How can I make a symbol point at the mouse?
actionscript-3,geometry,displayobject,angles
const radiance:Number=180/Math.PI; angle=-(Math.atan2(mouseX-panel.x, mouseY-panel.y))*radiance; I used minus because usually the orientation is reverse when you don't add minus. hope this helps....
AS3: The supplied DisplayObject must be a child of the caller
actionscript-3,flash,removechild,displayobject
Sorry your problem is in: removeChild(this); You are trying to remove the object from the object itself!!! That's what you should do: this.parent.removeChild(this); ...
PHP A hyperlinks thumbails to other images
php,image,hyperlink,displayobject
This is not actually a PHP question but an HTML question. Simply pack the img tag in an anchor tag that links to the watermarked picture. EDIT: OP requested specific code so here you go: echo "<a href='{$watermarked[$i]}'><img src='{$thumbs[$i]}' hspace='20' alt='Picture'/></a>"; ...
math.pow results not displaying
javascript,label,result,exponent,displayobject
use Math instead of math. Refer this link for more detail. var g = ((Math.pow(77, 39)) % 517); //output - 21 var h = ((Math.pow(65, 39)) % 517); //output - 103 var j = ((Math.pow(84, 39)) % 517); //output - 210 var k = ((Math.pow(73, 39)) % 517); //output -...
Display List of Class in C++
If you want to print out the Person::Name field you would have to change your print statement cout << *it; to cout << it->Name; which will print out the name field in the Person instance. Alternatively, you could overload operator << for you class, as described in @JerryCoffin's answer....
android app having different orientation for its items when changing the screen
java,android,xml,screen-orientation,displayobject
Create a some resource directories called values-swXXXdp in res folder where XXX means smallest screen witdh. In each directory create a file called dimens.xml and define the dimension for each swXXXdp: <dimen name="custom_width">40dp</dimen> Then, to retrieve that value in xml do the following: for example the width of a view:...