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void
lw_noise_init ();
Initializes internal tables used by the simplex noise algorithm. Make sure to
call this before using the lw_simplex_noise_2f()
function. The tables will only
be generated once so calling this multiple times has no effect.
Since: 0.4
float lw_simplex_noise_2f (float x
,float y
);
Calculates a noise value at the position x, y using the simplex noise algorithm.
This function cannot handle negative coordinates, so make sure that x
>= 0 and y
>= 0.
Since: 0.4