https://answers.unity.com/questions/767646/materialpropertyblock-main-texture-offset.html
propertyBlock.SetVector("_MainTex_ST", new Vector4(0.5f, 0.5f, 0.25f, 0.25f));
https://answers.unity.com/questions/767646/materialpropertyblock-main-texture-offset.html
propertyBlock.SetVector("_MainTex_ST", new Vector4(0.5f, 0.5f, 0.25f, 0.25f));