koishi-plugin-yunzai
Version:
a yunzai adapter for koishi
30 lines (29 loc) • 780 B
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.gachaSelect = void 0;
const probability = {
activity: [151, 1282, 8567],
weapon: [156, 1498, 8346],
permanent: [213, 1387, 8400]
};
function gachaSelect(pool) {
const hit = Math.ceil(Math.random() * 10000 + 1);
const _p = probability[pool];
const _c = ['S', 'R', 'N'];
let start = 0;
let end = _p.length - 1;
while (start < end) {
let mid = Math.floor((start + end) / 2);
if (hit > _p[mid] && hit <= _p[mid + 1]) {
return _c[mid + 1];
}
else if (hit > _p[mid + 1]) {
start = mid;
}
else {
end = mid;
}
return _c[0];
}
}
exports.gachaSelect = gachaSelect;