feat: 添加炸弹效果和着色器，创建新的Bomb效果和相关资源

scripts/Contents/Bullets/Diamond.gd

@@ -2,7 +2,7 @@ extends BulletBase
 class_name Diamond
 
 func ai():
-	var tracing = Time.get_ticks_msec() - spawnInWhen < 1000
+	var tracing = timeLived() < 1000
 	if tracing:
 		rotation = lerp_angle(rotation, position.angle_to_point(launcher.currentFocusedBoss.position), 0.1)
 	canDamageSelf = !tracing

scripts/Contents/Bullets/Pencil.gd

@@ -1 +1,7 @@
 extends BulletBase
+
+func spawn():
+	await TickTool.millseconds(1000)
+	hitbox.disabled = false
+func ai():
+	texture.global_rotation = 0