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Asked By
Streetslab
Hi All, new member here.
I’m trying to add a rpm_meter.tscn scene to a car scene.tscn
The car scene has a body with a script attached for the physics, and i am dragging in also the rpm_meter scene with a script.
In the rpm_meter script i want to call the rpm value to animate a 2d polygon.
I haven’t succeded with direct call nor with a function like so:
rpm variable declared like so in car scene: export var rpm = 0 setget, rpm_get
Function in car scene script: func rpm_get():
return rpm
Function call in rpm_meter scene: print(get_node(“car.tscn/body”).rpm_get())
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You’re doing several things wrong here. You don’t need a setget, and even if you did, you’re not using it since you’re trying to call the function instead of accessing the variable (which is what setget is for: calling a function when a variable is accessed).
It’s hard to tell exactly what is happening because of your formatting issues in your post (_ character is for italics in text), but I think I see. You have an instance of a car scene that has another scene as a child, like so:
Car
|-- RPM_meter
When you use get_node(), you use node names not filenames. car.tscn is a filename - it’s where the scene is saved but has nothing to do with the node running in the live game. Since the car is the parent, you can use get_parent():
print(get_parent().rpm)
Keep in mind, this will not work if it’s in the child’s _ready() function, because child nodes become ready before parents.
Accessing nodes is frequently misunderstood by beginners. The following might help you avoid some of the common errors:
