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Code Issues Releases Wiki Activity

LINES use path_extrude

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Justin Lin
2021-02-09 15:36:40 +08:00
parent 310c707741
commit 6bc697983b
1 changed files with 15 additions and 75 deletions
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90
src/function_grapher.scad
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@@ -4,12 +4,11 @@
* @copyright Justin Lin, 2017
* @license https://opensource.org/licenses/lgpl-3.0.html
*
* @see https://openhome.cc/eGossip/OpenSCAD/lib2x-function_grapher.html
* @see https://openhome.cc/eGossip/OpenSCAD/lib3x-function_grapher.html
*
**/
use <util/reverse.scad>;
use <polyline3d.scad>;
use <hull_polyline3d.scad>;
use <path_extrude.scad>;
use <shape_circle.scad>;
@@ -22,6 +21,8 @@ module function_grapher(points, thickness, style = "FACES") {
yi_range = [0:rows - 2];
xi_range = [0:columns - 2];
half_thickness = thickness / 2;
// Increasing $fn will be slow when you use "LINES", "HULL_FACES" or "HULL_LINES".
module faces() {
@@ -40,7 +41,7 @@ module function_grapher(points, thickness, style = "FACES") {
leng_pts = len(top_pts);
top_tri_faces1 = slicing == "SLASH" ? [
top_tri_faces1 = [
for(yi = yi_range)
for(xi = xi_range)
[
@@ -48,17 +49,9 @@ module function_grapher(points, thickness, style = "FACES") {
xy_to_index(xi + 1, yi + 1, columns),
xy_to_index(xi + 1, yi, columns)
]
] : [
for(yi = yi_range)
for(xi = xi_range)
[
xy_to_index(xi, yi, columns),
xy_to_index(xi, yi + 1, columns),
xy_to_index(xi + 1, yi, columns)
]
];
top_tri_faces2 = slicing == "SLASH" ? [
top_tri_faces2 = [
for(yi = yi_range)
for(xi = xi_range)
[
@@ -66,14 +59,6 @@ module function_grapher(points, thickness, style = "FACES") {
xy_to_index(xi, yi + 1, columns),
xy_to_index(xi + 1, yi + 1, columns)
]
] : [
for(yi = yi_range)
for(xi = xi_range)
[
xy_to_index(xi, yi + 1, columns),
xy_to_index(xi + 1, yi + 1, columns),
xy_to_index(xi + 1, yi, columns)
]
];
offset_v = [leng_pts, leng_pts, leng_pts];
@@ -164,54 +149,7 @@ module function_grapher(points, thickness, style = "FACES") {
test_function_grapher_faces(pts, face_idxs);
}
module tri_to_slash_lines(tri1, tri2) {
polyline3d(concat(tri1, [tri1[0]]), thickness);
if(tri2[0][0] == points[0][0][0]) {
polyline3d([tri2[0], tri2[2]], thickness);
}
if(tri2[1][1] == points[rows - 1][0][1]) {
polyline3d([tri2[1], tri2[2]], thickness);
}
}
module tri_to_backslash_lines(tri1, tri2) {
polyline3d(concat(tri1, [tri1[0]]), thickness);
if(tri2[1][0] == points[0][columns - 1][0]) {
polyline3d([tri2[1], tri2[2]], thickness);
}
if(tri2[2][1] == points[rows - 1][columns - 1][1]) {
polyline3d([tri2[0], tri2[2]], thickness);
}
}
module tri_to_slash_hull_lines(tri1, tri2) {
hull_polyline3d(concat(tri1, [tri1[0]]), thickness);
if(tri2[0][0] == points[0][0][0]) {
hull_polyline3d([tri2[0], tri2[2]], thickness);
}
if(tri2[1][1] == points[rows - 1][0][1]) {
hull_polyline3d([tri2[1], tri2[2]], thickness);
}
}
module tri_to_backslash_hull_lines(tri1, tri2) {
hull_polyline3d(concat(tri1, [tri1[0]]), thickness);
if(tri2[1][0] == points[0][columns - 1][0]) {
hull_polyline3d([tri2[1], tri2[2]], thickness);
}
if(tri2[2][1] == points[rows - 1][columns - 1][1]) {
hull_polyline3d([tri2[0], tri2[2]], thickness);
}
}
module hull_pts(tri) {
half_thickness = thickness / 2;
hull() {
translate(tri[0]) sphere(half_thickness);
translate(tri[1]) sphere(half_thickness);
@@ -252,19 +190,21 @@ module function_grapher(points, thickness, style = "FACES") {
}
else {
if(style == "LINES") {
section = shape_circle(radius = half_thickness);
for(row = points) {
polyline3d(row, thickness);
path_extrude(section, row, method = "AXIS_ANGLE");
}
for(x = [0:columns - 1]) {
polyline3d([for(y = [0:rows - 1]) points[y][x]], thickness);
path_extrude(section, [for(y = [0:rows - 1]) points[y][x]], method = "AXIS_ANGLE");
}
for(c = [0:columns - 1]) {
polyline3d([for(r = [0:rows - 1 - c]) points[r + c][r]], thickness);
for(c = [0:columns - 2]) {
path_extrude(section, [for(r = [0:rows - 1 - c]) points[r + c][r]], method = "AXIS_ANGLE");
}
for(c = [0:columns - 1]) {
polyline3d([for(r = [0:rows - 1 - c]) points[r][r + c]], thickness);
for(c = [0:columns - 2]) {
path_extrude(section, [for(r = [0:rows - 1 - c]) points[r][r + c]], method = "AXIS_ANGLE");
}
}
else {
@@ -276,11 +216,11 @@ module function_grapher(points, thickness, style = "FACES") {
hull_polyline3d([for(y = [0:rows - 1]) points[y][x]], thickness);
}
for(c = [0:columns - 1]) {
for(c = [0:columns - 2]) {
hull_polyline3d([for(r = [0:rows - 1 - c]) points[r + c][r]], thickness);
}
for(c = [0:columns - 1]) {
for(c = [0:columns - 2]) {
hull_polyline3d([for(r = [0:rows - 1 - c]) points[r][r + c]], thickness);
}
}