pixled/random/uniform.cpp

A pixled::random::UniformDistribution usage example.

random_uniform_t.gif	random_uniform_xy_t.gif	random_uniform_xy_t_hue.gif

#include "pixled.h"
#include "pixled/gif_output.h"
 
 
int main(int argc, char** argv) {
    pixled::LedPanel panel(16, 16, pixled::LEFT_RIGHT_RIGHT_LEFT_FROM_BOTTOM);
    pixled::GifOutput out(256, pixled::FIT_WIDTH, 20, panel);
 
    {
        // Random engine that only depends upon time.
        // The value will be the same for every leds, and will change every 10
        // frames.
        pixled::RandomT random_engine(10);
        // Uniform integer distribution between 30 and 200
        pixled::UniformDistribution<std::uint8_t> random_red(30, 200, random_engine);
 
        // Animation
        pixled::rgb color(random_red, 30, 30);
 
        pixled::Runtime runtime(panel, out, color);
        // Writes 100 frames to gif file
        out.write(runtime, 100, "random_uniform_t.gif");
    }
    {
        // Random engine that only depends upon time and space.
        // The value will be different for every leds, and will change every 10
        // frames.
        pixled::RandomXYT random_engine(10);
        // Uniform integer distribution between 30 and 200 (same as above)
        pixled::UniformDistribution<std::uint8_t> random_red(30, 200, random_engine);
 
        // Animation
        pixled::rgb color(random_red, 30, 30);
 
        pixled::Runtime runtime(panel, out, color);
        // Writes 100 frames to gif file
        out.write(runtime, 100, "random_uniform_xy_t.gif");
    }
    {
        // Same as above
        pixled::RandomXYT random_engine(10);
        // An uniformly distributed random float between 0 and 360
        pixled::UniformDistribution<float> random_hue(0, 360, random_engine);
 
        // Animation
        pixled::hsb color(random_hue, 1.0, 1.0);
 
        pixled::Runtime runtime(panel, out, color);
        // Writes 100 frames to gif file
        out.write(runtime, 100, "random_uniform_xy_t_hue.gif");
    }
}