X-Git-Url: http://git.megacz.com/?p=anneal.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fqfat%2FMeshViewer.java;h=2fe420029c4d0861122046da0a5950979cb671c7;hp=c6318a485fa862a9189d28742f9e75190f6964d7;hb=489c7122bf2f358c50588599e54bf38cfd62d5b3;hpb=73b0cf56187b84c66719ba67bc638c9a5bb38b42 diff --git a/src/edu/berkeley/qfat/MeshViewer.java b/src/edu/berkeley/qfat/MeshViewer.java index c6318a4..2fe4200 100644 --- a/src/edu/berkeley/qfat/MeshViewer.java +++ b/src/edu/berkeley/qfat/MeshViewer.java @@ -8,35 +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 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 { - Mesh.Vertex closest = null; + Main main; - private HashSet meshes = new HashSet(); - public synchronized void addMesh(Mesh m) { meshes.add(m); } - public synchronized void removeMesh(Mesh m) { meshes.remove(m); } + private float tz = 0; + private float anglex = 0; + private float angley = 0; - private int mousex; - private int mousey; - private Matrix projection = null; - private Point clickPoint = null; + boolean drawEdge = false; - GLCanvas glcanvas; + 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; - Point clickClosest = null; + private HashSet meshes = new HashSet(); - float tz = 0; - float anglex = 0; - float angley = 0; + 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 = gld.getGL(); + 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); @@ -49,10 +65,6 @@ public class MeshViewer implements GLEventListener, MouseListener, MouseMotionLi 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); @@ -66,13 +78,29 @@ public class MeshViewer implements GLEventListener, MouseListener, MouseMotionLi 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 synchronized final void display(GLAutoDrawable drawable) { - GL gl = drawable.getGL(); - glcanvas.setSize(glcanvas.getParent().getWidth(), glcanvas.getParent().getHeight() - 100); + 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(); @@ -82,47 +110,131 @@ public class MeshViewer implements GLEventListener, MouseListener, MouseMotionLi gl.glRotatef(anglex/3, 0, 1, 0); gl.glRotatef(-(angley/3), 1, 0, 0); - for(Mesh mesh : meshes) + 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 - 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(); - } - - // update vertex visibilities - // FIXME: only do this when we switch into vertex-finding mode - updateVisibility(gl); + 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(); + } + */ + } - Matrix projection = Matrix.getProjectionMatrix(gl); - double dist = Double.MAX_VALUE; - if (getMouseClick() != null) return; - closest = 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; - } + 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.glEnable(GL.GL_DEPTH_TEST); + } + } + 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) { - Matrix projection = Matrix.getProjectionMatrix(gl); IntBuffer buf = ByteBuffer.allocateDirect(9*4*4).order(ByteOrder.nativeOrder()).asIntBuffer(); gl.glFlush(); gl.glDrawBuffer(GL.GL_BACK); @@ -131,24 +243,26 @@ public class MeshViewer implements GLEventListener, MouseListener, MouseMotionLi 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); @@ -181,33 +295,43 @@ public class MeshViewer implements GLEventListener, MouseListener, MouseMotionLi public void keyReleased(KeyEvent e) { } public void mouseClicked(MouseEvent e) { } - public void mouseEntered(MouseEvent e) { } - public void mouseExited(MouseEvent e) { } + public void mouseEntered(MouseEvent e) { mouseInside = true; } + public void mouseExited(MouseEvent e) { mouseInside = false; } public void mousePressed(MouseEvent e) { clickPoint = getMouse(); - clickClosest = closest == null ? null : closest.getPoint(); } public void mouseReleased(MouseEvent e) { clickPoint = null; - clickClosest = 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) { - if (closest != null && projection != null && clickClosest != null) { + 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(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(); } @@ -215,10 +339,11 @@ public class MeshViewer implements GLEventListener, MouseListener, MouseMotionLi mousey = e.getY(); } - public MeshViewer(JFrame f) { + 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); @@ -226,7 +351,7 @@ public class MeshViewer implements GLEventListener, MouseListener, MouseMotionLi } public void repaint() { - glcanvas.repaint(); + if (glcanvas != null) glcanvas.repaint(); } } \ No newline at end of file