feat: 添加激光子弹功能，更新相关资源和着色器

scripts/Contents/Characters/Chick.gd

@@ -3,8 +3,6 @@ class_name Chick
 
 @onready var firepot = $"%firepot"
 
-var angle = 0
-
 func _ready():
 	fields[FieldStore.Entity.MAX_HEALTH] = 1000
 	fields[FieldStore.Entity.MOVEMENT_SPEED] = 0.1
@@ -15,15 +13,20 @@ func ai():
 	if currentFocusedBoss.position.distance_to(position) < 300:
 		tryAttack(1)
 	else:
-		if tryAttack(0):
-			angle += 20
+		tryAttack(0)
 func attack(type):
 	if type == 0:
 		var weaponPos = findWeaponAnchor("normal")
-		BulletBase.generate(preload("res://components/Bullets/Diamond.tscn"), self, weaponPos, deg_to_rad(angle))
+		BulletBase.generate(preload("res://components/Bullets/Diamond.tscn"), self, weaponPos, rotation + deg_to_rad(MathTool.randc_from([-90, 90])))
 	elif type == 1:
 		var weaponPos = findWeaponAnchor("normal")
 		var target = weaponPos.angle_to_point(currentFocusedBoss.position)
 		firepot.global_rotation = target
 		firepot.shot()
 		BulletBase.generate(preload("res://components/Bullets/FireScan.tscn"), self, weaponPos, target)
+	# elif type == 2:
+	# 	var weaponPos = findWeaponAnchor("normal")
+	# 	var target = weaponPos.angle_to_point(currentFocusedBoss.position)
+	# 	firepot.global_rotation = target
+	# 	firepot.shot()
+		BulletBase.generate(preload("res://components/Bullets/Laser.tscn"), self, weaponPos, target)