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unity toggle KeywordEnum from script (shader feature)
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| [KeywordEnum(Off, On)] _UseSomething ("Use Something",float) = 0 | |
| #pragma shader_feature _USESOMETHING_ON | |
| #pragma shader_feature _USESOMETHING_OFF | |
| #ifdev _USESOMETHING_ON | |
| .. | |
| #endif | |
| public void ToggleSomething(bool state) | |
| { | |
| var kw = "_USESOMETHING_" + (state ? "ON" : "OFF"); | |
| var kw2 = "_USESOMETHING_" + (!state ? "ON" : "OFF"); | |
| Debug.Log("Enable: "+kw + " , Disable: " + kw2); | |
| // NOTE this is persistent for current editor session (keeps value between play mode), so should be reset on stop or awake | |
| Shader.EnableKeyword(kw); | |
| Shader.DisableKeyword(kw2); | |
| } |
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