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Viewing changes to hacks/apollonian.c

  • Committer: Mathieu Trudel-Lapierre
  • Date: 2011-12-21 15:57:35 UTC
  • mfrom: (1.1.13 upstream)
  • Revision ID: mathieu@canonical.com-20111221155735-m43kxy7824n1p36y
Merging shared upstream rev into target branch.

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hacks/apollonian.c
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#define BIG 7
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static void
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f(ModeInfo *mi, circle c1, circle c2, circle c3, circle c4)
 
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f(ModeInfo *mi, circle c1, circle c2, circle c3, circle c4, int depth)
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{
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        apollonianstruct *cp = &apollonians[MI_SCREEN(mi)];
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        int e = (int) ((cp->c1.e >= 0.0) ? 1.0 : -cp->c1.e);
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        circle c;
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        if (depth > mi->recursion_depth) mi->recursion_depth = depth;
 
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        c.e = 2*(c1.e+c2.e+c3.e) - c4.e;
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        c.s = 2*(c1.s+c2.s+c3.s) - c4.s;
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        c.h = 2*(c1.h+c2.h+c3.h) - c4.h;
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            c.x / c.e < -BIG || c.y / c.e < -BIG)
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                return;
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        p(mi, c);
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        f(mi, c2, c3, c, c1);
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        f(mi, c1, c3, c, c2);
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        f(mi, c1, c2, c, c3);
 
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        f(mi, c2, c3, c, c1, depth+1);
 
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        f(mi, c1, c3, c, c2, depth+1);
 
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        f(mi, c1, c2, c, c3, depth+1);
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}
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ENTRYPOINT void
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        randomize_c(i, &(cp->c3));
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        randomize_c(i, &(cp->c4));
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#endif 
 
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    mi->recursion_depth = -1;
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}
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ENTRYPOINT void
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                        p(mi, cp->c4);
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                        break;
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                case 1:
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                        f(mi, cp->c1, cp->c2, cp->c3, cp->c4);
 
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                        f(mi, cp->c1, cp->c2, cp->c3, cp->c4, 0);
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                        break;
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                case 2:
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                        f(mi, cp->c1, cp->c2, cp->c4, cp->c3);
 
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                        f(mi, cp->c1, cp->c2, cp->c4, cp->c3, 0);
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                        break;
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                case 3:
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                        f(mi, cp->c1, cp->c3, cp->c4, cp->c2);
 
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                        f(mi, cp->c1, cp->c3, cp->c4, cp->c2, 0);
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                        break;
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                case 4:
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                        f(mi, cp->c2, cp->c3, cp->c4, cp->c1);
 
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                        f(mi, cp->c2, cp->c3, cp->c4, cp->c1, 0);
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                }
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        }
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        if (++cp->time > MI_CYCLES(mi))