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Fix 'waves' variation

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Steven Robertson 2012-01-15 20:25:37 -05:00
parent a97b53d4bd
commit 1ff0deb16b
1 changed files with 10 additions and 6 deletions
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16
cuburn/code/variations.py
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@ -140,16 +140,20 @@ var(14, 'bent', """
oy += w * ny * ty;
""")
precalc('waves', """
float dx = {{prex.affine.offset.x}};
float dy = {{prex.affine.offset.y}};
{{pre._set('dx2')}} = 1.0f / (dx * dx + 1.0e-20f);
{{pre._set('dy2')}} = 1.0f / (dy * dy + 1.0e-20f);
""")
var(15, 'waves', """
{{waves_precalc(pv, px)}}
float c10 = {{px.affine.xy}};
float c11 = {{px.affine.yy}};
float dx = {{px.affine.xo}};
float dy = {{px.affine.yo}};
float dx2 = 1.0f / (dx * dx);
float dy2 = 1.0f / (dy * dy);
ox += w * (tx + c10 * sinf(ty * dx2));
oy += w * (ty + c11 * sinf(tx * dy2));
ox += w * (tx + c10 * sinf(ty * {{pv.dx2}}));
oy += w * (ty + c11 * sinf(tx * {{pv.dy2}}));
""")
var(16, 'fisheye', """