Discretize movement.

game.go

@@ -85,7 +85,7 @@ func gameOver(s state) bool {
 }
 
 const (
-	steps    = 500
+	steps    = 40
 	numBots  = 10
 	numTeams = 4
 )

main.go

@@ -26,9 +26,11 @@ func run() {
 	start := time.Now()
 
 	for !w.Closed() && !s.gameOver {
+		if w.JustPressed(pixelgl.KeySpace) {
 			w.Clear(colornames.Peru)
 			s = updateState(s)
 			render(s, w, time.Since(start), colors)
+		}
 		w.Update()
 	}
 }