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extends Node
const dirs = [
Vector3.UP, Vector3.DOWN,
Vector3.FORWARD, Vector3.BACK,
Vector3.LEFT, Vector3.RIGHT
]
var nodes = []
func refresh_path (vis):
if vis:
show()
else:
var _res = load_nodes()
hide()
func next_node (node, dir):
var pos : Vector3 = node.transform.origin
var rot : Quat = node.transform.basis.get_rotation_quat()
var forward : Vector3 = rot * dir
var probe : Vector3 = pos + forward * 0.5
for child in get_children():
var diff : Vector3 = child.transform.origin - probe
var dist : float = diff.length_squared()
if dist < 0.1:
return child
return null
func load_nodes ():
var start = null
for child in get_children():
if "start" in child.name:
start = child
if start == null:
return "failed to find start"
var next = null
for dir in dirs:
var cand = next_node(start, dir)
if cand != null:
if next == null:
next = cand
else:
return "failed: more than one path from start"
if next == null:
return "failed to find path next to start"
nodes = [start, next]
var iter = next
while true:
iter = next_node(iter, Vector3.UP)
nodes.append(iter)
if iter == null:
return "failed to follow path"
if "end" in iter.name:
break
return "ok"
func hide ():
for child in get_children():
var mesh = child.get_node("MeshInstance")
mesh.visible = false
func show ():
for child in get_children():
var mesh = child.get_node("MeshInstance")
mesh.visible = true
# Called every frame. 'delta' is the elapsed time since the previous frame.
#func _process(delta):
# pass
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