neop/randomwalk
neop/randomwalk
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revert misguided batchsize adaption

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just set how many steps to do each frame
This commit is contained in:
Jakob Hördt 2024-08-04 14:57:29 +02:00
parent f5704b6d84
commit baf1a05e0a
1 changed files with 4 additions and 7 deletions
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11
main.cpp
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@ -101,6 +101,7 @@ int main() {
// aarrggbb?? // aarrggbb??
constexpr Uint32 bg_color = 0xffdbd7c0; constexpr Uint32 bg_color = 0xffdbd7c0;
constexpr Uint32 walk_color = 0xff0d0f14; constexpr Uint32 walk_color = 0xff0d0f14;
constexpr auto batchsize = 1000;
SDL_LockSurface(window_surface); SDL_LockSurface(window_surface);
for (int i = 0; i < window_surface->w * window_surface->h; ++i) { for (int i = 0; i < window_surface->w * window_surface->h; ++i) {
@ -108,13 +109,11 @@ int main() {
} }
SDL_UnlockSurface(window_surface); SDL_UnlockSurface(window_surface);
auto batchsize = 100.0;
constexpr auto frametime_target = std::chrono::milliseconds{10};
const auto start_time = clock::now(); const auto start_time = clock::now();
auto next_poll_events_time = start_time; auto next_poll_events_time = start_time;
auto frame_start = start_time - frametime_target; auto frame_start = start_time;
clock::duration frame_time = frametime_target; clock::duration frame_time;
for (bool continu = true; continu;) { for (bool continu = true; continu;) {
{ {
// measure frame_time // measure frame_time
@ -123,10 +122,8 @@ int main() {
frame_start = now; frame_start = now;
} }
batchsize = batchsize * (0.9 + 0.1 * frametime_target / frame_time);
SDL_LockSurface(window_surface); SDL_LockSurface(window_surface);
for (auto step = 0z; step < int(batchsize); ++step) { for (auto step = 0z; step < batchsize; ++step) {
SDL_Point newpoint; SDL_Point newpoint;
do { do {
newpoint = pos + directions[dist(rne)]; newpoint = pos + directions[dist(rne)];