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adjust parameters and scale x, y and z

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Trammell hudson 2018-03-01 22:59:31 -05:00
parent a9a5eaf59d
commit 38fd7d66ff
Failed to extract signature
1 changed files with 1 additions and 13 deletions
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14
camera.c
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@ -79,7 +79,7 @@ camera_setup(
// now compute the perspective projection matrix // now compute the perspective projection matrix
float s = 1.0 / tan(fov * M_PI / 180 / 2); float s = 1.0 / tan(fov * M_PI / 180 / 2);
c->near = 4.0; c->near = 4.0;
c->far = 20; c->far = 200;
float f1 = - c->far / (c->far - c->near); float f1 = - c->far / (c->far - c->near);
float f2 = - c->far * c->near / (c->far - c->near); float f2 = - c->far * c->near / (c->far - c->near);
@ -146,31 +146,19 @@ camera_project(
if (p[2] < 0) if (p[2] < 0)
return 0; return 0;
p[0] /= p[3];
p[1] /= p[3];
/*
for (int i = 0 ; i < 3 ; i++) for (int i = 0 ; i < 3 ; i++)
p[i] /= p[3]; p[i] /= p[3];
p[2] /= p[3];
*/
if(0) fprintf(stderr, "%.2f %.2f %.2f -> %.2f %.2f %.2f %.2f\n", if(0) fprintf(stderr, "%.2f %.2f %.2f -> %.2f %.2f %.2f %.2f\n",
v[0], v[1], v[2], v[0], v[1], v[2],
p[0], p[1], p[2], p[3] p[0], p[1], p[2], p[3]
); );
/*
p[0] *= -1;
p[1] *= -1;
*/
// Transform to screen coordinate frame, // Transform to screen coordinate frame,
// and return it to the caller // and return it to the caller
v_out->p[0] = p[0]; v_out->p[0] = p[0];
v_out->p[1] = p[1]; v_out->p[1] = p[1];
v_out->p[2] = p[2]; v_out->p[2] = p[2];
return 1; return 1;
} }