follow the drawn path

2 files changed, 34 insertions, 3 deletions

diff --git a/Nodes/drawing.tscn b/Nodes/drawing.tscn
index 4c04ea7..3f65fee 100644
--- a/Nodes/drawing.tscn
+++ b/Nodes/drawing.tscn
@@ -1,8 +1,19 @@
-[gd_scene load_steps=2 format=3 uid="uid://covygojlfmx6x"]
+[gd_scene load_steps=4 format=3 uid="uid://covygojlfmx6x"]
 
 [ext_resource type="Script" path="res://Scripts/drawing.gd" id="1_03nmp"]
+[ext_resource type="Texture2D" uid="uid://bpasf8is2xnfb" path="res://icon.svg" id="2_sgpkt"]
+
+[sub_resource type="Curve2D" id="Curve2D_dtc4h"]
 
 [node name="Drawing" type="Node2D"]
 script = ExtResource("1_03nmp")
 
 [node name="TrackLine" type="Line2D" parent="."]
+
+[node name="TrackPath" type="Path2D" parent="."]
+curve = SubResource("Curve2D_dtc4h")
+
+[node name="TrackFollower" type="PathFollow2D" parent="TrackPath"]
+
+[node name="Sprite2D" type="Sprite2D" parent="TrackPath/TrackFollower"]
+texture = ExtResource("2_sgpkt")
diff --git a/Scripts/drawing.gd b/Scripts/drawing.gd
index 34129ac..d47e161 100644
--- a/Scripts/drawing.gd
+++ b/Scripts/drawing.gd
@@ -1,18 +1,38 @@
 extends Node
 
 var drawing = false
+var driving_progress = -1
 var line: Line2D
+var path: Path2D
 
 
 func _ready():
 	line = $TrackLine
+	path = $TrackPath
 	Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
 
+func _process(delta):
+	pass
+
+func _physics_process(delta):
+	if driving_progress >= 0:
+		driving_progress += delta*200
+		$TrackPath/TrackFollower.progress = driving_progress
+		#print(driving_progress)
+
 func _input(event):
 	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT:
-		# start/stop drawing
 		drawing = event.pressed
-
+		if drawing:
+			# start a new drawing
+			line.clear_points()
+			path.curve.clear_points()
+			driving_progress = -1
+		else:
+			# start driving
+			driving_progress = 0
+	
 	if event is InputEventMouseMotion and drawing:
 		# extend the line
 		line.add_point(event.position)
+		path.curve.add_point(event.position)