此图为真机截图，设置了alpha与globalAlpha，但透明效果只在线条尾部生效
this.ctx.strokeStyle = 'rgb(0,0,0,0.1)'
this.ctx.globalAlpha=0.1
代码片段
https://developers.weixin.qq.com/s/BiGeremj7Lkg
相关问题
相关文档
- Canvas.cancelAnimationFrame: 小程序/开发/API/画布/Canvas/Canvas.cancelAnimationFrame
- Canvas.cancelAnimationFrame#参数: 小程序/开发/API/画布/Canvas/Canvas.cancelAnimationFrame
- Canvas.getContext: 小程序/开发/API/画布/Canvas/Canvas.getContext
- Canvas.cancelAnimationFrame#功能描述: 小程序/开发/API/画布/Canvas/Canvas.cancelAnimationFrame
- Canvas.getContext#参数: 小程序/开发/API/画布/Canvas/Canvas.getContext
canvas 是canvas 2d ，咋没人解答吗 - -