@trololo_005/vue-fortune-wheel-2/dist/vue-fortune-wheel.js

Component "Wheel of Fortune" for Vue

import { ref as U, computed as O, onMounted as At, watch as St, defineComponent as Ct, openBlock as N, createElementBlock as B, createElementVNode as pe, normalizeStyle as $e, unref as b, renderSlot as be, toDisplayString as Ot } from "vue";
function It(e, t) {
  const r = [];
  for (; e !== ""; ) {
    let a = e.substr(0, t);
    if (e.charAt(t) !== "" && e.charAt(t) !== " ") {
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      i !== -1 && (a = a.substr(0, i));
    }
    e = e.replace(a, "").trim(), r.push(a);
  }
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}
const Pt = {
  radius: 250,
  // 圆的半径
  textRadius: 190,
  // 奖品位置距离圆心的距离
  textLength: 6,
  // 奖品文本 1 行几个字符, 最多 2 行
  textDirection: "horizontal",
  // 奖品文本方向
  lineHeight: 20,
  // 文本行高
  borderWidth: 0,
  // 圆的外边框
  borderColor: "transparent",
  // 外边框的颜色
  btnText: "GO",
  // 开始按钮的文本
  btnWidth: 140,
  // 按钮的宽
  fontSize: 34
  // 奖品字号
};
function wt(e) {
  const t = U(), r = O(() => Object.assign(Pt, e.canvas));
  function a() {
    const n = t.value;
    if (n.getContext) {
      const { radius: s, textRadius: f, borderWidth: c, borderColor: u, fontSize: _ } = r.value, l = Math.PI / (e.prizes.length / 2), o = n.getContext("2d");
      o.clearRect(0, 0, s * 2, s * 2), o.strokeStyle = u, o.lineWidth = c * 2, o.font = `${_}px Arial`, e.prizes.forEach((v, d) => {
        const h = d * l - Math.PI / 2;
        o.fillStyle = v.bgColor, o.beginPath(), o.arc(s, s, s - c, h, h + l, !1), o.stroke(), o.arc(s, s, 0, h + l, h, !0), o.fill(), o.save(), o.fillStyle = v.color, o.translate(s + Math.cos(h + l / 2) * f, s + Math.sin(h + l / 2) * f), i(o, h, l, v.name), o.restore();
      });
    }
  }
  function i(n, s, f, c) {
    const { lineHeight: u, textLength: _, textDirection: l } = r.value, o = It(c, _);
    o !== null && (l === "vertical" ? n.rotate(s + f / 2 + Math.PI) : n.rotate(s + f / 2 + Math.PI / 2), o.forEach((v, d) => {
      let h = -n.measureText(v).width / 2, m = (d + 1) * u;
      l === "vertical" && (h = 0, m = (d + 1) * u - o.length * u / 2), n.fillText(v, h, m);
    }));
  }
  return At(() => {
    e.type === "canvas" && a();
  }), {
    wheelEl: t,
    canvasConfig: r,
    drawCanvas: a
  };
}
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