Example #1
0
func (fa *MazeArena) Block(bc coords.Block) mapgen.Block {
	if bc.X >= 32 || bc.X < -32 ||
		bc.Z >= 128 || bc.Z < -128 ||
		bc.Y < 16 {
		return mapgen.BLOCK_DIRT
	}

	val := noise.Perlin(float64(bc.X)/16, float64(bc.Z)/16, fa.seed)
	isWall := val-math.Floor(val) < 0.05

	if bc.Y == 21 && isWall {
		return mapgen.BLOCK_SPAWN
	}

	if bc.Y < 20 && isWall {
		return mapgen.BLOCK_STONE
	}
	return mapgen.BLOCK_AIR
}
Example #2
0
func (pa *PerlinArena) heightAt(x, z float64) float64 {
	quality := 2.0
	height := 0.0

	for i := 0; i < 4; i++ {
		height += noise.Perlin(x/quality, z/quality, pa.seed) * quality
		quality *= 4
	}

	pow := math.Pow
	max := math.Max
	abs := math.Abs

	mult := 0.1 * pow(1.05,
		max(abs(x)-32, 0)+
			max(abs(z)-128, 0))
	height = height*mult + float64(coords.ChunkHeight)/2
	return height
}