EEVEE: ScreenSpaceReflections: Improve minimal hit threshold

This makes the hit delta threshold dependant on the ray angle.
If the ray is more aligned with the view, its intersection
threshold gets bigger to avoid going through geometry.

This improves reflections and fix T86448 refraction issue.

1 files changed, 1 insertions, 1 deletions

diff --git a/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl b/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl
index c47a8bdc4e9..8975397b62a 100644
--- a/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl
+++ b/source/blender/draw/engines/eevee/shaders/raytrace_lib.glsl
@@ -148,7 +148,7 @@ bool raytrace(Ray ray,
     /* Check if the ray is below the surface ... */
     hit = (delta < 0.0);
     /* ... and above it with the added thickness. */
-    hit = hit && (delta > ss_p.z - ss_p.w);
+    hit = hit && (delta > ss_p.z - ss_p.w || abs(delta) < abs(ssray.direction.z * stride));
   }
   /* Discard backface hits. */
   hit = hit && !(discard_backface && prev_delta < 0.0);