um.. not sure exactly what you are trying to do, but :
300/400 = 0.75
400/300= 1.33
BUT, if you just want to make a smaller window with the same
proportions, try multiplying both width and height by a constant.. ie
var calculatedWidth:Number = width*0.75
var calculatedHeight:Number = height*0.75
OR, if you want to make the window smaller AND want to specify one
side length, you have to find the correct constant first.
On Aug 16, 2006, at 1:58 PM, Matthew Ganz wrote:
hi.
i have a viewport for my application and i want to create another
smaller viewport whose width and height is in the same ratio as the
original viewport. i'm having trouble calculating it correctly.
// here's the call to the method that creates the 2nd, smaller
viewport
setSubWindowSize(viewportWidth,viewportHeight); // the params are
the width and height of the original viewport.
public function setSubWindowSize(width:Number,height:Number):Void {
// calculate ratio of width to height
var ratio:Number = viewportHeight/viewportWidth;
var calculatedWidth:Number = ratio*height;
var calculatedHeight:Number = height;
}
so, if my original viewport is 300 x 400, then the ratio will be
1.33 but the new ratio(calculatedHeight/calculatedWidth) gives
0.75. can anyone see what is wrong with my calculations?
any help is very much appreciated. thanks.
matt.
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