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lots more f's added. vars up to 19 complete.

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This commit is contained in:
Erik Reckase
2011-05-03 21:34:24 -06:00
parent f599685676
commit d1137e8e89
1 changed files with 51 additions and 29 deletions
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80
cuburn/code/variations.py
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@ -29,14 +29,14 @@ var(2, 'spherical', """
var(3, 'swirl', """
float r2 = tx*tx + ty*ty;
float c1 = sin(r2);
float c2 = cos(r2);
float c1 = sinf(r2);
float c2 = cosf(r2);
ox += w * (c1*tx - c2*ty);
oy += w * (c2*tx + c1*ty);
""")
var(4, 'horseshoe', """
float r = w / sqrt(tx*tx + ty*ty);
float r = w / sqrtf(tx*tx + ty*ty);
ox += r * (tx - ty) * (tx + ty);
oy += 2.0f * tx * ty * r;
""")
@ -48,53 +48,53 @@ var(5, 'polar', """
var(6, 'handkerchief', """
float a = atan2f(tx, ty);
float r = sqrt(tx*tx + ty*ty);
ox += w * r * sin(a+r);
oy += w * r * cos(a-r);
float r = sqrtf(tx*tx + ty*ty);
ox += w * r * sinf(a+r);
oy += w * r * cosf(a-r);
""")
var(7, 'heart', """
float sq = sqrt(tx*tx + ty*ty);
float sq = sqrtf(tx*tx + ty*ty);
float a = sq * atan2f(tx, ty);
float r = w * sq;
ox += r * sin(a)
oy -= r * cos(a)
ox += r * sinf(a)
oy -= r * cosf(a)
""")
var(8, 'disc', """
float a = w * atan2f(tx, ty) * M_1_PI;
float r = M_PI * sqrt(tx*tx + ty*ty);
ox += sin(r) * a
oy += cos(r) * a
float r = M_PI * sqrtf(tx*tx + ty*ty);
ox += sinf(r) * a
oy += cosf(r) * a
""")
var(9, 'spiral', """
float a = atan2f(tx, ty);
float r = sqrt(tx*tx + ty*ty);
float r = sqrtf(tx*tx + ty*ty);
float r1 = w / r;
ox += r1 * (cos(a) + sin(r));
oy += r1 * (sin(a) - cos(r));
ox += r1 * (cosf(a) + sinf(r));
oy += r1 * (sinf(a) - cosf(r));
""")
var(10, 'hyperbolic', """
float a = atan2f(tx, ty);
float r = sqrt(tx*tx + ty*ty);
float r = sqrtf(tx*tx + ty*ty);
ox += w * sinf(a) / r;
oy += w * cosf(a) * r;
""")
var(11, 'diamond', """
float a = atan2f(tx, ty);
float r = sqrt(tx*tx + ty*ty);
ox += w * sin(a) * cos(r);
oy += w * cos(a) * sin(r);
float r = sqrtf(tx*tx + ty*ty);
ox += w * sinf(a) * cosf(r);
oy += w * cosf(a) * sinf(r);
""")
var(12, 'ex', """
float a = atan2f(tx, ty);
float r = sqrt(tx*tx + ty*ty);
float n0 = sin(a+r);
float n1 = cos(a-r);
float r = sqrtf(tx*tx + ty*ty);
float n0 = sinf(a+r);
float n1 = cosf(a-r);
float m0 = n0*n0*n0*r;
float m1 = n1*n1*n1*r;
ox += w * (m0 + m1);
@ -104,9 +104,9 @@ var(12, 'ex', """
var(13, 'julia', """
float a = 0.5f * atan2f(tx, ty)
if (mwc_next(rctx) & 1) a += M_PI;
float r = w * sqrt(tx*tx + ty*ty);
ox += r * cos(a);
oy += r * sin(a);
float r = w * sqrtf(tx*tx + ty*ty);
ox += r * cosf(a);
oy += r * sinf(a);
""")
var(14, 'bent', """
@ -119,19 +119,41 @@ var(14, 'bent', """
""")
var(15, 'waves', """
float c10 = {{px.get(None, 'pre_yx')}};
float c10 = {{px.get(None, 'pre_xy')}};
float c11 = {{px.get(None, 'pre_yy')}};
ox += w * (tx + c10 + sin(ty * {{px.get('xf.waves_dx2')}}));
oy += w * (ty + c11 + sin(tx * {{px.get('xf.waves_dy2')}}));
ox += w * (tx + c10 + sinf(ty * {{px.get('xf.waves_dx2')}}));
oy += w * (ty + c11 + sinf(tx * {{px.get('xf.waves_dy2')}}));
""")
var(16, 'fisheye', """
float r = sqrt(tx*tx + ty*ty);
float r = sqrtf(tx*tx + ty*ty);
r = 2.0f * w / (r + 1.0f);
ox += r * ty;
oy += r * tx;
""")
var(17, 'popcorn', """
float dx = tanf(3.0f*ty);
float dy = tanf(3.0f*tx);
ox += w * (tx + {{px.get(None, 'pre_xo')}} * sinf(dx));
oy += w * (ty + {{px.get(None, 'pre_yo')}} * sinf(dy));
""")
var(18, 'exponential', """
float dx = w * expf(tx - 1.0f);
float dy = M_PI * ty;
ox += dx * cosf(dy);
oy += dx * sinf(dy);
""")
var(19, 'power', """
float a = atan2f(tx, ty);
float sa = sinf(a);
float r = w * powf(sqrtf(tx*tx + ty*ty),sa);
ox += r * cosf(a);
oy += r * sa;
""")
var(33, 'juliascope', """
float ang = atan2f(ty, tx);
float power = {{px.get('xf.juliascope_power', 'juscope_power')}};