From d4ddd4e49cda9232ed677d323014430581ea033e Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <me@steffo.eu>
Date: Sun, 14 Apr 2024 00:26:24 +0200
Subject: [PATCH] Create `SkitterFromMouse` behaviour

---
 behaviours/skitter_from_mouse.gd   | 67 ++++++++++++++++++++++++++++++
 behaviours/skitter_from_mouse.tscn | 24 +++++++++++
 2 files changed, 91 insertions(+)
 create mode 100644 behaviours/skitter_from_mouse.gd
 create mode 100644 behaviours/skitter_from_mouse.tscn

diff --git a/behaviours/skitter_from_mouse.gd b/behaviours/skitter_from_mouse.gd
new file mode 100644
index 0000000..52676ba
--- /dev/null
+++ b/behaviours/skitter_from_mouse.gd
@@ -0,0 +1,67 @@
+extends Node2D
+class_name SkitterFromMouse
+
+
+signal move(movement: Vector2)
+signal scared
+signal calmed
+
+
+@export_range(1, 5, 1) var speed := 2.0
+@export_range(1, 5, 1) var scare_secs := 1.0
+@export var directions: Array[Vector2] = []
+
+@onready var calm_timer: Timer = $"CalmTimer"
+
+
+var mouse_inside: bool = false
+
+enum State { CALM, SCARED }
+
+var state: State = State.CALM:
+	get:
+		return state
+	set(value):
+		if state != value:
+			state = value
+			match state:
+				State.CALM:
+					calmed.emit()
+				State.SCARED:
+					calm_timer.start(scare_secs)
+					scared.emit()
+
+
+func _ready():
+	if not directions: 
+		Log.w(self, "No directions defined, object won't skitter.")
+
+func _physics_process(delta: float) -> void:
+	match state:
+		State.SCARED:
+			var idx := Random.rng.randi_range(0, len(directions))
+			var direction: Vector2 = directions[idx]
+			var movement: Vector2 = direction * delta * speed
+			move.emit(movement)
+
+func _on_scare_area_mouse_entered() -> void:
+	mouse_inside = true
+
+func _on_scare_area_mouse_exited() -> void:
+	mouse_inside = false
+
+func _on_calm_timer_timeout() -> void:
+	if mouse_inside:
+		calm_timer.start(scare_secs)
+	else:
+		state = State.CALM
+
+func _on_move(movement: Vector2) -> void:
+	Log.p(self, "Moving by: %s" % movement)
+
+func _on_scared() -> void:
+	Log.p(self, "Scared!")
+
+func _on_calmed() -> void:
+	Log.p(self, "Calmed down.")
+
diff --git a/behaviours/skitter_from_mouse.tscn b/behaviours/skitter_from_mouse.tscn
new file mode 100644
index 0000000..354c3ed
--- /dev/null
+++ b/behaviours/skitter_from_mouse.tscn
@@ -0,0 +1,24 @@
+[gd_scene load_steps=3 format=3 uid="uid://c1wqgyakaultt"]
+
+[ext_resource type="Script" path="res://behaviours/skitter_from_mouse.gd" id="1_ftcf8"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_2d7x6"]
+radius = 30.0
+
+[node name="SkitterFromMouse" type="Node2D"]
+script = ExtResource("1_ftcf8")
+
+[node name="ScareArea" type="Area2D" parent="."]
+
+[node name="Shape" type="CollisionShape2D" parent="ScareArea"]
+shape = SubResource("CircleShape2D_2d7x6")
+debug_color = Color(0.72549, 0.47451, 0, 0.419608)
+
+[node name="CalmTimer" type="Timer" parent="."]
+
+[connection signal="calmed" from="." to="." method="_on_calmed"]
+[connection signal="move" from="." to="." method="_on_move"]
+[connection signal="scared" from="." to="." method="_on_scared"]
+[connection signal="mouse_entered" from="ScareArea" to="." method="_on_scare_area_mouse_entered"]
+[connection signal="mouse_exited" from="ScareArea" to="." method="_on_scare_area_mouse_exited"]
+[connection signal="timeout" from="CalmTimer" to="." method="_on_calm_timer_timeout"]