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remove center arg from shapes2d.scad

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This commit is contained in:
Adrian Mariano
2021-11-20 23:33:04 -05:00
parent 590143ef07
commit 3e292c21cc
3 changed files with 18 additions and 23 deletions
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30
shapes2d.scad
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@@ -69,11 +69,11 @@ module square(size=1, center, anchor, spin) {
// Function&Module: rect()
// Usage: As Module
// rect(size, [center], [rounding], [chamfer], ...);
// rect(size, [rounding], [chamfer], ...);
// Usage: With Attachments
// rect(size, [center], ...) { attachables }
// rect(size, ...) { attachables }
// Usage: As Function
// path = rect(size, [center], [rounding], [chamfer], ...);
// path = rect(size, [rounding], [chamfer], ...);
// Topics: Shapes (2D), Paths (2D), Path Generators, Attachable
// See Also: square()
// Description:
@@ -83,38 +83,34 @@ module square(size=1, center, anchor, spin) {
// size = The size of the rectangle to create. If given as a scalar, both X and Y will be the same size.
// rounding = The rounding radius for the corners. If given as a list of four numbers, gives individual radii for each corner, in the order [X+Y+,X-Y+,X-Y-,X+Y-]. Default: 0 (no rounding)
// chamfer = The chamfer size for the corners. If given as a list of four numbers, gives individual chamfers for each corner, in the order [X+Y+,X-Y+,X-Y-,X+Y-]. Default: 0 (no chamfer)
// center = If given and true, overrides `anchor` to be `CENTER`. If given and false, overrides `anchor` to be `FRONT+LEFT`.
// 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`
// Example(2D):
// rect(40);
// Example(2D): Centered
// rect([40,30], center=true);
// Example(2D): Anchored
// rect([40,30], anchor=FRONT);
// Example(2D): Spun
// rect([40,30], anchor=FRONT, spin=30);
// Example(2D): Chamferred Rect
// rect([40,30], chamfer=5, center=true);
// rect([40,30], chamfer=5);
// Example(2D): Rounded Rect
// rect([40,30], rounding=5, center=true);
// rect([40,30], rounding=5);
// Example(2D): Mixed Chamferring and Rounding
// rect([40,30],center=true,rounding=[5,0,10,0],chamfer=[0,8,0,15],$fa=1,$fs=1);
// rect([40,30],rounding=[5,0,10,0],chamfer=[0,8,0,15],$fa=1,$fs=1);
// Example(2D): Called as Function
// path = rect([40,30], chamfer=5, anchor=FRONT, spin=30);
// stroke(path, closed=true);
// move_copies(path) color("blue") circle(d=2,$fn=8);
module rect(size=1, center, rounding=0, chamfer=0, anchor, spin=0) {
module rect(size=1, rounding=0, chamfer=0, anchor=CENTER, spin=0) {
size = is_num(size)? [size,size] : point2d(size);
anchor = point2d(get_anchor(anchor, center, FRONT+LEFT, CENTER));
if (rounding==0 && chamfer==0) {
attachable(anchor,spin, two_d=true, size=size) {
attachable(anchor, spin, two_d=true, size=size) {
square(size, center=true);
children();
}
} else {
pts = rect(size=size, rounding=rounding, chamfer=chamfer, center=true);
attachable(anchor,spin, two_d=true, path=pts) {
attachable(anchor, spin, two_d=true, path=pts) {
polygon(pts);
children();
}
@@ -122,13 +118,14 @@ module rect(size=1, center, rounding=0, chamfer=0, anchor, spin=0) {
}
function rect(size=1, center, rounding=0, chamfer=0, anchor, spin=0) =
function rect(size=1, rounding=0, chamfer=0, anchor=CENTER, spin=0) =
assert(is_num(size) || is_vector(size))
assert(is_num(chamfer) || len(chamfer)==4)
assert(is_num(rounding) || len(rounding)==4)
let(
anchor=point2d(anchor),
size = is_num(size)? [size,size] : point2d(size),
anchor = point2d(get_anchor(anchor, center, FRONT+LEFT, CENTER)),
complex = rounding!=0 || chamfer!=0
)
(rounding==0 && chamfer==0)? let(
@@ -138,7 +135,8 @@ function rect(size=1, center, rounding=0, chamfer=0, anchor, spin=0) =
[-size.x/2, size.y/2],
[ size.x/2, size.y/2]
]
) rot(spin, p=move(-v_mul(anchor,size/2), p=path)) :
)
rot(spin, p=move(-v_mul(anchor,size/2), p=path)) :
let(
chamfer = is_list(chamfer)? chamfer : [for (i=[0:3]) chamfer],
rounding = is_list(rounding)? rounding : [for (i=[0:3]) rounding],