From 69e3a23a89b0b4567de92c004946113ce2db0151 Mon Sep 17 00:00:00 2001
From: Vito Caputo <vcaputo@pengaru.com>
Date: Fri, 2 Jun 2017 10:20:35 -0700
Subject: ray: simplify trace_ray inner loop slightly
Remove unnecessary nearest_object check, the distance comparison alone
is sufficient when initialized to INFINITY.
---
src/modules/ray/ray_scene.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
(limited to 'src/modules')
diff --git a/src/modules/ray/ray_scene.c b/src/modules/ray/ray_scene.c
index eb18d08..50da28a 100644
--- a/src/modules/ray/ray_scene.c
+++ b/src/modules/ray/ray_scene.c
@@ -155,8 +155,7 @@ static ray_color_t trace_ray(ray_scene_t *scene, ray_ray_t *ray, unsigned depth)
if (ray_object_intersects_ray(&scene->objects[i], ray, &distance)) {
/* Is it the nearest intersection? */
- if (!nearest_object ||
- distance < nearest_object_distance) {
+ if (distance < nearest_object_distance) {
nearest_object = &scene->objects[i];
nearest_object_distance = distance;
}
--
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