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2026-04-04T07:15:33Z
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в 09:19, 26 мая 2010
2010-05-26T09:19:13Z
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Admin: 1 версия
2010-05-26T08:15:09Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Bitwise Operators in Actionscript==<br />
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<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
Operator Name <br />
& Bitwise AND <br />
| Bitwise OR <br />
^ Bitwise XOR (exclusive or) <br />
<< Bitwise Left Shift <br />
>> Bitwise Right Shift <br />
>>> Bitwise Unsigned Right Shift <br />
~ Bitwise Not <br />
</source><br />
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<br />
<br />
==Use Bitwise Unsigned Right Shift==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
package{<br />
import flash.display.Sprite;<br />
<br />
public class Main extends Sprite{<br />
public function Main(){<br />
var x:Number = -12;<br />
var y:Number = x >>> 2; <br />
trace(y); // y = 1073741821<br />
<br />
//x 1111 1111 1111 1111 1111 1111 1111 1011 <br />
//y 0011 1111 1111 1111 1111 1111 1111 1101 <br />
}<br />
}<br />
}<br />
</source><br />
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<br />
<br />
<br />
==Using Bitwise AND==<br />
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<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
package{<br />
import flash.display.Sprite;<br />
<br />
public class Main extends Sprite{<br />
public function Main(){<br />
var x:Number = 1234;<br />
var y:Number = 4567;<br />
var z:Number = x & y;<br />
//x 0000 0000 0000 0000 0000 0100 1101 0010 <br />
//y 0000 0000 0000 0000 0001 0001 1101 0111 <br />
//z 0000 0000 0000 0000 0000 0000 1101 0010 <br />
<br />
trace(z); //210<br />
}<br />
}<br />
}<br />
</source><br />
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<br />
<br />
<br />
==Using Bitwise Left Shift==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
package{<br />
import flash.display.Sprite;<br />
<br />
public class Main extends Sprite{<br />
public function Main(){<br />
var x:Number = 3;<br />
var y:Number = x << 2;<br />
<br />
trace(y); //12<br />
<br />
//x 0000 0000 0000 0000 0000 0000 0000 0011 <br />
//y 0000 0000 0000 0000 0000 0000 0000 1100 <br />
}<br />
}<br />
}<br />
</source><br />
<br />
<br />
<br />
<br />
==Using Bitwise NOT==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
package{<br />
import flash.display.Sprite;<br />
<br />
public class Main extends Sprite{<br />
public function Main(){<br />
var x:Number = ~6;<br />
<br />
trace(x); //-7<br />
<br />
x = -(6+1);<br />
<br />
trace(x); //-7<br />
}<br />
}<br />
}<br />
</source><br />
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<br />
<br />
<br />
==Using Bitwise Operations with Color==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
package{<br />
import flash.display.Sprite;<br />
<br />
public class Main extends Sprite{<br />
public function Main(){<br />
var nRed:Number = 123; <br />
var nGreen:Number = 123; <br />
var nBlue:Number = 123; <br />
<br />
var nRGB:Number = nRed<<16 | nGreen<<8 | nBlue;<br />
var nRedPart:Number = nRGB >> 16 & 0xFF;<br />
var nGreenPart:Number = nRGB >> 8 & 0xFF;<br />
var nBluePart:Number = nRGB & 0xFF;<br />
}<br />
}<br />
}<br />
</source><br />
<br />
<br />
<br />
<br />
==Using Bitwise OR==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
package{<br />
import flash.display.Sprite;<br />
<br />
public class Main extends Sprite{<br />
public function Main(){<br />
var x:Number = 1234;<br />
var y:Number = 4567;<br />
var z:Number = x | y;<br />
<br />
trace(z);//5591<br />
<br />
//x 0000 0000 0000 0000 0000 0100 1101 0010 <br />
//y 0000 0000 0000 0000 0001 0001 1101 0111 <br />
//z 0000 0000 0000 0000 0001 0001 1101 0111 <br />
}<br />
}<br />
}<br />
</source><br />
<br />
<br />
<br />
<br />
==Using Bitwise Right Shift==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
package{<br />
import flash.display.Sprite;<br />
<br />
public class Main extends Sprite{<br />
public function Main(){<br />
var x:Number = 12;<br />
var y:Number = x >> 2;<br />
<br />
trace(y); //3<br />
<br />
//x 0000 0000 0000 0000 0000 0000 0000 1100 <br />
//y 0000 0000 0000 0000 0000 0000 0000 0011 <br />
}<br />
}<br />
}<br />
</source><br />
<br />
<br />
<br />
<br />
==Using Bitwise XOR==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
package{<br />
import flash.display.Sprite;<br />
<br />
public class Main extends Sprite{<br />
public function Main(){<br />
var x:Number = 1234;<br />
var y:Number = 4567;<br />
var z:Number = x ^ y;<br />
trace(z); //5381<br />
<br />
//x 0000 0000 0000 0000 0000 0100 1101 0010 <br />
//y 0000 0000 0000 0000 0001 0001 1101 0111 <br />
//z 0000 0000 0000 0000 0001 0001 0000 0101 <br />
}<br />
}<br />
}<br />
</source><br />
<br />
<br />
<br />
<br />
==Using Flag Variables==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
package{<br />
import flash.display.Sprite;<br />
<br />
public class Main extends Sprite{<br />
public function Main(){<br />
var UP:Number = 1;<br />
var DRAG:Number = 2;<br />
var PLAYING:Number = 4;<br />
var VISIBLE:Number = 8;<br />
var nFlag:Number |= VISIBLE; <br />
trace(nFlag); <br />
<br />
nFlag &= ~PLAYING; // Make it stop playing<br />
trace(nFlag); <br />
nFlag ^= DRAG; // Toggle draggability on and off<br />
trace(nFlag); <br />
}<br />
}<br />
}<br />
</source></div>
Admin