Initial

resources/app/node_modules/@pixi/graphics/lib/utils/buildPoly.js

@@ -0,0 +1,46 @@
+"use strict";
+var core = require("@pixi/core");
+function fixOrientation(points, hole = !1) {
+  const m = points.length;
+  if (m < 6)
+    return;
+  let area = 0;
+  for (let i = 0, x1 = points[m - 2], y1 = points[m - 1]; i < m; i += 2) {
+    const x2 = points[i], y2 = points[i + 1];
+    area += (x2 - x1) * (y2 + y1), x1 = x2, y1 = y2;
+  }
+  if (!hole && area > 0 || hole && area <= 0) {
+    const n = m / 2;
+    for (let i = n + n % 2; i < m; i += 2) {
+      const i1 = m - i - 2, i2 = m - i - 1, i3 = i, i4 = i + 1;
+      [points[i1], points[i3]] = [points[i3], points[i1]], [points[i2], points[i4]] = [points[i4], points[i2]];
+    }
+  }
+}
+const buildPoly = {
+  build(graphicsData) {
+    graphicsData.points = graphicsData.shape.points.slice();
+  },
+  triangulate(graphicsData, graphicsGeometry) {
+    let points = graphicsData.points;
+    const holes = graphicsData.holes, verts = graphicsGeometry.points, indices = graphicsGeometry.indices;
+    if (points.length >= 6) {
+      fixOrientation(points, !1);
+      const holeArray = [];
+      for (let i = 0; i < holes.length; i++) {
+        const hole = holes[i];
+        fixOrientation(hole.points, !0), holeArray.push(points.length / 2), points = points.concat(hole.points);
+      }
+      const triangles = core.utils.earcut(points, holeArray, 2);
+      if (!triangles)
+        return;
+      const vertPos = verts.length / 2;
+      for (let i = 0; i < triangles.length; i += 3)
+        indices.push(triangles[i] + vertPos), indices.push(triangles[i + 1] + vertPos), indices.push(triangles[i + 2] + vertPos);
+      for (let i = 0; i < points.length; i++)
+        verts.push(points[i]);
+    }
+  }
+};
+exports.buildPoly = buildPoly;
+//# sourceMappingURL=buildPoly.js.map