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package com.senocular.gyro {
import flash.geom.Rectangle;
public class InterpolateRectangle extends Interpolate {
public var target:Rectangle;
public var start:Rectangle;
public var end:Rectangle;
public function InterpolateRectangle(target:Rectangle, start:Rectangle = null, end:Rectangle = null, owner:* = null, property:Object = null){
this.target = target;
this.start = (start) ? start : this.target;
this.end = (end) ? end : this.start;
super(owner, property);
}
public override function interpolate(t:Number):void {
// base variable improves performance
// reducing redundant getter lookups
var base:Number = start.top;
target.top = base + (end.top - base)*t;
base = start.bottom;
target.bottom = base + (end.bottom - base)*t;
base = start.left;
target.left = base + (end.left - base)*t;
base = start.right;
target.right = base + (end.right - base)*t;
if (_owner && _property != null) {
_owner[_property] = target;
}
}
}
}
