| 396 | } |
| 397 | |
| 398 | void main_tick() |
| 399 | { |
| 400 | #ifndef SINGLETHREADED |
| 401 | const int threadsRunning = numThreadsRunning; |
| 402 | if (threadsRunning < maxThreadsRunning) return; |
| 403 | #endif |
| 404 | |
| 405 | wait_tasks(); |
| 406 | numItersDoneOnCanvas += numItersPerFrame; |
| 407 | |
| 408 | #if defined(TEST_THREAD_PROFILING) |
| 409 | static bool reported = false; |
| 410 | if (!reported && numItersDoneOnCanvas > 50000) |
| 411 | { |
| 412 | reported = true; |
| 413 | emscripten_force_exit(0); |
| 414 | } |
| 415 | #endif |
| 416 | |
| 417 | double t = emscripten_get_now(); |
| 418 | double dt = t - prevT; |
| 419 | |
| 420 | #ifndef NO_SDL |
| 421 | if (ENVIRONMENT_IS_WEB) { |
| 422 | SDL_Event event; |
| 423 | while (SDL_PollEvent(&event)) { |
| 424 | switch(event.type) { |
| 425 | case SDL_KEYDOWN: |
| 426 | switch (event.key.keysym.sym) { |
| 427 | case SDLK_RIGHT: hScroll = 1.f; break; |
| 428 | case SDLK_LEFT: hScroll = -1.f; break; |
| 429 | case SDLK_DOWN: vScroll = 1.f; break; |
| 430 | case SDLK_UP: vScroll = -1.f; break; |
| 431 | case SDLK_a: zoom = -1.f; break; |
| 432 | case SDLK_z: zoom = 1.f; break; |
| 433 | } |
| 434 | break; |
| 435 | case SDL_KEYUP: |
| 436 | switch (event.key.keysym.sym) { |
| 437 | case SDLK_RIGHT: |
| 438 | case SDLK_LEFT: hScroll = 0.f; break; |
| 439 | case SDLK_DOWN: |
| 440 | case SDLK_UP: vScroll = 0.f; break; |
| 441 | case SDLK_a: |
| 442 | case SDLK_z: zoom = 0.f; break; |
| 443 | } |
| 444 | break; |
| 445 | } |
| 446 | } |
| 447 | } |
| 448 | #endif |
| 449 | |
| 450 | float iterSize = 1.f / (incrX < incrY ? incrX : incrY); |
| 451 | unsigned int minItersBeforeDisplaying = 50 + (int)(iterSize / 10000.f); |
| 452 | prevT = t; |
| 453 | if (numItersDoneOnCanvas >= minItersBeforeDisplaying) |
| 454 | { |
| 455 | top += dt * vScroll * incrX / 5.f; |
no test coverage detected