75 lines
2.4 KiB
Python
75 lines
2.4 KiB
Python
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from lnx.logicnode.lnx_nodes import *
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class PhysicsConstraintNode(LnxLogicTreeNode):
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"""
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Custom physics constraint to add to `Add Physics Constarint` node.
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@option Linear/Angualr: Select if constrint is applied along linear or angular axis.
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@option Axis: Local axis of the pivot object along which the constraint is applied.
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@option Spring: Constraint is a Spring along the selected axis.
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@input Limit Lower: Lower limit of the consraint in that particular axis
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@input Limit Upper: Upper limit of the constraint in that particular axis. (`lower limit` = `upper limit`) --> Fully constrained. (`lower limit` < `upper limit`) --> Partially constrained
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(`lower limit` > `upper limit`) --> Full freedom.
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@seeNode Add Physics Constraint
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"""
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bl_idname = 'LNPhysicsConstraintNode'
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bl_label = 'Physics Constraint'
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lnx_section = 'add'
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lnx_version = 1
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def update_spring(self, context):
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self.update_sockets(context)
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property0: HaxeEnumProperty(
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'property0',
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items=[('Linear', 'Linear', 'Linear'),
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('Angular', 'Angular', 'Angular')],
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name='Type', default='Linear')
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property1: HaxeEnumProperty(
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'property1',
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items=[('X', 'X', 'X'),
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('Y', 'Y', 'Y'),
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('Z', 'Z', 'Z')],
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name='Axis', default='X')
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property2: HaxeBoolProperty(
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'property2',
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name="Spring",
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description="Is a spring constraint",
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default=False,
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update=update_spring
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)
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def __init__(self):
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array_nodes[str(id(self))] = self
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def lnx_init(self, context):
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self.add_input('LnxFloatSocket', 'Lower limit')
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self.add_input('LnxFloatSocket', 'Upper limit')
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self.add_output('LnxDynamicSocket', 'Constraint')
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def update_sockets(self, context):
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while len(self.inputs) > 0:
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self.inputs.remove(self.inputs.values()[-1])
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# Add dynamic input sockets
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if self.property2:
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self.add_input('LnxFloatSocket', 'Stiffness', 10.0)
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self.add_input('LnxFloatSocket', 'Damping', 0.5)
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else:
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self.add_input('LnxFloatSocket', 'Lower limit')
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self.add_input('LnxFloatSocket', 'Upper limit')
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def draw_buttons(self, context, layout):
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layout.prop(self, 'property0')
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layout.prop(self, 'property1')
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layout.prop(self, 'property2')
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