Unity – WWW – Get an Image from Web

1. MAIN TOP MENU> File> New Project…
2. MAIN TOP MENU> GameObject> Create Other> Cube
3. Hierarchy> select Cube> Inspectot> ‘Add component’> New Script> JavaScript> name it LoadImage.js
4. LoadImage.js

#pragma strict

// Get the image
var url = "http://www.lucedigitale.com/principale/images/logo.png";
function Start () {
	 // Start a download of the given URL
	var www : WWW = new WWW (url);
	// Wait for download to complete
	yield www;
	// assign texture
	renderer.material.mainTexture = www.texture;
}

5. TOP Play button to see the final result

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Reference:
http://docs.unity3d.com/Documentation/ScriptReference/WWW.html