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Question by Marshall1956 · May 22, 2016 at 01:16 PM · shadererror messageassetswater

Basic Water shader error message

I have imported the Standard Assets. When I add water to my scene it is pink. I added the Prefabs for WaterProDaytime and Water(Basic) WaterBasicDaytime and both are pink.

Under Water(Basic) Shaders select the FXWaterBasic shader, in the Inspector > Imported Object > FX/Water(Basic)there are 4 errors listed:
'unity_ObjectToWorld' : undeclared identifier for opengl, d3d9, d3d11, d3d11_9x.

If I Open the code in MonoDevelop, the first line is a comment:

 // Upgrade NOTE: replaced '_Object2World' with 'unity_ObjectToWorld'

unity_ObjectToWorld is only used on line 43:

 float4 wpos = mul (unity_ObjectToWorld, v.vertex);

Using Unity personal (64bit) v 5.3.4f1

Any idea what causes this error and how to fix it?

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avatar image Marshall1956 · May 22, 2016 at 03:27 PM 4
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I took the comment as a hint and changed line 43 from: float4 wpos = mul (unity_ObjectToWorld, v.vertex);

to:

 float4 wpos = mul (_Object2World, v.vertex);

And now it appears the water is working. Now I'm not sure why the Upgrade NOTE is causing an error. Is it something I'm doing wrong?

avatar image tetriser016 Marshall1956 · May 28, 2016 at 08:49 AM 0
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Probably the Unity $$anonymous$$m forgot to change the Shader API after the last update...

I'm using Unity 5.3.5.

avatar image pracalic · Jul 14, 2016 at 12:24 PM 0
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Thanks guys - memeber _Object2World

avatar image FirmA-Studio · Jul 27, 2016 at 06:54 PM 0
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It didn't fix my problem. I had several error messages for other shaders so I replaced them everywhere and it's still the same purple piece of frustration for me :(

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Answer by FirmA-Studio · Nov 05, 2016 at 01:05 PM

I found an answer. The thing is that those things you have to change are present on multiple places so check that shading code thorougly.

I had to start the same project again and next time I uploaded same shaders everything worked well. Go figure...

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