/**
 * Copyright 2008 (c) muta
 * 
 * http://unbland.net/
 * http://unbland.net/blog/
 * 
 * Licensed under the MIT License
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package 
{
    import flash.display.Shader;
    import flash.filters.ShaderFilter;
    import flash.utils.ByteArray;
    
    public class RadialBlurFilter extends ShaderFilter
    {
        [Embed (source="RadialBlur.pbj", mimeType="application/octet-stream")]
        private var _data:Class;
        
        private var _centerX:Number = 1;
        private var _centerY:Number = 1;
        private var _amount:Number = 1;
        private var _rotation:Number = 0;
        
        public function RadialBlurFilter(
            centerX:Number = 1, centerY:Number = 1,
            amount:Number = 1, rotation:Number = 0):void
        {
            super(new Shader(ByteArray(new _data())));
            
            this.centerX = centerX;
            this.centerY = centerY;
            this.amount = amount;
            this.rotation = rotation;
        }
        
        public function get centerX():Number
        {
            return _centerX;
        }
        
        public function set centerX(value:Number):void
        {
            _centerX = value;
            setData("center", centerX, centerY);
        }
        
        public function get centerY():Number
        {
            return _centerY;
        }
        
        public function set centerY(value:Number):void
        {
            _centerY = value;
            setData("center", centerX, centerY);
        }
        
        public function get amount():Number
        {
            return _amount;
        }
        
        public function set amount(value:Number):void
        {
            _amount = value;
            setData("amount", amount);
        }
        
        public function get rotation():Number
        {
            return _rotation;
        }
        
        public function set rotation(value:Number):void
        {
            _rotation = value;
            setData("rotation", rotation);
        }
        
        /**
         * @private
         */
        private function setData(name:String, ...params):void
        {
            shader.data[name].value = params;
        }
    }
}