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Merge branch 'rounded_cubes' of https://github.com/martinbudden/NopSCADlib into martinbudden-rounded_cubes

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Chris Palmer 2021-02-07 22:17:22 +00:00
commit 1915dae034
2 changed files with 21 additions and 11 deletions
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7
tests/rounded_rectangle.scad
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@ -27,10 +27,13 @@ module rounded_rectangles() {
rounded_rectangle([30, 20, 10], 3); rounded_rectangle([30, 20, 10], 3);
translate([80, 0]) translate([80, 0])
rounded_rectangle_xz([30, 20, 10], 3); rounded_cube_xy([30, 20, 10], 3);
translate([120, 0]) translate([120, 0])
rounded_rectangle_yz([30, 20, 10], 3); rounded_cube_xz([30, 20, 10], 3);
translate([160, 0])
rounded_cube_yz([30, 20, 10], 3);
} }
rounded_rectangles(); rounded_rectangles();

25
utils/core/rounded_rectangle.scad
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@ -22,26 +22,33 @@
// //
module rounded_square(size, r, center = true) //! Like `square()` but with with rounded corners module rounded_square(size, r, center = true) //! Like `square()` but with with rounded corners
{ {
assert(r < min(size.x, size.y) / 2);
$fn = r2sides4n(r); $fn = r2sides4n(r);
offset(r) offset(-r) square(size, center = center); offset(r) offset(-r) square(size, center = center);
} }
module rounded_rectangle(size, r, center = true, xy_center = true) //! Like `cube()` but corners rounded in XY plane and separate centre options for xy and z. module rounded_rectangle(size, r, center = true, xy_center = true) //! Like `cube()` but corners rounded in XY plane and separate centre options for xy and z.
{ {
linear_extrude(size.z, center = center) extrude_if(size.z, center = center)
rounded_square([size.x, size.y], r, xy_center); rounded_square([size.x, size.y], r, xy_center);
} }
module rounded_rectangle_xz(size, r, center = true, xy_center = true) //! Like `cube()` but corners rounded in XZ plane and separate centre options for xy and z. module rounded_cube_xy(size, r = 0, xy_center = false, z_center = false) //! Like `cube()` but corners rounded in XY plane and separate centre options for xy and z.
{ {
translate([xy_center ? 0 : size.x / 2, xy_center ? 0 : size.y / 2, center ? 0 : size.z / 2]) extrude_if(size.z, center = z_center)
rotate([90, 0, 0]) rounded_square([size.x, size.y], r, xy_center);
rounded_rectangle([size.x, size.z, size.y], r, center = true, xy_center = true);
} }
module rounded_rectangle_yz(size, r, center = true, xy_center = true) //! Like `cube()` but corners rounded in YX plane and separate centre options for xy and z. module rounded_cube_xz(size, r = 0, xy_center = false, z_center = false) //! Like `cube()` but corners rounded in XZ plane and separate centre options for xy and z.
{ {
translate([xy_center ? 0 : size.x / 2, xy_center ? 0 : size.y / 2, center ? 0 : size.z / 2]) translate([xy_center ? 0 : size.x / 2, xy_center ? 0 : size.y / 2, z_center ? 0 : size.z / 2])
rotate([90, 0, 90]) rotate([90, 0, 0])
rounded_rectangle([size.y, size.z, size.x], r, center = true, xy_center = true); rounded_cube_xy([size.x, size.z, size.y], r, xy_center = true, z_center = true);
}
module rounded_cube_yz(size, r = 0, xy_center = false, z_center = false) //! Like `cube()` but corners rounded in YX plane and separate centre options for xy and z.
{
translate([xy_center ? 0 : size.x / 2, xy_center ? 0 : size.y / 2, z_center ? 0 : size.z / 2])
rotate([90, 0, 90])
rounded_cube_xy([size.y, size.z, size.x], r, xy_center = true, z_center = true);
} }