添加新素材

  • 从素材网站上 下载下来新的Player素材

    • AttackSprite01.png

    • 新增attack的三个特效

    • 新增attack的状态机并添加脚本

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      class_name StateAttack extends State
       
      @export_range(1, 20,  0.5) var decelebrate_speed : float = 5.0
      @export var audio_stream: AudioStream
      var attacking: bool =  false
      @onready var walk: StateWalk = $"../Walk"
      @onready var idle: StateIdle = $"../Idle"
      @onready var animation_player: AnimationPlayer = $"../../AnimationPlayer"
      @onready var attack_animation_player: AnimationPlayer = $"../../Sprite2D/AttackSprite2D/AttackAnimationPlayer"
      @onready var audio: AudioStreamPlayer2D = $"../../Audio/AudioStreamPlayer2D"

      func _ready() -> void:
      	pass

      func  Enter() -> void:
      	player.UpdateAnimation("attack")
      	attack_animation_player.play("attack_" + player.AnimationDirection())
      	animation_player.animation_finished.connect( EndAttack )
      	audio.stream = audio_stream
      	audio.pitch_scale = randf_range(0.9, 1.1)
      	audio.play()
      	attacking = true
      	pass
      	
      func Exit() -> void:
      	animation_player.animation_finished.disconnect( EndAttack )
      	pass
      	
      func Process(_delta: float) -> State:
      	player.velocity -= player.velocity * decelebrate_speed * _delta
      	if attacking == false:
      		if player.direction == Vector2.ZERO:
      			return idle
      		else:
      			return walk
      	return null

      func PhysicsProcess(_delta: float) -> State:
      	return null

      func HandleInput(_event: InputEvent) -> State:
      	return null

      func EndAttack(_newAnimName: String) -> void:
      	attacking = false

    • 创建一个no_attack的动画，设置为auto，表示为默认 展示的，否则图片上会默认 展示第一帧

  • 修改idle和walk的状态机脚本

    • 添加按键监听，如果按下攻击键则进入attack模式
    • attack动画播放完后，根据用户状态进入walk或idle模式

添加音乐

  • 创建一个节点，下面挂载AudioStreamPlayer2D节点
  • 在attack脚本中添加export的audioStream，上面那个player用于播放

添加阴影

  • 创建一个新的sprite用来放置阴影