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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 16:52:47 +08:00
parent f323f354d8
commit 02e5de5a08
2 changed files with 7 additions and 14 deletions
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11
docs/lib-shape_ellipse.md
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@ -1,6 +1,6 @@
# shape_ellipse
Returns shape points and triangle indexes of an ellipse. 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 an ellipse. They can be used with xxx_extrude modules of dotSCAD. The shape points can be also used with the built-in polygon module.
## Parameters
@ -12,7 +12,7 @@ Returns shape points and triangle indexes of an ellipse. They can be used with x
include <shape_ellipse.scad>;
polygon(
shape_ellipse([40, 20])[0]
shape_ellipse([40, 20])
);
![shape_ellipse](images/lib-shape_ellipse-1.JPG)
@ -27,13 +27,12 @@ Returns shape points and triangle indexes of an ellipse. They can be used with x
$fn = 8;
shape_pts_tris = shape_ellipse([20, 10]);
shape_pts = shape_ellipse([20, 10]);
helix_extrude(shape_pts_tris[0],
helix_extrude(shape_pts,
radius = 40,
levels = 5,
level_dist = 20,
triangles = shape_pts_tris[1]
level_dist = 20
);
![shape_ellipse](images/lib-shape_ellipse-2.JPG)

10
src/shape_ellipse.scad
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@ -13,7 +13,6 @@
**/
include <__private__/__frags.scad>;
include <__private__/__triangles_radial.scad>;
function shape_ellipse(axes) =
let(
@ -22,10 +21,5 @@ function shape_ellipse(axes) =
shape_pts = [
for(a = [0:step_a:360 - step_a])
[axes[0] * cos(a), axes[1] * sin(a)]
],
triangles = __triangles_radial(shape_pts)
)
[
shape_pts,
triangles
];
]
) shape_pts;