The avatar for @redblobgames
Amit Patel
I work on explorable explanations, gamedev tutorials, and gamedev tools.
Published
Edited
Jan 31, 2021
15 stars
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function next_halfedge(e) { return (e % 3 == 2) ? e-2 : e+1; }
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function prev_halfedge(e) { return (e % 3 == 0) ? e+2 : e-1; }
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function starts(delaunator) {
let index = []; // point id to half-edge id
for (let e = 0; e < delaunator.triangles.length; e++) {
index[delaunator.triangles[e]] = e;
}
return index;
}
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function t_vertex(points, delaunator, t) {
let a = points[delaunator.triangles[3*t]],
b = points[delaunator.triangles[3*t + 1]],
c = points[delaunator.triangles[3*t + 2]];
return circumcenter(a, b, c);
}
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