add pixel array

World/Main.tscn

@@ -0,0 +1,7 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://World/Tree.tscn" type="PackedScene" id=1]
+
+[node name="Main" type="Node2D"]
+
+[node name="Tree" parent="." instance=ExtResource( 1 )]

World/Pixel.tscn

@@ -0,0 +1,9 @@
+[gd_scene format=2]
+
+[node name="Pixel" type="ColorRect"]
+margin_right = 1.0
+margin_bottom = 1.0
+color = Color( 0, 0, 0, 0 )
+__meta__ = {
+"_edit_use_anchors_": false
+}

World/Tree.gd

@@ -0,0 +1,23 @@
+extends Node2D
+export var size = Vector2(128, 144)
+# 2 dimensional array y and x
+var pixels_y = []
+
+func _ready():
+	call_deferred("spawn_pixels")
+
+func spawn_pixels():
+	for n in size.x:
+		var pixels_x = []
+		for i in size.y:
+			var Main = get_tree().current_scene
+			var Pixel = preload("res://World/Pixel.tscn")
+			var pixel = Pixel.instance()
+			# set position
+			pixel.rect_global_position = Vector2(n, i)
+			# show in scene
+			Main.add_child(pixel)
+			# initilize array
+			pixels_y.append(pixel)
+		pixels_x.append(pixels_y)
+

World/Tree.tscn

@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://World/Tree.gd" type="Script" id=2]
+
+[node name="Tree" type="Node2D"]
+script = ExtResource( 2 )

default_env.tres

@@ -1,5 +1,7 @@
 [gd_resource type="Environment" load_steps=2 format=2]
+
 [sub_resource type="ProceduralSky" id=1]
+
 [resource]
 background_mode = 2
 background_sky = SubResource( 1 )

project.godot

@@ -11,12 +11,21 @@ config_version=4
 [application]
 
 config/name="Untitled Plant Game"
+run/main_scene="res://World/Main.tscn"
 config/icon="res://icon.png"
 
+[display]
+
+window/size/width=256
+window/size/height=144
+window/stretch/mode="2d"
+window/stretch/aspect="keep"
+
 [physics]
 
 common/enable_pause_aware_picking=true
 
 [rendering]
 
+environment/default_clear_color=Color( 0.94902, 0.988235, 0.878431, 1 )
 environment/default_environment="res://default_env.tres"