Shader, 2 Textures on one UV Map

Question

Hi,

I'm not sure how possible this is but to improve our workflow we are trying to get two textures to share a UV.

For instance the end result we want is a shader than can take 2 textures such as these: http://answers.unity3d.com/storage/temp/76956-example1.png http://answers.unity3d.com/storage/temp/76957-example2.png

and create an end result texture of this: https://gyazo.com/bce0bec7843e23e0acdc3c4b3d481e96

But by using only one uv map and material.

Answer 1

Answer by DavidWatts · Aug 26, 2016 at 02:58 PM

yes it is possible if its a surface shader you can have something like

 fixed4 c;
 if( IN.uv_Tex1.y > 0.5 ) {
     c = tex2D (_Tex1, float2( IN.uv_Tex1.x, (IN.uv_Tex1.y-0.5)*2 ) ) * _Color;
 }
 else {
     c = tex2D (_Tex2, float2( IN.uv_Tex1.x, IN.uv_Tex1.y*2 ) ) * _Color;
 }

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Shader, 2 Textures on one UV Map

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