1. 粒子球

      // 创建几何体
      const sphereGeometry = new THREE.SphereGeometry(3,20,20)
      // 设置点材质
      const pointsMaterial = new THREE.PointsMaterial();
      pointsMaterial.size = 0.2;
      pointsMaterial.color.set("#ff0000")
      pointsMaterial.sizeAttenuation = true
      // 载入纹理
      const textureLoader = new THREE.TextureLoader();
      const texture = textureLoader.load("/particles/1.png")
      // 设置点纹理
      pointsMaterial.map = texture;
      pointsMaterial.alphaMap = texture;
      pointsMaterial.transparent = true;
      // 深度检测
      pointsMaterial.depthWrite = false;
      // 混合算法
      pointsMaterial.blending = THREE.AdditiveBlending;
​
​
      const points = new THREE.Points(sphereGeometry,pointsMaterial);
      scene.add(points)