| // Copyright 2015 The Emscripten Authors. All rights reserved. |
| // Emscripten is available under two separate licenses, the MIT license and the |
| // University of Illinois/NCSA Open Source License. Both these licenses can be |
| // found in the LICENSE file. |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <assert.h> |
| #include <emscripten.h> |
| |
| double prevTime = -1.0; |
| int frame = 0; |
| bool blockerExecuted = false; |
| |
| void final(void*) { |
| assert(frame == 20); |
| #ifdef REPORT_RESULT |
| REPORT_RESULT(0); |
| #endif |
| } |
| |
| void looper() { |
| if (blockerExecuted == false) { |
| #ifdef REPORT_RESULT |
| REPORT_RESULT(1); |
| #endif |
| } |
| |
| frame++; |
| double curTime = emscripten_get_now(); |
| double timeSincePrevious = curTime - prevTime; |
| prevTime = curTime; |
| printf("frame: %d. dt: %g. absolute: %g\n", frame, timeSincePrevious, curTime); |
| |
| if (frame == 20) { |
| emscripten_cancel_main_loop(); |
| emscripten_async_call(final, (void*)0, 1000); |
| } |
| } |
| |
| void main_loop_blocker(void*) { |
| blockerExecuted = true; |
| emscripten_pause_main_loop(); |
| emscripten_resume_main_loop(); |
| } |
| |
| int main() { |
| prevTime = emscripten_get_now(); |
| emscripten_push_uncounted_main_loop_blocker(main_loop_blocker, NULL); |
| emscripten_set_main_loop(looper, 60, 1); |
| } |