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add tf_y_twist

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Justin Lin
2020-02-12 20:29:18 +08:00
parent b1b5efe022
commit 02b1d1e132
1 changed files with 11 additions and 0 deletions
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11
src/experimental/tf_y_twist.scad Normal file
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use <rotate_p.scad>;
function tf_y_twist(size, point, angle) =
let(
xlen = size[0],
ylen = size[1],
x_offset = xlen / 2,
a_step = angle / ylen,
x_centered = [point[0], point[1], 0] + [-x_offset, 0, 0]
)
rotate_p(x_centered, [0, point[1] * a_step, 0]) + [x_offset, 0, 0];