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Question by RescuerRus · May 15, 2014 at 09:34 PM · gravityjumpaddforce

[2D] gravity independant jumping

Sup! I have the following code:

 void Update() {
     if(Input.GetKey(Keycode.W))
     {
        OnJump();
     }
 }
 void OnJump() {
     rigidbody2D.AddForce(new Vector2(0f, 300f));

 }

It works fine until i double jump, i mean, when i press W, and then when i want to jump second time while object is falling, i don't actually jump that high as if i would jump first time. It's logical because force works against the gravity. yet i have no idea how to make jumping without adding force. Do you have any ideas? :(

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avatar image Josh707 · May 15, 2014 at 10:46 PM 0
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You should be able to get around this by removing your rigidbody's Y velocity before adding the force.

 void OnJump() {
     rigidbody2D.velocity = new Vector2(rigidbody2D.velocity.x, 0f);
     rigidbody2D.AddForce(new Vector2(0f, 300f));
 }

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Answer by RescuerRus · May 15, 2014 at 10:49 PM

ah,

         rigidbody2D.velocity = new Vector2(rigidbody2D.velocity.x, 0);

did the trick.

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