refactor: 替换PresetAIs为PresetBulletAI，优化子弹AI逻辑

scripts/Contents/AIPresets/Bullet.gd

@@ -1,4 +1,4 @@
-class_name PresetAIs
+class_name PresetBulletAI
 
 static func lockLauncher(bullet: BulletBase, launcher: EntityBase, onTexture: bool = false):
 	bullet.position = launcher.texture.global_position if onTexture else launcher.position

scripts/Contents/AIPresets/Entity.gd

@@ -0,0 +1,10 @@
+class_name PresetEntityAI
+
+static func follow(entity: EntityBase, target: EntityBase, minDistance: float = 100):
+	var delta = target.position - entity.position
+	var distanceOffset = abs(delta.length() - minDistance)
+	if distanceOffset > entity.fields[FieldStore.Entity.MOVEMENT_SPEED] * 10:
+		if delta.length() < minDistance:
+			entity.move(-delta)
+		else:
+			entity.move(delta)

scripts/Contents/Bullets/ChickLaser.gd

@@ -5,4 +5,4 @@ func register():
 	penerate = 1
 func ai():
 	rotation_degrees += 1
-	PresetAIs.lockLauncher(self, launcher, true)
+	PresetBulletAI.lockLauncher(self, launcher, true)

scripts/Contents/Bullets/ChickSprint.gd

@@ -6,7 +6,7 @@ func register():
 	damage = 20
 	penerate = 1
 func ai():
-	PresetAIs.lockLauncher(self, launcher, true)
+	PresetBulletAI.lockLauncher(self, launcher, true)
 	if !launcher.sprinting:
 		tryDestroy()
 func destroy(beacuseMap: bool):

scripts/Contents/Bullets/Diamond.gd

@@ -7,6 +7,6 @@ func register():
 	damage = 2
 func ai():
 	canDamageSelf = !(timeLived() >= traceTime)
-	PresetAIs.forward(self, rotation)
+	PresetBulletAI.forward(self, rotation)
 	if timeLived() < traceTime:
-		PresetAIs.trace(self, launcher.currentFocusedBoss.getTrackingAnchor(), 0.05)
+		PresetBulletAI.trace(self, launcher.currentFocusedBoss.getTrackingAnchor(), 0.05)

scripts/Contents/Bullets/FireScan.gd

@@ -6,4 +6,4 @@ func register():
 	damage = 5
 
 func ai():
-	PresetAIs.forward(self, rotation)
+	PresetBulletAI.forward(self, rotation)

scripts/Contents/Bullets/LGBTBullet.gd

@@ -11,7 +11,7 @@ func ai():
 	speed *= 1.05
 	speed = clamp(speed, 0, 20)
 	if is_instance_valid(tracer) and timeLived() < maxTraceTime:
-		PresetAIs.trace(self, tracer.getTrackingAnchor(), clamp(speed / 50 * tracePower, 0, 1))
-	PresetAIs.forward(self, rotation)
+		PresetBulletAI.trace(self, tracer.getTrackingAnchor(), clamp(speed / 50 * tracePower, 0, 1))
+	PresetBulletAI.forward(self, rotation)
 func destroy(_b):
 	EffectController.create(preload("res://components/Effects/LGBTBoom.tscn"), position).shot()

scripts/Contents/Bullets/PurpleCrystal.gd

@@ -2,7 +2,7 @@ extends BulletBase
 class_name PurpleCrystal
 
 func ai():
-	PresetAIs.forward(self, rotation)
+	PresetBulletAI.forward(self, rotation)
 func destroy(_beacuseMap: bool):
 	var eff = EffectController.create(preload("res://components/Effects/PurpleCrystalExplosion.tscn"), global_position)
 	eff.rotation = rotation

scripts/Contents/Bullets/Star.gd

@@ -4,4 +4,4 @@ class_name Star
 func register():
 	damage = 5
 func ai():
-	PresetAIs.forward(self, rotation)
+	PresetBulletAI.forward(self, rotation)

scripts/Contents/Bullets/VectorStar.gd

@@ -9,7 +9,7 @@ var rotateSpeed: float = 1
 func ai():
 	texture.rotation_degrees += rotateSpeed
 	rotateSpeed += 0.25
-	PresetAIs.forward(self, rotation)
+	PresetBulletAI.forward(self, rotation)
 	if timeLived() <= forwardTime:
 		speed = 10 * ((forwardTime - timeLived()) / forwardTime)
 	elif forwarded:

scripts/Contents/Characters/Chick.gd

@@ -17,7 +17,7 @@ func spawn():
 	texture.play("walk")
 
 func ai():
-	move(currentFocusedBoss.position - position)
+	PresetEntityAI.follow(self, currentFocusedBoss, 0)
 	if currentFocusedBoss.position.distance_to(position) < 200:
 		tryAttack(2)
 	elif currentFocusedBoss.position.distance_to(position) < 700:

scripts/Contents/Characters/Hen.gd

@@ -8,7 +8,7 @@ func register():
 
 func ai():
 	attackCooldownMap[0] = randi_range(1500, 4000)
-	move(currentFocusedBoss.position - position)
+	PresetEntityAI.follow(self, currentFocusedBoss, 300)
 	tryAttack(0)
 func attack(type):
 	if type == 0:

scripts/Statemachine/BulletBase.gd

@@ -62,9 +62,9 @@ func _physics_process(_delta: float) -> void:
 		var targetEntity = EntityTool.findClosetEntity(position, get_tree(),
 		!launcher.isPlayer(),
 		launcher.isPlayer(),
-		[launcher]		)
+		[launcher])
 		if is_instance_valid(targetEntity):
-			PresetAIs.trace(
+			PresetBulletAI.trace(
 				self,
 				targetEntity.getTrackingAnchor(),
 				launcher.fields.get(FieldStore.Entity.BULLET_TRACE) / 10

scripts/Tools/MathTool.gd

@@ -15,3 +15,14 @@ static func percent(value: float):
 	return value / 100
 static func shrimpRate(value: float):
 	return floor(value) + int(rate(value - floor(value)))
+static func getClosestIntersection(a: Vector2, b: Vector2, r: float) -> Vector2:
+	var ab = b - a
+	var distance = ab.length()
+	if distance < 0.00001:
+		return a + Vector2.RIGHT * r
+	var abNormalized = ab / distance
+	var distanceB = distance
+	if distanceB <= r:
+		return b
+	var intersection = a + abNormalized * r
+	return intersection