Set a named texture.
Many shaders use more than one texture. Use SetTexture to change the propertyName texture.
Common texture names used by Unity's builtin shaders:
"_MainTex" is the main diffuse texture. This can also be accessed via mainTexture property.
"_BumpMap" is the normal map.
"_Cube" is the reflection cubemap.
See Also: mainTexture property, GetTexture.
var bumpMap : Texture;
renderer.material.SetTexture("_BumpMap", bumpMap);