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Viewing changes to restricted/app-fortress/fortress/DustCloudObject.hx

  • Committer: edA-qa mort-ora-y
  • Date: 2010-02-16 05:36:32 UTC
  • Revision ID: eda-qa@disemia.com-20100216053632-60lt7fndfi3fgblw
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restricted/app-fortress/fortress/DustCloudObject.hx
 
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package fortress;
 
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import mathx.Point2;
 
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/**
 
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 * Creates dust effects for cannon ball hits land.
 
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 */
 
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class DustCloudObject extends LiveObject
 
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{
 
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        var curAlpha : Float;
 
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        static var numClouds : Int = 10;
 
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        public function new( gd : GameDriver, atMP : Point2, size : Point2 )
 
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        {
 
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                super( gd );
 
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                this.at = atMP.clone();
 
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                this.size = size.clone();
 
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                curAlpha = 1;
 
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                actMode = LiveObject.actInvisible;
 
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        }
 
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        override function draw()
 
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        {       
 
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                //leave old drawing there to add to quality (though perhaps too many circles?)
 
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                //needs to be adjusted to frequency if odl items are not removed...
 
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                for( i in 0...numClouds )
 
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                {
 
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                        var c = draw.Color.int( 0x9e4c00 ).adjustBrightness( 0.5 + Math.random() ).asInt();
 
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                        var x = Math.random() * size.x - size.x/2;
 
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                        var y = Math.random() * size.y - size.y/2;
 
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                        var cx = Math.random() * size.x / 2;
 
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                        var cy = Math.random() * size.y / 2;
 
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                        graphics.beginFill( c, Math.random() * 0.5 + 0.5 );
 
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                        graphics.drawEllipse( x * GConst.gridSizeX, y * GConst.gridSizeY, 
 
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                                cx * GConst.gridSizeX, cy * GConst.gridSizeY );
 
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                        graphics.endFill();
 
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                }
 
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        }
 
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        override public function step( elapsed : Float ) : StepResult
 
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        {
 
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                curAlpha -= elapsed;    //1 second for display
 
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                if( curAlpha <= 0 )
 
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                        return StepResult.Remove;
 
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                alpha = curAlpha;
 
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                size = size.mul( 1 + elapsed * 2 );     //slowly increase size
 
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                draw();
 
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                return StepResult.Changed;
 
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        }
 
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}
 
 
b'\\ No newline at end of file'