[Bf-blender-cvs] [312dbf8af1e] tmp-eevee-shadowmap-refactor: EEVEE: Fix sunlight when sun angle is 180 degrees

[Clément Foucault]

Commit: 312dbf8af1e78bcb369ead76930c66ec6ff631bf
Author: Clément Foucault
Date:   Mon Sep 2 02:21:19 2019 +0200
Branches: tmp-eevee-shadowmap-refactor
https://developer.blender.org/rB312dbf8af1e78bcb369ead76930c66ec6ff631bf

EEVEE: Fix sunlight when sun angle is 180 degrees

===================================================================

M	source/blender/draw/engines/eevee/eevee_lights.c

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diff --git a/source/blender/draw/engines/eevee/eevee_lights.c b/source/blender/draw/engines/eevee/eevee_lights.c
index 48a2dacd2a9..126ec8d81c4 100644
--- a/source/blender/draw/engines/eevee/eevee_lights.c
+++ b/source/blender/draw/engines/eevee/eevee_lights.c
@@ -77,7 +77,7 @@ static void light_shape_parameters_set(EEVEE_Light *evli, const Light *la, const
     }
   }
   else if (la->type == LA_SUN) {
-    evli->radius = max_ff(0.001f, tanf(la->sun_angle / 2.0f));
+    evli->radius = max_ff(0.001f, tanf(min_ff(la->sun_angle, DEG2RADF(179.9f)) / 2.0f));
   }
   else {
     evli->radius = max_ff(0.001f, la->area_size);