37 lines
664 B
C
37 lines
664 B
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 FOCAL_LEN 1.0
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#define VIEWPORT_H 2.0
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#define NELEMS(arr) (sizeof(arr) / sizeof(arr[0]))
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static const vec3_t camera_pos = { 0.0, 0.0, 0.0 };
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static const obj_t scene[] = {
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SPHERE(1.0, 0.0, -3.0, 1.0),
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SPHERE(-2.0, -0.5, -5.0, 1.0),
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SPHERE(0.0, -1001.0, 0.0, 1000.0),
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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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rng_init();
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img_t img = { .pix = pixbuf };
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camera_t camera = camera_init(camera_pos, FOCAL_LEN, VIEWPORT_H, W, H);
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camera_render(&camera, scene, NELEMS(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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