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Code Issues Releases Wiki Activity

OpenSCAD prefers clockwise?

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Justin Lin
2017-05-15 20:04:38 +08:00
parent f1358eadb6
commit 6570300de8
1 changed files with 36 additions and 23 deletions
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59
src/function_grapher.scad
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@@ -41,16 +41,16 @@ module function_grapher(points, thickness, style = "FACES", slicing = "SLASH") {
for(xi = [0:columns - 2]) for(xi = [0:columns - 2])
[ [
xy_to_index(xi, yi, columns), xy_to_index(xi, yi, columns),
xy_to_index(xi + 1, yi, columns), xy_to_index(xi + 1, yi + 1, columns),
xy_to_index(xi + 1, yi + 1, columns) xy_to_index(xi + 1, yi, columns)
] ]
] : [ ] : [
for(yi = [0:rows - 2]) for(yi = [0:rows - 2])
for(xi = [0:columns - 2]) for(xi = [0:columns - 2])
[ [
xy_to_index(xi, yi, columns), xy_to_index(xi, yi, columns),
xy_to_index(xi + 1, yi, columns), xy_to_index(xi, yi + 1, columns),
xy_to_index(xi, yi + 1, columns) xy_to_index(xi + 1, yi, columns)
] ]
]; ];
@@ -59,32 +59,43 @@ module function_grapher(points, thickness, style = "FACES", slicing = "SLASH") {
for(xi = [0:columns - 2]) for(xi = [0:columns - 2])
[ [
xy_to_index(xi, yi, columns), xy_to_index(xi, yi, columns),
xy_to_index(xi + 1, yi + 1, columns), xy_to_index(xi, yi + 1, columns),
xy_to_index(xi, yi + 1, columns) xy_to_index(xi + 1, yi + 1, columns)
] ]
] : [ ] : [
for(yi = [0:rows - 2]) for(yi = [0:rows - 2])
for(xi = [0:columns - 2]) for(xi = [0:columns - 2])
[ [
xy_to_index(xi + 1, yi, columns), xy_to_index(xi, yi + 1, columns),
xy_to_index(xi + 1, yi + 1, columns), xy_to_index(xi + 1, yi + 1, columns),
xy_to_index(xi, yi + 1, columns) xy_to_index(xi + 1, yi, columns)
] ]
]; ];
leng_tri_faces = len(top_tri_faces1);
base_tri_faces1 = [ base_tri_faces1 = [
for(face = top_tri_faces1) for(i = [0:leng_tri_faces - 1])
face + [leng_pts, leng_pts, leng_pts, leng_pts] top_tri_faces1[leng_tri_faces - 1 - i] + [leng_pts, leng_pts, leng_pts, leng_pts]
]; ];
base_tri_faces2 = [ base_tri_faces2 = [
for(face = top_tri_faces2) for(i = [0:leng_tri_faces - 1])
face + [leng_pts, leng_pts, leng_pts, leng_pts] top_tri_faces2[leng_tri_faces - 1 - i] + [leng_pts, leng_pts, leng_pts, leng_pts]
]; ];
side_faces1 = [ side_faces1 = [
for(xi = [0:columns - 2]) for(xi = [0:columns - 2])
[xi, xi + 1, xi + 1 + leng_pts, xi + leng_pts] let(
idx1 = xy_to_index(xi, 0, columns),
idx2 = xy_to_index(xi + 1, 0, columns)
)
[
idx1,
idx2,
idx2 + leng_pts,
idx1 + leng_pts
]
]; ];
side_faces2 = [ side_faces2 = [
@@ -96,22 +107,24 @@ module function_grapher(points, thickness, style = "FACES", slicing = "SLASH") {
) )
[ [
idx1, idx1,
idx1 + leng_pts, idx2,
idx2 + leng_pts, idx2 + leng_pts,
idx2 idx1 + leng_pts
] ]
]; ];
side_faces3 = [ side_faces3 = [
for(xi = [0:columns - 2]) for(xi = [0:columns - 2])
let( let(
idx1 = xy_to_index(xi, rows - 1, columns), yi = rows - 1,
idx2 = xy_to_index(xi + 1, rows - 1, columns) idx1 = xy_to_index(xi, yi, columns),
idx2 = xy_to_index(xi + 1, yi, columns)
) )
[ [
idx1, idx2, idx2,
idx2 + leng_pts, idx1,
idx1 + leng_pts idx1 + leng_pts,
idx2 + leng_pts
] ]
]; ];
@@ -122,10 +135,10 @@ module function_grapher(points, thickness, style = "FACES", slicing = "SLASH") {
idx2 = xy_to_index(0, yi + 1, columns) idx2 = xy_to_index(0, yi + 1, columns)
) )
[ [
idx2,
idx1, idx1,
idx1 + leng_pts, idx1 + leng_pts,
idx2 + leng_pts, idx2 + leng_pts
idx2
] ]
]; ];