import javax.media.opengl.glu.*;
import java.util.*;
-// FEATURE: check google's 3D warehouse for sample shapes
+// FIXME: recenter goal to have centroid coincident with tile
+// FIXME: re-orient goal (how?)
+// fish case: ensure that spinal axis of fish is the x-axis of the tile
public class Main implements GLEventListener, MouseListener, MouseMotionListener, KeyListener, MouseWheelListener {
mousey = e.getY();
}
- private Geom geom = new Geom();
+ private Geom tile = new Geom();
+ private Geom goal = new Geom();
/** magnification factor */
private static final float MAG = 1;
- Geom.V[] translations;
+ Geom.M[] translations;
Geom.P[] points;
public Main(StlFile stlf) {
- Geom.P ltf = geom.newP(-0.2, 0.1, 0.1);
- Geom.P mtf = geom.newP( 0.0, 0.1, 0.1);
- Geom.P rtf = geom.newP( 0.2, 0.1, 0.1);
- Geom.P ltn = geom.newP(-0.2, 0.1, -0.1);
- Geom.P mtn = geom.newP( 0.0, 0.1, -0.1);
- Geom.P rtn = geom.newP( 0.2, 0.1, -0.1);
- Geom.P lbf = geom.newP(-0.2, -0.1, 0.1);
- Geom.P mbf = geom.newP( 0.0, -0.1, 0.1);
- Geom.P rbf = geom.newP( 0.2, -0.1, 0.1);
- Geom.P lbn = geom.newP(-0.2, -0.1, -0.1);
- Geom.P mbn = geom.newP( 0.0, -0.1, -0.1);
- Geom.P rbn = geom.newP( 0.2, -0.1, -0.1);
+ for(int i=0; i<stlf.coordArray.length; i+=3) {
+ Geom.P p0 = goal.newP(stlf.coordArray[i+0].x * MAG, stlf.coordArray[i+0].y * MAG, stlf.coordArray[i+0].z * MAG);
+ Geom.P p1 = goal.newP(stlf.coordArray[i+1].x * MAG, stlf.coordArray[i+1].y * MAG, stlf.coordArray[i+1].z * MAG);
+ Geom.P p2 = goal.newP(stlf.coordArray[i+2].x * MAG, stlf.coordArray[i+2].y * MAG, stlf.coordArray[i+2].z * MAG);
+ Geom.V n = goal.new V(stlf.normArray[i/3].x * MAG, stlf.normArray[i/3].y * MAG, stlf.normArray[i/3].z * MAG);
+ Geom.T t = goal.newT(p0, p1, p2, n);
+ }
+
+ // rotate to align major axis -- this probably needs to be done by a human.
+ goal.transform(goal.new M(goal.new V(0, 0, 1), (float)(Math.PI/2)));
+
+
+ float goal_width = goal.diagonal().dot(goal.new V(1, 0, 0));
+ float goal_height = goal.diagonal().dot(goal.new V(0, 1, 0));
+ float goal_depth = goal.diagonal().dot(goal.new V(0, 0, 1));
+
+ float width = (float)0.6;
+ float height = (float)0.08;
+ float depth = (float)0.3;
+ translations = new Geom.M[] {
+
+ tile.new M(tile.new V(-(width/2), height, 0)),
+ tile.new M(tile.new V( (width/2), height, 0)),
+ tile.new M(tile.new V(-(width/2), -height, 0)),
+ tile.new M(tile.new V( (width/2), -height, 0)),
+ tile.new M(tile.new V(-(width/2), 0, depth)),
+ tile.new M(tile.new V( (width/2), 0, depth)),
+ tile.new M(tile.new V(-(width/2), 0, -depth)),
+ tile.new M(tile.new V( (width/2), 0, -depth)),
+
+ tile.new M(tile.new V( width, 0, 0)),
+ tile.new M(tile.new V(-width, 0, 0)),
+ /*
+ tile.new M(tile.new V( 0, 0, depth)),
+ tile.new M(tile.new V( 0, 0, -depth)),
+ */
+ };
+
+
+ Geom.P ltf = tile.newP(-(width/2), (height/2), (depth/2));
+ Geom.P mtf = tile.newP( 0.0, (height/2), (depth/2));
+ Geom.P rtf = tile.newP( (width/2), (height/2), (depth/2));
+ Geom.P ltn = tile.newP(-(width/2), (height/2), -(depth/2));
+ Geom.P mtn = tile.newP( 0.0, (height/2), -(depth/2));
+ Geom.P rtn = tile.newP( (width/2), (height/2), -(depth/2));
+ Geom.P lbf = tile.newP(-(width/2), -(height/2), (depth/2));
+ Geom.P mbf = tile.newP( 0.0, -(height/2), (depth/2));
+ Geom.P rbf = tile.newP( (width/2), -(height/2), (depth/2));
+ Geom.P lbn = tile.newP(-(width/2), -(height/2), -(depth/2));
+ Geom.P mbn = tile.newP( 0.0, -(height/2), -(depth/2));
+ Geom.P rbn = tile.newP( (width/2), -(height/2), -(depth/2));
points = new Geom.P[] {
ltf,
rbn
};
- translations = new Geom.V[] {
- geom.new V(-0.2, 0.2, 0),
- geom.new V( 0.2, 0.2, 0),
- geom.new V(-0.2, -0.2, 0),
- geom.new V( 0.2, -0.2, 0),
- geom.new V( 0.4, 0, 0),
- geom.new V(-0.4, 0, 0),
- geom.new V( 0, 0, 0.2),
- geom.new V( 0, 0, -0.2),
- };
// top
- geom.newT(ltf, mtf, mtn);
- geom.newT(mtn, ltn, ltf);
- geom.newT(mtf, rtf, rtn);
- geom.newT(rtn, mtn, mtf);
+ tile.newT(ltf, mtf, mtn);
+ tile.newT(mtn, ltn, ltf);
+ tile.newT(mtf, rtf, rtn);
+ tile.newT(rtn, mtn, mtf);
// bottom (swap normals)
- geom.newT(mbf, lbf, mbn);
- geom.newT(lbn, mbn, lbf);
- geom.newT(rbf, mbf, rbn);
- geom.newT(mbn, rbn, mbf);
+ tile.newT(mbf, lbf, mbn);
+ tile.newT(lbn, mbn, lbf);
+ tile.newT(rbf, mbf, rbn);
+ tile.newT(mbn, rbn, mbf);
// left
- geom.newT(ltf, ltn, lbn);
- geom.newT(lbn, lbf, ltf);
+ tile.newT(ltf, ltn, lbn);
+ tile.newT(lbn, lbf, ltf);
// right (swap normals)
- geom.newT(rtn, rtf, rbn);
- geom.newT(rbf, rbn, rtf);
+ tile.newT(rtn, rtf, rbn);
+ tile.newT(rbf, rbn, rtf);
// front
- geom.newT(ltn, mtn, mbn);
- geom.newT(ltn, mbn, lbn);
- geom.newT(mtn, rtn, rbn);
- geom.newT(mtn, rbn, mbn);
+ tile.newT(ltn, mtn, mbn);
+ tile.newT(ltn, mbn, lbn);
+ tile.newT(mtn, rtn, rbn);
+ tile.newT(mtn, rbn, mbn);
// back
- geom.newT(mtf, ltf, mbf);
- geom.newT(mbf, ltf, lbf);
- geom.newT(rtf, mtf, rbf);
- geom.newT(rbf, mtf, mbf);
-
- for(Geom.V v : translations) {
- for(Geom.T t1 : geom) {
- for(Geom.T t2 : geom) {
+ tile.newT(mtf, ltf, mbf);
+ tile.newT(mbf, ltf, lbf);
+ tile.newT(rtf, mtf, rbf);
+ tile.newT(rbf, mtf, mbf);
+
+ for(Geom.M m : translations) {
+ for(Geom.T t1 : tile) {
+ for(Geom.T t2 : tile) {
if (t1==t2) continue;
- if ((t1.p1().plus(v).minus(t2.p1()).mag() < Geom.EPSILON) &&
- (t1.p2().plus(v).minus(t2.p3()).mag() < Geom.EPSILON) &&
- (t1.p3().plus(v).minus(t2.p2()).mag() < Geom.EPSILON)) {
+ if ((t1.p1().times(m).minus(t2.p1()).mag() < Geom.EPSILON) &&
+ (t1.p2().times(m).minus(t2.p3()).mag() < Geom.EPSILON) &&
+ (t1.p3().times(m).minus(t2.p2()).mag() < Geom.EPSILON)) {
t1.e1().bind(t2.e3().pair);
t1.e2().bind(t2.e2().pair);
t1.e3().bind(t2.e1().pair);
}
- if ((t1.p2().plus(v).minus(t2.p1()).mag() < Geom.EPSILON) &&
- (t1.p3().plus(v).minus(t2.p3()).mag() < Geom.EPSILON) &&
- (t1.p1().plus(v).minus(t2.p2()).mag() < Geom.EPSILON)) {
+ if ((t1.p2().times(m).minus(t2.p1()).mag() < Geom.EPSILON) &&
+ (t1.p3().times(m).minus(t2.p3()).mag() < Geom.EPSILON) &&
+ (t1.p1().times(m).minus(t2.p2()).mag() < Geom.EPSILON)) {
t1.e2().bind(t2.e3().pair);
t1.e3().bind(t2.e2().pair);
t1.e1().bind(t2.e1().pair);
}
- if ((t1.p3().plus(v).minus(t2.p1()).mag() < Geom.EPSILON) &&
- (t1.p1().plus(v).minus(t2.p3()).mag() < Geom.EPSILON) &&
- (t1.p2().plus(v).minus(t2.p2()).mag() < Geom.EPSILON)) {
+ if ((t1.p3().times(m).minus(t2.p1()).mag() < Geom.EPSILON) &&
+ (t1.p1().times(m).minus(t2.p3()).mag() < Geom.EPSILON) &&
+ (t1.p2().times(m).minus(t2.p2()).mag() < Geom.EPSILON)) {
t1.e3().bind(t2.e3().pair);
t1.e1().bind(t2.e2().pair);
t1.e2().bind(t2.e1().pair);
}
}
- Geom.P mid = ltn.getE(mbn).shatter();
+ //xGeom.P mid = lbf.getE(mbn).shatter();
+
+ // rescale to match volume
+ float factor = (float)Math.pow(tile.volume() / goal.volume(), 1.0/3.0);
+ goal.transform(goal.new M(factor));
+
+ // translate to match centroid
+ goal.transform(goal.new M(tile.centroid().minus(goal.centroid())));
//tx.e2.shatter();
//tx.e3.shatter();
- geom.bind();
+ tile.bind();
- mid.move(geom.new V((float)0,0,(float)-0.05));
- //ltn.move(geom.new V((float)0,0,(float)-0.05));
+ //mid.move(tile.new V((float)0,0,(float)-0.05));
+ //ltn.move(tile.new V((float)0,0,(float)-0.05));
- //mtf.move(geom.new V(0, (float)-0.05, (float)0.05));
- /*
- for(int i=0; i<100; i++) {
- rand();
- }
- */
+ //mtf.move(tile.new V(0, (float)-0.05, (float)0.05));
- /*
- for(int i=0; i<stlf.coordArray.length; i+=3) {
- Geom.P p0 = geom.newP(stlf.coordArray[i+0].x * MAG, stlf.coordArray[i+0].y * MAG, stlf.coordArray[i+0].z * MAG);
- Geom.P p1 = geom.newP(stlf.coordArray[i+1].x * MAG, stlf.coordArray[i+1].y * MAG, stlf.coordArray[i+1].z * MAG);
- Geom.P p2 = geom.newP(stlf.coordArray[i+2].x * MAG, stlf.coordArray[i+2].y * MAG, stlf.coordArray[i+2].z * MAG);
- Geom.V n = geom.new V(stlf.normArray[i/3].x * MAG, stlf.normArray[i/3].y * MAG, stlf.normArray[i/3].z * MAG);
- Geom.T t = geom.newT(p0, p1, p2, n);
- }
- */
-
+ System.out.println("tile volume: " + tile.volume());
+ System.out.println("goal volume: " + goal.volume());
+ tile.score_against = goal;
+ goal.score_against = tile;
}
Random random = new Random();
public synchronized void breakit() {
- int i = Math.abs(random.nextInt()) % geom.es.size();
- Geom.E e = geom.es.poll();
- System.out.println("shatter " + e);
- e.shatter();
- geom.unbind();
- geom.bind();
+ if (verts > 40) return;
+ //double min = (tile.avgedge/tile.numedges)*(1+(4/(double)verts));
+ //if (verts>0 && tile.es.peek().length() < min) return;
+ PriorityQueue<Geom.E> es = new PriorityQueue<Geom.E>();
+ for(Geom.E e : tile.es) es.add(e);
+ for(int i=0; i<1; i++) {
+ Geom.E e = es.poll();
+ verts++;
+ System.out.println("shatter " + e);
+ e.shatter();
+ tile.unbind();
+ tile.bind();
+ }
}
- public synchronized void rand() {
- for(int i=0; i<10; i++) {
- Geom.P p = geom.ts.get(Math.abs(random.nextInt()) % geom.ts.size()).e1().p1;
- float r1 = Math.abs(random.nextFloat());
- r1 = r1 - (float)Math.floor(r1);
- r1 = r1 * (float)0.01;
- r1 = r1 - (float)0.005;
- switch(Math.abs(random.nextInt()) % 3) {
- case 0: p.move(geom.new V((float)0, (float)r1, (float)0)); break;
- case 1: p.move(geom.new V((float)r1, (float)0, (float)0)); break;
- case 2: p.move(geom.new V((float)0, (float)0, (float)r1)); break;
+
+ public synchronized void rand(double temperature, Geom.P p) {
+ double tile_score = tile.score();
+ double goal_score = goal.score();
+
+ p.rescore();
+ //if (p.watch==null) return;
+ float r1 = Math.abs(random.nextFloat());
+ r1 = r1 - (float)Math.floor(r1);
+ r1 = r1 * (float)0.01;
+ r1 = r1 - (float)0.005;
+ Geom.V v = p.watchback().minus(p).norm().times(r1);
+
+ //v = p.norm().times(v.dot(p.norm()));
+
+ boolean aspect = false;//(Math.abs(random.nextInt()) % 100) <= 2;
+ Geom.M old_tile_aspect = goal.aspect;
+ boolean good = true;
+ if (aspect) {
+ v = v.times(10);
+ tile.aspect = tile.new M(tile.aspect.a / (v.x+1), tile.aspect.f / (v.y+1), tile.aspect.k / (v.z+1));
+ tile.invaspect = tile.new M(1/tile.aspect.a, 1/tile.aspect.f, 1/tile.aspect.k);
+ goal.rescore();
+ tile.rescore();
+ } else {
+ good = p.move(v);
+ }
+ double new_tile_score = tile.score();
+ double new_goal_score = goal.score();
+ double tile_delta = new_tile_score - tile_score;
+ double goal_delta = new_goal_score - goal_score;
+ double delta = tile_delta + goal_delta;
+ double swapProbability = Math.exp((-1 * delta) / temperature);
+ //boolean doSwap = Math.random() < swapProbability;
+ boolean doSwap = good && (tile_delta <= 0 && goal_delta <= 0);
+ if (doSwap) {
+ tile_score = new_tile_score;
+ goal_score = new_goal_score;
+ //System.out.println("score: " + tile_score + " / " + goal_score);
+ if (aspect) System.out.println("aspect " + v);
+ } else {
+ if (aspect) {
+ tile.aspect = old_tile_aspect;
+ tile.invaspect = tile.new M(1/tile.aspect.a, 1/tile.aspect.f, 1/tile.aspect.k);
+ goal.rescore();
+ tile.rescore();
+ } else {
+ p.move(v.times(-1));
}
}
}
GL gl = gld.getGL();
gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
gl.glViewport(0, 0, 500, 300);
- gl.glMatrixMode(GL.GL_PROJECTION);
gl.glEnable(GL.GL_DEPTH_TEST);
gl.glClearDepth(1.0);
gl.glDepthFunc(GL.GL_LEQUAL);
+ gl.glMatrixMode(GL.GL_PROJECTION);
gl.glLoadIdentity();
- //glu.gluOrtho2D(0.0, 500.0, 0.0, 300.0);
+ gl.glMatrixMode(GL.GL_MODELVIEW);
display(gld);
}
gl.glRotatef(angley/3, 1, 0, 0);
gl.glBegin(GL.GL_TRIANGLES);
- draw(gl, true);
+ draw(gl, true, tile);
gl.glEnd();
- for(Geom.V v1 : translations) {
- if (v1.z==0 && v1.y==0) continue;
- Geom.V v = v1.times((float)1.1);
+ 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(Geom.M m : translations) {
+ //if (v1.z==0 && v1.y==0) continue;
+ i++;
+ if (i != 1 /*&& i!=4*/) continue;
+ Geom.P p = tile.newP(0, 0, 0).times(m);
+ Geom.V v = tile.new V(p.x, p.y, p.z);
+ v = v.times((float)1.04);
gl.glTranslatef(v.x, v.y, v.z);
- draw(gl, false);
+ draw(gl, false, tile);
gl.glTranslatef(-v.x, -v.y, -v.z);
- break;
}
-
+ //gl.glEnable(GL.GL_DEPTH_TEST);
}
- private synchronized void draw(GL gl, boolean triangles) {
+ private synchronized void draw(GL gl, boolean triangles, Geom mesh) {
float red = 0.0f;
float green = 0.0f;
float blue = 0.0f;
- for(Geom.T t : geom) {
+ for(Geom.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;
- gl.glColor3f(red, green, blue);
- switch(t.color) {
- case 0: gl.glColor3f((float)0.25, (float)0.25, (float)0.75); break;
- case 1: gl.glColor3f((float)0.25, (float)0.75, (float)0.25); break;
- case 2: gl.glColor3f((float)0.75, (float)0.25, (float)0.25); break;
- case 3: gl.glColor3f((float)0.50, (float)0.50, (float)0.50); break;
+
+ 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);
centroid.glVertex(gl);
centroid.plus(t.norm().times(t.diameter())).glVertex(gl);
*/
- /*
- t.p1().glVertex(gl);
- t.p1().plus(t.p1().norm().times(t.diameter())).glVertex(gl);
- t.p2().glVertex(gl);
- t.p2().plus(t.p2().norm().times(t.diameter())).glVertex(gl);
- t.p3().glVertex(gl);
- t.p3().plus(t.p3().norm().times(t.diameter())).glVertex(gl);
- */
+
+ if (mesh==goal)
+ for(Geom.P p : new Geom.P[] { t.p1(), t.p2(), t.p3() }) {
+ p.glVertex(gl);
+ //p.plus(p.norm().times(p.score()*10)).glVertex(gl);
+ p.partner().glVertex(gl);
+ //tile.nearest(p).centroid().glVertex(gl);
+ }
+
gl.glEnd();
}
public static void main(String[] s) throws Exception {
StlFile stlf = new StlFile();
- stlf.load("teapot.stl");
+ stlf.load("simplefish.stl");
Main main = new Main(stlf);
Frame f = new Frame();
GLCapabilities glcaps = new GLCapabilities();
glcanvas.addMouseWheelListener(main);
glcanvas.addKeyListener(main);
- int i = 0;
+ main.anneal(glcanvas);
+ }
+ public static int verts = 0;
+ public void anneal(GLCanvas glcanvas) throws Exception {
+ int verts = 0;
while(true) {
- Thread.sleep(10);
- glcanvas.repaint();
- main.rand();
- if (i++>10) { main.breakit(); i = 0; }
+ //Thread.sleep(10);
+ for(int i=0; i<1; i++) {
+ glcanvas.repaint();
+ //tile.ts.get(Math.abs(random.nextInt()) % tile.ts.size()).e1().p1
+ for(Geom.T t : tile)
+ for(Geom.P p : new Geom.P[] { t.p1(), t.p2(), t.p3() }) {
+ rand(10,p);
+ }
+ goal.rescore();
+ tile.rescore();
+ }
+ breakit();
}
}