Searched refs:disc (Results 1 – 3 of 3) sorted by relevance
84 flt b, disc, t1, t2, temp; in light_intersect() local95 disc = b * b + l->rad * l->rad - temp; in light_intersect()97 if (disc <= 0.0) in light_intersect()99 disc = sqrt(disc); in light_intersect()101 t2 = b + disc; in light_intersect()106 t1 = b - disc; in light_intersect()
93 flt b, disc, t1, t2, temp; in sphere_intersect() local100 disc = b * b + spr->rad * spr->rad - temp; in sphere_intersect()102 if (disc <= 0.0) in sphere_intersect()104 disc = sqrt(disc); in sphere_intersect()106 t2 = b + disc; in sphere_intersect()111 t1 = b - disc; in sphere_intersect()
84 flt disc; in quadric_intersect() local114 disc = (Bq * Bq - 4.0 * Aq * Cq); in quadric_intersect()115 if (disc > 0.0) { in quadric_intersect()116 disc = sqrt(disc); in quadric_intersect()117 t1 = (-Bq + disc) / (2.0 * Aq); in quadric_intersect()118 t2 = (-Bq - disc) / (2.0 * Aq); in quadric_intersect()