er,
          });

          const particle = generateConfig("FloatParticle", {
            amount: 1000,
            alphaMap: toSymbol(texture2),
            size: 10,
            flicker: true,
          });

          window.engine = engine;

          const gui = new GUI();

          gui.add(particle, "flicker");
          gui.add(particle.range, "top", -500, 500, 10);
          gui.add(particle.range, "bottom", -500, 500, 10);
          gui.add(particle.range, "right", -500, 500, 10);
          gui.a