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Remove some old dead code. Fix some Clang warnings in SRP (ng->N... will

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always evaluate to true.
This commit is contained in:
Loic Blot 2015-07-24 21:03:50 +02:00
parent 2eb329cc63
commit aab7c83d02
4 changed files with 2 additions and 241 deletions
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47
src/noise.cpp
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@ -192,14 +192,6 @@ inline float biLinearInterpolation(
{
float tx = easeCurve(x);
float ty = easeCurve(y);
#if 0
return (
v00 * (1 - tx) * (1 - ty) +
v10 * tx * (1 - ty) +
v01 * (1 - tx) * ty +
v11 * tx * ty
);
#endif
float u = linearInterpolation(v00, v10, tx);
float v = linearInterpolation(v01, v11, tx);
return linearInterpolation(u, v, ty);
@ -225,18 +217,6 @@ float triLinearInterpolation(
float tx = easeCurve(x);
float ty = easeCurve(y);
float tz = easeCurve(z);
#if 0
return (
v000 * (1 - tx) * (1 - ty) * (1 - tz) +
v100 * tx * (1 - ty) * (1 - tz) +
v010 * (1 - tx) * ty * (1 - tz) +
v110 * tx * ty * (1 - tz) +
v001 * (1 - tx) * (1 - ty) * tz +
v101 * tx * (1 - ty) * tz +
v011 * (1 - tx) * ty * tz +
v111 * tx * ty * tz
);
#endif
float u = biLinearInterpolationNoEase(v000, v100, v010, v110, tx, ty);
float v = biLinearInterpolationNoEase(v001, v101, v011, v111, tx, ty);
return linearInterpolation(u, v, tz);
@ -252,33 +232,6 @@ float triLinearInterpolationNoEase(
return linearInterpolation(u, v, z);
}
#if 0
float noise2d_gradient(float x, float y, int seed)
{
// Calculate the integer coordinates
int x0 = (x > 0.0 ? (int)x : (int)x - 1);
int y0 = (y > 0.0 ? (int)y : (int)y - 1);
// Calculate the remaining part of the coordinates
float xl = x - (float)x0;
float yl = y - (float)y0;
// Calculate random cosine lookup table indices for the integer corners.
// They are looked up as unit vector gradients from the lookup table.
int n00 = (int)((noise2d(x0, y0, seed)+1)*8);
int n10 = (int)((noise2d(x0+1, y0, seed)+1)*8);
int n01 = (int)((noise2d(x0, y0+1, seed)+1)*8);
int n11 = (int)((noise2d(x0+1, y0+1, seed)+1)*8);
// Make a dot product for the gradients and the positions, to get the values
float s = dotProduct(cos_lookup[n00], cos_lookup[(n00+12)%16], xl, yl);
float u = dotProduct(-cos_lookup[n10], cos_lookup[(n10+12)%16], 1.-xl, yl);
float v = dotProduct(cos_lookup[n01], -cos_lookup[(n01+12)%16], xl, 1.-yl);
float w = dotProduct(-cos_lookup[n11], -cos_lookup[(n11+12)%16], 1.-xl, 1.-yl);
// Interpolate between the values
return biLinearInterpolation(s,u,v,w,xl,yl);
}
#endif
float noise2d_gradient(float x, float y, int seed, bool eased)
{
// Calculate the integer coordinates