Scaling GUI elements for different resolutions

Question

I'm trying to set up a GUI menu in Unity that will work for all devices. So I started it in setting it up for one resolution that is: 1024 * 600.

It looks ok on that, so I tried adding a scaler to make it look ok on all the rest to.

Example of my code for getting scaler:

float originalWidth = 1024;
float originalHeight = 600;     
Vector3 scale;
scale.x = Screen.width/originalWidth; 
scale.y = Screen.height/originalHeight; 
scale.z = 1;

Then I resize every element with that scale like that:

rect = new Rect(width/2 - 65 * scale.x, height/2 - 50 * scale.y, 130 * scale.x, 65 * scale.y);

But it just doesn't look the same. I also tried like that:

rect = new Rect((width/2-65) * scale.x, (height/2-50) * scale.y, 130 * scale.x, 65 * scale.y);

but it just looked even more wrong.

So to be clear I would like my element to be in the middle of screen with some offset and look the same on all devices.

The biggest problem is when 2 elements needs to be aligned to each other perfectly.

Daniel Holmes · Accepted Answer · 2014-04-26 13:19:19Z

1

You could set up a GUI Matrix at your native GUI resolution...

float rx = Screen.width / 1024.0f;
float ry = Screen.height / 600.0f;  
GUI.matrix = Matrix4x4.TRS(new Vector3(0, 0, 0), Quaternion.identity, new Vector3(rx, ry, 1));

http://docs.unity3d.com/Documentation/ScriptReference/Matrix4x4.TRS.html

answered Apr 26, 2014 at 13:19

Daniel Holmes

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Comments

Esa · Accepted Answer · 2014-04-25 08:47:04Z

0

Use percentages of the screen as positions and sizes for GUI elements:

GUI.Box(new Rect(Screen.width*0.40f, Screen.height*0.4f, Screen.width*0.20f, Screen.height*0.20f));

answered Apr 25, 2014 at 8:47

Esa

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1 Comment

gabrjan Over a year ago

The problem with that solution is that it's realy hard to position elements in relation to each other, plus it scales images in unusual way...

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