Simplex noise ported to JS demo

SimplexNoise2D.snoise_vec2(0.1, 0.5)

SimplexNoise3D.snoise_vec3(0.1, 0.5, 0.1)

snoise_vec4(vec4.fromValues(0.1, 0.5, 0.1, 1.0))

For more precision use Float64Array or Array instead of Float32Array in glMatrix.

Other demos

• Visual 2D demo
• Visual 3D demo