Initial draw implementation for the PaintCanvas. Also udpated the engine to get the required changes.

HEADS

@@ -1 +1 @@
-{"engine": {"3.2": "64a9e86c5c20bd4bd5833f0563457d0126617489", "3.x": "9b512dd510207d32911064a1bbe15b80c91b006b"}, "world_generator": {"master": "260c430f11b0b591eaf4714516419aa327d2842c"}, "entity_spell_system": {"master": "3536f01bacf5f54cefb32b768cd020a1f94d0ade"}, "ui_extensions": {"master": "80a3b96fc56991a0f88a1d441ed1e3cebaf3307a"}, "texture_packer": {"master": "ae4d222fbaade063ed6f0bc9f3aaa53df68a7fed"}, "fastnoise": {"master": "46bb1f610bfb7171613b5c708d312bcf94e89356"}, "thread_pool": {"master": "0917511d04bb1aa308385b63ec88d3c182990628"}, "mesh_data_resource": {"master": "a062d871d49d954c5466b9de54b4075cb61cbef4"}, "mesh_utils": {"master": "b52a261c31f04fad624e5cfbcdcc4a45d61136da"}, "props": {"master": "2afd6eff45f9a921bdf4090ff3029def86df5cb5"}, "terraman_2d": {"master": "60a7e84a5dc2fc252b0c582dd8f877685d28d74a"}, "broken_seals_module": {"master": "52c5a81350db1c29d375c63d95010260911ec034"}, "rtile_map": {"master": "389070cfef387b69902e23e6c4ac53997b69e42e"}, "props_2d": {"master": "a45822b63519d7f9fb391ab6b1dced468c6f399d"}, "pandemonium_engine": {"master": "ab3e6f00145a31c612e026da192d11e20bbb1d01"}}
+{"engine": {"3.2": "64a9e86c5c20bd4bd5833f0563457d0126617489", "3.x": "9b512dd510207d32911064a1bbe15b80c91b006b"}, "world_generator": {"master": "260c430f11b0b591eaf4714516419aa327d2842c"}, "entity_spell_system": {"master": "3536f01bacf5f54cefb32b768cd020a1f94d0ade"}, "ui_extensions": {"master": "80a3b96fc56991a0f88a1d441ed1e3cebaf3307a"}, "texture_packer": {"master": "ae4d222fbaade063ed6f0bc9f3aaa53df68a7fed"}, "fastnoise": {"master": "46bb1f610bfb7171613b5c708d312bcf94e89356"}, "thread_pool": {"master": "0917511d04bb1aa308385b63ec88d3c182990628"}, "mesh_data_resource": {"master": "a062d871d49d954c5466b9de54b4075cb61cbef4"}, "mesh_utils": {"master": "b52a261c31f04fad624e5cfbcdcc4a45d61136da"}, "props": {"master": "2afd6eff45f9a921bdf4090ff3029def86df5cb5"}, "terraman_2d": {"master": "60a7e84a5dc2fc252b0c582dd8f877685d28d74a"}, "broken_seals_module": {"master": "52c5a81350db1c29d375c63d95010260911ec034"}, "rtile_map": {"master": "389070cfef387b69902e23e6c4ac53997b69e42e"}, "props_2d": {"master": "a45822b63519d7f9fb391ab6b1dced468c6f399d"}, "pandemonium_engine": {"master": "afa0e83f780ceb7255f2c4b5a72b7ed20931f3c2"}}

game/PaintCanvas.gd

@@ -1,6 +1,50 @@
 tool
 extends PaintCanvas
 
+var _mouse_down : bool = false
+
+func draw(local_position : Vector2) -> void:
+	set_pixel(local_position.x, local_position.y, Color(1, 1, 1, 1))
+
+func is_local(var pos : Vector2) -> bool:
+	if pos.x < 0 || pos.y < 0 || pos.x > size.x || pos.y > size.y:
+		return false
+		
+	return true
 
 func forward_canvas_gui_input(event: InputEvent) -> bool:
+	if event is InputEventMouseButton:
+		if event.button_index != BUTTON_LEFT:
+			return false
+
+		if _mouse_down:
+			if !event.pressed:
+				_mouse_down = false
+		else:
+			# This seems to be the easiest way to get local mouse position, 
+			# even though the event is available
+			var local_position : Vector2 = get_local_mouse_position()
+			
+			if is_local(local_position):
+				_mouse_down = true
+				return true
+
+	if _mouse_down && event is InputEventMouseMotion:
+		var local_position : Vector2 = get_local_mouse_position()
+		
+		if is_local(local_position):
+			draw(local_position)
+			update_textures()
+			update()
+			return true
+
 	return false
+
+func _ready() -> void:
+	#temp
+	resize(1, 1)
+	resize(128, 128)
+	
+func _draw() -> void:
+	draw_texture(get_image_texture(), Vector2())
+	draw_texture(get_preview_image_texture(), Vector2())

game/Project.tscn

@@ -4,8 +4,10 @@
 [ext_resource path="res://PaintProject.gd" type="Script" id=2]
 
 [node name="PaintProject" type="PaintProject"]
-current_color = Color( 0.957181, 0.325235, 0.352407, 1 )
+size = Vector2i( 128, 128 )
+current_color = Color( 0.86538, 0.233915, 0.49333, 1 )
 script = ExtResource( 2 )
 
 [node name="PaintCanvas" type="PaintCanvas" parent="."]
+size = Vector2i( 128, 128 )
 script = ExtResource( 1 )