#pragma once

#include "ray.cpp"

class camera {
public:
    __device__ camera() {
        lower_left_corner = vec3(-2.0, -1.0, -1.0);
        horizontal        = vec3( 4.0,  0.0,  0.0);
        vertical          = vec3( 0.0,  2.0,  0.0);
        origin            = vec3( 0.0,  0.0,  0.0);
    }
    __device__ ray get_ray(float u, float v) {
        return ray(origin, lower_left_corner + u*horizontal + v*vertical - origin);
    }

    vec3 origin;
    vec3 lower_left_corner;
    vec3 horizontal;
    vec3 vertical;
};