123 lines
3 KiB
GDScript
123 lines
3 KiB
GDScript
extends Area2D
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var enemy_type: String = "crt"
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var bullet_scene = preload("res://scenes/enemy_bullet.tscn")
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var start_pos = Vector2.ZERO
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var move_break
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var speed = 0
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var direction = Vector2(0,1)
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var tween_speed: float = 1.4
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var exploding = false
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var can_shoot = true
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var vulnerable = true
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var stunned = false
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var blocking = false
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var shader_active = false
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var enemy_move_aggression = randf_range(5, 20)
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var enemy_shoot_aggression = randf_range(4, 20)
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const TILE = 32
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@onready var screensize = get_viewport_rect().size
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@onready var timer = $MoveTimer
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@onready var crt = get_node("CRT")
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func _ready():
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timer.start()
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func start(pos):
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speed = 2
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$CRT.frame = 0
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#var pos_mod = randf_range(-TILE,TILE) #modify the start position randomly
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#position = Vector2(pos.x + pos_mod, -pos.y) #add the modifier
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position = Vector2(pos.x, -pos.y)
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start_pos = pos
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await get_tree().create_timer(randf_range(0.25, 0.55)).timeout
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var tween = create_tween().set_trans(Tween.TRANS_BACK)
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tween.tween_property(self, "position:y", start_pos.y, tween_speed)
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await tween.finished
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$MoveTimer.wait_time = enemy_move_aggression
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$MoveTimer.start()
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$ShootTimer.wait_time = enemy_shoot_aggression
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$ShootTimer.start()
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func _on_timer_timeout():
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speed = randf_range(75, 100)
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$DirectionTimer.start()
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func _on_direction_timer_timeout():
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var move_direction = int(randf_range(0,3))
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match move_direction:
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0:
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$CRT.frame = 0
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direction = Vector2(0,1)
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can_shoot = true
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vulnerable = true
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1:
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$CRT.frame = 1
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direction = Vector2(1,0)
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can_shoot = false
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vulnerable = false
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2:
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$CRT.frame = 2
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direction = Vector2(-1,0)
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can_shoot = false
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vulnerable = false
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$DirectionTimer.start()
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func _on_shoot_timer_timeout():
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if can_shoot == true:
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var b = bullet_scene.instantiate()
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get_tree().root.add_child(b)
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b.start(position)
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$ShootTimer.wait_time = randf_range(4, 20)
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$ShootTimer.start()
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else:
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$ShootTimer.start()
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func _process(delta):
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if stunned == true:
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return
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position += direction * speed * delta
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if position.x > screensize.x + 32:
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start(start_pos)
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if position.y > screensize.y + 32:
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start(start_pos)
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func hit_detection():
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if exploding: return
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exploding = true
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EventBus.enemy_hit.emit(5)
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speed = 0
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$ImpactCRT.play()
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$AnimationPlayer.play("explode")
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#set_deferred("monitoring", false)
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await $AnimationPlayer.animation_finished
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queue_free()
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EventBus.enemy_died.emit()
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func block():
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if blocking: return
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blocking = true
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stunned = true
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await get_tree().create_timer(5).timeout
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shader_active = true
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crt.material.set_shader_parameter("toggle", 1.0)
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await get_tree().create_timer(1).timeout
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shader_active = false
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crt.material.set_shader_parameter("toggle", 0.0)
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stunned = false
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