[英]How to get access to sprite 2D context?
是否可以在精灵级别而不是整个 canvas 上获得CanvasRenderingContext2D
? 有没有人试图访问它? 任何想法?
我试过了:
child.addEventListener(RenderEvent.RENDER_CANVAS, function(event)
{
var renderer:openfl.display.DisplayObjectRenderer = event.renderer;
var ctx:CanvasRenderingContext2D = renderer.context;
ctx.shadowBlur = 20;
ctx.shadowColor = "black";
});
但是,我收到错误:
openfl.display.DisplayObjectRenderer has no field context
如何访问精灵的 CanvasRenderingContext2D?
尝试将renderer
转换为CanvasRenderer
:
child.addEventListener(RenderEvent.RENDER_CANVAS, function(event)
{
var renderer:openfl.display.CanvasRenderer = cast(event.renderer);
var ctx:CanvasRenderingContext2D = renderer.context;
ctx.shadowBlur = 20;
ctx.shadowColor = "black";
});
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.