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Done with 77. Will pick and choose the rest.

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Erik Reckase 2011-05-05 18:09:23 -06:00
parent ec01cbfc43
commit 7d46b0d1db
1 changed files with 81 additions and 0 deletions
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81
cuburn/code/variations.py
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@ -765,4 +765,85 @@ var(69, 'oscope', """
oy += w*ty;
""")
var(70, 'polar2', """
float p2v = w / M_PI;
ox += p2v * atan2f(x,y);
oy += 0.5f * p2v * logf(tx*tx + ty*ty);
""")
var(71, 'popcorn2', """
float c = {{px.get('xf.popcorn2_c')}};
ox += w * (tx + {{px.get('xf.popcorn2_x')}} * sinf(tanf(ty*c)));
oy += w * (ty + {{px.get('xf.popcorn2_y')}} * sinf(tanf(tx*c)));
""")
var(72, 'scry', """
/* note that scry does not multiply by weight, but as the */
/* values still approach 0 as the weight approaches 0, it */
/* should be ok */
float t = tx*tx + ty*ty;
float r = 1.0f / (sqrtf(t) * (t + 1.0f/w));
ox += tx*r;
oy += ty*r;
""")
var(73, 'separation', """
float sx2 = {{px.get('xf.separation_x * xf.separation_x', 'sx2')}};
float sy2 = {{px.get('xf.separation_y * xf.separation_y', 'sy2')}};
if (tx > 0.0f)
ox += w * (sqrtf(tx*tx + sx2) - tx*{{ps.get('xf.separation_xinside')}});
else
ox -= w * (sqrtf(tx*tx + sx2) + tx*{{ps.get('xf.separation_xinside')}});
if (ty > 0.0f)
oy += w * (sqrtf(ty*ty + sy2) - ty*{{ps.get('xf.separation_yinside')}});
else
oy -= w * (sqrtf(ty*ty + sy2) + ty*{{ps.get('xf.separation_yinside')}});
""")
var(74, 'split', """
if (cosf(tx*{{px.get('xf.split_xsize')}}*M_PI) >= 0.0f)
oy += w*ty;
else
oy -= w*ty;
if (cosf(ty*{{px.get('xf.split_ysize')}}*M_PI) >= 0.0f)
ox += w*tx;
else
ox -= w*tx;
""")
var(75, 'splits', """
if (tx >= 0.0f)
ox += w*(tx + {{ps.get('xf.splits_x')}});
else
ox += w*(tx - {{ps.get('xf.splits_x')}});
if (f->ty >= 0)
oy += w*(ty + {{ps.get('xf.splits_y')}});
else
oy += w*(ty - {{ps.get('xf.splits_y')}});
""")
var(76, 'stripes', """
float roundx = floorf(tx + 0.5f);
float offsetx = tx - roundx;
ox += w * (offsetx * (1.0f - {{ps.get('xf.stripes_space')}}) + roundx);
oy += w * (ty + offsetx*offsetx*{{ps.get('xf.stripes_warp')}});
""")
var(77, 'wedge', """
float r = sqrtf(tx*tx + ty*ty);
float a = atan2f(ty, tx) + {{ps.get('xf.wedge_swirl')}} * r;
float wc = {{ps.get('xf.wedge_count')}};
float wa = {{ps.get('xf.wedge_angle')}};
float c = floorf((wc * a + M_PI) * M_1_PI * 0.5f);
float comp_fac = 1 - wa * wc * M_1_PI * 0.5f;
a = a * comp_fac + c * wa;
r = w * (r + {{ps.get('xf.wedge_hole')}});
ox += r * cosf(a);
oy += r * sinf(a);
""")