Added FPS controll

ReadMe.md

@@ -24,6 +24,10 @@ Space : Start/Stop simulation
 
 R : Create a random scene
 
+Up : Increase FPS (be carefull it goes fast)
+
+Down : Decrease FPS (be carefull it goes fast)
+
 ## How to play 
 
 Add cells when the simualtion is not started and then start it 

src/main.rs

@@ -70,6 +70,7 @@ impl Map{
     }
 }
 pub struct Game{
+    fps:i32,
     draw_debug:bool,
     started:bool,
     map:Map,
@@ -158,6 +159,12 @@ fn is_tab_pressed(e: &sdl2::EventPump)-> bool{
 fn is_space_pressed(e: &sdl2::EventPump)-> bool{
     e.keyboard_state().is_scancode_pressed(Scancode::Space)
 }
+fn is_up_pressed (e: &sdl2::EventPump)-> bool{
+    e.keyboard_state().is_scancode_pressed(Scancode::Up)
+}
+fn is_down_pressed (e: &sdl2::EventPump)-> bool{
+    e.keyboard_state().is_scancode_pressed(Scancode::Down)
+}
 fn check_mouse_left_pressed(e: &sdl2::EventPump) -> Point{
     if e.mouse_state().left(){
         return Point::new(e.mouse_state().x(),e.mouse_state().y());
@@ -181,6 +188,16 @@ pub fn main_loop(canvas: &mut sdl2::render::Canvas<sdl2::video::Window>,event_pu
         if is_random_pressed(event_pump){
             game.map.randomize();
         }
+        if is_up_pressed(event_pump){
+            game.fps += 5;
+            println!("[DEBUG] fps : {}",game.fps);
+        }
+        if is_down_pressed(event_pump){
+            if game.fps > 5{
+                game.fps -= 5;
+                println!("[DEBUG] fps : {}",game.fps);
+            }
+        }
         if is_space_pressed(event_pump){
             if space_state == false{
                 //KeyDown
@@ -225,7 +242,8 @@ pub fn main_loop(canvas: &mut sdl2::render::Canvas<sdl2::video::Window>,event_pu
         // MAIN LOOP
 
         canvas.present();
-        ::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 60));
+        //::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 60));
+        ::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / game.fps as u32));
 
         if quit{
             break;
@@ -246,6 +264,6 @@ pub fn main() {
     let mut event_pump = sdl_context.event_pump().unwrap();
 
     canvas.set_draw_color(Color::RGB(0x6D, 0x6D, 0x64));
-    let mut game = Game{started:false,draw_debug:false,map:Map::new()};
+    let mut game = Game{fps:120,started:false,draw_debug:false,map:Map::new()};
     main_loop(&mut canvas,&mut event_pump,&mut game);
 }