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used built-in modules

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Justin Lin
2017-05-09 09:33:10 +08:00
parent eab5e0c188
commit 530ab4bc56
1 changed files with 6 additions and 12 deletions
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18
src/line2d.scad
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@@ -16,19 +16,13 @@ module line2d(p1, p2, width, p1Style = "CAP_SQUARE", p2Style = "CAP_SQUARE") {
half_width = 0.5 * width; half_width = 0.5 * width;
atan_angle = atan2(p2[1] - p1[1], p2[0] - p1[0]); atan_angle = atan2(p2[1] - p1[1], p2[0] - p1[0]);
angle = 90 - atan_angle; leng = sqrt(pow(p2[0] - p1[0], 2) + pow(p2[1] - p1[1], 2));
offset_x = half_width * cos(angle); translate(p1)
offset_y = half_width * sin(angle); rotate(atan_angle)
translate([0, -width / 2])
offset1 = [-offset_x, offset_y]; square([leng, width]);
offset2 = [offset_x, -offset_y];
polygon(points=[
p1 + offset1, p2 + offset1,
p2 + offset2, p1 + offset2
]);
frags = __frags(half_width); frags = __frags(half_width);
remain = frags % 4; remain = frags % 4;