Différences

Ci-dessous, les différences entre deux révisions de la page.

--- outilsit:fablab:laser:lol [2022/02/09 01:58]
vanlindtmarc
+++ outilsit:fablab:laser:lol [2022/02/09 02:27] (Version actuelle)
vanlindtmarc
@@ Ligne 1602: / Ligne 1602: @@
 function translate3D(a,b)=[[for(i=[0:len(a[0])-1]) a[0][i]+b],a[1]];
 function rescale3D(a,s)=  [[for(i=[0:len(a[0])-1]) a[0][i]*s],a[1]];
+</code>
+----
+==== skew(XY,XZ,YX,YZ,ZX,ZY) ====
+{{ :outilsit:fablab:openscad:lolscad:2022-02-09_02_26_38-lol2022-wip.scad_-_openscad.png?400|}}
+<code>
+skew(XY=0.5) cube([25,25,25],center=true);
+translate([50,0,0]) skew(XZ=0.5) cube([25,25,25],center=true);
+translate([0,-50,0]) skew(YX=0.5) cube([25,25,25],center=true);
+translate([50,-50,0]) skew(YZ=0.5) cube([25,25,25],center=true);
+translate([0,-100,0]) skew(ZX=0.5) cube([25,25,25],center=true);
+translate([50,-100,0]) skew(ZY=0.5) cube([25,25,25],center=true);
+</code>
+<code>
+module skew(XY,XZ,YX,YZ,ZX,ZY){
+  matrice=[
+    [1,XY,XZ,0], //[redimX, skewXY, skewXZ,translateX]
+    [YX,1,YZ,0], //[SkewYX,RedimY,SkewYZ,translateY]
+    [ZX,ZY,1,0] //[SkewZX, SkewZY,redimZ,TranslateZ]
+  ];
+  multmatrix(matrice){
+    children();
+  }
+}
 </code>