Keyboard input for moving

hero/hero.go

@@ -20,6 +20,7 @@ var (
 type Hero struct {
 	step      int
 	direction configuration.Direction
+	IsWalking bool
 }
 
 type spritePosition struct {
@@ -146,7 +147,8 @@ func init() {
 
 func NewHero() *Hero {
 	hero := &Hero{
-		step: 0,
+		step:      0,
+		IsWalking: false,
 	}
 
 	go func() {
@@ -165,15 +167,21 @@ func NewHero() *Hero {
 
 func (h *Hero) Walk() {
 
-	walkTicker.Reset(WalkSpeedMs * time.Millisecond)
+	if !h.IsWalking {
+		walkTicker.Reset(WalkSpeedMs * time.Millisecond)
+		h.IsWalking = true
+	}
 
 }
 
 func (h *Hero) ChangeDirection(d configuration.Direction) {
-	h.direction = d
+	if d != configuration.PreviouslyHeld {
+		h.direction = d
+	}
 }
 
 func (h *Hero) Stop() {
 	h.step = 2
 	walkTicker.Stop()
+	h.IsWalking = false
 }