Simplex noise blocks using gfx.

gfx-simplex-blocks.go

package main

import "github.com/peterhellberg/gfx"

func main() {
	var (
		blocks gfx.Blocks
		origin = gfx.V3(640, -1280*2, 9)
		sn     = gfx.NewSimplexNoise(17)
		dst    = gfx.NewImage(1280, 1280)
	)

	gfx.EachImageVec(dst, gfx.V(3, -3), func(u gfx.Vec) {
		n := gfx.MathAbs(sn.Noise2D(u.X/50, u.Y/50))
		p := gfx.V3(u.X, u.Y, 0)
		s := gfx.V3(1, 1, n*10)

		blocks.AddNewBlock(p, s, gfx.BlockColorBlue)
	})

	blocks.Sort()
	blocks.DrawWireframes(dst, origin)

	gfx.SavePNG("gfx-simplex-blocks.png", dst)
}