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I am trying to make gravity for my character, but I can't use is_on_floor() without calling move_and_slide(). How do I call move_and_slide() in GDscript?

ZygD
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GoomyBoy
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  • You should be able to call `is_on_floor()` directly on your object, as long as it's a KinematicBody or KinematicBody2D. Can you post your code? Including the part that says "extends" at the top? – JarWarren Sep 11 '20 at 18:56
  • extends KinematicBody2D var motion = Vector2() var gravity = -10 var speed = 1 var aceleration = 3 func _process(delta): if not is_on_floor(): position.y += gravity if Input.is_action_pressed("ui_right"): position.x += speed if Input.is_action_pressed("ui_left"): position.x += -speed – GoomyBoy Sep 11 '20 at 19:50

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The is_on_floor(), is_on_wall(), is_on_ceiling(), or get_slide_count() functions only have context when you are moving the KinematicBody2D with move_and_slide() or move_and_slide_with_snap(). If not, they will return false or 0 because they are never updated correctly.

The Godot documentation explains how to use these functions very well:

Using KinematicBody2D Godot Documentation

The 2d platformer demo is a good reference for implementing these functions in a real world use case (a little more complicated). It uses move_and_slide_with_snap, but very similar logic applies. Here is the link:

Godot 2D Platformer Demo

CJay Horton
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