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Combine the two noise functions, we only need one

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This commit is contained in:
Marc Di Luzio 2020-07-19 13:51:49 +01:00
parent c637ed37b9
commit 959cbfa15a
1 changed files with 5 additions and 9 deletions
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14
pkg/atlas/worldgen.go
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@ -17,18 +17,14 @@ type WorldGen interface {
// NoiseWorldGen returns a noise based world generator
type NoiseWorldGen struct {
// terrainNoise describes the noise function for the terrain
terrainNoise opensimplex.Noise
// terrainNoise describes the noise function for the terrain
objectNoise opensimplex.Noise
// noise describes the noise function
noise opensimplex.Noise
}
// NewNoiseWorldGen creates a new noise based world generator
func NewNoiseWorldGen(seed int64) WorldGen {
return &NoiseWorldGen{
terrainNoise: opensimplex.New(seed),
objectNoise: opensimplex.New(seed),
noise: opensimplex.New(seed),
}
}
@ -39,7 +35,7 @@ const (
// GetTile returns the chosen tile at a location
func (g *NoiseWorldGen) GetTile(v maths.Vector) roveapi.Tile {
t := g.terrainNoise.Eval2(float64(v.X)/terrainNoiseScale, float64(v.Y)/terrainNoiseScale)
t := g.noise.Eval2(float64(v.X)/terrainNoiseScale, float64(v.Y)/terrainNoiseScale)
switch {
case t > 0.5:
return roveapi.Tile_Gravel
@ -52,7 +48,7 @@ func (g *NoiseWorldGen) GetTile(v maths.Vector) roveapi.Tile {
// GetObject returns the chosen object at a location
func (g *NoiseWorldGen) GetObject(v maths.Vector) Object {
o := g.objectNoise.Eval2(float64(v.X)/objectNoiseScale, float64(v.Y)/objectNoiseScale)
o := g.noise.Eval2(float64(v.X)/objectNoiseScale, float64(v.Y)/objectNoiseScale)
var obj = roveapi.Object_ObjectUnknown
switch {
case o > 0.6: