100 lines
2.8 KiB
GDScript
100 lines
2.8 KiB
GDScript
extends Area2D
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signal damage_taken
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# signal shield_damage
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# signal shield_ui
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@export var speed: int = 150
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@export var cooldown: float = 0.25
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@export var bullet_scene : PackedScene
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@export var max_shield: int = 10
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var shield: int = 0:
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set = set_shield
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var can_shoot = true
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var shader_active = false
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var clamp_shield = clamp(shield, 0, max_shield)
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@onready var screensize = get_viewport_rect().size
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@onready var explosion = $Explosion
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@onready var wait_time = $GunCooldown
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@onready var ship = $Ship
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func _ready():
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print(shield)
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$Ship.hide()
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# start()
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func start():
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print(shield)
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set_process(true)
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$Ship.show()
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position = Vector2(screensize.x / 2, screensize.y + 32)
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var tween = create_tween()
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tween.tween_property($Ship, "position:y", 32 * -1, .25)
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$GunCooldown.wait_time = cooldown
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set_shield(max_shield)
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print(shield)
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# EventBus.shield_changed.emit(max_shield, old_value, shield)
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func _process(delta):
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var input = Input.get_vector("left", "right", "up", "down")
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if input.x > 0:
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$Ship.frame = 2
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$Ship/Boosters.animation = "right"
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elif input.x < 0:
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$Ship.frame = 0
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$Ship/Boosters.animation = "left"
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else:
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$Ship.frame = 1
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$Ship/Boosters.animation = "forward"
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position += input * speed * delta
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position = position.clamp(Vector2(8, 8), screensize - Vector2(8, 8))
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if Input.is_action_pressed("shoot"):
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shoot()
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func shoot():
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if not can_shoot:
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return
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can_shoot = false
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$GunCooldown.start()
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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 + $Ship.position + Vector2(0, -1))
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var tween = create_tween().set_parallel(false)
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tween.tween_property($Ship, "position:y", 1, 0.1).as_relative()
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tween.tween_property($Ship, "position:y", 0, 0.05).as_relative()
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func set_shield(value: int):
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var old_value = shield
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shield = clamp(value, 0, max_shield)
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EventBus.shield_changed.emit(max_shield, old_value, shield)
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print("Shield set to:", shield)
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if shield <= 0:
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EventBus.player_died.emit()
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set_process(false)
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$Ship.hide()
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$Explosion.show()
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$Explosion/AnimationPlayer.play("explosion-one-shot")
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await $Explosion/AnimationPlayer.animation_finished
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func _on_gun_cooldown_timeout() -> void:
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can_shoot = true
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func _on_area_entered(area):
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if area.is_in_group("enemies"):
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area.explode()
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shield -= int(max_shield / 2)
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damage_taken.emit()
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if area.is_in_group("enemy_bullets"):
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damage_taken.emit()
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func _on_damage_taken() -> void:
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# emit_signal("shield_ui")
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shader_active = true
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$Ship.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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$Ship.material.set_shader_parameter("toggle", 0.0)
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