X-Git-Url: http://git.megacz.com/?p=anneal.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fqfat%2FMeshViewer.java;h=2fe420029c4d0861122046da0a5950979cb671c7;hp=8c2dca813915396113125fc5946aebbf92f9efe6;hb=489c7122bf2f358c50588599e54bf38cfd62d5b3;hpb=9e53fab8fe64c71fb2010dadb8bf3c2c1e8c096e diff --git a/src/edu/berkeley/qfat/MeshViewer.java b/src/edu/berkeley/qfat/MeshViewer.java index 8c2dca8..2fe4200 100644 --- a/src/edu/berkeley/qfat/MeshViewer.java +++ b/src/edu/berkeley/qfat/MeshViewer.java @@ -8,38 +8,51 @@ import javax.media.opengl.*; import javax.media.opengl.glu.*; import com.sun.opengl.util.*; import java.util.*; +import edu.berkeley.qfat.bind.*; import edu.berkeley.qfat.geom.*; import edu.berkeley.qfat.geom.Point; -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 safeTriangles = new HashSet(); - - public MeshViewer(JFrame f) { super(f); } - /* - public void init(GLAutoDrawable gld) { - GL gl = gld.getGL(); +/** + * A basic MeshViewer displays zero or more meshes to the user, in + * wireframe or shaded panels. + */ +public class MeshViewer extends JPanel implements GLEventListener, MouseListener, MouseMotionListener, KeyListener, MouseWheelListener { + + Main main; + + private float tz = 0; + private float anglex = 0; + private float angley = 0; + + boolean drawEdge = false; + + private Mesh.Vertex closest = null; + private Mesh.E closestEdge = null; + private Point closestOriginallyAt = null; + private int mousex; + private int mousey; + private Matrix projection = null; + private Point clickPoint = null; + private GLCanvas glcanvas; + private boolean updateVisibilities = false; + private boolean updateClosest = false; + private boolean mouseInside = false; + + private HashSet meshes = new HashSet(); + + public synchronized void addMesh(Mesh m) { meshes.add(m); } + public synchronized void removeMesh(Mesh m) { meshes.remove(m); } + + public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { } + public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { } + + public void addKeyListener(KeyListener kl) { glcanvas.addKeyListener(kl); } + + public synchronized void init(GLAutoDrawable gld) { + GL gl = glcanvas.getGL();//gld.getGL(); + + gl.glEnable(gl.GL_DOUBLEBUFFER); + gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f); gl.glViewport(0, 0, 500, 300); gl.glEnable(GL.GL_DEPTH_TEST); @@ -52,10 +65,6 @@ public class MeshViewer extends Viewer { float mat_specular[] = { 0.5f, 0.5f, 0.5f, 0.5f }; float mat_shininess[] = { 50.0f }; gl.glShadeModel(GL.GL_SMOOTH); - //gl.glMaterialfv(GL.GL_FRONT, GL.GL_DIFFUSE, mat_specular, 0); - //gl.glMaterialfv(GL.GL_FRONT, GL.GL_SPECULAR, mat_specular, 0); - //gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT, new float[] { 0.3f, 0.3f, 0.3f, 0.3f }, 0); - //gl.glMaterialfv(GL.GL_FRONT, GL.GL_SHININESS, mat_shininess, 0); gl.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, new float[] { 1.0f, 4.0f, -10.0f, 0.0f }, 0); gl.glLightfv(GL.GL_LIGHT1, GL.GL_POSITION, new float[] { -10.0f, 10.0f, 10.0f, 0.0f }, 0); gl.glLightfv(GL.GL_LIGHT2, GL.GL_POSITION, new float[] { 10.0f, -10.0f, 10.0f, 0.0f }, 0); @@ -65,295 +74,284 @@ public class MeshViewer extends Viewer { gl.glEnable(GL.GL_LIGHTING); gl.glEnable(GL.GL_LIGHT0); - //gl.glEnable(GL.GL_LIGHT1); - //gl.glEnable(GL.GL_LIGHT2); - //gl.glEnable(GL.GL_LIGHT3); - //gl.glEnable(GL.GL_LIGHT4); - //gl.glEnable(GL.GL_LIGHT5); - gl.glColorMaterial(GL.GL_FRONT_AND_BACK, GL.GL_AMBIENT_AND_DIFFUSE); gl.glEnable(GL.GL_COLOR_MATERIAL); display(gld); + + // hack to get around Mac OS bug + IntBuffer buf = ByteBuffer.allocateDirect(9*4*4).order(ByteOrder.nativeOrder()).asIntBuffer(); + gl.glReadPixels(0,0, 1, 1, gl.GL_RGB, gl.GL_UNSIGNED_BYTE, buf); } - */ - 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); + public synchronized final void display(GLAutoDrawable drawable) { + glcanvas.setSize(glcanvas.getParent().getWidth(), glcanvas.getParent().getHeight()); + + GL gl = glcanvas.getGL();//drawable.getGL(); GLU glu = new GLU(); + gl.glDrawBuffer(GL.GL_BACK); + + if (updateVisibilities) { + updateVisibilities = false; + // update vertex visibilities + updateVisibility(gl); + } + gl.glDrawBuffer(GL.GL_BACK); + + if (!mouseInside) gl.glClearColor(0.1f, 0.1f, 0.1f, 1.0f); + else gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f); + 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.glShadeModel(GL.GL_SMOOTH); + for(Mesh mesh : meshes) { + mesh.render(gl, Matrix.ONE); + if (main != null && main.whichNeighbor>0 && main.transforms!=null && !mesh.option_wireframe) { + mesh.option_wireframe = true; + mesh.render(gl, main.transforms[main.whichNeighbor-1]); + mesh.option_wireframe = false; + } + } + + // highlight the point closest to the mouse; we do this here to avoid flicker + if (closest != null) { + gl.glDisable(GL.GL_LIGHTING); + gl.glShadeModel(GL.GL_FLAT); + + if (drawEdge) { + for(Mesh.E e : (Iterable)closestEdge.getBoundPeers()) { + gl.glColor3f(0,1,0); + gl.glBegin(gl.GL_LINES); + e.glVertices(gl); + gl.glEnd(); + gl.glColor3f(1,0,0); + gl.glBegin(gl.GL_LINES); + e.pair.glVertices(gl); + gl.glEnd(); + } + /* + if (closestEdge != null) { + gl.glColor3f(1,1,0); + gl.glBegin(gl.GL_TRIANGLES); + Mesh.T t = closestEdge.t; + t.p1().glVertex(gl); + t.p2().glVertex(gl); + t.p3().glVertex(gl); + gl.glColor3f(0,1,1); + main.transforms[main.whichNeighbor-1].times(closestEdge.t.p1()).glVertex(gl); + main.transforms[main.whichNeighbor-1].times(closestEdge.t.p2()).glVertex(gl); + main.transforms[main.whichNeighbor-1].times(closestEdge.t.p3()).glVertex(gl); + System.out.println("t=" + +t.p1()+"\n " + +t.p2()+"\n " + +t.p3()+"\n " + ); + System.out.println("x=" + +main.transforms[main.whichNeighbor-1].times(t.p1())+"\n " + +main.transforms[main.whichNeighbor-1].times(t.p2())+"\n " + +main.transforms[main.whichNeighbor-1].times(t.p3())+"\n " + ); + gl.glEnd(); + } + */ + } + + if (closest.visible) { + gl.glDisable(GL.GL_DEPTH_TEST); + gl.glColor3f(1,1,0); + gl.glBegin(gl.GL_POINTS); + closest.getPoint().glVertex(gl); + gl.glColor3f(0.5f,0.5f,0); + for(Mesh.Vertex v : (Iterable)closest.getBoundPeers()) + if (v!=closest) + v.getPoint().glVertex(gl); + gl.glEnd(); + if (closest.getBindingConstraint() instanceof Plane) { + Plane p = (Plane)closest.getBindingConstraint(); + Vec v = p.norm(); + gl.glEnable(gl.GL_BLEND); + gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA); + gl.glColor4f(1,1,0,0.3f); + gl.glBegin(gl.GL_LINES); + closest.getPoint().glVertex(gl); + v.plus(closest.getPoint()).glVertex(gl); + closest.getPoint().glVertex(gl); + v.times(-1).plus(closest.getPoint()).glVertex(gl); + gl.glEnd(); + gl.glDisable(gl.GL_BLEND); + } - 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.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(); - */ + projection = Matrix.getProjectionMatrix(gl); + + if (updateClosest) { + updateClosest = false; + double dist = Double.MAX_VALUE; + double distE = Double.MAX_VALUE; + closest = null; + closestOriginallyAt = null; + closestEdge = null; + for(Mesh mesh : meshes) + if (mesh.option_selectable) + for(Mesh.Vertex v : mesh.vertices()) { + if (!v.visible) continue; + Point p = projection.times(v.getPoint()); + int x = (int)p.x; + int y = (int)p.y; + int mousex = (int)getMouse().x; + int mousey = (int)getMouse().y; + if (closest==null || (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey) < dist) { + dist = (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey); + closest = v; + } + for(Mesh.E e = v.e; e!=null; e=e.pair.next==v.e?null:e.pair.next) { + if (!e.v2.visible) continue; + Segment s = + new Segment(projection.times(e.v1.getPoint()), + projection.times(e.v2.getPoint())); + double dist2 = s.distance(getMouse()); + if (dist2 < distE) { + distE = dist2; + closestEdge = e; + } + } + } } + gl.glFlush(); + glcanvas.setAutoSwapBufferMode(false); + glcanvas.swapBuffers(); + } + protected synchronized void updateVisibility(GL 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.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.glColor3f(0,0,0); + for(Mesh mesh : meshes) mesh.render(gl, Matrix.ONE, true); + for(Mesh mesh : meshes) + if (mesh.option_selectable) + for(Mesh.Vertex v : mesh.vertices()) { + Point p = v.getPoint(); + Point projected = projection.times(p); + boolean vis = false; + + gl.glColor3f(1,1,1); 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.glFlush(); + + vis = false; + gl.glReadPixels((int)projected.x-1, (int)projected.y-1, 3, 3, gl.GL_RGB, gl.GL_UNSIGNED_BYTE, buf); + 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.glShadeModel(GL.GL_SMOOTH); gl.glEnable(GL.GL_LIGHTING); gl.glDrawBuffer(GL.GL_FRONT); } + /** return the position of the mouse as a point in window-space */ + public Point getMouse() { + return new Point(mousex, glcanvas.getHeight()-mousey, 0); + } - private void draw(GL gl, boolean triangles, Iterable tris) { draw(gl, triangles, tris, Matrix.ONE); } - private void draw(GL gl, boolean triangles, Iterable 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); - } + /** return the position where the mouse button was pressed, or null if it is not currently pressed */ + public Point getMouseClick() { + return clickPoint; + } - 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 void mouseWheelMoved(MouseWheelEvent e) { + tz -= e.getWheelRotation(); + } + + public void keyTyped(KeyEvent e) { } + public void keyPressed(KeyEvent e) { } + public void keyReleased(KeyEvent e) { } + + public void mouseClicked(MouseEvent e) { } + public void mouseEntered(MouseEvent e) { mouseInside = true; } + public void mouseExited(MouseEvent e) { mouseInside = false; } + public void mousePressed(MouseEvent e) { + clickPoint = getMouse(); + } + + public void mouseReleased(MouseEvent e) { + clickPoint = null; + } + + public void mouseMoved(MouseEvent e) { + mousex = e.getX(); + mousey = e.getY(); + + if ((e.getModifiersEx() & MouseEvent.SHIFT_DOWN_MASK) != 0) { + updateVisibilities = true; + drawEdge = true; + updateClosest = true; } } - 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); + public void mouseDragged(MouseEvent e) { + if ((e.getModifiersEx() & MouseEvent.SHIFT_DOWN_MASK) != 0) { + updateVisibilities = true; + drawEdge = true; + if (closest != null && projection != null) { + synchronized(this) { + if (closestOriginallyAt==null) closestOriginallyAt = closest.getPoint(); + Vec d1 = projection.inverse().times(getMouse()).minus(projection.inverse().times(clickPoint)); + Vec delta = d1.plus(closestOriginallyAt).minus(closest.getPoint()); + closest.move(delta, false); + } } - pw.println(" endloop"); - pw.println("endfacet"); + } else if ((e.getModifiersEx() & MouseEvent.CTRL_DOWN_MASK) != 0) { + // move edge + } else { + updateVisibilities = true; + anglex -= mousex - e.getX(); + angley += mousey - e.getY(); } - pw.println("endsolid dump"); - pw.flush(); - pw.close(); - } catch (Exception e) { throw new RuntimeException(e); } + mousex = e.getX(); + mousey = e.getY(); } - 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; - } + public MeshViewer() { + glcanvas = new GLCanvas(); + glcanvas.addGLEventListener(this); + setLayout(new BorderLayout()); + this.add(glcanvas, BorderLayout.CENTER); + glcanvas.addMouseListener(this); + glcanvas.addMouseMotionListener(this); + glcanvas.addMouseWheelListener(this); + glcanvas.addKeyListener(this); + } + + public void repaint() { + if (glcanvas != null) glcanvas.repaint(); } } \ No newline at end of file