You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.0 KiB
75 lines
2.0 KiB
extends GridMap
|
|
|
|
@export var ChunkWidth: int = 0
|
|
@export var ChunkHeight: int = 0
|
|
|
|
var heightMapTexture = NoiseTexture2D.new()
|
|
|
|
@onready var player = $Player
|
|
|
|
const DEEPWATER = 0
|
|
const WATER = 1
|
|
const SAND = 2
|
|
const GRASS = 3
|
|
const STONE = 4
|
|
const SNOW = 5
|
|
|
|
func _ready():
|
|
randomize()
|
|
heightMapTexture.width = 2048
|
|
heightMapTexture.height = 2048
|
|
heightMapTexture.noise = FastNoiseLite.new()
|
|
heightMapTexture.noise.fractal_lacunarity = 0.1
|
|
|
|
heightMapTexture.noise.seed = randi()
|
|
|
|
print("Seed: " + str(heightMapTexture.noise.seed))
|
|
|
|
setGridChunk(0, ChunkWidth, 0, ChunkHeight)
|
|
|
|
func generateGridChunk(playerPos: Vector3) -> void:
|
|
clear()
|
|
var chunkCenter = local_to_map(playerPos)
|
|
var rowStart: float = chunkCenter.z - (ChunkHeight / 2)
|
|
var rowEnd: float = chunkCenter.z + (ChunkHeight / 2)
|
|
var columnStart: float = chunkCenter.x - (ChunkWidth / 2)
|
|
var columnEnd: float = chunkCenter.x + (ChunkWidth / 2)
|
|
setGridChunk(columnStart, columnEnd, rowStart, rowEnd)
|
|
|
|
func setGridChunk(columnStart: float, columnEnd: float, rowStart: float, rowEnd: float) -> void:
|
|
if columnStart < 0 :
|
|
columnStart = 0
|
|
if rowStart < 0 :
|
|
rowStart = 0
|
|
if columnEnd > heightMapTexture.width :
|
|
columnEnd = heightMapTexture.width - 1
|
|
if rowEnd > heightMapTexture.height :
|
|
rowEnd = heightMapTexture.height - 1
|
|
|
|
for mz in range(rowStart, rowEnd):
|
|
for mx in range(columnStart, columnEnd):
|
|
var noiseValue: float = heightMapTexture.noise.get_noise_2d(mx, mz)
|
|
var my: int = floor(noiseValue * 10)
|
|
var meshID = SNOW
|
|
if my < 8:
|
|
meshID = STONE
|
|
if my < 5:
|
|
meshID = GRASS
|
|
if my < 2:
|
|
meshID = SAND
|
|
if my < 1:
|
|
meshID = WATER
|
|
if my < -5:
|
|
meshID = DEEPWATER
|
|
|
|
set_cell_item( Vector3(mx,max(my, 0),mz) , meshID,0)
|
|
# var weight: float = (noiseValue + 1) / 2
|
|
# var height: float = floor(lerp(0, 8, weight)) * 2
|
|
# for my in range(0, height):
|
|
# var meshID = floor(my / 2)
|
|
# set_cell_item( Vector3(mx,my*2,mz) ,meshID,0)
|
|
|
|
|
|
|
|
func _on_MapUpdateTimer_timeout():
|
|
generateGridChunk(player.global_transform.origin)
|
|
|