58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
#include "ff.h"
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#include "render.h"
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#include <unistd.h>
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#define W 1920
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#define H 1080
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#define FOV 90
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#define APERTURE 0.8
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#define FOCAL_LEN -1
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#define SAMPLES_PER_PIXEL 1000
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#define NELEMS(arr) (sizeof(arr) / sizeof(arr[0]))
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static const vec3_t camera_pos = { 80.0, 20.0, 60.0 };
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static const vec3_t target = { 0.0, 0.0, 10.0 };
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static const vec3_t sky_pos = { 0.4, 0.7, 1.0 };
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static const vec3_t sky_neg = { 1.0, 1.0, 1.0 };
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static const material_t floor = LAMBERTIAN(1.0, 0.94, 0.80);
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static const material_t light = AREA_LIGHT(1.0, 0.8, 0.5, 3.0);
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static const material_t white = LAMBERTIAN(1.0, 1.0, 1.0);
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static const material_t gold = REFLECTIVE(1.0, 0.9, 0.5, 0.0);
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static const material_t silver = REFLECTIVE(0.9, 0.9, 0.9, 0.0);
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static const material_t glass = DIELECTRIC(1.5);
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static obj_t objs[] = {
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SPHERE(0.0, -100'000.0, 0.0, 100'000.0, floor),
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SPHERE(-3000.0, 3000.0, -2000.0, 1000.0, light),
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SPHERE(0.0, 10.0, -33.0, 10.0, gold),
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SPHERE(0.0, 10.0, -11.0, 10.0, glass),
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SPHERE(0.0, 10.0, 11.0, 10.0, silver),
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SPHERE(0.0, 10.0, 33.0, 10.0, white),
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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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img_t img = { .pix = pixbuf };
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camera_t camera
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= camera_init(camera_pos, target, FOV, W, H, APERTURE, FOCAL_LEN);
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const scene_t scene = {
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.sky_pos = sky_pos,
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.sky_neg = sky_neg,
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.objs = objs,
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.obj_count = NELEMS(objs),
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};
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render(&camera, &scene, &img, SAMPLES_PER_PIXEL);
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ff_write(STDOUT_FILENO, img);
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return 0;
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}
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