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More readable code in rounded_polygon.

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This commit is contained in:
Chris Palmer
2021-06-01 09:53:46 +01:00
parent 7a566cc856
commit 5c898df217
1 changed files with 8 additions and 8 deletions
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16
utils/rounded_polygon.scad
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@@ -75,28 +75,28 @@ function rounded_polygon_length(points, tangents) = //! Calculate the length giv
module rounded_polygon(points, _tangents = undef) { //! Draw the rounded polygon from the point list, can pass the tangent list to save it being calculated module rounded_polygon(points, _tangents = undef) { //! Draw the rounded polygon from the point list, can pass the tangent list to save it being calculated
len = len(points); len = len(points);
indices = [0 : len - 1]; indices = [0 : len - 1];
tangents = [ for (t = _tangents ? _tangents : rounded_polygon_tangents(points)) each [t.x, t.y] ]; tangents = _tangents ? _tangents : rounded_polygon_tangents(points);
difference() { difference() {
union() { union() {
for(i = indices) for(i = indices, last = (i - 1 + len) % len)
if(points[i][2] > 0) if(points[i][2] > 0)
hull() { hull() {
translate([points[i].x, points[i].y]) translate(vec2(points[i]))
circle(points[i][2]); circle(points[i][2]);
polygon([tangents[(2 * i - 1 + 2 * len) % (2 * len)], tangents[2 * i], [points[i].x, points[i].y]]); polygon([vec2(tangents[last][1]), vec2(tangents[i][0]), vec2(points[i])]);
} }
polygon(tangents, convexity = points); polygon([for(t = tangents) each(vec2(t))], convexity = points);
} }
for(i = indices) for(i = indices, last = (i - 1 + len) % len)
if(points[i][2] < 0) if(points[i][2] < 0)
hull() { hull() {
translate([points[i].x, points[i].y]) translate(vec2(points[i]))
circle(-points[i][2]); circle(-points[i][2]);
polygon([tangents[(2 * i - 1 + 2 * len) % (2 * len)], tangents[2 * i], [points[i].x, points[i].y]]); polygon([vec2(tangents[last][1]), vec2(tangents[i][0]), vec2(points[i])]);
} }
} }
} }