commit f0c98ff56181334033a710ac70953ddb290fe963
Author: Leszek Koltunski <leszek@koltunski.pl>
Date:   Mon Nov 15 22:28:08 2021 +0100

    Adjust ShapeChanging so that it can handle concave cubit faces.
    Now it is working also in case of the Ivy corner cubits.

diff --git a/src/main/java/org/distorted/library/main/QuatHelper.java b/src/main/java/org/distorted/library/main/QuatHelper.java
index 07b66af..9f3a25b 100644
--- a/src/main/java/org/distorted/library/main/QuatHelper.java
+++ b/src/main/java/org/distorted/library/main/QuatHelper.java
@@ -97,17 +97,6 @@ public class QuatHelper
     return new Static4D(tx,ty,tz,tw);
     }
 
-///////////////////////////////////////////////////////////////////////////////////////////////////
-// ret = (qx,qy,qz,qw)*(rx,ry,rz,rw)
-
-  public static void quatMultiply( float[] ret, float qx, float qy, float qz, float qw, float rx, float ry, float rz, float rw )
-    {
-    ret[0] = rw*qx - rz*qy + ry*qz + rx*qw;
-    ret[1] = rw*qy + rz*qx + ry*qw - rx*qz;
-    ret[2] = rw*qz + rz*qw - ry*qx + rx*qy;
-    ret[3] = rw*qw - rz*qz - ry*qy - rx*qx;
-    }
-
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 // ret = (qx,qy,qz,qw)*(rx,ry,rz,rw)