void events() {
SDL_Event e;
Uint8* keys = SDL_GetKeyState(NULL);
while (SDL_PollEvent(&e)) {
if (e.type == SDL_KEYDOWN) {
switch (e.key.keysym.sym) {
case SDLK_ESCAPE:
INIT.quit();
exit(0);
break;
case SDLK_TAB:
SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
break;
case SDLK_f:
randomize_field();
break;
case SDLK_t:
init_diffuse();
break;
case SDLK_r:
init_react();
break;
case SDLK_RETURN:
save_state();
break;
}
}
if (e.type == SDL_MOUSEMOTION) {
int xcoord = int(e.motion.x / INIT.pixel_view().dim().x * GRIDW);
int ycoord = int((INIT.pixel_view().dim().y - e.motion.y) / INIT.pixel_view().dim().y * GRIDH);
if (xcoord >= 0 && xcoord < GRIDW && ycoord >= 0 && ycoord < GRIDH) {
Cell& cell = GRID_FRONT[xcoord][ycoord];
if (keys[SDLK_a]) {
cell.value[0] += DT;
if (cell.value[0] > 1) cell.value[0] = 1;
}
if (keys[SDLK_s]) {
cell.value[1] += DT;
if (cell.value[1] > 1) cell.value[1] = 1;
}
if (keys[SDLK_d]) {
cell.value[2] += DT;
if (cell.value[2] > 1) cell.value[2] = 1;
}
}
}
if (e.type == SDL_MOUSEBUTTONDOWN) {
int xcoord = int(e.button.x / INIT.pixel_view().dim().x * GRIDW);
int ycoord = int((INIT.pixel_view().dim().y - e.button.y) / INIT.pixel_view().dim().y * GRIDH);
if (xcoord >= 0 && xcoord < GRIDW && ycoord >= 0 && ycoord < GRIDH) {
modify_reaction(xcoord, ycoord);
}
}
}
}
void init() {
INIT.init();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0,GRIDW,0,GRIDH);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
reset_grid(&GRID_FRONT);
reset_grid(&GRID_BACK);
init_react();
init_diffuse();
randomize_field();
}
int main(int argc, const char *argv[])
{
initialize_field(field);
initialize_field(new_field);
randomize_field(200);
int it = 0;
while (1) {
clear();
print_field();
printf("Iteration: %d\n", ++it);
step();
usleep(100*1000);
}
return 0;
}