Built to Scale (DS) asset setup

Assets/Scripts/Games/BuiltToScaleDS/BuiltToScaleDS.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using NaughtyBezierCurves;
+using DG.Tweening;
+
+using RhythmHeavenMania.Util;
+namespace RhythmHeavenMania.Games.BuiltToScaleDS
+{
+    public class BuiltToScaleDS : Minigame
+    {
+        [Header("Camera")]
+        public Transform renderQuadTrans;
+        public Transform cameraPos;
+
+        [Header("References")]
+        public SkinnedMeshRenderer environmentRenderer;
+
+        [Header("Properties")]
+        public float beltSpeed = 1f;
+
+        private Material beltMaterial;
+        private Material[] environmentMaterials;
+        private float currentBeltOffset;
+        
+        public static BuiltToScaleDS instance;
+
+        private void Awake()
+        {
+            instance = this;
+
+            environmentMaterials = environmentRenderer.materials;
+            beltMaterial = Instantiate(environmentMaterials[8]);
+            environmentMaterials[8] = beltMaterial;
+        }
+
+        
+        void Start()
+        {
+            renderQuadTrans.gameObject.SetActive(true);
+            
+            var cam = GameCamera.instance.camera;
+            var camHeight = 2f * cam.orthographicSize;
+            var camWidth = camHeight * cam.aspect;
+            renderQuadTrans.localScale = new Vector3(camWidth, camHeight, 1f);
+        }
+
+        void Update()
+        {
+            currentBeltOffset = (currentBeltOffset + Time.deltaTime * -beltSpeed) % 1f;
+            beltMaterial.mainTextureOffset = new Vector2(0f, currentBeltOffset);
+            environmentRenderer.materials = environmentMaterials;
+        }
+    }
+}