命中检测

script/_global/util.gd

@@ -24,6 +24,40 @@ func raycast_wall(from:Vector3,to:Vector3) -> bool:
 	var result = space_state.intersect_ray(query)
 	return result.size()>0
 
+func attack_detection(pos:Vector3,target_pos:Vector3,target_radius:float,target_height:float,attack_dir:Vector2,attack_height:float,attack_size:Vector2,attack_radius:float) -> bool:
+	# 检查Y
+	var attack_y_min = pos.y
+	var attack_y_max = pos.y + attack_height
+	var target_y_min = target_pos.y
+	var target_y_max = target_pos.y + target_height
+	if attack_y_min > target_y_max || attack_y_max < target_y_min:
+		return false
+	# 保底距离
+	if pos.distance_to(target_pos) < 0.01:
+		return true
+		
+	# 2d距离
+	var dist_2d = Vector2(pos.x,pos.z).distance_to(Vector2(target_pos.x,target_pos.z))
+	
+	# 如果是圆形
+	if attack_radius:
+		return dist_2d <= attack_radius + target_radius
+		
+	# 旋转target
+	var angle = attack_dir.angle_to(Vector2.RIGHT)
+	target_pos = target_pos - pos
+	target_pos = target_pos.rotated(Vector3.UP,angle)
+	
+	var dist_x = abs(target_pos.x) - attack_size.x
+	var dist_y = abs(target_pos.z) - attack_size.y
+	
+	if dist_x <= target_radius && dist_y <= target_radius:
+		if (dist_x <= 0 || dist_y <= 0):
+			return true
+		var dist_squared = pow(dist_x, 2) + pow(dist_y, 2)
+		return dist_squared <= pow(target_radius, 2)
+	return false
+
 func refresh_animation_lib():
 	var animation_library_path = "res://resource/skill_animation_library/animation_library.tres"
 	var animation_library = load(animation_library_path)

script/character/battle.gd

@@ -22,17 +22,24 @@ func attack():
 	var attack_index = status.skill_attack_index
 	if attack_index >= len(attack_list):
 		attack_index = len(attack_list) - 1
-	var attack = attack_list[attack_index]
+	var attack = attack_list[attack_index] as AttackCfg
 	var enemy_list = Global.character_mgr.get_enemy_list(character.id())
 	for enemy in enemy_list:
-		var pos_dir = enemy.pos2D()-character.pos2D()
-		var distance = pos_dir.length()
-		#test
-		if (distance < 2):
+		var pos = character.pos()
+		var target_pos = enemy.pos()
+		var target_radius = enemy.radius()
+		var target_height = enemy.height()
+		var attack_dir = status.skill_dir.normalized()
+		var attack_height = attack.height
+		var attack_size = attack.size
+		var attack_radius = attack.radius
+		var offset_xz = attack_dir * attack.offset.x 
+		pos += Vector3(offset_xz.x,attack.offset.y,offset_xz.y)
+		if Util.attack_detection(pos,target_pos,target_radius,target_height,attack_dir,attack_height,attack_size,attack_radius):
 			var hit_info = HitInfo.new()
 			hit_info.from = character.id()
 			hit_info.to = enemy.id()
-			hit_info.dir = status.skill_dir
+			hit_info.dir = attack_dir
 			hit_info.attack = attack
 			hit_info_list.append(hit_info)
 

script/character/character.gd

@@ -14,12 +14,15 @@ func init(id:int,cfg:CharacterCfg,team:Enum.ETeam):
 	status.team = team
 	status.cfg = cfg
 	var half_height = Setting.pixel_size * cfg.sprite_harf_height
+	var height = half_height * 2
 	var width = Setting.pixel_size * cfg.sprite_width
-	var body_scale = Vector3(width,half_height*2,width)
+	var body_scale = Vector3(width,height,width)
 	collision.position = Vector3(0,half_height,0)
 	collision.scale = body_scale
 	status.basic_offset = Vector3(0,half_height,0)
-	status.ui_offset = Vector3(0,half_height*2.2,0)
+	status.ui_offset = Vector3(0,height*1.1,0)
+	status.radius = width
+	status.height = height
 	view.init(cfg.sprite_frames)
 	skill.init()
 	effect.init(cfg.type,body_scale)
@@ -64,6 +67,8 @@ func cfg()->CharacterCfg:return status.cfg
 func team()->Enum.ETeam:return status.team
 func pos2D()->Vector2:return Vector2(position.x,position.z)
 func pos()->Vector3:return position
+func radius()->float:return status.radius
+func height()->float:return status.height
 func view_pos()->Vector3:return position + view.position
 func ui_pos()->Vector3:return position + status.ui_offset
 

script/character/status.gd

@@ -8,6 +8,8 @@ class_name Status
 
 @export_category("静态属性")
 @export var cfg : CharacterCfg #配置表
+@export var height : float # 受击框高度
+@export var radius : float # 受击框半径
 
 @export_category("战斗状态")
 @export var hp : float #当前血量

script/config/attack_cfg.gd

@@ -2,9 +2,6 @@ extends Resource
 
 class_name AttackCfg
 
-#命中框信息
-
-#数值信息
 @export var damage_rate : float = 1 #伤害系数
 @export var break_level : int = 1 #硬直等级
 @export var stun_attack : float = 10 #眩晕值伤害
@@ -16,4 +13,8 @@ class_name AttackCfg
 @export var is_floating : bool #是否浮空技
 @export var is_hit_down : bool #是否击落技
 @export var is_rebound : bool #是否地面反弹技能
+@export var height : float = 2 #判定框高度
+@export var radius : float #圆形判定框 半径
+@export var size : Vector2 = Vector2(2,1) #矩形判定框 大小
+@export var offset : Vector2 = Vector2(1,0) #偏移