82 lines
2.3 KiB
GDScript
82 lines
2.3 KiB
GDScript
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class_name Slime extends Area2D
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@onready var enemy_graphic: AnimatedSprite2D = $EnemyGraphic
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@onready var right_cast: RayCast2D = $RightCast
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@onready var right_down_cast: RayCast2D = $RightDownCast
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@onready var left_down_cast: RayCast2D = $LeftDownCast
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@onready var left_cast: RayCast2D = $LeftCast
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signal enemyAttackSignal(body, enemy)
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var speed = 100
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enum FaceDirection {RIGHT,LEFT}
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var facing:FaceDirection = FaceDirection.RIGHT
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var direction = 0
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enum EnemyStates {RUN, ATTACK, SPAWN}
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var currentEnemyState:EnemyStates = EnemyStates.SPAWN
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# Called when the node enters the scene tree for the first time.
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func _ready() -> void:
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pass # Replace with function body.
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# Called every frame. 'delta' is the elapsed time since the previous frame.
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func _process(delta: float) -> void:
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handleMovement(delta)
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handleStates()
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handleAnimation()
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handleCollisions()
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func _on_body_entered(body: Node2D) -> void:
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if body is Player:
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print("Attack the player")
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currentEnemyState = EnemyStates.ATTACK
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direction = 0
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enemyAttackSignal.emit(body, self)
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func handleMovement(delta)->void:
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position.x += direction*speed*delta
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match facing:
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FaceDirection.LEFT:
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enemy_graphic.flip_h = true
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FaceDirection.RIGHT:
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enemy_graphic.flip_h = false
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func handleStates()->void:
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match currentEnemyState:
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EnemyStates.SPAWN when not direction ==0 :
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print("setting state to run")
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currentEnemyState = EnemyStates.RUN
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func handleAnimation()->void:
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match currentEnemyState:
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EnemyStates.SPAWN:
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enemy_graphic.play("spawn")
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EnemyStates.RUN:
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enemy_graphic.play("idle")
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EnemyStates.ATTACK:
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enemy_graphic.play("attack")
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func handleCollisions()->void:
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if not right_down_cast.is_colliding():
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direction =-1
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facing = FaceDirection.LEFT
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if not left_down_cast.is_colliding():
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direction = 1
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facing = FaceDirection.RIGHT
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if right_cast.is_colliding() && not right_cast.get_collider() is Player:
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direction = -1
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facing=FaceDirection.LEFT
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if left_cast.is_colliding() && not left_cast.get_collider() is Player:
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direction = 1
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facing=FaceDirection.RIGHT
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func _on_animation_finished() -> void:
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match currentEnemyState:
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EnemyStates.SPAWN:
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currentEnemyState = EnemyStates.RUN
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direction = 1
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EnemyStates.ATTACK:
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currentEnemyState = EnemyStates.RUN
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direction = (randi() % 2) * 2 - 1
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