Debug Shaders

The Debug Tools package comes with several shaders to visualize different vertex data. These shaders are located under Zigurous > Debug within the shader selection menu.

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UV

v2f vert (appdata v)
{
    v2f o;
    o.pos = UnityObjectToClipPos(v.vertex);
    o.uv = float4(v.texcoord.xy, 0, 0);
    return o;
}

---

Normals

v2f vert (appdata v)
{
    v2f o;
    o.pos = UnityObjectToClipPos(v.vertex);
    o.color.xyz = v.normal * 0.5 + 0.5;
    o.color.w = 1.0;
    return o;
}

---

Tangents

v2f vert (appdata v)
{
    v2f o;
    o.pos = UnityObjectToClipPos(v.vertex);
    o.color = v.tangent * 0.5 + 0.5;
    return o;
}

---

Bitangents

v2f vert (appdata v)
{
    v2f o;
    o.pos = UnityObjectToClipPos(v.vertex);
    float3 bitangent = cross(v.normal, v.tangent.xyz) * v.tangent.w;
    o.color.xyz = bitangent * 0.5 + 0.5;
    o.color.w = 1.0;
    return o;
}

---

Vertex Color

v2f vert (appdata v)
{
    v2f o;
    o.pos = UnityObjectToClipPos(v.vertex);
    o.color = v.color;
    return o;
}