fixed observers, added GameObserver

components/components.go

@@ -10,14 +10,18 @@ type Renderable struct {
 	Image *ebiten.Image
 }
 
+type Particle struct {
+	Index     int
+	Particles []*ebiten.Image
+}
+
+type Speed struct {
+	Value int
+}
+
 // only tile entities will have those
 type Tilish struct{}
 type Solid struct{}
 type Floor struct{}
 type Player struct{}
 type Collectible struct{}
-
-type Particle struct {
-	Index     int
-	Particles []*ebiten.Image
-}

components/position.go

@@ -70,8 +70,8 @@ func (position *Position) String() string {
 	)
 }
 
-func (position *Position) Move(velocity *Velocity) {
-	position.Update(position.X+velocity.Data.X, position.Y+velocity.Data.Y)
+func (position *Position) Move(velocity *Velocity, speed *Speed) {
+	position.Update(position.X+(velocity.Data.X*speed.Value), position.Y+(velocity.Data.Y*speed.Value))
 }
 
 func (position *Position) Set(newpos *Position) {

components/velocity.go

@@ -11,21 +11,19 @@ type Velocity struct {
 }
 
 func (velocity *Velocity) Change(direction int) {
-	ticks := 4
-
 	switch direction {
 	case East:
-		velocity.Data.X = ticks
+		velocity.Data.X = 1
 		velocity.Data.Y = 0
 	case West:
-		velocity.Data.X = ticks - (ticks * 2)
+		velocity.Data.X = -1
 		velocity.Data.Y = 0
 	case South:
 		velocity.Data.X = 0
-		velocity.Data.Y = ticks
+		velocity.Data.Y = 1
 	case North:
 		velocity.Data.X = 0
-		velocity.Data.Y = ticks - (ticks * 2)
+		velocity.Data.Y = -1
 	case Stop:
 		velocity.Data.X = 0
 		velocity.Data.Y = 0