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Code Issues Releases Wiki Activity

added "HULL_LINES" option

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Justin Lin
2017-06-08 14:54:11 +08:00
parent 292c3ae596
commit fc8433e1ea
1 changed files with 9 additions and 6 deletions
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15
src/function_grapher.scad
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@@ -22,7 +22,7 @@ module function_grapher(points, thickness, style = "FACES", slicing = "SLASH") {
rows = len(points); rows = len(points);
columns = len(points[0]); columns = len(points[0]);
// Increasing $fn will be slow when you use "LINES" or "HULL_FACES". // Increasing $fn will be slow when you use "LINES", "HULL_FACES" or "HULL_LINES".
module faces() { module faces() {
function xy_to_index(x, y, columns) = y * columns + x; function xy_to_index(x, y, columns) = y * columns + x;
@@ -162,6 +162,11 @@ module function_grapher(points, thickness, style = "FACES", slicing = "SLASH") {
polyline3d(concat(tri2, [tri2[0]]), thickness); polyline3d(concat(tri2, [tri2[0]]), thickness);
} }
module tri_to_hull_lines(tri1, tri2) {
hull_polyline3d(concat(tri1, [tri1[0]]), thickness);
hull_polyline3d(concat(tri2, [tri2[0]]), thickness);
}
module hull_pts(tri) { module hull_pts(tri) {
half_thickness = thickness / 2; half_thickness = thickness / 2;
hull() { hull() {
@@ -179,15 +184,13 @@ module function_grapher(points, thickness, style = "FACES", slicing = "SLASH") {
module tri_to_graph(tri1, tri2) { module tri_to_graph(tri1, tri2) {
if(style == "LINES") { if(style == "LINES") {
tri_to_lines(tri1, tri2); tri_to_lines(tri1, tri2);
} else { // Warning: May be very slow!! } else if(style == "HULL_FACES") { // Warning: May be very slow!!
tri_to_hull_faces(tri1, tri2); tri_to_hull_faces(tri1, tri2);
} else if(style == "HULL_LINES") { // Warning: very very slow!!
tri_to_hull_lines(tri1, tri2);
} }
} }
if(style == "FACES") { if(style == "FACES") {
faces(); faces();
} else { } else {