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天文台pc/tianwentai-ui/node_modules/d3-ease/src/exp.js 233 Bytes
bc518174   王天杨   提交两个项目文件
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  import {tpmt} from "./math.js";
  
  export function expIn(t) {
    return tpmt(1 - +t);
  }
  
  export function expOut(t) {
    return 1 - tpmt(t);
  }
  
  export function expInOut(t) {
    return ((t *= 2) <= 1 ? tpmt(1 - t) : 2 - tpmt(t - 1)) / 2;
  }