diff options
Diffstat (limited to 'libdimension/sphere.c')
| -rw-r--r-- | libdimension/sphere.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/libdimension/sphere.c b/libdimension/sphere.c index cd791c3..5555499 100644 --- a/libdimension/sphere.c +++ b/libdimension/sphere.c @@ -25,12 +25,12 @@ #include "dimension-internal.h" -/** Sphere intersection callback. */ +/// Sphere intersection callback. static bool dmnsn_sphere_intersection_fn(const dmnsn_object *sphere, dmnsn_line l, dmnsn_intersection *intersection) { - /* Solve (x0 + nx*t)^2 + (y0 + ny*t)^2 + (z0 + nz*t)^2 == 1 */ + // Solve (x0 + nx*t)^2 + (y0 + ny*t)^2 + (z0 + nz*t)^2 == 1 double poly[3], x[2]; poly[2] = dmnsn_vector_dot(l.n, l.n); poly[1] = 2.0*dmnsn_vector_dot(l.n, l.x0); @@ -42,7 +42,7 @@ dmnsn_sphere_intersection_fn(const dmnsn_object *sphere, dmnsn_line l, } double t = x[0]; - /* Optimize for the case where we're outside the sphere */ + // Optimize for the case where we're outside the sphere if (dmnsn_likely(n == 2)) { t = dmnsn_min(t, x[1]); } @@ -52,23 +52,23 @@ dmnsn_sphere_intersection_fn(const dmnsn_object *sphere, dmnsn_line l, return true; } -/** Sphere inside callback. */ +/// Sphere inside callback. static bool dmnsn_sphere_inside_fn(const dmnsn_object *sphere, dmnsn_vector point) { return point.x*point.x + point.y*point.y + point.z*point.z < 1.0; } -/** Sphere bounding callback. */ +/// Sphere bounding callback. static dmnsn_bounding_box dmnsn_sphere_bounding_fn(const dmnsn_object *object, dmnsn_matrix trans) { - /* TODO: tighter bound */ + // TODO: tighter bound dmnsn_bounding_box box = dmnsn_symmetric_bounding_box(dmnsn_new_vector(1.0, 1.0, 1.0)); return dmnsn_transform_bounding_box(trans, box); } -/** Sphere vtable. */ +/// Sphere vtable. static const dmnsn_object_vtable dmnsn_sphere_vtable = { .intersection_fn = dmnsn_sphere_intersection_fn, .inside_fn = dmnsn_sphere_inside_fn, |