public class MeshViewer extends Viewer {
+ public int whichNeighbor = 1;
+
+ public double temp;
+ public boolean tileon = true;
+ public boolean tilemeshon = false;
+ public boolean goalon = true;
+ public boolean anneal = false;
+ public boolean hillclimb = false;
+ public boolean neighbors = false;
+ public boolean neighborsWire = false;
+ public boolean neighborsWireOne = false;
+ public boolean errorNormals = false;
+
+ public boolean force = false;
+ public Matrix[] transforms;
+ public Mesh.Vertex[] points;
+ public int breaks = 0;
+
+ public int temps;
+ public int accepts;
+ public int vertss;
+ protected HashSet<Mesh.T> safeTriangles = new HashSet<Mesh.T>();
+
public MeshViewer(JFrame f) { super(f); }
+
+ public void _display(GLAutoDrawable drawable, GL gl) {
+
+ if (transforms==null) return;
+ glcanvas.setSize(f.getWidth(), f.getHeight() - 100);
+ Graphics2D g = (Graphics2D)f.getGraphics();
+ g.setColor(Color.black);
+ g.fillRect(0, f.getHeight()-100, f.getWidth(), f.getHeight());
+ g.setColor(Color.red);
+ int top = f.getHeight()-70;
+ g.drawString("temperature: "+temps, 10, 30+top);
+ g.drawString("acceptance: "+accepts, 10, 50+top);
+ g.drawString("vertices: "+vertss, 10, 70+top);
+ g.fillRect(140, 25+top, temps, 10);
+ g.fillRect(140, 45+top, accepts, 10);
+ g.fillRect(140, 65+top, vertss, 10);
+
+ GLU glu = new GLU();
+ gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+ gl.glPointSize(5.0f);
+ gl.glLoadIdentity();
+ glu.gluPerspective(50, ((float)drawable.getWidth())/drawable.getHeight(), 0.5, 10);
+ glu.gluLookAt(0, 0, -((tz/10)-1), 0, 0, 0, 0, 1, 0);
+ gl.glRotatef(anglex/3, 0, 1, 0);
+ gl.glRotatef(-(angley/3), 1, 0, 0);
+
+
+ gl.glDisable(GL.GL_LIGHTING);
+ gl.glColor4f(1, 0, 0, 1);
+ gl.glBegin(GL.GL_LINES);
+ gl.glVertex3f(0,0,0);
+ gl.glVertex3f(.3f,0,0);
+ gl.glEnd();
+ gl.glColor4f(0, 1, 0, 1);
+ gl.glBegin(GL.GL_LINES);
+ gl.glVertex3f(0,0,0);
+ gl.glVertex3f(0,.3f,0);
+ gl.glEnd();
+ gl.glColor4f(0, 0, 1, 1);
+ gl.glBegin(GL.GL_LINES);
+ gl.glVertex3f(0,0,0);
+ gl.glVertex3f(0,0,.3f);
+ gl.glEnd();
+ gl.glEnable(GL.GL_LIGHTING);
+
+
+ gl.glBegin(GL.GL_TRIANGLES);
+ if (tileon)
+ draw(gl, true, safeTriangles);
+ if (tilemeshon)
+ draw(gl, false, safeTriangles);
+ gl.glEnd();
+
+ //draw(gl, false, tile);
+
+ gl.glBegin(GL.GL_TRIANGLES);
+ gl.glColor4f((float)0.5, (float)0.5, (float)0.5, (float)0.8);
+ if (goalon)
+ draw(gl, false, goal);
+ gl.glEnd();
+
+
+ int i = 0;
+ //gl.glDisable(GL.GL_DEPTH_TEST);
+ gl.glColor4f(1,1,1,1);
+ for(Matrix m : transforms) {
+ /*
+ gl.glColor4f(0, 1, 1, 1);
+ gl.glBegin(GL.GL_LINES);
+ new Point(0,0,0).glVertex(gl);
+ new Point(0,0,0).plus(m.getTranslationalComponent()).glVertex(gl);
+ gl.glEnd();
+ gl.glEnable(GL.GL_LIGHTING);
+ */
+ //if (v1.z==0 && v1.y==0) continue;
+ i++;
+ if (neighborsWireOne && i!=whichNeighbor) continue;
+ //if (i>4) continue;
+ /*
+ Point p = new Point(0, 0, 0).times(m);
+ Vec v = new Vec(p.x, p.y, p.z);
+ v = v.times((float)1.04);
+ gl.glTranslatef(v.x, v.y, v.z);
+ */
+ if (neighbors) draw(gl, true, safeTriangles, m);
+ else if (neighborsWire || neighborsWireOne) draw(gl, false, safeTriangles, m);
+ /*
+ gl.glTranslatef(-v.x, -v.y, -v.z);
+ */
+ }
+ //gl.glEnable(GL.GL_DEPTH_TEST);
+
+ gl.glDisable(GL.GL_LIGHTING);
+ gl.glShadeModel(GL.GL_FLAT);
+ if (closest != null) {
+ gl.glColor3f(1,1,1);
+ gl.glBegin(gl.GL_POINTS);
+ closest.getPoint().glVertex(gl);
+ gl.glEnd();
+ /*
+ Mesh.Vertex v2 = closest.hack(gl, getMouse());
+ gl.glBegin(GL.GL_LINES);
+ closest.getPoint().glVertex(gl);
+ if (v2 != null) v2.getPoint().glVertex(gl);
+ gl.glEnd();
+ */
+ }
+
+ 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);
+
+ IntBuffer buf = ByteBuffer.allocateDirect(9*4*4).order(ByteOrder.nativeOrder()).asIntBuffer();
+ 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 : safeTriangles)
+ t.glTriangle(gl, null);
+ for(Mesh.Vertex v : tile.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);
+ 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);
+ gl.glEnable(GL.GL_LIGHTING);
+ gl.glDrawBuffer(GL.GL_FRONT);
+ }
+
+
+ private void draw(GL gl, boolean triangles, Iterable<Mesh.T> tris) { draw(gl, triangles, tris, Matrix.ONE); }
+ private void draw(GL gl, boolean triangles, Iterable<Mesh.T> tris, Matrix m) {
+ float red = 0.0f;
+ float green = 0.0f;
+ float blue = 0.0f;
+ synchronized(this) {
+ for(Mesh.T t : tris) {
+ if (red < 0.15) red = 1.0f;
+ if (green < 0.15) green = 1.0f;
+ if (blue < 0.15) blue = 1.0f;
+ red -= .09f;
+ green -= .12f;
+ blue -= .15f;
+
+ /*
+ if (triangles) switch(t.color) {
+ case 0: gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3); break;
+ case 1: gl.glColor4f((float)0.25, (float)0.75, (float)0.25, (float)0.3); break;
+ case 2: gl.glColor4f((float)0.75, (float)0.25, (float)0.25, (float)0.3); break;
+ case 3: gl.glColor4f((float)0.50, (float)0.50, (float)0.50, (float)0.3); break;
+ case 4: gl.glColor4f((float)0.25, (float)0.75, (float)0.75, (float)0.3); break;
+ case 5: gl.glColor4f((float)0.25, (float)0.75, (float)0.75, (float)0.3); break;
+ case 6: gl.glColor4f((float)0.75, (float)0.25, (float)0.75, (float)0.3); break;
+ }
+ */
+
+ gl.glColor4f((float)(0.25+(0.05*t.color)),
+ (float)(0.25+(0.05*t.color)),
+ (float)(0.75+(0.05*t.color)),
+ (float)0.3);
+ //if (t.v1().visible && t.v2().visible && t.v3().visible) continue;
+
+ /*
+ if (t.e1().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
+ else if (t.e2().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
+ else if (t.e3().pair.t==null) gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3);
+ else gl.glColor4f((float)0.75, (float)0.25, (float)0.25, (float)0.3);
+ */
+ //gl.glBegin(GL.GL_LINES);
+
+ if (triangles) {
+ t.glTriangle(gl, m);
+ } else {
+ gl.glDisable(GL.GL_LIGHTING);
+ gl.glBegin(GL.GL_LINES);
+ gl.glColor3f(1, 1, 1);
+ m.times(t.e1().p1.goodp).glVertex(gl);
+ m.times(t.e1().p2.goodp).glVertex(gl);
+ m.times(t.e2().p1.goodp).glVertex(gl);
+ m.times(t.e2().p2.goodp).glVertex(gl);
+ m.times(t.e3().p1.goodp).glVertex(gl);
+ m.times(t.e3().p2.goodp).glVertex(gl);
+ gl.glEnd();
+ gl.glEnable(GL.GL_LIGHTING);
+ }
+
+ Point centroid = t.centroid();
+ gl.glBegin(GL.GL_LINES);
+ gl.glColor3f(1, 1, 1);
+
+ if (triangles && errorNormals)
+ for(Mesh.Vertex p : new Mesh.Vertex[] { t.v1(), t.v2(), t.v3() }) {
+ if (p.ok) {
+ //gl.glDisable(GL.GL_LIGHTING);
+ gl.glBegin(GL.GL_LINES);
+ gl.glColor3f(1, 1, 1);
+ p.p.glVertex(gl);
+ p.p.plus(p.norm().times((float)p.error()*10)).glVertex(gl);
+ //if (p.nearest_in_other_mesh != null) p.nearest_in_other_mesh.p.glVertex(gl);
+ //tile.nearest(p).centroid().glVertex(gl);
+ gl.glEnd();
+ //gl.glEnable(GL.GL_LIGHTING);
+ }
+ }
+ gl.glEnd();
+
+ }
+ }
+ }
+
+ public synchronized void dump() {
+ try {
+ PrintWriter pw = new PrintWriter(new OutputStreamWriter(new FileOutputStream("dump.stl")));
+ pw.println("solid dump");
+ for(Mesh.T t : tile) {
+ Vec normal = t.norm();
+ pw.println("facet normal " + normal.x + " " + normal.y + " " + normal.z);
+ pw.println(" outer loop");
+ for(Mesh.Vertex v : new Mesh.Vertex[] { t.v1(), t.v2(), t.v3() }) {
+ pw.println(" vertex " + v.p.x + " " + v.p.y + " " + v.p.z);
+ }
+ pw.println(" endloop");
+ pw.println("endfacet");
+ }
+ pw.println("endsolid dump");
+ pw.flush();
+ pw.close();
+ } catch (Exception e) { throw new RuntimeException(e); }
+ }
+
+ public void keyPressed(KeyEvent e) {
+ super.keyPressed(e);
+ switch(e.getKeyCode()) {
+ case KeyEvent.VK_SPACE: breaks++; force = true; break;
+ case KeyEvent.VK_UP: temp = temp * 2; break;
+ case KeyEvent.VK_ENTER: temp = 10; break;
+ case KeyEvent.VK_LEFT: whichNeighbor--; break;
+ case KeyEvent.VK_RIGHT: whichNeighbor++; break;
+ case KeyEvent.VK_D: dump(); break;
+ case KeyEvent.VK_E: errorNormals = !errorNormals; break;
+ case KeyEvent.VK_A: hillclimb = false; anneal = !anneal; break;
+ case KeyEvent.VK_H: anneal = true; hillclimb = !hillclimb; break;
+ case KeyEvent.VK_N: neighbors = !neighbors; break;
+ case KeyEvent.VK_T: tileon = !tileon; break;
+ case KeyEvent.VK_G: goalon = !goalon; break;
+ case KeyEvent.VK_M: tilemeshon = !tilemeshon; break;
+ }
+ }
+
}
\ No newline at end of file