feat: implemented bullet impacts

modules/wave_survival/hitscan_muzzle.h

@@ -0,0 +1,32 @@
+#ifndef HITSCAN_MUZZLE_H
+#define HITSCAN_MUZZLE_H
+
+#include "scene/3d/physics/ray_cast_3d.h"
+
+class HitscanMuzzle : public RayCast3D {
+	GDCLASS(HitscanMuzzle, RayCast3D);
+	static void _bind_methods();
+	void ready();
+
+public:
+	void _notification(int what);
+	void shoot();
+	void shoot_multiple(int count);
+
+	void set_spread(float spread);
+	float get_spread() const;
+	void set_damage(int damage);
+	int get_damage() const;
+	void set_ray_count(int amount);
+	int get_ray_count() const;
+
+private:
+	float spread{ 0.01f };
+	int damage{ 1 };
+	int ray_count{ 1 };
+
+	Transform3D home_transform{};
+	Ref<PackedScene> impact_effect{};
+};
+
+#endif // !HITSCAN_MUZZLE_H