HOLD JUMP KEY TO JUMP HIGHER - 2D PLATFORMER CONTROLLER - UNITY TUTORIAL - YouTube
c# - Unity 2D Why doesn't my character jump when the ground isn't flat? - Stack Overflow
My character can't jump when he's running against a wall. He can't fall down either. Is this a common mistake? Is there a simple fix for this? : r/ Unity2D
How to make a character jump in Unity - VionixStudio
Why Jumping (or any input) Doesn't Always Work – Grogan Software
Can't walk and jump at the same time. - Unity Forum
Can't walk and jump at the same time. - Unity Forum