逐步完成前后端服务器

This commit is contained in:
2025-09-09 15:00:30 +08:00
parent fcb09432e9
commit c7dfa1e9fc
2937 changed files with 1477567 additions and 0 deletions

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export default function windingLine(x0, y0, x1, y1, x, y) {
if ((y > y0 && y > y1) || (y < y0 && y < y1)) {
return 0;
}
if (y1 === y0) {
return 0;
}
var t = (y - y0) / (y1 - y0);
var dir = y1 < y0 ? 1 : -1;
if (t === 1 || t === 0) {
dir = y1 < y0 ? 0.5 : -0.5;
}
var x_ = t * (x1 - x0) + x0;
return x_ === x ? Infinity : x_ > x ? dir : 0;
}