假设我有两个值:600 和 470
我想做的是指定一组时间,比方说 0 和 100(如果 25fps,则为 4 秒),然后获取每个“帧”的“补间”值。
var base = 600;
var target = 470;
var start = 0;
var end = 100;
var values = [];
for (var i = start; i < end; i++) {
// not sure where to begin with the math here
// so i'll just asssign it to i, but obviously it's wrong
var value = i;
values.push(value);
}
// Once complete, id expect:
// values[0] === 600;
// values[99] === 470;
我怎样才能实现这个目标?
最佳答案
计算增量(数组中每个项目之间的增量),然后您可以通过将每个 i
映射到 base +increment * i
来一次性创建数组:
const base = 600;
const target = 470;
const start = 0;
const end = 100;
const increment = (target - base) / (end - start - 1);
const values = Array.from(
{ length: end - start },
(_, i) => base + increment * i
);
console.log(values[0]);
console.log(values[99]);
console.log(values);
关于javascript - 查找特定时间内两个值之间的值,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/51034322/