[Bprocessor-commit] model/src/net/sourceforge/bprocessor/model Grid.java, 1.6, 1.7

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

Update of /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model
In directory ddv4jf1.ch3.sourceforge.com:/tmp/cvs-serv26296/src/net/sourceforge/bprocessor/model

Modified Files:
	Grid.java 
Log Message:
Snapping to grid implemented

Index: Grid.java
===================================================================
RCS file: /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model/Grid.java,v
retrieving revision 1.6
retrieving revision 1.7
diff -C2 -d -r1.6 -r1.7
*** Grid.java	19 May 2009 10:33:45 -0000	1.6
--- Grid.java	26 May 2009 10:33:50 -0000	1.7
***************
*** 7,10 ****
--- 7,11 ----
  
  package net.sourceforge.bprocessor.model;
+ import java.util.Collection;
  import java.util.LinkedList;
  import java.util.List;
***************
*** 83,86 ****
--- 84,140 ----
    }
  
+   
+   /**
+    * 
+    * @return lines
+    */
+   public Collection<Line> lines() {
+     
+     double size = getSize();
+     double delta = getDistance();
+     CoordinateSystem system = Project.getInstance().getActiveCoordinateSystem();
+     Vertex origin = system.getOrigin();
+     Vertex v = system.getI();
+     Vertex u = system.getJ();
+     int n = (int) Math.floor((size / 2) / delta);
+ 
+     Collection<Line> lines = new LinkedList();
+     
+     for (int i = 0; i < n; i++) {
+       Vertex o = origin.add(u.scale(i * delta));
+       Line line = new Line(o, v);
+       lines.add(line);
+     }
+     for (int i = 1; i < n; i++) {
+       Vertex o = origin.add(u.scale(-i * delta));
+       Line line = new Line(o, v);
+       lines.add(line);
+     }
+     for (int i = 0; i < n; i++) {
+       Vertex o = origin.add(v.scale(i * delta));
+       Line line = new Line(o, u);
+       lines.add(line);
+     }
+     for (int i = 1; i < n; i++) {
+       Vertex o = origin.add(v.scale(-i * delta));
+       Line line = new Line(o, u);
+       lines.add(line);
+     }
+     return lines;
+   }
+   
+   /**
+    * {@inheritDoc}
+    */
+   public Collection<Edge> guides(double length) {
+     Collection<Edge> guides = super.guides(length);
+     Collection<Line> lines = lines();
+     for (Line line : lines) {
+       Edge edge = line.edge(length);
+       guides.add(edge);
+     }
+     return guides;
+   }
+   
    /** {@inheritDoc} */
    public String title() {