Add metaball scene

src/scenes/tunnel-scene.ts

@@ -72,7 +72,7 @@ export class TunnelScene implements Scene {
       },
       {
         ...CircleLight.descriptor,
-        shaderCombinationSteps: [1, 2, 3, 4, 5, 6, 7],
+        shaderCombinationSteps: [0, 1, 2, 3, 4, 5, 6, 7],
       },
     ]);
 
@@ -81,7 +81,6 @@ export class TunnelScene implements Scene {
       ambientLight: rgb(0.35, 0.1, 0.45),
       backgroundColor: rgba(1, 1, 1, 1),
       colorPalette: [rgb(0.4, 0.5, 0.6), rgb(0, 0, 0), rgb(0, 0, 0), rgb(0, 0, 0)],
-      enableHighDpiRendering: false,
     });
 
     for (let i = 0; i < 200; i++) {