How to Tween Linear Velocity in Rigidbody2d?

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:bust_in_silhouette: Asked By hard

trying it using but object is moving diagonal (down-right)

var tween = get_node(“Tween”)
func _physics_process(_delta):
myPos = self.position
destination = myPos + Vector2(0,0.1)

:bust_in_silhouette: Reply From: Inces

Linear velocity is a Vector by which RigidBody moves. It describes the change of positions, a vector of difference between position now and position later. Thus it cannot be tweened with a global position vectors, this would give ridicolous results.

You need to rethink what is it You really want to interpolate. Direction of moving object ? Speed ?
The way your code looks it seems like You want to directly tween global_position of the body. This is not advised, collisions won’t be properly reported that way. Instead interpolate speed. Take direction to your target before tweening ( object position minus target position ), tween custom variable speed from 0 to desired number and in process() apply_impulse() using your normalized direction * this speed.

Sorry, it works with

hard | 2021-12-17 18:16