getCellSize: () => {let w = thisComp.width / thisProperty.propertyGroup(4).numProperties;let h = thisComp.height / thisProperty.propertyGroup(6).numProperties;return [Math.ceil(w), Math.ceil(h)]},

 // 获取列的位置函数getCellPosition: () => {// 指定当前的位置，就是第几列let current = thisProperty.propertyGroup(2);// 统计出一共有多少列let cells = current.propertyGroup(1).numProperties;// 求出列宽，注意这里的列宽是没有进行上舍的// 因此也不能引用矩形路径大小，不然就不能填补缝隙了let w = thisComp.width / cells;// 按照位置索引进行偏移计算// 每一个偏移的倍数都比自身的索引少 1 倍列宽let x = w * (current.propertyIndex - 1)// 整体向左偏移// 也可以写成下面的等效公式// x -= h * (cells - 1) * .5;x -= (thisComp.width - w) * .5;return [x, 0]},

    // 获取行的位置getRowPosition: () => {let current = thisProperty.propertyGroup(2);let rows = current.propertyGroup(1).numProperties;let h = thisComp.height / rows;let y = h * (current.propertyIndex - 1);y -= (thisComp.height - h) * .5;return [0, y]},

 // 获取列的位置函数getCellPosition: () => {let x = myClass.getOffset(thisComp.width)return [x, 0]},// 获取行的位置getRowPosition: () => {let y = myClass.getOffset(thisComp.height)return [0, y]},// 计算偏移getOffset: (total) => {let current = thisProperty.propertyGroup(2);let quantity = current.propertyGroup(1).numProperties;let ave = total / quantity;offset = ave * (current.propertyIndex - 1);offset -= (total - ave) * .5;return offset},

    // 随机时间的不透明度渐变getRndOpacity: (start, end, range, smooth = true) => {seedRandom(index, smooth);value = ease(time, start - random(0, range), start + random(0, range), 0, value);value = ease(time, end - random(0, range), end + random(0, range), value, 0);return value},

eval(footage("myClass.jsx").sourceText)
myClass.getRndOpacity(thisComp.marker.key(1).time-framesToTime(effect("时间随机程度")(1)),
thisComp.marker.key(1).time+framesToTime(effect("时间随机程度")(1)),
framesToTime(effect("时间随机程度")(1)),
effect("平滑过渡")(1))

myClass = {// 获取单元格尺寸getCellSize: () => {let w = thisComp.width / thisProperty.propertyGroup(4).numProperties;let h = thisComp.height / thisProperty.propertyGroup(6).numProperties;return [Math.ceil(w), Math.ceil(h)]},// 获取列的位置函数getCellPosition: () => {let x = myClass.getOffset(thisComp.width)return [x, 0]},// 获取行的位置getRowPosition: () => {let y = myClass.getOffset(thisComp.height)return [0, y]},// 计算偏移getOffset: (total) => {let current = thisProperty.propertyGroup(2);let quantity = current.propertyGroup(1).numProperties;let ave = total / quantity;offset = ave * (current.propertyIndex - 1);offset -= (total - ave) * .5;return offset},// 随机时间的不透明度渐变getRndOpacity: (start, end, range, smooth = true) => {seedRandom(index, smooth);value = ease(time, start - random(0, range), start + random(0, range), 0, value);value = ease(time, end - random(0, range), end + random(0, range), value, 0);return value},// 生成随机颜色getRndColor: () => {seedRandom(index, true);return random([0, 0, 0, 1], [1, 1, 1, 1]);}
}