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use vector substractiokn

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This commit is contained in:
Justin Lin
2022-04-04 10:55:36 +08:00
parent 659654f533
commit b3289dd55b
1 changed files with 5 additions and 7 deletions
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12
examples/dragon/dragon_and_pearl.scad
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@@ -101,13 +101,11 @@ module tail() {
module dragon_and_perl() {
function __angy_angz(p1, p2) =
let(
dx = p2.x - p1.x,
dy = p2.y - p1.y,
dz = p2.z - p1.z,
ya = atan2(dz, sqrt(pow(dx, 2) + pow(dy, 2))),
za = atan2(dy, dx)
) [ya, za];
let(v = p2 - p1)
[
atan2(v.z, norm([v.x, v.y])),
atan2(v.y, v.x)
];
body_path = bezier_curve(0.02, [
[0, 7.5, 15],