Function OnMouseClick

test/interactive/test_glfw_pointerlock.c:30–37

int actions = 0;

void OnMouseClick(GLFWwindow *window, int button, int action, int mods) {
  actions++;
  printf("mouse actions: %d / 4\n", actions);
  if (actions >= 4) {
    printf("done.\n");
    emscripten_force_exit(0);
  }
}

int main() {
  // Setup g_window