diff options
Diffstat (limited to 'libdimension/raytrace.c')
| -rw-r--r-- | libdimension/raytrace.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/libdimension/raytrace.c b/libdimension/raytrace.c index 87e0b8f..deb0080 100644 --- a/libdimension/raytrace.c +++ b/libdimension/raytrace.c @@ -273,7 +273,7 @@ dmnsn_raytrace_light_ray(const dmnsn_raytrace_state *state, dmnsn_raytrace_pigment(&shadow_state); if ((state->scene->quality & DMNSN_RENDER_TRANSLUCENCY) - && (shadow_state.pigment.filter || shadow_state.pigment.trans)) + && shadow_state.pigment.trans >= dmnsn_epsilon) { color = dmnsn_filter_light(color, shadow_state.pigment); shadow_ray.x0 = dmnsn_line_point(shadow_ray, shadow_caster.t); @@ -328,7 +328,8 @@ dmnsn_raytrace_lighting(dmnsn_raytrace_state *state) state->additional = dmnsn_color_add(specular, state->additional); } else { state->diffuse = state->pigment; - state->diffuse.filter = state->diffuse.trans = 0.0; + state->diffuse.trans = 0.0; + state->diffuse.filter = 0.0; } } } @@ -355,8 +356,8 @@ dmnsn_raytrace_reflection(const dmnsn_raytrace_state *state) state, finish, reflection_fn, dmnsn_black, rec, state->pigment, state->reflected, state->intersection->normal ); - reflected.filter = 0.0; reflected.trans = 0.0; + reflected.filter = 0.0; } return reflected; @@ -366,7 +367,7 @@ dmnsn_raytrace_reflection(const dmnsn_raytrace_state *state) static void dmnsn_raytrace_translucency(dmnsn_raytrace_state *state) { - if (state->pigment.filter || state->pigment.trans) { + if (state->pigment.trans >= dmnsn_epsilon) { dmnsn_line trans_ray = dmnsn_new_line(state->r, state->intersection->ray.n); trans_ray = dmnsn_line_add_epsilon(trans_ray); |