frank
1c2081d406
adjusted grid factory adjusted nav mesh factory minoor changes/fixes new helper classes refactoring
56 lines
1.0 KiB
C++
56 lines
1.0 KiB
C++
#ifndef UNIFORM_H
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#define UNIFORM_H
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#include <cmath>
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#include <random>
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#include "../random/RandomGenerator.h"
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#include <type_traits>
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namespace Distribution {
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/** uniform distribution */
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template <typename T> class Uniform {
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private:
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Random::RandomGenerator gen;
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/** depending on T, Dist is either a uniform_real or uniform_int distribution */
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typedef typename std::conditional< std::is_floating_point<T>::value, std::uniform_real_distribution<T>, std::uniform_int_distribution<T> >::type Dist;
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Dist dist;
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public:
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/** ctor */
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Uniform(const T min, const T max) : gen(RANDOM_SEED), dist(min, max) {
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}
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/** ctor with seed */
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Uniform(const T min, const T max, const uint32_t seed) : gen(seed), dist(min, max) {
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}
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/** -1 to +1 */
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static Uniform unit() {
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return Uniform(-1, +1);
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}
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/** get a uniformaly distributed random number */
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T draw() {
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return dist(gen);
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}
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/** set the seed to use */
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void setSeed(const long seed) {
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gen.seed(seed);
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}
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};
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}
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#endif // UNIFORM_H
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