SASAPI

     1  /**
     2   * com.sekati.draw.Triangle
     3   * @version 1.0.7
     4   * @author jason m horwitz | sekati.com
     5   * Copyright (C) 2007  jason m horwitz, Sekat LLC. All Rights Reserved.
     6   * Released under the MIT License: http://www.opensource.org/licenses/mit-license.php
     7   */
     8  
     9  import com.sekati.geom.Point;
    10  
    11  /**
    12   * Triangle drawing utility.
    13   */
    14  class com.sekati.draw.Triangle {
    15  
    16  	/**
    17  	 * Draw a triangle in an existing clip
    18  	 * @param mc (Movie	Clip) target clip to draw in
    19  	 * @param p1 (Point) first point
    20  	 * @param p2 (Point) second point
    21  	 * @param p3 (Point) third point
    22  	 * @param fillColor (Number) hex fill, if undefined rectangle will not be filled
    23  	 * @param fillAlpha (Number) fill alpha transparency [default: 100]
    24  	 * @param strokeWeight (Number) border line width, if 0 or undefined no border will be drawn
    25  	 * @param strokeColor (Number) hex border color 
    26  	 * @param strokeAlpha (Number) stroke alpha transparancy [default: 100]
    27  	 * @return Void
    28  	 * {@code Usage:
    29  	 * 	var tri:MovieClip = this.createEmptyMovieClip ("tri", this.getNextHighestDepth ());
    30  	 * 	Triangle.draw(tri, new Point(0,30), new Point(30,30), new Point(30,0), 0xff00ff, 100, 1, 0x00ffff, 100);
    31  	 * }
    32  	 */
    33  	public static function draw(mc:MovieClip, p1:Point, p2:Point, p3:Point, fillColor:Number, fillAlpha:Number, strokeWeight:Number, strokeColor:Number, strokeAlpha:Number):Void {
    34  		var sw:Number = (!strokeWeight) ? undefined : strokeWeight;
    35  		var sc:Number = (isNaN( strokeColor )) ? 0x000000 : strokeColor;
    36  		var sa:Number = (isNaN( strokeAlpha )) ? 100 : strokeAlpha;
    37  		var fa:Number = (isNaN( fillAlpha )) ? 100 : fillAlpha;
    38  		
    39  		mc.clear( );
    40  		mc.lineStyle( sw, sc, sa, true, "none", "square", "miter", 1.414 );
    41  		if (!isNaN( fillColor )) {
    42  			mc.beginFill( fillColor, fa );
    43  		}
    44  		mc.moveTo( p1.x, p1.y );
    45  		mc.lineTo( p2.x, p2.y );
    46  		mc.lineTo( p3.x, p3.y );
    47  		mc.lineTo( p1.x, p1.y );
    48  		if (!isNaN( fillColor )) {
    49  			mc.endFill( );
    50  		}
    51  	}
    52  
    53  	private function Triangle() {
    54  	}
    55  }