Created
September 16, 2014 21:16
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public function drawArc(sprite:FlxSprite, centerX:Float, centerY:Float, radius:Float, startAngle:Float, arcAngle:Float, steps:Int):Void { | |
// | |
// Rotate the point of 0 rotation 1/4 turn counter-clockwise. | |
startAngle -= .25; | |
// | |
var twoPI = 2 * Math.PI; | |
var angleStep = arcAngle / steps; | |
// var xx = centerX + Math.cos(startAngle * twoPI) * radius; | |
// var yy = centerY + Math.sin(startAngle * twoPI) * radius; | |
var xx = centerX + radius * Math.cos(startAngle); | |
var yy = centerY + radius * Math.sin(startAngle); | |
var lx = xx; | |
var ly = yy; | |
for (i in 0...steps) { | |
var angle = startAngle + (i * angleStep); | |
xx = centerX + radius * Math.cos(angle); | |
yy = centerY + radius * Math.sin(angle); | |
// xx = centerX + Math.cos(angle * twoPI) * radius; | |
// yy = centerY + Math.sin(angle * twoPI) * radius; | |
var lineStyle:LineStyle = {color: FlxColor.WHITE, thickness: 1} | |
var drawStyle:DrawStyle = {}; | |
trace('from ' + i + " lx:" + lx + " ly:"+ly); | |
trace('to ' + i + " x:" + xx + " y:"+yy); | |
// var text = new FlxText(xx, yy, -1, Std.string(i)); | |
// FlxG.state.add(text); | |
FlxSpriteUtil.drawLine(sprite, lx, ly, xx, yy, {thickness: 5, color: FlxColor.WHITE}); | |
// FlxSpriteUtil.drawLine(sprite, xx, yy, xx+1, yy+1, {thickness: 1, color: FlxColor.WHITE}); | |
lx = xx; | |
ly = yy; | |
} | |
} |
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