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Code Issues Releases Wiki Activity

YA! OpenSCAD prefers clockwise...XD

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Justin Lin
2017-05-15 20:23:06 +08:00
parent 6570300de8
commit ea293df68b
1 changed files with 13 additions and 7 deletions
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20
src/function_grapher.scad
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@@ -23,6 +23,14 @@ module function_grapher(points, thickness, style = "FACES", slicing = "SLASH") {
// Increasing $fn will be slow when you use "LINES" or "HULL_FACES". // Increasing $fn will be slow when you use "LINES" or "HULL_FACES".
module faces() { module faces() {
function xy_to_index(x, y, columns) = y * columns + x;
function reverse(vt) =
let(leng = len(vt))
[
for(i = [0:leng - 1])
vt[leng - 1 - i]
];
top_pts = [ top_pts = [
for(row_pts = points) for(row_pts = points)
for(pt = row_pts) for(pt = row_pts)
@@ -71,17 +79,15 @@ module function_grapher(points, thickness, style = "FACES", slicing = "SLASH") {
xy_to_index(xi + 1, yi, columns) xy_to_index(xi + 1, yi, columns)
] ]
]; ];
leng_tri_faces = len(top_tri_faces1);
base_tri_faces1 = [ base_tri_faces1 = [
for(i = [0:leng_tri_faces - 1]) for(face = top_tri_faces1)
top_tri_faces1[leng_tri_faces - 1 - i] + [leng_pts, leng_pts, leng_pts, leng_pts] reverse(face) + [leng_pts, leng_pts, leng_pts]
]; ];
base_tri_faces2 = [ base_tri_faces2 = [
for(i = [0:leng_tri_faces - 1]) for(face = top_tri_faces2)
top_tri_faces2[leng_tri_faces - 1 - i] + [leng_pts, leng_pts, leng_pts, leng_pts] reverse(face) + [leng_pts, leng_pts, leng_pts]
]; ];
side_faces1 = [ side_faces1 = [
@@ -182,7 +188,7 @@ module function_grapher(points, thickness, style = "FACES", slicing = "SLASH") {
} }
} }
function xy_to_index(x, y, columns) = y * columns + x;