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Code Issues Releases Wiki Activity

removed triangle indexes

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This commit is contained in:
Justin Lin 2017-05-10 16:54:20 +08:00
parent 02e5de5a08
commit 6f092f4dee
2 changed files with 7 additions and 14 deletions
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11
docs/lib-shape_square.md
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@ -1,6 +1,6 @@
# shape_square
Returns shape points and triangle indexes of a rounded square or rectangle. They can be used with xxx_extrude modules of dotSCAD. The shape points can be also used with the built-in polygon module.
Returns shape points of a rounded square or rectangle. They can be used with xxx_extrude modules of dotSCAD. The shape points can be also used with the built-in polygon module.
## Parameters
@ -13,7 +13,7 @@ Returns shape points and triangle indexes of a rounded square or rectangle. They
include <shape_square.scad>;
polygon(
shape_square(size = 50, corner_r = 5)[0]
shape_square(size = 50, corner_r = 5)
);
![shape_square](images/lib-shape_square-1.JPG)
@ -26,15 +26,14 @@ Returns shape points and triangle indexes of a rounded square or rectangle. They
$fn = 36;
shape_pts_angles = shape_square(
shape_pts = shape_square(
size = [20, 10],
corner_r = 2
);
ring_extrude(
shape_pts_angles[0],
radius = 50, angle = 180, twist = 180, scale = 2,
triangles = shape_pts_angles[1]
shape_pts,
radius = 50, angle = 180, twist = 180, scale = 2
);
![shape_square](images/lib-shape_square-2.JPG)

10
src/shape_square.scad
View File

@ -14,7 +14,6 @@
include <__private__/__is_vector.scad>;
include <__private__/__frags.scad>;
include <__private__/__triangles_radial.scad>;
function shape_square(size, corner_r = 0) =
let(
@ -37,10 +36,5 @@ function shape_square(size, corner_r = 0) =
[for(a = [180 + step_a:step_a:270 - step_a]) [corner_r * cos(a) - half_w, corner_r * sin(a) - half_h]],
[[-half_w, -half_y], [half_w, -half_y]],
[for(a = [270 + step_a:step_a:360 - step_a]) [corner_r * cos(a) + half_w, corner_r * sin(a) - half_h]]
),
triangles = __triangles_radial(shape_pts)
)
[
shape_pts,
triangles
];
)
) shape_pts;