Update shaders

Fixes #1177

shaders/glsl/texturecubemaparray/skybox.vert

@@ -16,7 +16,7 @@ layout (location = 0) out vec3 outUVW;
 void main() 
 {
 	outUVW = inPos;
-	outUVW.yz *= -1.0f;
+	outUVW.xy *= -1.0f;
 	// Remove translation from view matrix
 	mat4 viewMat = mat4(mat3(ubo.model));
 	gl_Position = ubo.projection * viewMat * vec4(inPos.xyz, 1.0);

shaders/hlsl/texturecubemaparray/skybox.vert

@@ -21,7 +21,7 @@ VSOutput main([[vk::location(0)]] float3 Pos : POSITION0)
 {
 	VSOutput output = (VSOutput)0;
 	output.UVW = Pos;
-	output.UVW.yz *= -1.0;
+	output.UVW.xy *= -1.0;
 	// Remove translation from view matrix
 	float4x4 viewMat = ubo.model;
 	viewMat[0][3] = 0.0;