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extends Spatial
export(NodePath) var traveler = null
onready var _traveler = get_node(traveler)
export var acceleration = 10.0
onready var Chunk = preload("res://Chunk.tscn")
onready var chunk_size = $"Chunks/Chunk/Size".shape.radius*2.0
var chunks = {}
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 chunk_coords(coords:Vector2):
return coords.snapped(Vector2(chunk_size,chunk_size))
func gen_chunk(coords:Vector2):
var chunk = Chunk.instance()
chunk.transform.origin = v3_coords(coords)
$"Chunks".add_child(chunk)
chunks[coords] = chunk
func gen_chunks():
var gen_center = -v2_coords($"Chunks".transform.origin)
var gen_radius = $"ChunkRenderDistance/Radius".shape.radius
var gen_radius_rounded = stepify(gen_radius, chunk_size)
for x in range(-gen_radius_rounded, gen_radius_rounded+chunk_size, chunk_size):
for y in range(-gen_radius_rounded, gen_radius_rounded+chunk_size, chunk_size):
var gen_coords = Vector2(x,y)
if gen_coords.length() > gen_radius:
continue
var coords = chunk_coords(gen_coords + gen_center)
if !chunks.has(coords):
gen_chunk(coords)
func _on_ChunkRenderDistance_area_exited(area:Area):
gen_chunks()
area.queue_free()
chunks.erase(v2_coords(area.transform.origin))
func _ready():
gen_chunks()
func travel(direction:Vector3):
var heading = _traveler.global_transform.basis
heading = Basis(Vector3.UP*heading.get_euler().y)
direction = -direction
direction = heading * direction
direction = direction.normalized()
$"Chunks".add_central_force(direction*acceleration)
func _physics_process(_state):
var stick = Input.get_axis("ship_down","ship_up")
if stick != 0.0:
self.travel(Vector3.FORWARD*stick)
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