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Add polyhedron generation from throw and shape

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This commit is contained in:
Quinn
2022-01-07 22:19:11 -08:00
parent 07f774767a
commit b08ea22c8e
1 changed files with 34 additions and 5 deletions
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poly_gates.scad
+34 -5
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@@ -1,10 +1,23 @@
$fn = 32;
gate_height = 50; gate_height = 50;
sq_poly = [
[sqrt(2), sqrt(2)], sq_poly = let(corner = 1 / sqrt(2)) [
[-sqrt(2), sqrt(2)], [corner, corner],
[-sqrt(2), -sqrt(2)], [-corner, corner],
[sqrt(2), -sqrt(2)] [-corner, -corner],
[corner, -corner]
];
oct_poly = let(corner = 1 / sqrt(2))[
[1,0],
[corner, corner],
[0,1],
[-corner, corner],
[-1,0],
[-corner, -corner],
[0,-1],
[corner, -corner],
]; ];
function scale_xy_z(m, xy, z) = [ for (i = [0 : len(m) - 1]) [m[i].x * xy, m[i].y * xy, z]]; function scale_xy_z(m, xy, z) = [ for (i = [0 : len(m) - 1]) [m[i].x * xy, m[i].y * xy, z]];
@@ -13,6 +26,11 @@ function throw_end(throw) = gate_height * tan(throw);
function throw_points(shape, throw) = concat([[0,0,0]],scale_xy_z(shape, throw_end(throw), gate_height)); function throw_points(shape, throw) = concat([[0,0,0]],scale_xy_z(shape, throw_end(throw), gate_height));
function throw_faces(points) = [
[each [1:len(points) - 1]],
for(i =[1:len(points) - 1]) let (next = i < len(points) - 1 ? i + 1 : 1) [i, next, 0]
];
module shape_gate (shape, throw, shaft_r, sharpness = 1) { module shape_gate (shape, throw, shaft_r, sharpness = 1) {
} }
@@ -20,3 +38,14 @@ module shape_gate (shape, throw, shaft_r, sharpness = 1) {
//echo(concat([[0,0,0]],scale_xy_z(sq_poly, 3, 3))); //echo(concat([[0,0,0]],scale_xy_z(sq_poly, 3, 3)));
echo(throw_points(sq_poly, 15)); echo(throw_points(sq_poly, 15));
echo(throw_faces(throw_points(sq_poly, 15)));
points = throw_points(oct_poly, 15);
faces = throw_faces(points);
minkowski() {
hull(){
polyhedron(points, faces);
}
cylinder(1,3);
}