49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
#ifndef RAYTRACER_H
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#define RAYTRACER_H
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#include <cmath>
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#include <cstdlib>
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#include <iostream>
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#include <limits>
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#include <memory>
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//#include <random>
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// C++ std usings.
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using std::fabs;
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using std::make_shared;
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using std::shared_ptr;
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using std::sqrt;
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// Constants.
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const double infinity = std::numeric_limits<double>::infinity();
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const double pi = 3.1415926535897932385;
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// Utility Functions.
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inline double degreesToRadians(double degrees) {
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return degrees * pi / 180.0;
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}
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inline double randomDouble(void) {
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// Returns a random real in [0, 1).
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return rand() / (RAND_MAX + 1.0);
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}
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// The same as randomDouble() but using the random include.
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// inline double randomDouble(void) {
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// static std::uniform_real_distribution<double> distribution(0.0, 1.0);
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// static std::mt19937 generator;
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// return distribution(generator);
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// }
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inline double randomDouble(double min, double max) {
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// Returns a random real in [min, max).
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return min + (max - min) * randomDouble();
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}
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// Common headers.
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#include "colour.h"
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#include "interval.h"
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#include "ray.h"
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#include "vec3.h"
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#endif |