CODEWITHSUNDEEP
c#unity-game-enginescripting
Legion Daeth
Legion Daeth

Reputation: 329

How to get variable or call function from collider object in unity

I'm writing an OnTriggerStay(Collider other) (in a ladder script) function to let a player climb a ladder and I want to know how to call a function (or access a variable) from the collided object.

I tried using the below solution but Unity tells me it is not valid in this context. Could someone suggest a solution?

myObject.GetComponent<MyScript>().MyFunction(); //wrong

Function

void OnTriggerStay(Collider other) //Runs once per collider that is touching the player every frame
{

    if (other.CompareTag ("Player")) { //A player is touching the ladder

        //I want to get the isGrounded variable or getIsGrounded() function from other's playerScript.      

        if (Input.GetAxis ("Vertical") < 0) { // Player should go down
            other.transform.Translate (0, -.1f, 0);
        }
        else if (Input.GetAxis("Vertical") > 0) //Player should go up
                other.transform.Translate(0,.1f,0);
    }

}

Upvotes: 1

Views: 3296

Answers (1)

Programmer
Programmer

Reputation: 125275

I want to get the isGrounded variable or getIsGrounded() function from other's playerScript.

The Collider other parameter from the OnTriggerStay function contains this information.

That should be: other.GetComponent<MyScript>().getIsGrounded

void OnTriggerStay(Collider other) //Runs once per collider that is touching the player every frame
{

    if (other.CompareTag("Player"))
    { //A player is touching the ladder

        //I want to get the isGrounded variable or getIsGrounded() function from other's playerScript.     
        if(other.GetComponent<MyScript>().getIsGrounded)
        {

        }

        if (Input.GetAxis("Vertical") < 0)
        { // Player should go down
            other.transform.Translate(0, -.1f, 0);
        }
        else if (Input.GetAxis("Vertical") > 0) //Player should go up
            other.transform.Translate(0, .1f, 0);
    }

}

Note that if you want OnTriggerStay to be called every frame, I suggest you use the combination of OnTriggerEnter and OnTriggerExit to accomplish this instead of OnTriggerStay. See this post of a full example.

Upvotes: 4

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