SceneMainLoop -> SceneTree

-=-=-=-=-=-=-=-=-=-=-=-=-=-

*YOUR SOURCE MIGHT NOT WORK*
For mor information on fix:
https://github.com/okamstudio/godot/wiki/devel_scene_tree

Other stuff:
-Shower of bullets demo
-Fixes all around

2d/shower_of_bullets/bullets.gd

@@ -0,0 +1,76 @@
+
+extends Node2D
+
+# This demo is an example of controling a high number of 2D objects with logic and collision without using scene nodes.
+# This technique is a lot more efficient than using instancing and nodes, but requires more programming and is less visual
+
+const BULLET_COUNT = 500
+const SPEED_MIN = 20
+const SPEED_MAX = 50
+
+var bullets=[]
+var shape
+
+class Bullet:
+	var pos = Vector2()
+	var speed = 1.0
+	var body = RID()
+	
+
+func _draw():
+
+	var t = preload("res://bullet.png")
+	var tofs = -t.get_size()*0.5
+	for b in bullets:
+		draw_texture(t,b.pos+tofs)	
+		
+	
+func _process(delta):
+	var width = get_viewport_rect().size.x*2.0
+	var mat = Matrix32()
+	for b in bullets:
+		b.pos.x-=b.speed*delta
+		if (b.pos.x < -30):
+			b.pos.x+=width
+		mat.o=b.pos		
+		
+		Physics2DServer.body_set_state(b.body,Physics2DServer.BODY_STATE_TRANSFORM,mat)
+		
+	update()
+		
+			
+func _ready():
+
+	shape = Physics2DServer.shape_create(Physics2DServer.SHAPE_CIRCLE)
+	Physics2DServer.shape_set_data(shape,8) #radius
+
+	for i in range(BULLET_COUNT):
+		var b = Bullet.new()
+		b.speed=rand_range(SPEED_MIN,SPEED_MAX)
+		b.body = Physics2DServer.body_create(Physics2DServer.BODY_MODE_KINEMATIC)
+		Physics2DServer.body_set_space(b.body,get_world_2d().get_space())
+		Physics2DServer.body_add_shape(b.body,shape)
+		
+		b.pos = Vector2( get_viewport_rect().size * Vector2(randf()*2.0,randf()) ) #twice as long
+		b.pos.x += get_viewport_rect().size.x # start outside
+		var mat = Matrix32()
+		mat.o=b.pos
+		Physics2DServer.body_set_state(b.body,Physics2DServer.BODY_STATE_TRANSFORM,mat)
+		
+		bullets.append(b)
+		
+		
+	set_process(true)
+		
+	
+func _exit_tree():
+	for b in bullets:
+		Physics2DServer.free(b.body)
+	
+	Physics2DServer.free(shape)
+	# Initalization here
+	bullets.clear()
+	
+	pass
+
+

2d/shower_of_bullets/engine.cfg

@@ -0,0 +1,16 @@
+[application]
+
+name="Bullet Shower"
+main_scene="res://shower.scn"
+icon="res://icon.png"
+
+[display]
+
+width=1024
+height=600
+resizable=true
+stretch_aspect="keep"
+
+[physics_2d]
+
+cell_size=64

2d/shower_of_bullets/shower.gd

@@ -0,0 +1,32 @@
+
+extends Node2D
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+
+var touching=0
+
+func _input(ev):
+
+	if (ev.type==InputEvent.MOUSE_MOTION):
+		get_node("player").set_pos(ev.pos-Vector2(0,16))
+
+
+func _on_player_body_enter_shape( body_id, body, body_shape, area_shape ):
+
+	touching+=1
+	if (touching==1):
+		get_node("player/sprite").set_frame(1)
+
+
+func _on_player_body_exit_shape( body_id, body, body_shape, area_shape ):
+
+	touching-=1
+	if (touching==0):
+		get_node("player/sprite").set_frame(0)
+
+
+func _ready():
+	set_process_input(true)
+	pass

misc/autoload/global.gd

@@ -12,12 +12,12 @@ func goto_scene(scene):
 	#instance the new scene
 	current_scene = s.instance()
 	#add it to the active scene, as child of root
-	get_scene().get_root().add_child(current_scene)
+	get_tree().get_root().add_child(current_scene)
 
 
 func _ready():
 	# get the current scene
 	# it is always the last child of root,
 	# after the autoloaded nodes
-	var root = get_scene().get_root()
+	var root = get_tree().get_root()
 	current_scene = root.get_child( root.get_child_count() -1 )

misc/pause/spinpause.gd

@@ -5,11 +5,11 @@ extends Spatial
 func _on_pause_pressed():
 	get_node("pause_popup").set_exclusive(true)
 	get_node("pause_popup").popup()
-	get_scene().set_pause(true)
+	get_tree().set_pause(true)
 
 
 func _on_unpause_pressed():
 	get_node("pause_popup").hide()
-	get_scene().set_pause(false)
+	get_tree().set_pause(false)