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more variation fixes, syntax errors and so on.

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This commit is contained in:
Erik Reckase 2011-06-15 20:21:40 -06:00
parent 702e303509
commit 842efb6317
1 changed files with 22 additions and 16 deletions
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38
cuburn/code/variations.py
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@ -102,11 +102,15 @@ var(12, 'ex', """
""")
var(13, 'julia', """
float a = 0.5f * atan2f(tx, ty);
if (mwc_next(rctx) & 1) a += M_PI;
float r = w * sqrtf(tx*tx + ty*ty);
ox += r * cosf(a);
oy += r * sinf(a);
float power = 2.0f;
float t_rnd = truncf(mwc_next_01(rctx) * fabsf(power));
float a = atan2f(tx, ty);
float tmpr = (a + 2.0f * M_PI * t_rnd) / power;
float cn = 0.5f;
float r = w * powf(tx * tx + ty * ty, cn);
ox += r * cosf(tmpr);
oy += r * sinf(tmpr);
""")
var(14, 'bent', """
@ -188,8 +192,8 @@ var(22, 'fan', """
var(23, 'blob', """
float r = sqrtf(tx*tx + ty*ty);
float a = atan2f(tx, ty);
float bdiff = 0.5f * ({{px.get('xf.blob_high - xf.blob_low','blob_diff'}})
r *= w * ({{px.get('xf.blob_low')}} + bdiff * (1.0f + sinf({{px.get('xf.blob_waves')}} * a)))
float bdiff = 0.5f * ({{px.get('xf.blob_high - xf.blob_low','blob_diff')}});
r *= w * ({{px.get('xf.blob_low')}} + bdiff * (1.0f + sinf({{px.get('xf.blob_waves')}} * a)));
ox += sinf(a) * r;
oy += cosf(a) * r;
""")
@ -209,6 +213,7 @@ var(25, 'fan2', """
float dx2 = 0.5f * dx;
float a = atan2f(tx, ty);
float r = w * sqrtf(tx*tx + ty*ty);
float t = a + dy - dx * truncf((a + dy)/dx);
if (t > dx2)
a -= dx2;
else
@ -309,7 +314,7 @@ var(36, 'radial_blur', """
float blur_angle = {{px.get('xf.radial_blur_angle')}} * M_PI * 0.5f;
float spinvar = sinf(blur_angle);
float zoomvar = cosf(blur_angle);
float r = weight * ( mwc_next_01(rctx) + mwc_next_01(rctx)
float r = w * ( mwc_next_01(rctx) + mwc_next_01(rctx)
+ mwc_next_01(rctx) + mwc_next_01(rctx) - 2.0f );
float ra = sqrtf(tx*tx + ty*ty);
float tmpa = atan2f(ty, tx) + spinvar * r;
@ -322,17 +327,17 @@ var(37, 'pie', """
float slices = {{px.get('xf.pie_slices')}};
float sl = truncf(mwc_next_01(rctx) * slices + 0.5f);
float a = {{px.get('xf.pie_rotation')}} +
2.0f * M_PI * (sl + mwc_next_01(rctx) + {{px.get('xf.pie_thickness')}} / slices;
2.0f * M_PI * (sl + mwc_next_01(rctx) + {{px.get('xf.pie_thickness')}}) / slices;
float r = w * mwc_next_01(rctx);
ox += r * cosf(a);
oy += r * sinf(a);
""")
var(38, 'ngon', """
float power = {{px.get('xf.ngon_power')}} * 0.5f
float b = 2.0f * M_PI / {{px.get('xf.ngon_sides')}}
float corners = {{px.get('xf.ngon_corners')}}
float circle = {{px.get('xf.ngon_circle')}}
float power = {{px.get('xf.ngon_power')}} * 0.5f;
float b = 2.0f * M_PI / {{px.get('xf.ngon_sides')}};
float corners = {{px.get('xf.ngon_corners')}};
float circle = {{px.get('xf.ngon_circle')}};
float r_factor = powf(tx*tx + ty*ty, power);
float theta = atan2f(ty, tx);
@ -353,7 +358,7 @@ var(39, 'curl', """
float r = w / (re*re + im*im);
ox += r * (tx*re + ty*im);
oy += r * (ty*re + tx*im);
oy += r * (ty*re - tx*im);
""")
var(40, 'rectangles', """
@ -417,7 +422,8 @@ var(48, 'cross', """
var(49, 'disc2', """
float twist = {{px.get('xf.disc2_twist')}};
float rotpi = {{px.get('xf.disc2_rot * M_PI', 'disc2_rotpi')}};
float rotpi = {{px.get('xf.disc2_rot', 'disc2_rotpi')}};
rotpi *= M_PI;
float sintwist = sinf(twist);
float costwist = cosf(twist) - 1.0f;
@ -502,7 +508,7 @@ var(55, 'bipolar', """
float x2y2 = tx*tx + ty*ty;
float t = x2y2 + 1.0f;
float x2 = tx * 2.0f;
float ps = -M_PI_2 * {{px.get('xf.bipolar_shift')}}
float ps = -M_PI_2 * {{px.get('xf.bipolar_shift')}};
float y = 0.5f * atan2f(2.0f * ty, x2y2 - 1.0f) + ps;
if (y > M_PI_2)