Help with Invisibility script.

Question

Ok I am making a 2D side scroller and I am trying to add an Invisibility effect where it turns down the player opacity but also makes it so the enemys cant see you. Right now though I am only trying to make the player go invisible. Here is my script but for some reason it wont work.

var invisible;

if (Input.GetKeyDown ("q")) { GetComponent(MeshRenderer).enabled = false; }

if (Input.GetKeyUp ("q")) { GetComponent(MeshRenderer).enabled = true; }

Answer 1

Answer by Bunny83 · Feb 26, 2012 at 04:08 AM

You need to check the keyup and keydown events every frame in order to perform any action. The Update function is called by Unity automatically each frame, so just do this in Update, like this:

function Update() { if (Input.GetKeyDown ("q")) { //GetComponent(MeshRenderer).enabled = false; GetComponent(MeshRenderer).material.color.a = 0.3; }

 if (Input.GetKeyUp ("q"))
 {
     //GetComponent(MeshRenderer).enabled = true;
     GetComponent(MeshRenderer).material.color.a = 1;
 }

You should try some basic scripting tutorials and read into the Unity docs.

edit
I changed the example. Now you need a transparent shader on your character. The colors alpha value (color.a) specifies the opacity (1.0 == 100% opaque; 0.0 == 100% transparent).

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oh649 · Feb 26, 2012 at 06:07 AM 0

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Thank you soo much!! But do you know any way to make it so it just turns down the opacity of the player?

syclamoth · Feb 26, 2012 at 06:08 AM 1

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Well, obviously you need to use a Transparent shader of some kind.

Bunny83 · Feb 26, 2012 at 12:55 PM 0

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Well, like @syclamoth said, you need a transparent shader. I've changed the example above ;)

oh649 · Feb 26, 2012 at 04:08 PM 0

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Thank you!! You are now a god in my eyes.

Help with Invisibility script.

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