Demo 55 - Worldspace texture

Shader "Custom/WorldSpaceTexture" {
    Properties {
        _MainTex ("Texture", 2D) = "white" {}
    }

    SubShader {
        Tags { "RenderType"="Opaque" }

        CGPROGRAM
        #pragma surface surf Standard

        sampler2D _MainTex;

        struct Input {
            float3 worldNormal;
            float3 worldPos;
        };

        void surf (Input IN, inout SurfaceOutputStandard o) {

            if(abs(IN.worldNormal.y) > 0.5)
            {
                o.Albedo = tex2D(_MainTex, IN.worldPos.xz);
            }
            else if(abs(IN.worldNormal.x) > 0.5)
            {
                o.Albedo = tex2D(_MainTex, IN.worldPos.yz);
            }
            else
            {
                o.Albedo = tex2D(_MainTex, IN.worldPos.xy);
            }

            o.Emission = o.Albedo;
        }

        ENDCG
    }
    FallBack "Diffuse"
}