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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 = $"WorldGen/Chunk/Size".shape.radius*2.0
var chunks = {}
func v2_coords(xform:Transform):
var coords = xform.origin
coords = Vector2(coords.x,coords.z)
return coords
func chunk_coords(coords:Vector2):
coords = (coords / chunk_size).floor()
return coords
func world_coords(coords:Vector2):
coords *= chunk_size
return Vector3(coords.x,0.0,coords.y)
func gen_chunk(xform:Transform):
var chunk = Chunk.instance()
chunk.transform = xform
$"WorldGen".add_child(chunk)
chunks[chunk_coords(v2_coords(xform))] = chunk
func gen_chunks():
var gen_center = -v2_coords($"WorldGen".transform)
var gen_radius = $"WorldGenCull/Radius".shape.radius-chunk_size
for x in range(-gen_radius, gen_radius, chunk_size):
for y in range(-gen_radius, gen_radius, chunk_size):
var gen_coords = Vector2(x,y)
var coords = chunk_coords(gen_coords + gen_center)
if gen_coords.length() <= gen_radius && !chunks.has(coords):
gen_chunk(Transform(Basis(), world_coords(coords)))
func _on_WorldGenCull_area_exited(area:Area):
gen_chunks()
area.queue_free()
chunks.erase(chunk_coords(v2_coords(area.transform)))
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()
$"WorldGen".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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