pastemyst | (untitled)

(untitled)

ShaderLabcopy raw

Shader "SpawnCamp/Triplanar_Blend"
{
    Properties
    {
        _Tex("Texture", 2D) = "white" {}
        _Scale("Scale", Float) = 1
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }
        Pass
        {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #include "UnityCG.cginc"

sampler2D _Tex;
            float _Scale;

struct v2f {
                float4 pos : SV_POSITION;
                float3 wPos : TEXCOORD0;
                float3 wNorm : TEXCOORD1;
            };

v2f vert(appdata_full v)
            {
                v2f o;
                o.pos = UnityObjectToClipPos(v.vertex);
                o.wPos = mul(unity_ObjectToWorld, v.vertex).xyz;
                o.wNorm = normalize(mul((float3x3)unity_ObjectToWorld, v.normal));
                return o;
            }

fixed4 frag(v2f i) : SV_Target
            {
                float3 n = abs(i.wNorm);
                float sum = n.x + n.y + n.z;
                n /= sum; // normalize weights

float2 uvX = i.wPos.yz * _Scale;
                float2 uvY = i.wPos.xz * _Scale;
                float2 uvZ = i.wPos.xy * _Scale;

float3 cX = tex2D(_Tex, uvX).rgb;
                float3 cY = tex2D(_Tex, uvY).rgb;
                float3 cZ = tex2D(_Tex, uvZ).rgb;

float3 blended = cX * n.x + cY * n.y + cZ * n.z;
                return float4(blended, 1);
            }
            ENDCG
        }
    }
}

created at:

stats: 56 lines, 151 words, 1.53kb