fix ticker

cmd/game/main.go

@@ -110,7 +110,6 @@ func DrawMainMenu(s tcell.Screen, defStyle tcell.Style, old_session bool) bool{
 	for {
 		s.Clear()
 		title_size := drawTitle(s, 10, 2, frame, defStyle, cats)
-		frame = (frame + 1) % 2
 		xmax,ymax := s.Size()
 		// Draw Menu
 		if menu {
@@ -149,6 +148,7 @@ func DrawMainMenu(s tcell.Screen, defStyle tcell.Style, old_session bool) bool{
 		// Poll event (this can be in a select statement as well)
 		select{
 			case <- ticker.C:
+			frame = (frame + 1) % 2
 			continue
 			case ev := <-s.EventQ():
 			// Process event
@@ -222,19 +222,20 @@ func GetFoodPositions(x1,y1,x2,y2,level int) []*coords{
 	return res
 }
 
-func DrawFood(s tcell.Screen, y1, y2 int, food_positions []*coords, defStyle tcell.Style) {
+func DrawFood(s tcell.Screen, y1, y2 int, food_positions []*coords, defStyle tcell.Style, decrement bool) {
 	xmax, ymax := s.Size()
 	for _, food_pos := range food_positions {
 		if food_pos.y > y1 && food_pos.y < (y2-1) {
 			drawText(s,food_pos.x,food_pos.y,xmax,ymax,defStyle,"@")
 		}
-		if food_pos.y < (y2-1) {
+		if food_pos.y < (y2-1) && decrement {
 			food_pos.y += 1
 		}
 	}
 }
 
 
+
 func main() {
 	// Initialize screen
 	defStyle := tcell.StyleDefault.Background(color.Black).Foreground(color.NewHexColor(0xf3e5ab))
@@ -271,6 +272,8 @@ func main() {
 	var food_positions []*coords
 	speed := 0
 	message := randomQuote(fallingQuotes)
+	duration := time.Duration(1000/level)
+	ticker := time.NewTicker(duration * time.Millisecond)
 game_loop:
 	go_to_menu := false
 	for {
@@ -323,7 +326,7 @@ game_loop:
 			new_level = false
 		}
 		
-		DrawFood(s,y1,y2,food_positions,defStyle)
+		DrawFood(s,y1,y2,food_positions,defStyle, false)
 
 		
 		// Draw UI
@@ -334,11 +337,10 @@ game_loop:
 		drawText(s, x1, y2 + 1, xmax, ymax, defStyle,   fmt.Sprintf("Vanilla: \"%s\"", message))
 
 		s.Show()
-		ticker := time.NewTicker((1000) * time.Millisecond)
 		defer ticker.Stop()
 		select{
 			case <- ticker.C:
-			DrawFood(s,y1,y2,food_positions,defStyle)
+			DrawFood(s,y1,y2,food_positions,defStyle,true)
 			s.Sync()
 			case ev := <- s.EventQ():
 			// Process event