WIP: fix heightmap orientation, black is low and white is high

src/engine/renderer/glsl_source/forwardLighting_fp.glsl

@@ -965,7 +965,7 @@ void	main()
 	Vts = normalize(Vts);
 
 	// size and start position of search in texture space
-	vec2 S = Vts.xy * -u_DepthScale / Vts.z;
+	vec2 S = Vts.xy * u_DepthScale / Vts.z;
 
 	float depth = RayIntersectDisplaceMap(texNormal, S, u_NormalMap);
 

src/engine/renderer/glsl_source/lightMapping_fp.glsl

@@ -63,7 +63,7 @@ void	main()
 	V = normalize(V);
 
 	// size and start position of search in texture space
-	vec2 S = V.xy * -u_DepthScale / V.z;
+	vec2 S = V.xy * u_DepthScale / V.z;
 
 #if 0
 	vec2 texOffset = vec2(0.0);

src/engine/renderer/glsl_source/liquid_fp.glsl

@@ -155,8 +155,8 @@ void	main()
 	// ray intersect in view direction
 
 	// size and start position of search in texture space
-	//vec2 S = V.xy * -u_DepthScale / V.z;
-	vec2 S = V.xy * -0.03 / V.z;
+	//vec2 S = V.xy * u_DepthScale / V.z;
+	vec2 S = V.xy * 0.03 / V.z;
 
 	float depth = RayIntersectDisplaceMap(texNormal, S);
 

src/engine/renderer/glsl_source/vertexLighting_DBS_entity_fp.glsl

@@ -100,7 +100,7 @@ void	main()
 	Vts = normalize(Vts);
 
 	// size and start position of search in texture space
-	vec2 S = Vts.xy * -u_DepthScale / Vts.z;
+	vec2 S = Vts.xy * u_DepthScale / Vts.z;
 
 #if 0
 	vec2 texOffset = vec2(0.0);

src/engine/renderer/glsl_source/vertexLighting_DBS_world_fp.glsl

@@ -94,7 +94,7 @@ void	main()
 	Vts = normalize(Vts);
 
 	// size and start position of search in texture space
-	vec2 S = Vts.xy * -u_DepthScale / Vts.z;
+	vec2 S = Vts.xy * u_DepthScale / Vts.z;
 
 #if 0
 	vec2 texOffset = vec2(0.0);