yggdrasil75/stupidsimcpp
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particle sim stuff

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yggdrasil75
2026-02-05 07:42:48 -05:00
parent 39c38e4061
commit 47b264d016
2 changed files with 19 additions and 17 deletions
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10
tests/fluidsim.cpp
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@@ -11,8 +11,8 @@ int main() {
// Setup Camera
Camera cam;
cam.origin = Eigen::Vector3f(0.0f, 400.0f, -1800.0f); // Back and slightly up
cam.direction = (Eigen::Vector3f(0.0f, 0.0f, 0.0f) - cam.origin).normalized(); // Look at center
cam.origin = Eigen::Vector3f(0.0f, 1000.0f, -1800.0f);
cam.direction = (Eigen::Vector3f(0.0f, 0.0f, 0.0f) - cam.origin).normalized();
cam.up = Eigen::Vector3f(0.0f, 1.0f, 0.0f);
cam.fov = 60.0f;
@@ -31,8 +31,8 @@ int main() {
if (frameIdx % 10 == 0) {
if (frameIdx < (TOTAL_FRAMES * 0.1f)) {
float t = static_cast<float>(frameIdx) / (TOTAL_FRAMES * 0.9f);
int spawnCount = 2 + static_cast<int>(t * 4);
//float t = static_cast<float>(frameIdx) / (TOTAL_FRAMES * 0.9f);
int spawnCount = 2; // + static_cast<int>(t * 4);
sim.spawnParticles(baseParticle, spawnCount);
}
}
@@ -42,7 +42,7 @@ int main() {
if (frameIdx % 50 == 0) {
std::cout << "Rendering Frame " << frameIdx << " / " << TOTAL_FRAMES << std::endl;
frame renderedFrame = sim.grid.renderFrame(cam, HEIGHT, WIDTH, frame::colormap::RGB, 5, 4, true, false);
frame renderedFrame = sim.grid.renderFrame(cam, HEIGHT, WIDTH, frame::colormap::RGB, 4, 4, true, false);
std::stringstream ss;
ss << "output/frame_" << std::setw(4) << std::setfill('0') << frameIdx << ".bmp";