48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
from lnx.logicnode.lnx_nodes import *
|
|
|
|
class LookAtNode(LnxLogicTreeNode):
|
|
"""Returns *a* rotation that makes something look away from X,Y or Z, and instead look in the 'from->to' direction"""
|
|
bl_idname = 'LNLookAtNode'
|
|
bl_label = 'Look At'
|
|
lnx_section = 'rotation'
|
|
lnx_version = 2
|
|
|
|
property0: HaxeEnumProperty(
|
|
'property0',
|
|
items = [('X', ' X', 'X'),
|
|
('-X', '-X', '-X'),
|
|
('Y', ' Y', 'Y'),
|
|
('-Y', '-Y', '-Y'),
|
|
('Z', ' Z', 'Z'),
|
|
('-Z', '-Z', '-Z')],
|
|
name='With', default='Z')
|
|
|
|
def lnx_init(self, context):
|
|
self.add_input('LnxVectorSocket', 'From Location')
|
|
self.add_input('LnxVectorSocket', 'To Location')
|
|
|
|
self.add_output('LnxRotationSocket', 'Rotation')
|
|
|
|
|
|
def draw_buttons(self, context, layout):
|
|
layout.prop(self, 'property0')
|
|
|
|
|
|
def get_replacement_node(self, node_tree: bpy.types.NodeTree):
|
|
if self.lnx_version not in (0, 1):
|
|
raise LookupError()
|
|
|
|
|
|
# transition from version 1 to version 2: make rotations their own sockets
|
|
# this transition is a mess, I know.
|
|
newself = self.id_data.nodes.new('LNLookAtNode')
|
|
converter = self.id_data.nodes.new('LNSeparateRotationNode')
|
|
self.id_data.links.new(newself.outputs[0], converter.inputs[0])
|
|
converter.property0 = 'EulerAngles'
|
|
converter.property1 = 'Rad'
|
|
converter.property2 = 'XZY'
|
|
for link in self.outputs[0].links:
|
|
self.id_data.links.new(converter.outputs[0], link.to_socket)
|
|
|
|
return [newself, converter]
|