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use vector sub

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Justin Lin
2022-04-04 10:57:55 +08:00
parent b3289dd55b
commit a3b9e42098
1 changed files with 5 additions and 7 deletions
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12
examples/dragon/torus_knot_dragon.scad
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@@ -24,13 +24,11 @@ module torus_knot_dragon() {
one_segment(body_r, body_fn, one_body_scale_data); one_segment(body_r, body_fn, one_body_scale_data);
function __angy_angz(p1, p2) = function __angy_angz(p1, p2) =
let( let(v = p2 - p1)
dx = p2.x - p1.x, [
dy = p2.y - p1.y, atan2(v.z, norm([v.x, v.y])),
dz = p2.z - p1.z, atan2(v.y, v.x)
ya = atan2(dz, sqrt(dx * dx + dy * dy)), ];
za = atan2(dy, dx)
) [ya, za];
h_angy_angz = __angy_angz(d_path[len(d_path) - 2], d_path[len(d_path) - 1]); h_angy_angz = __angy_angz(d_path[len(d_path) - 2], d_path[len(d_path) - 1]);