1 // -*- compile-command:"g++ -lX11 -Wall -g -O3 -o mash misc.o universe.o polygon.o mash.cc xfig_tracer.o -L/usr/X11R6/lib/"; -*-
17 int main(int argc, char **argv) {
19 int w = 1000, h = 1000;
20 Universe universe(nb_heur + 1, w, h);
24 scalar_t xs[nb], ys[nb];
25 for(int k = 0; k < nb; k++) {
26 scalar_t alpha, radius;
28 alpha = - (M_PI / scalar_t(nb/2)) * k;
31 alpha = - (M_PI / scalar_t(nb/2)) * (nb - k - 1);
34 xs[k] = scalar_t(w)/2 + radius * cos(-alpha);
35 ys[k] = scalar_t(h)/2 + radius * sin(-alpha);
38 p = new Polygon(1.0, 0.5, 0.5, 0.5, xs, ys, nb);
39 p->set_position(scalar_t(w/2), scalar_t(h) * 0.75, 0);
40 p->set_speed(0, 0, 0);
41 universe.initialize(p);
42 universe.add_polygon(p);
45 Polygon *blocks[nb_heur];
47 for(int i = 0; i < nb_heur; i++) {
49 int nb_max_edges = 10;
50 int xt[nb_max_edges * nb_max_edges], yt[nb_max_edges * nb_max_edges];
51 int used[nb_max_edges * nb_max_edges];
55 for(int k = 0; k < nb_max_edges * nb_max_edges; k++) {
59 while(!used[x + nb_max_edges * y]) {
60 used[x + nb_max_edges * y] = 1;
63 switch(int(drand48() * 4)) {
71 else if(x >= nb_max_edges) x = nb_max_edges-1;
73 else if(y >= nb_max_edges) y = nb_max_edges-1;
75 fail = (n < 10) || (x != 0) || (y != 0);
78 scalar_t xs[nb_max_edges], ys[nb_max_edges];
80 for(int l = 0; l < n; l++) {
81 int pl = (l + n - 1)%n, nl = (l + 1)%n;
82 if(xt[nl] - xt[l] != xt[l] - xt[pl] || yt[nl] - yt[l] != yt[l] - yt[pl]) {
83 xs[nb_edges] = scalar_t(xt[l]) * 25;
84 ys[nb_edges] = scalar_t(yt[l]) * 25;
89 cout << "n = " << n << " nb_edges = " << nb_edges << endl;
91 blocks[i] = new Polygon(1.0, 1.0, 1.0, 0.0, xs, ys, nb_edges);
93 blocks[i]->set_position(drand48() * w/2 + w/4, drand48() * h/2 + h/4, M_PI * drand48());
94 blocks[i]->set_speed(0, 0, 0);
95 // universe.initialize(blocks[i]);
96 for(int j = 0; j < i + 1; j++) {
97 universe.initialize(blocks[j]);
99 } while(universe.collide(blocks[i]));
100 universe.add_polygon(blocks[i]);
101 cout << "added " << i+1 << " blocks." << endl;
106 for(int n = 0; n < 100000; n++) {
107 for(int i = 0; i < nb_heur; i++) {
108 blocks[i]->apply_force(dt, blocks[i]->_center_x, blocks[i]->_center_y, 0, 0.25);
113 sprintf(buffer, "/tmp/mash_%06d.fig", n);
114 XFigTracer tracer(buffer);
115 universe.print_fig(&tracer);
116 cout << "Wrote " << buffer << endl;
120 XFigTracer tracer("/tmp/mash.fig");
121 universe.print_fig(&tracer);