X-Git-Url: http://git.megacz.com/?p=anneal.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fqfat%2FViewer.java;h=89ba7b323c76b2b511875c655a216597c53b75e4;hp=b87965055bdca6b6869ae9853f244b2f914e80be;hb=2a2e64829786ee415fd0c0f16957c55e174b793b;hpb=381c4e0df15e58f3c2304d89b58e2df8142121f4

diff --git a/src/edu/berkeley/qfat/Viewer.java b/src/edu/berkeley/qfat/Viewer.java
index b879650..89ba7b3 100644
--- a/src/edu/berkeley/qfat/Viewer.java
+++ b/src/edu/berkeley/qfat/Viewer.java
@@ -14,11 +14,12 @@ import edu.berkeley.qfat.geom.Point;
 public abstract class Viewer implements GLEventListener, MouseListener, MouseMotionListener, KeyListener, MouseWheelListener  {
 
     Mesh.Vertex closest = null;
-    Matrix projection = null;
 
     public Mesh tile = new Mesh(false);
     public Mesh goal = new Mesh(false);
 
+    private Matrix projection = null;
+
     JFrame f;
     GLCanvas glcanvas;
     Point clickPoint = null;
@@ -76,48 +77,41 @@ public abstract class Viewer implements GLEventListener, MouseListener, MouseMot
     public final void display(GLAutoDrawable drawable) {
         GL gl = drawable.getGL();
         _display(drawable, gl);
-        this.projection = Matrix.getProjectionMatrix(gl);
-        updateVisibility(gl, tile);
+        projection = Matrix.getProjectionMatrix(gl);
     }
 
-    private void updateVisibility(GL gl, Mesh mesh) {
+    protected synchronized void updateVisibility(GL gl, Mesh mesh) {
+        Matrix projection = Matrix.getProjectionMatrix(gl);
         IntBuffer buf = ByteBuffer.allocateDirect(9*4*4).order(ByteOrder.nativeOrder()).asIntBuffer();
+        gl.glFlush();
+        gl.glDrawBuffer(GL.GL_BACK);
+        gl.glReadBuffer( GL.GL_BACK );
+        gl.glPixelStorei( GL.GL_PACK_ALIGNMENT, 1);
+        gl.glFlush();
+        gl.glDisable(GL.GL_LIGHTING);
+        gl.glShadeModel(GL.GL_FLAT);
         gl.glColor3f(0,0,0);
         gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
-        double dist = Double.MAX_VALUE;
-        if (clickPoint==null) closest = null;
-        synchronized(this) {
-            for(Mesh.T t : mesh)
-                t.glTriangle(gl, null);
-            for(Mesh.Vertex v : mesh.vertices()) {
-                Point p = v.getPoint();
-                gl.glColor3f(1,1,1);
+        for(Mesh.T t : mesh) t.glTriangle(gl, null);
+        for(Mesh.Vertex v : mesh.vertices()) {
+            Point p = v.getPoint();
+            gl.glColor3f(1,1,1);
+            gl.glBegin(gl.GL_POINTS);
+            p.glVertex(gl);
+            gl.glEnd();
+            gl.glFlush();
+            
+            Point projected = projection.times(p);
+            gl.glReadPixels((int)projected.x-1, (int)projected.y-1, 3, 3, gl.GL_RGB, gl.GL_UNSIGNED_BYTE, buf);
+            
+            boolean vis = false;
+            for(int j=0; j<9*4; j++) vis |= buf.get(j)!=0;
+            v.visible = vis;
+            if (vis) {
+                gl.glColor3f(0,0,0);
                 gl.glBegin(gl.GL_POINTS);
                 p.glVertex(gl);
                 gl.glEnd();
-                gl.glFlush();
-
-                Point projected = projection.times(p);
-                int x = (int)projected.x;
-                int y = (int)projected.y;
-                gl.glReadPixels(x-1, y-1, 3, 3, gl.GL_RGB, gl.GL_UNSIGNED_BYTE, buf);
-
-                boolean vis = false;
-                for(int j=0; j<9*4; j++) vis |= buf.get(j)!=0;
-                v.visible = vis;
-                if (vis) {
-                    gl.glColor3f(0,0,0);
-                    gl.glBegin(gl.GL_POINTS);
-                    p.glVertex(gl);
-                    gl.glEnd();
-                    y = glcanvas.getHeight()-y;
-                    if (clickPoint==null) {
-                        if (closest==null || (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey) < dist) {
-                            dist = (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey);
-                            closest = v;
-                        }
-                    }
-                }
             }
         }
         gl.glShadeModel(GL.GL_SMOOTH);
@@ -182,7 +176,7 @@ public abstract class Viewer implements GLEventListener, MouseListener, MouseMot
                     Vec delta = d1.plus(clickClosest).minus(closest.getPoint());
                     //System.out.println(delta + " " + closest.getPoint());
                     System.out.println(getMouse().minus(clickPoint));
-                    closest.move(Matrix.translate(delta), true);
+                    closest.move(Matrix.translate(delta), false);
                 }
             }
         } else {