Merge pull request #1 from dpDeadlyPuzzles/main

initial EnchantedSword swing

resources/images/bullets/Enchanted_Sword/Enchanted_Beam.png.import

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+[remap]
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+importer="texture"
+type="CompressedTexture2D"
+uid="uid://doavl47vaddfj"
+path="res://.godot/imported/Enchanted_Beam.png-77e6b4cc215e0e022de9ea8b0a52747d.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resources/images/bullets/Enchanted_Sword/Enchanted_Beam.png"
+dest_files=["res://.godot/imported/Enchanted_Beam.png-77e6b4cc215e0e022de9ea8b0a52747d.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

resources/images/weapons/Enchanted_Sword.png.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://ckmjjonp8tx4"
+path="res://.godot/imported/Enchanted_Sword.png-2ceb888fecf100f517e156722a58f2d0.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resources/images/weapons/Enchanted_Sword.png"
+dest_files=["res://.godot/imported/Enchanted_Sword.png-2ceb888fecf100f517e156722a58f2d0.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

scenes/bullets/enchanted_beam.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://c6uw0pckwbylu"]
+
+[ext_resource type="Texture2D" uid="uid://doavl47vaddfj" path="res://resources/images/bullets/Enchanted_Sword/Enchanted_Beam.png" id="1_185ht"]
+[ext_resource type="Script" path="res://scripts/bullets/enchanted_beam.gd" id="2_quqb1"]
+
+[sub_resource type="CapsuleShape2D" id="CapsuleShape2D_fb1sb"]
+radius = 8.48529
+height = 70.7107
+
+[node name="Enchanted_Beam" type="Area2D"]
+position = Vector2(629, 285)
+script = ExtResource("2_quqb1")
+direction = Vector2(-1, -1.5)
+speed = 500.0
+metadata/_edit_group_ = true
+
+[node name="Out_Screen" type="VisibleOnScreenNotifier2D" parent="."]
+
+[node name="Start" type="Timer" parent="."]
+one_shot = true
+autostart = true
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+scale = Vector2(2, 2)
+texture = ExtResource("1_185ht")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+rotation = 0.785398
+shape = SubResource("CapsuleShape2D_fb1sb")

scenes/weapons/enchanted_sword.tscn

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+[gd_scene load_steps=3 format=3 uid="uid://dikatje0ca8i5"]
+
+[ext_resource type="Texture2D" uid="uid://ckmjjonp8tx4" path="res://resources/images/weapons/Enchanted_Sword.png" id="1_cwcxs"]
+[ext_resource type="Script" path="res://scripts/weapons/enchanted_sword.gd" id="2_h56vq"]
+
+[node name="Enchanted_Sword" type="Sprite2D"]
+position = Vector2(600, 300)
+rotation = -2.2218
+scale = Vector2(2, 2)
+texture = ExtResource("1_cwcxs")
+script = ExtResource("2_h56vq")
+metadata/_edit_group_ = true

scripts/bullets/enchanted_beam.gd

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+extends Area2D
+
+@export var direction : Vector2
+@export var speed : float
+# Called when the node enters the scene tree for the first time.
+func _ready(): 
+	rotation = PI / 4 + Vector2(0, 0).angle_to_point(direction)
+	direction = direction.normalized()
+	set_process(0)
+	$Start.timeout.connect(start)
+	$Out_Screen.screen_exited.connect(queue_free)
+
+func start():
+	set_process(1)
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	position += delta * speed * direction 
+
+

scripts/weapons/enchanted_sword.gd

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+extends Sprite2D
+
+
+var finished : bool
+func _ready():
+	finished = true
+	swingStart(Vector2(330, 330), Vector2(600, 300))
+
+
+var now_func : Callable # 当前动作对应函数
+
+
+func start(func_name : Callable):
+	if !finished: # 没完成 
+		return
+	finished = false
+	now_func = func_name
+
+func exit():
+	finished = true	
+
+func radToVector(rad : float) -> Vector2:
+	return Vector2(cos(rad), sin(rad))
+# 剑头指向某一方向的rotation
+func swordToRotation(rad : float) -> float:
+	return rad + PI / 4
+
+#返回是否达到指定位置
+# 旋转并移动到指定位置                     #剑头的角度 
+func normalMove(end_point : Vector2, end_rotation : float , speed : float, delta : float) -> bool: 
+	if (position - end_point).length() <= speed / 100:
+		return true
+	# 起点指向终点的向量
+	var vector = end_point - position
+	# 起点到终点转的角度
+	var direction = radToVector(rotation).angle_to(radToVector(swordToRotation(end_rotation)))
+	var rotate_speed = direction / vector.length() * speed
+	vector = vector.normalized() * speed
+
+	rotation += rotate_speed * delta #旋转
+	position += vector * delta# 向指定位置移动	
+	return false
+
+# ---swing---	
+var start_point : Vector2
+var target : Vector2
+var times : int
+func swingStart(point : Vector2, to : Vector2):
+	start(swing)
+	start_point = point
+	target = to
+
+
+
+# 在大概start_point这个位置, 向target挥舞攻击	
+func swing(delta : float):
+	if times >= 5:
+		exit()
+		return
+	# 移到(从start_point向(start_point与target连线垂直方向)一定距离)
+	var even = times % 2 == 0
+	var rad = start_point.angle_to_point(target)
+	var to_position = 200 * radToVector(rad + (- PI / 2 if even else PI / 2))
+	var arrive = normalMove(start_point + to_position, rad -PI / 3 if even else PI / 3, 600, delta) 
+	if arrive: 
+		times += 1
+
+# -----------	
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	if !finished && now_func:
+		now_func.call(delta)
+	# else : 
+		# 应该有个默认状态保持竖直朝下 并上下漂浮?