50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
#include "camera.h"
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#include "ff.h"
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#include "obj.h"
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#include "rng.h"
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#include <unistd.h>
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#define W 800
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#define H 600
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#define FOV 90
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#define SAMPLES_PER_PIXEL 100
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#define NELEMS(arr) (sizeof(arr) / sizeof(arr[0]))
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static const vec3_t camera_pos = { 0.0, 1.5, -2.0 };
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static const vec3_t camera_target = { 0.0, 1.0, 1.0 };
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static const vec3_t sky = { 0.6, 0.7, 1.0 };
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static const obj_t objs[] = {
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SPHERE(1.0, 1.0, 3.0, 1.0, LAMBERTIAN(0.6, 0.2, 0.8)),
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SPHERE(-0.8, 1.0, 3.8, 1.0, LAMBERTIAN(1.0, 1.0, 1.0)),
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SPHERE(-1.0, 0.2, 2.6, 0.2, LAMBERTIAN(0.2, 0.9, 0.3)),
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SPHERE(0.3, 0.3, 1.8, 0.3, LAMBERTIAN(0.9, 0.6, 0.2)),
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SPHERE(-1.6, 0.2, 2.0, 0.2, REFLECTIVE(1.0, 0.9, 0.4, 0.0)),
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SPHERE(-6.0, 6.0, 5.0, 6.0, REFLECTIVE(0.9, 0.9, 0.9, 0.05)),
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SPHERE(-0.7, 0.25, 1.5, 0.25, DIELECTRIC(1.5)),
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SPHERE(0.0, -1000.0, 0.0, 1000.0, LAMBERTIAN(0.3, 0.3, 0.3)),
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};
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static pix_t pixbuf[W * H];
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int main()
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{
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const scene_t scene = {
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.sky_colour = sky,
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.objs = objs,
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.obj_count = NELEMS(objs),
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};
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img_t img = { .pix = pixbuf };
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camera_t camera = camera_init(
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camera_pos, camera_target, FOV, W, H, SAMPLES_PER_PIXEL);
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camera_render(&camera, &scene, &img);
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ff_write(STDOUT_FILENO, img);
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return 0;
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}
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