+package edu.berkeley.qfat;
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import javax.media.opengl.*;
+import javax.media.opengl.glu.*;
+import java.util.*;
+import edu.berkeley.qfat.geom.*;
+import edu.berkeley.qfat.geom.Point;
+
+public class MeshViewer implements GLEventListener, MouseListener, MouseMotionListener, KeyListener, MouseWheelListener {
+
+ public Mesh tile = new Mesh();
+ public Mesh goal = new Mesh();
+ public Matrix[] translations;
+ public Mesh.Vert[] points;
+
+
+ boolean alt = false;
+ boolean shift = false;
+ boolean control = false;
+
+ public void mouseWheelMoved(MouseWheelEvent e) {
+ tz -= e.getWheelRotation();
+ }
+
+ 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;
+ }
+ }
+ 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 void mouseClicked(MouseEvent e) { }
+ public void mouseEntered(MouseEvent e) { }
+ public void mouseExited(MouseEvent e) { }
+ public void mousePressed(MouseEvent e) { }
+ public void mouseReleased(MouseEvent e) { }
+
+ int mousex;
+ int mousey;
+ public void mouseMoved(MouseEvent e) {
+ mousex = e.getX();
+ mousey = e.getY();
+ }
+
+ 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();
+ }
+
+ /**
+ * 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);
+ gl.glClearDepth(1.0);
+ gl.glDepthFunc(GL.GL_LEQUAL);
+ gl.glMatrixMode(GL.GL_PROJECTION);
+ gl.glLoadIdentity();
+ gl.glMatrixMode(GL.GL_MODELVIEW);
+ display(gld);
+ }
+
+ public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
+ public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { }
+ public synchronized void display(GLAutoDrawable drawable) {
+ GL gl = drawable.getGL();
+ 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-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);
+ gl.glRotatef(anglex/3, 0, 1, 0);
+ gl.glRotatef(angley/3, 1, 0, 0);
+
+ gl.glBegin(GL.GL_TRIANGLES);
+ draw(gl, true, tile);
+ gl.glEnd();
+
+ gl.glBegin(GL.GL_TRIANGLES);
+ gl.glColor4f((float)0.5, (float)0.5, (float)0.5, (float)0.8);
+ //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 != 1 /*&& 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.glEnable(GL.GL_DEPTH_TEST);
+ }
+
+ private synchronized 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.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;
+ }
+ //gl.glBegin(GL.GL_LINES);
+
+ if (triangles) {
+ gl.glBegin(GL.GL_TRIANGLES);
+ t.glVertices(gl);
+ gl.glEnd();
+ } else {
+ gl.glBegin(GL.GL_LINES);
+ 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);
+ gl.glEnd();
+ }
+
+ 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() }) {
+ p.p.glVertex(gl);
+ //p.plus(p.norm().times(p.score()*10)).glVertex(gl);
+ //p.partner().p.glVertex(gl);
+ //tile.nearest(p).centroid().glVertex(gl);
+ }
+
+ gl.glEnd();
+
+ }
+ }
+
+ private GLCanvas glcanvas;
+ public MeshViewer(Frame f) {
+ GLCapabilities glcaps = new GLCapabilities();
+ glcanvas = new GLCanvas();
+ glcanvas.addGLEventListener(this);
+ f.add(glcanvas, BorderLayout.CENTER);
+ f.pack();
+ f.show();
+ f.setSize(900, 900);
+ f.doLayout();
+ glcanvas.addMouseListener(this);
+ glcanvas.addMouseMotionListener(this);
+ glcanvas.addMouseWheelListener(this);
+ glcanvas.addKeyListener(this);
+ }
+ public void repaint() {
+ glcanvas.repaint();
+ }
+}
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