How to make wall jump in 3D(scipt also needed)

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Godot Version

4.3

Question

How to make wall jump in 3D

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You can use is_on_wall_only() to detect if a CharacterBody3D is touching a wall, then allow them to jump. To make them jump away from the wall you can use get_last_slide_collision().get_normal() as a vector pointing away from the last collision (a wall).

if is_on_wall_only() and Input.is_action_just_pressed("Jump"):
    var normal: Vector3 = get_last_slide_collision().get_normal()
    velocity.y += JUMP_FORCE
    velocity += normal * WALL_JUMP_FORCE
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