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support JOIN_MITER

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Justin Lin
2020-05-21 13:52:49 +08:00
parent 14acb3359c
commit 1fc3cd6c7e
1 changed files with 10 additions and 6 deletions
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16
src/polyline2d.scad
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@@ -65,15 +65,19 @@ module polyline2d(points, width, startingStyle = "CAP_SQUARE", endingStyle = "CA
if(joinStyle == "JOIN_ROUND") { if(joinStyle == "JOIN_ROUND") {
translate(p2) translate(p2)
rotate(ra) rotate(ra)
pie( pie(
radius = radius, radius = radius,
angle = [0, a], angle = [0, a],
$fn = $fn * 360 / a $fn = $fn * 360 / a
); );
} else if(joinStyle == "JOIN_MITER") {
translate(p2)
rotate(ra)
polygon([[0, 0], [radius, 0], [radius, radius * tan(a / 2)], [radius * cos(a), radius * sin(a)]]);
} else { // "JOIN_BEVEL" } else { // "JOIN_BEVEL"
translate(p2) translate(p2)
rotate(ra) rotate(ra)
polygon([[0, 0], [radius, 0], [radius * cos(a), radius * sin(a)]]); polygon([[0, 0], [radius, 0], [radius * cos(a), radius * sin(a)]]);
} }
joins(line, radius, i_end, i + 1); joins(line, radius, i_end, i + 1);