gae_wild_jam/scripts/purge.gd

73 lines
2.3 KiB
GDScript

extends Node2D
const ELITE_DAMAGE_PCT := 0.75
const FLASH_FADE_DURATION := 0.6
var _build_up_sound = preload("res://assets/music&sfx/sfx/purge_build_up.wav")
var _impact_boom_sound = preload("res://assets/music&sfx/sfx/purge_impact_boom.wav")
var _sustained_boom_sound = preload("res://assets/music&sfx/sfx/purge_sustained_boom.wav")
var _bass_sound = preload("res://assets/music&sfx/sfx/pruge_bass.wav")
var _flash_sound = preload("res://assets/music&sfx/sfx/purge_sigil.wav")
@onready var summon_circle: AnimatedSprite2D = $SummonCircle/AnimatedSprite2D
@onready var camera = get_node("/root/Game/Camera2D")
func _ready() -> void:
summon_circle.sprite_frames = summon_circle.sprite_frames.duplicate()
summon_circle.sprite_frames.set_animation_loop("default", false)
summon_circle.animation_finished.connect(_unleash)
summon_circle.frame_changed.connect(_on_summon_circle_frame_changed)
summon_circle.play("default")
camera.shake(2.0, 0.5)
_play_sfx(_build_up_sound, "SFX")
func _on_summon_circle_frame_changed() -> void:
if summon_circle.frame == 77:
_play_sfx(_flash_sound, "SFX", -10.0)
func _play_sfx(stream: AudioStream, bus: String, volume_db: float = 0.0) -> void:
var asp = AudioStreamPlayer.new()
asp.stream = stream
asp.bus = bus
asp.volume_db = volume_db
get_parent().add_child(asp)
asp.play()
asp.finished.connect(asp.queue_free)
func _unleash() -> void:
for enemy in get_tree().get_nodes_in_group("enemies"):
if not is_instance_valid(enemy):
continue
if enemy.scale.x > 1.0:
enemy.take_damage(int(enemy.max_hp * ELITE_DAMAGE_PCT))
else:
enemy.take_damage(enemy.hp)
_flash()
func _flash() -> void:
camera.shake(0.4, 8.0)
_play_sfx(_impact_boom_sound, "SFX", 3.0)
_play_sfx(_sustained_boom_sound, "PurgeReverb")
_play_sfx(_bass_sound, "PurgeReverb")
var circle_tween = create_tween()
circle_tween.set_pause_mode(Tween.TWEEN_PAUSE_PROCESS)
circle_tween.tween_property(summon_circle, "modulate:a", 0.0, 0.6)
var layer = CanvasLayer.new()
layer.layer = 100
add_child(layer)
var rect = ColorRect.new()
rect.color = Color(1, 1, 1, 1)
rect.set_anchors_preset(Control.PRESET_FULL_RECT)
rect.mouse_filter = Control.MOUSE_FILTER_IGNORE
layer.add_child(rect)
var tween = create_tween()
tween.set_pause_mode(Tween.TWEEN_PAUSE_PROCESS)
tween.tween_property(rect, "color:a", 0.0, FLASH_FADE_DURATION)
await tween.finished
queue_free()