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noise/fractal: add default constructors

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we often use these in arrays which are annoying to construct otherwise
This commit is contained in:
Danny Robson 2015-10-13 00:01:26 +11:00
parent 02e0885ee9
commit 51b8ef762a
6 changed files with 7 additions and 10 deletions
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2
noise/fractal/fbm.hpp
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@ -52,7 +52,7 @@ namespace util { namespace noise { namespace fractal {
value_t lacunarity, value_t lacunarity,
value_t amplitude, value_t amplitude,
value_t gain); value_t gain);
fbm (seed_t); explicit fbm (seed_t = 0);
value_t operator() (point_t) const noexcept; value_t operator() (point_t) const noexcept;
}; };

2
noise/fractal/hetero.hpp
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@ -55,7 +55,7 @@ namespace util { namespace noise { namespace fractal {
value_t gain, value_t gain,
value_t offset); value_t offset);
hetero (seed_t); explicit hetero (seed_t = 0);
constexpr value_t offset (void) const; constexpr value_t offset (void) const;
value_t offset (value_t); value_t offset (value_t);

2
noise/fractal/hmf.hpp
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@ -47,7 +47,7 @@ namespace util { namespace noise { namespace fractal {
value_t gain, value_t gain,
value_t offset); value_t offset);
hmf (seed_t); explicit hmf (seed_t = 0);
value_t operator() (point_t) const; value_t operator() (point_t) const;

2
noise/fractal/rmf.hpp
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@ -54,7 +54,7 @@ namespace util { namespace noise { namespace fractal {
value_t gain, value_t gain,
value_t offset); value_t offset);
rmf (seed_t); explicit rmf (seed_t = 0);
value_t operator() (point_t) const; value_t operator() (point_t) const;

3
noise/turbulence.hpp
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@ -57,10 +57,7 @@ namespace util { namespace noise {
// XXX: use a union to defer initialization of pertubation fractals in // XXX: use a union to defer initialization of pertubation fractals in
// the constructor. i know this is horrible, but there's no time to // the constructor. i know this is horrible, but there's no time to
// write the proper generator constructor to pass out the seeds. // write the proper generator constructor to pass out the seeds.
union {
char _;
P perturb[S]; P perturb[S];
};
scale_t scale; scale_t scale;
}; };

2
noise/turbulence.ipp
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@ -31,7 +31,7 @@ namespace util { namespace noise {
scale (_scale) scale (_scale)
{ {
for (auto &p: perturb) for (auto &p: perturb)
new (&p) P (_seed = hash::wang (_seed)); p.seed (_seed = hash::wang (_seed));
} }
//////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////