package edu.berkeley.qfat;
import java.io.*;
+import java.nio.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
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 implements GLEventListener, MouseListener, MouseMotionListener, KeyListener, MouseWheelListener {
+/**
+ * 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 {
- public Mesh tile = new Mesh();
- public Mesh goal = new Mesh();
- public Matrix[] translations;
- public Mesh.Vert[] points;
+ Main main;
+ private float tz = 0;
+ private float anglex = 0;
+ private float angley = 0;
- public boolean tileon = false;
- public boolean tilemeshon = false;
- public boolean goalon = true;
- public boolean anneal = false;
+ boolean drawEdge = false;
- public boolean breaks = false;
- boolean alt = false;
- boolean shift = false;
- boolean control = 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;
- public void mouseWheelMoved(MouseWheelEvent e) {
- tz -= e.getWheelRotation();
- }
+ private HashSet<Mesh> meshes = new HashSet<Mesh>();
- public void keyTyped(KeyEvent e) { }
- public void keyPressed(KeyEvent e) {
- switch(e.getKeyCode()) {
- case KeyEvent.VK_CONTROL: control = true; break;
- case KeyEvent.VK_ALT: alt = true; break;
- case KeyEvent.VK_SHIFT: shift = true; break;
- case KeyEvent.VK_SPACE: breaks = true; break;
- case KeyEvent.VK_D: dump(); break;
- case KeyEvent.VK_A: anneal = !anneal; break;
- case KeyEvent.VK_T: tileon = !tileon; break;
- case KeyEvent.VK_G: goalon = !goalon; break;
- case KeyEvent.VK_M: tilemeshon = !tilemeshon; break;
- }
- }
- 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.Vert v : new Mesh.Vert[] { 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 keyReleased(KeyEvent e) {
- switch(e.getKeyCode()) {
- case KeyEvent.VK_CONTROL: control = false; break;
- case KeyEvent.VK_ALT: alt = false; break;
- case KeyEvent.VK_SHIFT: shift = false; break;
- }
- }
+ public synchronized void addMesh(Mesh m) { meshes.add(m); }
+ public synchronized void removeMesh(Mesh m) { meshes.remove(m); }
- public void mouseClicked(MouseEvent e) { }
- public void mouseEntered(MouseEvent e) { }
- public void mouseExited(MouseEvent e) { }
- public void mousePressed(MouseEvent e) { }
- public void mouseReleased(MouseEvent e) { }
+ public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
+ public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { }
- int mousex;
- int mousey;
- public void mouseMoved(MouseEvent e) {
- mousex = e.getX();
- mousey = e.getY();
- }
+ public void addKeyListener(KeyListener kl) { glcanvas.addKeyListener(kl); }
- float tx = 0;
- float ty = 0;
- float tz = 0;
- float anglex = 0;
- float angley = 0;
- public void mouseDragged(MouseEvent e) {
- if (shift) {
- tx += (mousex - e.getX())/(float)20;
- ty += (mousey - e.getY())/(float)20;
- } else {
- anglex -= mousex - e.getX();
- angley += mousey - e.getY();
- }
- mousex = e.getX();
- mousey = e.getY();
- }
+ public synchronized void init(GLAutoDrawable gld) {
+ GL gl = glcanvas.getGL();//gld.getGL();
+
+ gl.glEnable(gl.GL_DOUBLEBUFFER);
- /**
- * Take care of initialization here.
- */
- public void init(GLAutoDrawable gld) {
- GL gl = gld.getGL();
gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
gl.glViewport(0, 0, 500, 300);
gl.glEnable(GL.GL_DEPTH_TEST);
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);
- gl.glLightfv(GL.GL_LIGHT3, GL.GL_POSITION, new float[] { 10.0f, 10.0f, -10.0f, 0.0f }, 0);
- gl.glLightfv(GL.GL_LIGHT4, GL.GL_POSITION, new float[] { -10.0f, 10.0f, -10.0f, 0.0f }, 0);
- gl.glLightfv(GL.GL_LIGHT5, GL.GL_POSITION, new float[] { 10.0f, -10.0f, -10.0f, 0.0f }, 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);
+ gl.glLightfv(GL.GL_LIGHT3, GL.GL_POSITION, new float[] { 10.0f, 10.0f, -10.0f, 0.0f }, 0);
+ gl.glLightfv(GL.GL_LIGHT4, GL.GL_POSITION, new float[] { -10.0f, 10.0f, -10.0f, 0.0f }, 0);
+ gl.glLightfv(GL.GL_LIGHT5, GL.GL_POSITION, new float[] { 10.0f, -10.0f, -10.0f, 0.0f }, 0);
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 int temps;
- public int accepts;
- public int vertss;
- public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
- public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { }
- public void display(GLAutoDrawable drawable) {
- if (translations==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()-100;
- 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);
-
- GL gl = drawable.getGL();
+ 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-tz, ((float)drawable.getWidth())/drawable.getHeight(), 0.5, 10);
- glu.gluLookAt(0, 0, -1, 0, 0, 0, 0, 1, 0);
- gl.glTranslatef(tx/(float)20, ty/(float)20, 0);
+ 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.glBegin(GL.GL_TRIANGLES);
- if (tileon)
- draw(gl, true, tile);
- if (tilemeshon)
- draw(gl, false, tile);
- 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 : translations) {
- //if (v1.z==0 && v1.y==0) continue;
- i++;
- //if (i != 7 && 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);
- //draw(gl, false, tile);
- gl.glTranslatef(-v.x, -v.y, -v.z);
+ gl.glRotatef(-(angley/3), 1, 0, 0);
+
+ 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;
+ }
}
- //gl.glEnable(GL.GL_DEPTH_TEST);
- gl.glEnable (GL.GL_LIGHTING);
- }
- private void draw(GL gl, boolean triangles, Mesh mesh) {
- float red = 0.0f;
- float green = 0.0f;
- float blue = 0.0f;
- for(Mesh.T t : mesh) {
- 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.colorclass) {
- 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;
+ // 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<Mesh.E>)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();
+ }
+ */
}
- gl.glColor4f((float)0.75, (float)0.25, (float)0.25, (float)0.3);
- //gl.glBegin(GL.GL_LINES);
- if (triangles) {
- gl.glBegin(GL.GL_TRIANGLES);
- t.glVertices(gl);
- gl.glEnd();
- } else {
-
- gl.glDisable(GL.GL_LIGHTING);
- gl.glBegin(GL.GL_LINES);
- gl.glColor3f(1, 1, 1);
- t.e1().p1.p.glVertex(gl);
- t.e1().p2.p.glVertex(gl);
- t.e2().p1.p.glVertex(gl);
- t.e2().p2.p.glVertex(gl);
- t.e3().p1.p.glVertex(gl);
- t.e3().p2.p.glVertex(gl);
+ 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<Mesh.Vertex>)closest.getBoundPeers())
+ if (v!=closest)
+ v.getPoint().glVertex(gl);
gl.glEnd();
- gl.glEnable(GL.GL_LIGHTING);
+ 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.glEnable(GL.GL_DEPTH_TEST);
}
+ }
- Point centroid = t.centroid();
- gl.glBegin(GL.GL_LINES);
- gl.glColor3f(1, 1, 1);
- /*
- centroid.glVertex(gl);
- centroid.plus(t.norm().times(t.diameter())).glVertex(gl);
- */
- /*
- if (mesh==goal)
- for(Mesh.Vert p : new Mesh.Vert[] { t.v1(), t.v2(), t.v3() }) {
- 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(p.score())).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);
+ 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.glFlush();
+ gl.glDisable(GL.GL_LIGHTING);
+ gl.glShadeModel(GL.GL_FLAT);
+ gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+ 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();
+ 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.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);
+ }
+
+ /** return the position where the mouse button was pressed, or null if it is not currently pressed */
+ public Point getMouseClick() {
+ return clickPoint;
+ }
+
+ 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 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);
+ }
+ }
+ } else if ((e.getModifiersEx() & MouseEvent.CTRL_DOWN_MASK) != 0) {
+ // move edge
+ } else {
+ updateVisibilities = true;
+ anglex -= mousex - e.getX();
+ angley += mousey - e.getY();
+ }
+ mousex = e.getX();
+ mousey = e.getY();
+ }
- //private JTextArea ocanvas = new JTextArea();
- private Frame f;
- private GLCanvas glcanvas;
- public MeshViewer(Frame f) {
- this.f = f;
- GLCapabilities glcaps = new GLCapabilities();
+ public MeshViewer() {
glcanvas = new GLCanvas();
glcanvas.addGLEventListener(this);
- f.add(glcanvas, BorderLayout.CENTER);
+ setLayout(new BorderLayout());
+ this.add(glcanvas, BorderLayout.CENTER);
glcanvas.addMouseListener(this);
glcanvas.addMouseMotionListener(this);
glcanvas.addMouseWheelListener(this);
glcanvas.addKeyListener(this);
}
+
public void repaint() {
- glcanvas.repaint();
+ if (glcanvas != null) glcanvas.repaint();
}
+
}
\ No newline at end of file