horrible staggering through rendertargets later, minimap!

Asteroid.gd

@@ -9,10 +9,12 @@ var max_rot_vel = 2.5 # degrees per second
 
 func _ready():
 	randomize()
-	velocity.x = floor(rand_range(-max_vel, max_vel))
-	velocity.y = floor(rand_range(-max_vel, max_vel))
+	# velocity.x = floor(rand_range(-max_vel, max_vel))
+	# velocity.y = floor(rand_range(-max_vel, max_vel))
 	rect.size.x = floor(rand_range(32, 64))
 	rect.size.y = floor(rand_range(32, 64))
+	rect.pos.x = -rect.size.x / 2
+	rect.pos.y = -rect.size.y / 2
 	rot_vel = deg2rad(floor(rand_range(1, max_rot_vel)))
 	set_fixed_process(true)
 	
@@ -26,13 +28,13 @@ func wrap(v, v_min, v_max):
 
 func _fixed_process(delta):
 	
-	var cur_pos = get_pos()
-	cur_pos.x = wrap(cur_pos.x, 1, get_viewport().get_rect().size.x)
-	cur_pos.y = wrap(cur_pos.y, 1, get_viewport().get_rect().size.y)
-	set_pos(cur_pos)
+	# var cur_pos = get_pos()
+	# cur_pos.x = wrap(cur_pos.x, 1, get_viewport().get_rect().size.x)
+	# cur_pos.y = wrap(cur_pos.y, 1, get_viewport().get_rect().size.y)
+	# set_pos(cur_pos)
 	
 	self.move(velocity)
 	self.rotate(rot_vel)
 
 func _draw():
-	draw_rect(rect, Color(0x42, 0x8b, 0xca))
+	draw_rect(rect, Color(1, 1, 1))

AsteroidSpawner.gd

@@ -9,6 +9,9 @@ var current_threshold = 5
 # delay between each spawn of asteroid
 var spawn_delay = 1 # seconds
 
+# deps
+onready var map = get_parent().get_node("Minimap")
+
 func _ready():
 	set_fixed_process(true)
 
@@ -27,8 +30,8 @@ func _fixed_process(delta):
 		var y = floor(rand_range(1, get_viewport().get_rect().size.y))
 		var spawn_pos = Vector2(x, y)
 		
-		print(spawn_pos)
 		new_asteroid.set_pos(spawn_pos)
 		get_parent().add_child(new_asteroid) # add to tree
+		map.register_entity(new_asteroid) # register with minimap
 		
 		total_asteroids += 1

Drawer.gd

@@ -0,0 +1,29 @@
+extends Node2D
+
+var entities
+var cam_pos = Vector2(0, 0)
+
+func _ready():
+	pass
+	
+func init(ents):
+	entities = ents
+	
+func it_changed(new_pos):
+	cam_pos = get_tree().get_root().get_node("Game/Player").get_pos()
+	update()
+
+func _draw():
+	var vp_rect = get_viewport().get_rect()
+	# draw player in center
+	var p_mw = (vp_rect.size.x / 2) - 1
+	var p_mh = (vp_rect.size.y / 2) - 1
+	draw_rect(Rect2(p_mw, p_mh, 2, 2), Color(0, 1, 0))
+	for e in entities:
+		var ent = e.get_ref()
+		var ent_pos = ent.get_global_pos()
+		var s_mw = vp_rect.size.x / 2
+		var s_mh = vp_rect.size.y / 2
+		var s_x = s_mw + (ent_pos.x / vp_rect.size.x) - (cam_pos.x / vp_rect.size.x)
+		var s_y = s_mh + (ent_pos.y / vp_rect.size.y) - (cam_pos.y / vp_rect.size.y)
+		draw_rect(Rect2(s_x, s_y, 2, 2), Color(1, 1, 1))

Game.tscn

@@ -1,14 +1,43 @@
-[gd_scene load_steps=3 format=1]
+[gd_scene load_steps=5 format=1]
 
-[ext_resource path="res://Player.tscn" type="PackedScene" id=1]
+[ext_resource path="res://Minimap.tscn" type="PackedScene" id=1]
 [ext_resource path="res://AsteroidSpawner.tscn" type="PackedScene" id=2]
+[ext_resource path="res://Player.tscn" type="PackedScene" id=3]
+[ext_resource path="res://raw/space.png" type="Texture" id=4]
 
 [node name="Game" type="Node"]
 
-[node name="Player" parent="." instance=ExtResource( 1 )]
-
-transform/pos = Vector2( 92.7742, 71.7896 )
+[node name="Minimap" parent="." instance=ExtResource( 1 )]
 
 [node name="AsteroidSpawner" parent="." instance=ExtResource( 2 )]
 
+[node name="Player" parent="." instance=ExtResource( 3 )]
+
+transform/pos = Vector2( 92.7742, 71.7896 )
+
+[node name="ParallaxBackground" type="ParallaxBackground" parent="."]
+
+layer = -1
+offset = Vector2( 0, 0 )
+rotation = 0.0
+scale = Vector2( 1, 1 )
+scroll/offset = Vector2( 0, 0 )
+scroll/base_offset = Vector2( 0, 0 )
+scroll/base_scale = Vector2( 1, 1 )
+scroll/limit_begin = Vector2( 0, 0 )
+scroll/limit_end = Vector2( 0, 0 )
+scroll/ignore_camera_zoom = true
+
+[node name="ParallaxLayer" type="ParallaxLayer" parent="ParallaxBackground"]
+
+motion/scale = Vector2( 0.25, 0.25 )
+motion/offset = Vector2( 0, 0 )
+motion/mirroring = Vector2( 0, 0 )
+
+[node name="Sprite" type="Sprite" parent="ParallaxBackground/ParallaxLayer"]
+
+texture = ExtResource( 4 )
+region = true
+region_rect = Rect2( 0, 0, 8192, 8192 )
+
 

Minimap.gd

@@ -0,0 +1,42 @@
+extends Control
+
+var offset_pos = Vector2(32, 32)
+
+onready var render_target = get_node("Viewport")
+onready var tex_frame = get_node("TextureFrame")
+
+var entities = Array()
+
+func _ready():
+	set_fixed_process(true)
+	tex_frame.set_texture(render_target.get_render_target_texture())
+	render_target.init(entities)
+	tex_frame.set_pos(Vector2(32, 32))
+
+func register_entity(e):
+	entities.append(weakref(e))
+	render_target.init(entities)
+
+func collect_entities():
+	var to_remove
+	for i in range(0, entities.size()):
+		if not entities[i].get_ref():
+			if to_remove == null:
+				to_remove = Array()
+			to_remove.push_back(i)
+	
+func _fixed_process(delta):
+	collect_entities()
+	
+func _get_camera_center():
+	var vtrans = get_canvas_transform()
+	var top_left = -vtrans.get_origin() / vtrans.get_scale()
+	var vsize = get_viewport_rect().size
+	return top_left + 0.5*vsize/vtrans.get_scale()
+
+func _draw():
+	if entities.size() > 0:
+		render_target.render_target_clear()
+		render_target.it_changed(_get_camera_center())
+		# gc the shit out of em
+		collect_entities()

Minimap.tscn

@@ -0,0 +1,63 @@
+[gd_scene load_steps=5 format=1]
+
+[ext_resource path="res://MinimapControl.gd" type="Script" id=1]
+[ext_resource path="res://Minimap.gd" type="Script" id=2]
+[ext_resource path="res://MinimapTarget.gd" type="Script" id=3]
+[ext_resource path="res://Drawer.gd" type="Script" id=4]
+
+[node name="MinimapControl" type="CanvasLayer"]
+
+layer = 1
+offset = Vector2( 0, 0 )
+rotation = 0.0
+scale = Vector2( 1, 1 )
+script/script = ExtResource( 1 )
+
+[node name="Minimap" type="Control" parent="."]
+
+focus/ignore_mouse = false
+focus/stop_mouse = true
+size_flags/horizontal = 2
+size_flags/vertical = 2
+margin/left = 0.0
+margin/top = 0.0
+margin/right = 0.0
+margin/bottom = 0.0
+script/script = ExtResource( 2 )
+
+[node name="TextureFrame" type="TextureFrame" parent="Minimap"]
+
+rect/scale = Vector2( 2, 2 )
+focus/ignore_mouse = true
+focus/stop_mouse = true
+size_flags/horizontal = 2
+size_flags/vertical = 2
+margin/left = 0.0
+margin/top = 0.0
+margin/right = 128.0
+margin/bottom = 128.0
+stretch_mode = 0
+
+[node name="Viewport" type="Viewport" parent="Minimap"]
+
+rect = Rect2( 0, 0, 128, 128 )
+own_world = false
+world = null
+transparent_bg = false
+render_target/enabled = true
+render_target/v_flip = false
+render_target/clear_on_new_frame = false
+render_target/filter = false
+render_target/gen_mipmaps = false
+render_target/update_mode = 3
+audio_listener/enable_2d = false
+audio_listener/enable_3d = false
+physics/object_picking = false
+gui/disable_input = false
+script/script = ExtResource( 3 )
+
+[node name="Drawer" type="Node2D" parent="Minimap/Viewport"]
+
+script/script = ExtResource( 4 )
+
+

MinimapControl.gd

@@ -0,0 +1,18 @@
+extends CanvasLayer
+
+onready var map = get_node("Minimap")
+
+var n_frames = 5
+var frames_passed = 0
+
+func _ready():
+	set_fixed_process(true)
+	
+func _fixed_process(delta):
+	frames_passed += 1
+	if frames_passed >= n_frames:
+		frames_passed = 0
+		map.update()
+
+func register_entity(e):
+	map.register_entity(e)

MinimapTarget.gd

@@ -0,0 +1,12 @@
+extends Viewport
+
+onready var child = get_node("Drawer")
+
+func _ready():
+	pass
+
+func init(ents):
+	child.init(ents)
+	
+func it_changed(new_pos):
+	child.it_changed(new_pos)

Player.gd

@@ -1,6 +1,7 @@
 extends KinematicBody2D
 
 onready var sprite = get_node("Sprite")
+onready var camera = get_node("Camera2D")
 
 var mov_speed = 64 # pixels per second
 var ship_vel = Vector2(0, 0)
@@ -16,7 +17,7 @@ func _ready():
 	
 func turn_towards(delta, pos):
 	
-	var target_dir = (pos - get_pos()).normalized()
+	var target_dir = (pos - get_global_pos()).normalized()
 	var cpd = target_dir.dot(ship_dir.rotated(deg2rad(90)))
 
 	var as = asin(cpd)
@@ -27,7 +28,7 @@ func turn_towards(delta, pos):
 func _fixed_process(delta):
 	
 	var mov_delta = Vector2(0, 0)
-	turn_towards(delta, get_viewport().get_mouse_pos())
+	turn_towards(delta, get_global_mouse_pos())
 
 	if Input.is_action_pressed("player_move_forwards"):
 		mov_delta += -ship_dir

Player.tscn

@@ -16,4 +16,23 @@ script/script = ExtResource( 1 )
 
 texture = ExtResource( 2 )
 
+[node name="Camera2D" type="Camera2D" parent="."]
+
+anchor_mode = 1
+rotating = false
+current = true
+zoom = Vector2( 1, 1 )
+limit/left = -10000000
+limit/top = -10000000
+limit/right = 10000000
+limit/bottom = 10000000
+drag_margin/h_enabled = true
+drag_margin/v_enabled = true
+smoothing/enable = false
+smoothing/speed = 5.0
+drag_margin/left = 0.2
+drag_margin/top = 0.2
+drag_margin/right = 0.2
+drag_margin/bottom = 0.2
+
 

raw/space.png.flags

@@ -0,0 +1,2 @@
+filter=false
+repeat=true