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extends Node
var chunk_half_size setget _set_chunk_size
var chunk_size
func _set_chunk_size(val):
chunk_half_size = val
chunk_size = val * 2.0
onready var noise = OpenSimplexNoise.new()
func _ready():
randomize()
noise.seed = randi()
noise.octaves = 4
noise.period = 64
noise.persistence = 0.001
noise.lacunarity = 2.0
func gen_chunk(chunk):
var gen_tree = Spatial.new()
gen_tree.name = "gen_tree"
chunk.add_child(gen_tree)
iterate_chunk(chunk, Vector2(10.0,10.0), funcref(self,"gen_rocks"))
func v2_coords(coords:Vector3):
return Vector2(coords.x,coords.z)
func v3_coords(coords:Vector2):
return Vector3(coords.x,0.0,coords.y)
func iterate_chunk(chunk,step:Vector2,cb:FuncRef):
var chunk_size_rounded = Vector2(chunk_half_size,chunk_half_size).snapped(step)
for x in range(-chunk_size_rounded.x,chunk_size_rounded.x,step.x):
for y in range(-chunk_size_rounded.y,chunk_size_rounded.y,step.y):
cb.call_func(chunk,Vector2(x,y))
onready var Rock = preload("res://world/obstacles/Rock.tscn")
const rock_size = 5.0
func make_rock(chunk,xform:Transform):
var rock = Rock.instance()
rock.transform = xform
chunk.get_node("gen_tree").add_child(rock)
func gen_rocks(chunk,chunk_coords:Vector2):
var world_coords = chunk_coords + v2_coords(chunk.transform.origin)
var noise_val = self.noise.get_noise_2dv(world_coords)
if noise_val > 0.4:
make_rock(chunk,Transform(Basis().scaled(Vector3(2.0,2.0,2.0)),v3_coords(chunk_coords)))
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