diff options
Diffstat (limited to 'src/rtw/aabb.zig')
| -rw-r--r-- | src/rtw/aabb.zig | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/src/rtw/aabb.zig b/src/rtw/aabb.zig index 2c283c0..7472dc3 100644 --- a/src/rtw/aabb.zig +++ b/src/rtw/aabb.zig @@ -5,17 +5,17 @@ pub const Aabb = struct { min: Point3, max: Point3, - pub fn hit(aabb: Aabb, r: Ray, tMin: f64, tMax: f64) bool { - var tMin_ = tMin; - var tMax_ = tMax; + pub fn hit(aabb: Aabb, r: Ray, t_min: f64, t_max: f64) bool { + var t_min_ = t_min; + var t_max_ = t_max; { const s0 = (aabb.min.x - r.origin.x) / r.dir.x; const s1 = (aabb.max.x - r.origin.x) / r.dir.x; const t0 = @min(s0, s1); const t1 = @max(s0, s1); - tMin_ = @max(t0, tMin_); - tMax_ = @min(t1, tMax_); - if (tMax_ <= tMin_) { + t_min_ = @max(t0, t_min_); + t_max_ = @min(t1, t_max_); + if (t_max_ <= t_min_) { return false; } } @@ -24,9 +24,9 @@ pub const Aabb = struct { const s1 = (aabb.max.y - r.origin.y) / r.dir.y; const t0 = @min(s0, s1); const t1 = @max(s0, s1); - tMin_ = @max(t0, tMin_); - tMax_ = @min(t1, tMax_); - if (tMax_ <= tMin_) { + t_min_ = @max(t0, t_min_); + t_max_ = @min(t1, t_max_); + if (t_max_ <= t_min_) { return false; } } @@ -35,9 +35,9 @@ pub const Aabb = struct { const s1 = (aabb.max.z - r.origin.z) / r.dir.z; const t0 = @min(s0, s1); const t1 = @max(s0, s1); - tMin_ = @max(t0, tMin_); - tMax_ = @min(t1, tMax_); - if (tMax_ <= tMin_) { + t_min_ = @max(t0, t_min_); + t_max_ = @min(t1, t_max_); + if (t_max_ <= t_min_) { return false; } } |