Add smooth light-shadow transition at noon (#11430)

Node faces with normals pointing East/West (+X/-X) will transition between light and shadow at noon. This code makes the transition smooth.
minetest · Jul 25, 2021 · ff2d2a6 · ff2d2a6
1 parent 5d27cc5
commit ff2d2a6
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/client/shaders/nodes_shader/opengl_fragment.glsl b/client/shaders/nodes_shader/opengl_fragment.glsl
@@ -498,8 +498,8 @@ void main(void)
 
 	}
 
-	if (f_normal_length != 0 && cosLight < 0.0) {
-		shadow_int = clamp(1.0-nightRatio, 0.0, 1.0);
+	if (f_normal_length != 0 && cosLight < 0.035) {
+		shadow_int = max(shadow_int, min(clamp(1.0-nightRatio, 0.0, 1.0), 1 - clamp(cosLight, 0.0, 0.035)/0.035));
 	}
 
 	shadow_int = 1.0 - (shadow_int * f_adj_shadow_strength);