perlin.h File Reference

Header file for 2D Perlin noise with exponentially distributed gradients. More...

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Functions
void	initPerlin2D ()
	Initialize gradient and permutation tables.
float	PerlinNoise2D (const float, const float, const int)
	Generate a cell of 2D Perlin noise.

Function Documentation

void initPerlin2D

(

)

Initialize gradient and permutation tables.

Initialize the permutation, gradient, and magnitude tables.

float PerlinNoise2D	(	const float	x,
		const float	y,
		const int	n
	)

Generate a cell of 2D Perlin noise.

Turbulence is also known as 1/f noise.

Parameters

x	X coordinate.
y	Y coordinate.
n	Number of octaves.

Returns

Noise value in the range -1 to 1.