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✨ Add an erratic movement behaviour

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This commit is contained in:
Steffo 2022-04-02 22:35:30 +02:00
parent 19f0f88807
commit 0c7d39a815
Signed by: steffo
GPG key ID: 6965406171929D01
3 changed files with 22 additions and 3 deletions
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6
src/entities/Enemy.tscn
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@ -1,7 +1,8 @@
[gd_scene load_steps=4 format=2] [gd_scene load_steps=5 format=2]
[ext_resource path="res://src/mechanics/Black.png" type="Texture" id=1] [ext_resource path="res://src/mechanics/Black.png" type="Texture" id=1]
[ext_resource path="res://src/entities/behaviours/AttractedTo.gd" type="Script" id=2] [ext_resource path="res://src/entities/behaviours/AttractedTo.gd" type="Script" id=2]
[ext_resource path="res://src/entities/behaviours/ErraticMovement.gd" type="Script" id=3]
[sub_resource type="RectangleShape2D" id=1] [sub_resource type="RectangleShape2D" id=1]
extents = Vector2( 16, 16 ) extents = Vector2( 16, 16 )
@ -11,6 +12,9 @@ extents = Vector2( 16, 16 )
[node name="AttractedTo" type="Node" parent="."] [node name="AttractedTo" type="Node" parent="."]
script = ExtResource( 2 ) script = ExtResource( 2 )
[node name="ErraticMovement" type="Node" parent="."]
script = ExtResource( 3 )
[node name="Sprite" type="Sprite" parent="."] [node name="Sprite" type="Sprite" parent="."]
texture = ExtResource( 1 ) texture = ExtResource( 1 )

5
src/entities/behaviours/AttractedTo.gd
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@ -2,11 +2,12 @@ extends Node
export var movement_per_second: float = 32.0 export var movement_per_second: float = 32.0
export var goal_absolute_path: String = "Game/Fire"
onready var target: KinematicBody2D = get_parent() onready var target: KinematicBody2D = get_parent()
# TODO: Use a better algorithm # TODO: Use a better algorithm
onready var goal: StaticBody2D = get_parent().get_parent().get_node("Fire") onready var goal: StaticBody2D = get_tree().root.get_node(goal_absolute_path)
signal touching_goal signal touching_goal
@ -23,4 +24,4 @@ func _physics_process(_delta):
emit_signal("touching_goal") emit_signal("touching_goal")
if not goal_reached_triggered: if not goal_reached_triggered:
emit_signal("goal_reached") emit_signal("goal_reached")
goal_reached_triggered = true goal_reached_triggered = true

14
src/entities/behaviours/ErraticMovement.gd Normal file
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@ -0,0 +1,14 @@
extends Node
export var movement_per_second: float = 16.0
onready var target: KinematicBody2D = get_parent()
onready var rng = RandomNumberGenerator.new()
func _physics_process(_delta):
var direction: Vector2 = Vector2(rng.randf_range(-1, 1), rng.randf_range(-1, 1)).normalized()
var _motion: Vector2 = target.move_and_slide(direction * movement_per_second, Vector2.ZERO)