我有一个直线梯度线,从屏幕的一端到另一端。
如何最佳(或仅)方法筛选这一条线图,以便看上去?
我目前的“<>索尔ution”是把屏幕的宽度翻一番,重复每半线的梯度。 这条线路由中心注册,并移至右边。 一旦进入阶段,这条线就会重新进入起点。
是否有更好的办法?
我有一个直线梯度线,从屏幕的一端到另一端。
如何最佳(或仅)方法筛选这一条线图,以便看上去?
我目前的“<>索尔ution”是把屏幕的宽度翻一番,重复每半线的梯度。 这条线路由中心注册,并移至右边。 一旦进入阶段,这条线就会重新进入起点。
是否有更好的办法?
我可以认为,唯一的选择是利用提款机提取梯度中线,计算每个框架的抵消额。 但是,这无疑比仅仅在显示物上进行位置转变还要昂贵。 仅凭算术就足以使其放缓。
你提出的解决办法似乎并不多见elegant,或有效率,但鉴于我们正在使用一种高度优化的、用于绘制和改造被忽略的病媒和模型(而且实际上不能依赖任何其他优化)的仪器,我认为,最好的办法就是在这一点上仅仅信任证书。
您可以照搬梯度线,并与之挂钩:
package
{
import flash.display.GradientType;
import flash.display.InterpolationMethod;
import flash.display.SpreadMethod;
import flash.display.Sprite;
import flash.events.Event;
import flash.geom.Matrix;
public class GradientLine extends Sprite
{
private var position:Number = 0;
public function GradientLine()
{
addEventListener( Event.ENTER_FRAME, drawLine );
}
private function drawLine(e:Event):void
{
graphics.clear();
var m:Matrix = new Matrix();
m.createGradientBox( stage.stageWidth, stage.stageHeight, 0, position, 0 );
position -= 10;//move from right to left by 10px
graphics.lineStyle( 2 );
graphics.lineGradientStyle( GradientType.LINEAR, [ 0xFF0000, 0xFFCC00, 0x0000CC ], [ 1, 1, 1 ], [ 0, 128, 255 ], m, SpreadMethod.REFLECT, InterpolationMethod.RGB, position );
graphics.moveTo( 0, 250 );
graphics.lineTo( stage.stageWidth, 250 );
}
}
}
the stage needs to be available. you can set the createGradientBox ( width , height ) to the size you need. SpreadMethod.REFLECT causes the gradient to reflect, you may want to try SpreadMethod.REPEAT.
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