss << "output/frame_" << std::setw(4) << std::setfill('0') << frameIdx << ".bmp";
BMPWriter::saveBMP(ss.str(), renderedFrame);
}
if (frameIdx % 10 == 0) {
} else if (frameIdx % 25 == 0) {
std::cout << "Rendering quick Frame " << frameIdx << " / " << TOTAL_FRAMES << std::endl;
frame renderedFrame = sim.grid.renderFrame(cam, HEIGHT, WIDTH, frame::colormap::RGB, 1, 1, true, false);
std::stringstream ss;
ss << "output/qframe_" << std::setw(4) << std::setfill('0') << frameIdx << ".bmp";
ss << "output/frame_" << std::setw(4) << std::setfill('0') << frameIdx << ".bmp";
BMPWriter::saveBMP(ss.str(), renderedFrame);
} else if (frameIdx % 5 == 0) {
std::cout << "Rendering ultrafast Frame " << frameIdx << " / " << TOTAL_FRAMES << std::endl;
}
if (frameIdx % 50 == 0) {
std::cout << "Rendering Frame " << frameIdx << " / " << TOTAL_FRAMES << std::endl;
frame renderedFrame = sim.grid.renderFrame(cam, HEIGHT, WIDTH, frame::colormap::RGB, 4, 4, true, false);
frame renderedFrame = sim.grid.fastRenderFrame(cam, HEIGHT / 2, WIDTH / 2, frame::colormap::RGB);
renderedFrame.resize(HEIGHT, WIDTH, frame::interpolation::NEAREST);
std::stringstream ss;
ss << "output/frame_" << std::setw(4) << std::setfill('0') << frameIdx << ".bmp";
BMPWriter::saveBMP(ss.str(), renderedFrame);
}
if (frameIdx % 500 == 0) {
sim.grid.printStats();
}
}
sim.grid.printStats();
frame renderedFrame = sim.grid.renderFrame(cam, HEIGHT, WIDTH, frame::colormap::RGB, 5, 7, true, false);
std::stringstream ss;
ss << "output/frame_" << std::setw(4) << std::setfill('0') << TOTAL_FRAMES << ".bmp";
BMPWriter::saveBMP(ss.str(), renderedFrame);
std::cout << "Simulation Complete." << std::endl;
FunctionTimer::printStats(FunctionTimer::Mode::ENHANCED);
return 0;