Once again the “Unity-way” supraised me. I made this simple Dissolve shader for sprites. There were many difficulties on a way but the most ambiguous one was releated to SpriteRenderer and MaterialPropertyBlock.
When you do your own shader for sprites and want to use the MaterialPropertyBlock to send some [PerRendererData] you have to use Renderer.GetMaterialPropertyBlock first becouse Unity uses MaterialPropertyBlocks internaly for Sprite rendering and you don’t want to mess it up.
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//Inside C# Monobehaviour script
materialPropertyBlock.Clear();
sr.GetPropertyBlock(materialPropertyBlock);
materialPropertyBlock.AddFloat(dissolvePropertyID, dissolveValue);
sr.SetPropertyBlock(materialPropertyBlock);
//Inside the shader
Properties{
[PerRendererData] _SliceAmount("Slice Amount", Float) = 0.5
[PerRendererData] _MainTex("Sprite Texture", 2D) = "white" {}
}
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