-rw-r--r-- | delta.jscad | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/delta.jscad b/delta.jscad index 326d172..35a777c 100644 --- a/delta.jscad +++ b/delta.jscad @@ -146,7 +146,36 @@ var U = { peek: function(x,m) { console.log(x,m); return x; + }, + axes: function U_axes(o) { + if(!o) o = {}; + var l = o.l||20, g = o.g||0.7; + return union([ + CSG.roundedCylinder({start:[0,0,0],end:[l,0,0]}).setColor([1,0,0,g]), + CSG.roundedCylinder({start:[0,0,0],end:[0,l,0]}).setColor([0,1,0,g]), + CSG.roundedCylinder({start:[0,0,0],end:[0,0,l]}).setColor([0,0,1,g]) + ]); + }, + pextract: function U_pextract(a,pn) { // TODO: monkeypatch Array + return a.map(function(x){return x[pn]}); + }, + hole: function U_hole(o) { + var r = o.r||o.radius||(o.d/2)||(o.diameter/2); + var n = Math.max(Math.round(4*r),4); + return CSG.cylinder({ + start: o.start, end: o.end, + radius: r/Math.cos(Math.PI/n), + resultion: n + }); + }, + + upright: function U_upright() { return new CSG.Connector([0,0,0],[0,0,1],[1,0,0]) }, + downright: function U_downright() { return new CSG.Connector([0,0,0],[0,0,-1],[1,0,0]) }, + P: function U_P(x) { + if(!x.properties.P) return x; + return x.connectTo(x.properties.P,U.upright(),false,0); } + }; /* {h:,w:} */ |