Merged varies scenes into game scene

- Merged GUI and world scenes into game scene with the GUI existing on a canvas layer
- Ported over camera movement script

scripts/cameramovement.gd

@@ -0,0 +1,65 @@
+extends Camera2D
+
+export var panSpeed = 10.0
+export var speed = 25.0
+export var zoomspeed = 50.0
+export var zoommargin = 0.3
+
+export var zoomMin = 0.5
+export var zoomMax = 3.0
+export var marginX = 200.0
+export var marginY = 100.0
+
+var mousepos = Vector2()
+var zoompos = Vector2()
+var zoomfactor = 1.0
+
+
+func _ready():
+	pass 
+
+
+func _process(delta):
+	# Smooth Movement
+	var inputx = (int(Input.is_action_pressed("ui_right")) - int(Input.is_action_pressed("ui_left")))
+	var inputy = (int(Input.is_action_pressed("ui_down")) - int(Input.is_action_pressed("ui_up")))
+	position.x = lerp(position.x, position.x + inputx * speed * zoom.x, speed * delta)
+	position.y = lerp(position.y, position.y + inputy * speed * zoom.y, speed * delta)
+	
+	# Edge scrolling via. Ctrl + Right Click
+	if Input.is_key_pressed(KEY_CONTROL):
+		# check mouse postion
+		if mousepos.x < marginX:
+			position.x = lerp(position.x, position.x - abs(mousepos.x - marginX) / marginX * panSpeed * zoom.x, panSpeed * delta)
+		elif mousepos.x > OS.window_size.x - marginX:
+			position.x = lerp(position.x, position.x + abs(mousepos.x - OS.window_size.x + marginX) / marginX * panSpeed * zoom.x, panSpeed * delta)
+		
+		if mousepos.y < marginY:
+			position.y = lerp(position.y, position.y - abs(mousepos.y - marginY) / marginY * panSpeed * zoom.y, panSpeed * delta)
+		elif mousepos.y > OS.window_size.y - marginY:
+			position.y = lerp(position.y, position.y + abs(mousepos.y - OS.window_size.y + marginX) / marginX * panSpeed * zoom.y, panSpeed * delta)
+		
+	# Zooming
+	zoom.x = lerp(zoom.x, zoom.x * zoomfactor, zoomspeed * delta)
+	zoom.y = lerp(zoom.y, zoom.y * zoomfactor, zoomspeed * delta)
+	
+	zoom.x = clamp(zoom.x, zoomMin, zoomMax)
+	zoom.y = clamp(zoom.y, zoomMin, zoomMax)
+
+func _input(event):
+	if abs(zoompos.x - get_global_mouse_position().x) > zoommargin:
+		zoomfactor = 1.0
+	if abs(zoompos.y - get_global_mouse_position().y) > zoommargin:
+		zoomfactor = 1.0
+	
+	if event is InputEventMouseButton:
+		if event.is_pressed():
+			if event.button_index == BUTTON_WHEEL_UP:
+				zoomfactor -= 0.01
+				zoompos = get_global_mouse_position()
+			if event.button_index == BUTTON_WHEEL_DOWN:
+				zoomfactor += 0.01
+				zoompos = get_global_mouse_position()
+				
+	if event is InputEventMouse:
+		mousepos = event.position