Moveable viewport. Absolute positioning (for UI etc) is possible. Added distance-based bounder for projectiles etc as 'screen' is no longer a suitable bounder. Removed debug msg.

component_bounder_screen.go

@@ -1,10 +1,13 @@
 package GoRetro
 
+import "fmt"
+
 /*
  * --------------------
  * BounderScreen
  * --------------------
  * A bounder which triggers if the element isn't on the screen
+ * TODO: Use dimensions of the entity
  */
 
 type bounderScreen struct {
@@ -13,6 +16,10 @@ type bounderScreen struct {
 }
 
 func NewBounderScreen(container *Element, callback func(element *Element)) *bounderScreen {
+	if !container.PositionAbsolute {
+		fmt.Println("Added screen bounder to non-absolute positioned element")
+	}
+
 	return &bounderScreen{
 		container:    container,
 		callbackFunc: callback,
@@ -26,8 +33,8 @@ func (bounder *bounderScreen) onDraw() error {
 func (bounder *bounderScreen) onUpdate() error {
 	b := bounder.container
 
-	if b.Position.X > float64(Config.ScreenWidth) || b.Position.X < 0 ||
-		b.Position.Y > float64(Config.ScreenHeight) || b.Position.Y < 0 {
+	if b.Position.X > float64(Config.WindowSize.X) || b.Position.X < 0 ||
+		b.Position.Y > float64(Config.WindowSize.Y) || b.Position.Y < 0 {
 		bounder.callbackFunc(bounder.container)
 	}