introduce script to generate assembly animation. still needs cleanup

rack/assembly/addMagnetsToSideWall.scad

@@ -0,0 +1,26 @@
+include <./common.scad>
+
+$vpt = [40,44,70];
+$vpr = [77,0,40];
+$vpd = 370;
+$vpf = 22.50;
+
+addMagnetsToSideWall(at=$t);
+
+module addMagnetsToSideWall(at=0) {
+  t = lerp(a=8,b=0,t=at);
+
+  if (!plasticMask) {
+    sideWallLeft();
+  }
+
+  function insertMagnetTrans(t=0) =
+    translate(v=[sideWallThickness+t, magnetMountToYBarFront, magnetMountToYBarTop-sideWallZHingeTotalClearance]) *
+    rotate(a=[0,90,0]);
+
+  multmatrix(insertMagnetTrans(t=t))
+    magnet();
+
+  multmatrix(translate(v=[0,0,sideWallZ - 2*(magnetMountToYBarTop- sideWallZHingeTotalClearance)]) * insertMagnetTrans(t=t))
+    magnet();
+}