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Fixed wedge/triangle shapes anchoring issues.

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Revar Desmera
2023-03-28 20:39:37 -07:00
parent 9b150c9728
commit cc14ca2872
2 changed files with 48 additions and 14 deletions
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29
shapes2d.scad
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@@ -839,13 +839,20 @@ module octagon(r, d, or, od, ir, id, side, rounding=0, realign=false, align_tip,
// ---
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
// Extra Anchors:
// hypot = Center of angled side, perpendicular to that side.
// Example(2D):
// right_triangle([40,30]);
// Example(2D): With `center=true`
// right_triangle([40,30], center=true);
// Example(2D): Anchors
// right_triangle([40,30])
// show_anchors();
// Example(2D): Standard Anchors
// right_triangle([80,30], center=true)
// show_anchors(custom=false);
// color([0.5,0.5,0.5,0.1])
// square([80,30], center=true);
// Example(2D): Named Anchors
// right_triangle([80,30], center=true)
// show_anchors(std=false);
function right_triangle(size=[1,1], center, anchor, spin=0) =
let(
size = is_num(size)? [size,size] : size,
@@ -854,15 +861,21 @@ function right_triangle(size=[1,1], center, anchor, spin=0) =
assert(is_vector(size,2))
assert(min(size)>0, "Must give positive size")
let(
path = [ [size.x/2,-size.y/2], [-size.x/2,-size.y/2], [-size.x/2,size.y/2] ]
) reorient(anchor,spin, two_d=true, size=[size.x,size.y], size2=0, shift=-size.x/2, p=path);
path = [ [size.x/2,-size.y/2], [-size.x/2,-size.y/2], [-size.x/2,size.y/2] ],
anchors = [
named_anchor("hypot", CTR, unit([size.y,size.x])),
]
) reorient(anchor,spin, two_d=true, size=[size.x,size.y], anchors=anchors, p=path);
module right_triangle(size=[1,1], center, anchor, spin=0) {
size = is_num(size)? [size,size] : size;
anchor = get_anchor(anchor, center, [-1,-1], [-1,-1]);
check = assert(is_vector(size,2));
path = right_triangle(size, center=true);
attachable(anchor,spin, two_d=true, size=[size.x,size.y], size2=0, shift=-size.x/2) {
path = right_triangle(size, anchor="origin");
anchors = [
named_anchor("hypot", CTR, unit([size.y,size.x])),
];
attachable(anchor,spin, two_d=true, size=[size.x,size.y], anchors=anchors) {
polygon(path);
children();
}
@@ -1062,7 +1075,7 @@ function trapezoid(h, w1, w2, ang, shift, chamfer=0, rounding=0, flip=false, anc
module trapezoid(h, w1, w2, ang, shift, chamfer=0, rounding=0, flip=false, anchor=CENTER, spin=0, atype="box", angle) {
path_over = trapezoid(h=h, w1=w1, w2=w2, ang=ang, shift=shift, chamfer=chamfer, rounding=rounding,
flip=flip, angle=angle,atype=atype,_return_override=true);
flip=flip, angle=angle,atype=atype,anchor="origin",_return_override=true);
path=path_over[0];
override = path_over[1];
ang = force_list(ang,2);