[Bprocessor-commit] gl/src/net/sourceforge/bprocessor/gl/tool Protractor.java, 1.19, 1.20

[Michael L. <he...@us...>]

Update of /cvsroot/bprocessor/gl/src/net/sourceforge/bprocessor/gl/tool
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv2828/src/net/sourceforge/bprocessor/gl/tool

Modified Files:
	Protractor.java 
Log Message:
Implemented CoordinateSystem.systemFor(origin, normal) that returns an appropriate coordinate system

Index: Protractor.java
===================================================================
RCS file: /cvsroot/bprocessor/gl/src/net/sourceforge/bprocessor/gl/tool/Protractor.java,v
retrieving revision 1.19
retrieving revision 1.20
diff -C2 -d -r1.19 -r1.20
*** Protractor.java	22 Nov 2007 10:12:46 -0000	1.19
--- Protractor.java	22 Nov 2007 10:25:57 -0000	1.20
***************
*** 166,197 ****
     */
    public CoordinateSystem systemFor(Vertex origin, Vertex n) {
!     int index = n.largestCoefficient();
!     Vertex i = null;
!     Vertex j = null;
!     if (index == Vertex.X) {
!       i = new Vertex(0, 1, 0);
!       Vertex z = new Vertex(1, 0, 0);
!       if (n.dot(z) < 0) {
!         i = i.scale(-1);
!       }
!     }
!     if (index == Vertex.Y) {
!       i = new Vertex(-1, 0, 0);
!       Vertex z = new Vertex(0, 1, 0);
!       if (n.dot(z) < 0) {
!         i = i.scale(-1);
!       }
!     }
!     if (index == Vertex.Z) {
!       i = new Vertex(1, 0, 0);
!     }
!     
!     double t = n.dot(i);
!     
!     i = i.minus(n.scale(t));
!     i.normalize();
!     j = n.cross(i);
!     
!     return new CoordinateSystem(i, j, n, origin);
    }
    
--- 166,170 ----
     */
    public CoordinateSystem systemFor(Vertex origin, Vertex n) {
!     return CoordinateSystem.systemFor(origin, n);
    }