Three.js：贴图模糊问题

当素材尺寸（宽和高）不是2的n次方时，贴图效果会较为模糊。
控制台会有如下警告：

THREE.WebGLRenderer: image is not power of two (1638x2166). Resized to 1024x2048

解决方案：对贴图做如下设置

texture.generateMipmaps = false;
texture.wrapS = texture.wrapT = THREE.ClampToEdgeWrapping;
texture.minFilter = THREE.LinearFilter