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