Lines Matching defs:vdir
345 float ldir[3], vdir[3], h[3], dfact, kfact, r, g, b;
386 vsub(vdir, obs, ppos);
387 vnormalize(vdir, vdir);
388 h[0] = 0.5f * (vdir[0] + ldir[0]);
389 h[1] = 0.5f * (vdir[1] + ldir[1]);
390 h[2] = 0.5f * (vdir[2] + ldir[2]);
439 float rcol[3], ppos[3], norm[3], ldir[3], h[3], vdir[3], planepos[3];
456 vsub(vdir, obs, ppos);
457 vnormalize(vdir, vdir);
459 rf = 2.0f * dprod(norm, vdir);
461 rdir[0] = rf * norm[0] - vdir[0];
462 rdir[1] = rf * norm[1] - vdir[1];
463 rdir[2] = rf * norm[2] - vdir[2];
488 h[0] = 0.5f * (vdir[0] + ldir[0]);
489 h[1] = 0.5f * (vdir[1] + ldir[1]);
490 h[2] = 0.5f * (vdir[2] + ldir[2]);