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Fixed random seed when run in benchmark mode, use default random engine instead of fixed mersene twister

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Refs #269
This commit is contained in:
saschawillems 2018-01-18 21:31:19 +01:00
parent 5790f30c17
commit 9e073bdd3b
11 changed files with 55 additions and 60 deletions
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8
examples/particlefire/particlefire.cpp
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@ -11,6 +11,7 @@
#include <string.h>
#include <assert.h>
#include <vector>
#include <random>
#define GLM_FORCE_RADIANS
#define GLM_FORCE_DEPTH_ZERO_TO_ONE
@ -123,6 +124,8 @@ public:
std::vector<Particle> particleBuffer;
std::default_random_engine rndEngine;
VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
{
zoom = -75.0f;
@ -131,7 +134,7 @@ public:
settings.overlay = true;
zoomSpeed *= 1.5f;
timerSpeed *= 8.0f;
srand(time(NULL));
rndEngine.seed(benchmark.active ? 0 : (unsigned)time(nullptr));
}
~VulkanExample()
@ -217,7 +220,8 @@ public:
float rnd(float range)
{
return range * (rand() / float(RAND_MAX));
std::uniform_real_distribution<float> rndDist(0.0f, range);
return rndDist(rndEngine);
}
void initParticle(Particle *particle, glm::vec3 emitterPos)