feat:add beam for star wrath

project.godot

@@ -61,7 +61,10 @@ locale/translations_pot_files=PackedStringArray("res://scenes/multi_game.tscn")
 
 [layer_names]
 
-2d_render/layer_2="wall"
+2d_render/layer_1="wall"
+2d_render/layer_2="player"
+2d_render/layer_3="sword"
+2d_render/layer_4="bullet"
 
 [rendering]
 

scenes/bullets/star_wrath/laser_beam.gd

@@ -4,43 +4,66 @@ extends RayCast2D
 @export var max_length = 1400.0
 @export var growth_time = 0.5
 
+# 标记是否发送
 var is_casting = false
 var tween
+# 该线是两个点的，用于标记激光
 @onready var fill = $Line2D
 @onready var casting_particles = $CastingParticles
+# 碰撞后产生的粒子效果
 @onready var collision_particles = $CollisionParticles
+# 激光产生的粒子
 @onready var beam_particles = $BeamParticles
+# 激光的宽度
 @onready var line_width = fill.width
+# 激光的方向
+var direct: Vector2 = Vector2.RIGHT
 
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
+	# 无激光绘制时关闭process减少性能开销
 	set_physics_process(false)
 	fill.points[1] = Vector2.ZERO
 	tween = create_tween()
 
 
 func _physics_process(delta: float) -> void:
-	target_position = (target_position + Vector2.RIGHT * cast_speed * delta).limit_length(
-		max_length
-	)
+	target_position = (target_position + self.direct * cast_speed * delta).limit_length(max_length)
 	cast_beam()
 
 
+# 初始化
+func init(pos: Vector2):
+	self.global_position = pos
+
+
+# 设置激光的方向
+func set_direct(direct_arg: Vector2) -> void:
+	self.direct = direct_arg.normalized()
+
+
 func cast_beam():
+	# 当前的终点
 	var cast_point = target_position
+	# 更新射线
 	force_raycast_update()
+	# 检测是否碰撞
 	var status = is_colliding()
+	# 如果碰撞，产生碰撞粒子
 	collision_particles.emitting = status
 	if status:
 		cast_point = to_local(get_collision_point())
+		# 让碰撞粒子旋转某个角度
 		collision_particles.global_rotation = get_collision_normal().angle()
+		# 让碰撞粒子移动到碰撞点
 		collision_particles.global_position = get_collision_point()
 	fill.points[1] = cast_point
 	beam_particles.position = cast_point * 0.5
 	beam_particles.process_material.emission_box_extents.x = cast_point.length() * 0.5
 
 
+# 设置激光开启关闭
 func set_is_casting(cast: bool) -> void:
 	is_casting = cast
 	if is_casting:
@@ -56,13 +79,15 @@ func set_is_casting(cast: bool) -> void:
 	casting_particles.emitting = is_casting
 
 
+# 光柱渐渐出现
 func appear():
 	tween.kill()
 	tween = create_tween()
 	tween.tween_property(fill, "width", line_width, growth_time * 2).from(0)
 
 
+# 光柱消失
 func disappear():
 	tween.kill()
 	tween = create_tween()
-	tween.tween_property(fill, "width", 0, growth_time).from(line_width)
+	tween.tween_property(fill, "width", 0, growth_time * 1.5).from(line_width)

scenes/bullets/star_wrath/laser_beam.tscn

@@ -16,11 +16,13 @@ particle_flag_disable_z = true
 gravity = Vector3(0, 98, 0)
 
 [node name="LaserBeam" type="RayCast2D"]
+collision_mask = 2
 script = ExtResource("1_pxjff")
 
 [node name="Line2D" type="Line2D" parent="."]
 points = PackedVector2Array(0, 0, 100, 0)
 closed = true
+width = 20.0
 default_color = Color(0.906203, 0.352697, 0.705898, 1)
 texture_mode = 2
 joint_mode = 2

scenes/fight.tscn

@@ -85,6 +85,8 @@ rotation = 0.710345
 [node name="Player" type="Player" parent="."]
 position = Vector2(570, 414)
 scale = Vector2(0.2, 0.2)
+collision_layer = 2
+collision_mask = 15
 motion_mode = 1
 floor_stop_on_slope = false
 floor_block_on_wall = false

scenes/weapons/star_wrath/star_wrath.gd

@@ -2,9 +2,11 @@ extends StarWrath
 
 @export var star_wrath_origin: PackedScene
 var operation_idx = 0
-var operations = [func(): self.fall_star_process(), func(): self.leave()]
+# func(): self.fall_star_process(),
+var operations = [func(): self.beam_shoot1(), func(): self.leave()]
 @onready var animation_player = $AnimationPlayer
 @onready var star_wrath = $StarWrath
+var beam_scene: PackedScene = preload("res://scenes/bullets/star_wrath/laser_beam.tscn")
 
 
 func next_operation():
@@ -23,6 +25,16 @@ func fall_star_process():
 	next_operation()
 
 
+func beam_shoot1():
+	var beam = beam_scene.instantiate()
+	self.add_child(beam)
+	beam.init(Vector2(200, 450))
+	beam.set_is_casting(true)
+	beam.set_direct(beam.to_local(Vector2(300, 450)))
+	await get_tree().create_timer(10.0).timeout
+	beam.set_is_casting(false)
+
+
 func leave():
 	await self.get_tree().create_timer(0.3).timeout
 	var tween = create_tween()

scenes/weapons/star_wrath/star_wrath.tscn

@@ -139,6 +139,7 @@ texture = ExtResource("4_ohxcu")
 editor_description = "Debug"
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="StarWrath"]
+position = Vector2(-88.8015, -56.0204)
 rotation = 2.30812
 scale = Vector2(4.2, 1)
 shape = SubResource("RectangleShape2D_qm46a")