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pantaray's Introduction

pantaray

C++ Raytracer

Usage

#include "hpp/pantaray.hpp"

Example code

unsigned width = 400;
unsigned height = 400;

auto renderer = Renderer(width, height, Color(0.01f, 0.01f, 0.01f));
renderer.anti_aliasing = true;

auto camera = PinholeCamera(pi / 2.5f, float(width) / float(height))
    .Set(Vector(0, 0, 10), Vector(0, 1, 10));

auto plane_geometry = PlaneGeometry(Vector(0, 0, 0), Vector(0, 0, 1));
auto sphere_geometry = SphereGeometry(Vector(5, 20, 10), 6);

auto checker_texture = CheckerTexture(Color(0.8f, 0.8f, 0.8f), Color(0.1f, 0.1f, 0.1f));
auto normal_texture = NormalTexture();
auto lambert_shader = LambertShader();

auto point_light_left = PointLight(Vector(-15, 20, 30), 550);
auto point_light_right = PointLight(Vector(15, 2, 2), 150);
auto point_light_front = PointLight(Vector(0, 2, 2), 150);

auto scene = Scene()
    .Add(Mesh(plane_geometry, lambert_shader, checker_texture))
    .Add(Mesh(sphere_geometry, lambert_shader, normal_texture))

    .Add(point_light_front)
    .Add(point_light_right)
    .Add(point_light_left);

    
clock_t tStart = clock();

auto buffer = renderer.Render(camera, scene);

printf("Time taken: %.6fs\n", (double)(clock() - tStart) / CLOCKS_PER_SEC);

init(width, height, buffer); // SDL magic

return 0;

Resources

Screenshots

Mandlbulb (ray marching with distance estimator)

sdl example

Mandlbulb 17th power

sdl example

Reflection with texturing

reflection example

Reflection and shadow

reflection example

Anti aliasing

sdl example

Console

console example

pantaray's People

Contributors

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Stargazers

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Watchers

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