bullet: remove transparency

include/client/Bullet.h

@@ -18,9 +18,8 @@ class Bullet : public godot::Node3D {
 
   private:
 	bool m_Stuck;
-	float m_LifeTime;
 
-	void SetTransparency(godot::Node* a_Root, float a_Transparency);
+	void Destroy();
 };
 
 }  // namespace blitz

src/client/Bullet.cpp

@@ -4,6 +4,7 @@
 #include <godot_cpp/classes/geometry_instance3d.hpp>
 #include <godot_cpp/classes/physics_direct_space_state3d.hpp>
 #include <godot_cpp/classes/physics_ray_query_parameters3d.hpp>
+#include <godot_cpp/classes/timer.hpp>
 #include <godot_cpp/classes/world3d.hpp>
 #include <godot_cpp/variant/utility_functions.hpp>
 
@@ -18,7 +19,13 @@ void Bullet::_bind_methods() {}
 
 Bullet::Bullet() : m_Stuck(false) {}
 
-void Bullet::_ready() {}
+void Bullet::_ready() {
+	Timer* timer = memnew(Timer);
+	add_child(timer);
+	timer->connect("timeout", callable_mp(this, &Bullet::Destroy));
+	timer->set_wait_time(MaxAlive);
+	timer->start();
+}
 
 Bullet::~Bullet() {}
 
@@ -27,14 +34,7 @@ void Bullet::_process(float a_Delta) {
 		return;
 	}
 
-	m_LifeTime += a_Delta;
-	if (m_LifeTime > MaxAlive) {
-		queue_free();
-		return;
-	}
-
 	auto* head = get_node<Node3D>("Armature");
-	SetTransparency(head, m_LifeTime / MaxAlive);
 
 	if (m_Stuck)
 		return;
@@ -56,15 +56,8 @@ void Bullet::_process(float a_Delta) {
 	head->set_global_position(intersectPoint);
 }
 
-void Bullet::SetTransparency(Node* a_Root, float a_Transparency) {
-	for (int i = 0; i < a_Root->get_child_count(); i++) {
-		SetTransparency(a_Root->get_child(i), a_Transparency);
-	}
-
-	GeometryInstance3D* mesh = Object::cast_to<GeometryInstance3D>(a_Root);
-	if (mesh) {
-		mesh->set_transparency(a_Transparency);
-	}
+void Bullet::Destroy() {
+	queue_free();
 }
 
 }  // namespace blitz