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;
+/**
+ * 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<Mesh> meshes = new HashSet<Mesh>();
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);
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 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.glEnable(GL.GL_LIGHTING);
gl.glShadeModel(GL.GL_SMOOTH);
- for(Mesh mesh : meshes)
+ 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);
- gl.glColor3f(1,1,1);
- gl.glBegin(gl.GL_POINTS);
- closest.getPoint().glVertex(gl);
- gl.glEnd();
+
+ 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();
+ }
+ */
+ }
+
+ 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();
+
+ 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);
+ }
}
projection = Matrix.getProjectionMatrix(gl);
- if (updateVisibilities) {
- updateVisibilities = false;
- // update vertex visibilities
- updateVisibility(gl);
-
- //Matrix 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()) {
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) {
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);
- for(Mesh mesh : meshes) mesh.render(gl, Matrix.ONE);
+ 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();
-
- Point projected = projection.times(p);
+
+ vis = false;
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);
public void mouseMoved(MouseEvent e) {
mousex = e.getX();
mousey = e.getY();
- if ((e.getModifiersEx() & MouseEvent.SHIFT_DOWN_MASK) != 0)
+
+ 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) {
- Point clickClosest = closest == null ? null : closest.getPoint();
+ if (closestOriginallyAt==null) closestOriginallyAt = closest.getPoint();
Vec d1 = projection.inverse().times(getMouse()).minus(projection.inverse().times(clickPoint));
- Vec delta = d1.plus(clickClosest).minus(closest.getPoint());
+ 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();
}
projects / anneal.git / blobdiff