| // Rotate children to reorient vector "from" toward "to".
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| // Uses the rotation which preserves the xy plane orientation.
|
| module RotateFromTo(from, to) {
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| rotate([0, 0, atan2(to[1], to[0])])
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| rotate([0, -atan2(sqrt(to[0]^2 + to[1]^2), -to[2]), 0])
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| rotate([0, atan2(sqrt(from[0]^2 + from[1]^2), -from[2]), 0])
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| rotate([0, 0, -atan2(from[1], from[0])])
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| children();
|
| }
|
|
|
|
|
| RotateFromTo([0,0,1], [1,0,0])
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| cylinder(r=10, h=5);
|