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Added get_anchor()

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Revar Desmera 2020-02-28 21:34:58 -08:00
parent f838e8a1e2
commit 2f8787dac5
2 changed files with 22 additions and 1 deletions
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21
common.scad
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@ -138,6 +138,27 @@ function all_defined(v,recursive=false) = max([for (x=v) is_undef(x)||(recursive
// Section: Argument Helpers
// Function: get_anchor()
// Usage:
// get_anchor(anchor,center,[uncentered],[dflt]);
// Description:
// Calculated the correct anchor from `anchor` and `center`. In order:
// - If `center` is not `undef` and `center` evaluates as true, then `CENTER` (`[0,0,0]`) is returned.
// - Otherwise, if `center` is not `undef` and `center` evaluates as false, then the value of `uncentered` is returned.
// - Otherwise, if `anchor` is not `undef`, then the value of `anchor` is returned.
// - Otherwise, the value of `dflt` is returned.
// This ordering ensures that `center` will override `anchor`.
// Arguments:
// anchor = The anchor name or vector.
// center = If not `undef`, this overrides the value of `anchor`.
// uncentered = The value to return if `center` is not `undef` and evaluates as false. Default: ALLNEG
// dflt = The default value to return if both `anchor` and `center` are `undef`. Default: `CENTER`
function get_anchor(anchor,center,uncentered=BOT,dflt=CENTER) =
!is_undef(center)? (center? CENTER : uncentered) :
!is_undef(anchor)? anchor :
dflt;
// Function: get_radius()
// Usage:
// get_radius([r1], [r2], [r], [d1], [d2], [d], [dflt]);

2
version.scad
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@ -8,7 +8,7 @@
//////////////////////////////////////////////////////////////////////
BOSL_VERSION = [2,0,131];
BOSL_VERSION = [2,0,132];
// Section: BOSL Library Version Functions