HaxeFlixel/flixel

package flixel.animation;

/**
 * @author Zaphod
 */
class FlxPrerotatedAnimation extends FlxBaseAnimation
{
    public static inline var PREROTATED:String = "prerotated_animation";

    var rotations:Int;

    var baked:Float;

    public function new(Parent:FlxAnimationController, Baked:Float)
    {
        super(Parent, PREROTATED);
        baked = Baked;
        rotations = Math.round(360 / Baked);
    }

    public var angle(default, set):Float = 0;

    function set_angle(Value:Float):Float
    {
        if (Math.isNaN(Value))
            throw "angle must not be NaN";

        var oldIndex:Int = curIndex;
        var angleHelper:Int = Math.floor(Value % 360);

        while (angleHelper < 0)
        {
            angleHelper += 360;
        }

        var newIndex:Int = Math.floor(angleHelper / baked + 0.5);
        newIndex = Std.int(newIndex % rotations);
        if (oldIndex != newIndex)
        {
            curIndex = newIndex;
        }

        return angle = Value;
    }

    override function set_curIndex(Value:Int):Int
    {
        curIndex = Value;

        if (parent != null)
        {
            parent.frameIndex = Value;
        }

        return Value;
    }

    override public function clone(Parent:FlxAnimationController):FlxPrerotatedAnimation
    {
        return new FlxPrerotatedAnimation(Parent, baked);
    }
}