## Bool Boolean variable type ### Declaration ```glsl bool aBool = true; bool bBool = bool(aInt); bool cBool = bool(aFloat); ``` ### Description ```bool``` data type is either true or false. ### See Also [void](index.html#void.md), [bool](index.html#bool.md), [int](index.html#int.md), [float](index.html#float.md), [bvec2](index.html#bvec2.md), [bvec3](index.html#bvec3.md), [bvec4](index.html#bvec4.md), [struct](index.html#struct.md)