代码片段: uniforms: {     uResolution: function uResolution(_ref2) {       var viewportWidth = _ref2.viewportWidth;       var viewportHeight = _ref2.viewportHeight;       return [viewportWidth, viewportHeight];     },     uTime: function uTime(_ref3) {       var tick = _ref3.tick;       return 0.01 * tick;     },     uMouse: function uMouse() {       return [pointer.position.x, pointer.position.y];     },     uMorph: function uMorph() {       return morphAmount;     },     uRandomSeed: DEV ? 138975.579831 : new Date().getTime() % 1000000, //     uGrid: function uGrid(_ref4) {       var viewportWidth = _ref4.viewportWidth;       var viewportHeight = _ref4.viewportHeight;       var ratio = 0.32;       return viewportHeight >= viewportWidth ? [1, viewportHeight / viewportWidth * ratio] : [viewportWidth / viewportHeight * ratio, 1];     }   },
2021-12-24 16:28:37 31KB js特效-H5 Canvas渐变背景效果
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