59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
import bpy
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from bpy.props import IntProperty, FloatProperty
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class ModalOperator(bpy.types.Operator):
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"""Move an object with the mouse, example"""
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bl_idname = "object.modal_operator"
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bl_label = "Simple Modal Operator"
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first_mouse_x: IntProperty()
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first_value: FloatProperty()
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def modal(self, context, event):
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if event.type == 'MOUSEMOVE':
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delta = self.first_mouse_x - event.mouse_x
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context.object.location.x = self.first_value + delta * 0.01
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elif event.type == 'LEFTMOUSE':
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return {'FINISHED'}
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elif event.type in {'RIGHTMOUSE', 'ESC'}:
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context.object.location.x = self.first_value
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return {'CANCELLED'}
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return {'RUNNING_MODAL'}
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def invoke(self, context, event):
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if context.object:
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self.first_mouse_x = event.mouse_x
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self.first_value = context.object.location.x
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context.window_manager.modal_handler_add(self)
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return {'RUNNING_MODAL'}
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else:
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self.report({'WARNING'}, "No active object, could not finish")
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return {'CANCELLED'}
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def menu_func(self, context):
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self.layout.operator(ModalOperator.bl_idname, text=ModalOperator.bl_label)
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# Register and add to the "view" menu (required to also use F3 search "Simple Modal Operator" for quick access).
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def register():
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bpy.utils.register_class(ModalOperator)
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bpy.types.VIEW3D_MT_object.append(menu_func)
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def unregister():
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bpy.utils.unregister_class(ModalOperator)
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bpy.types.VIEW3D_MT_object.remove(menu_func)
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if __name__ == "__main__":
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register()
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# test call
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bpy.ops.object.modal_operator('INVOKE_DEFAULT')
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