The Asset used by component “cc.Graphics” is missing. Detailed information:
Node path: “line”
Missing uuid: “a28ab1fb-fa9f-420b-9b30-6dae83402925”
this.ctx=this.node.getComponent(cc.Graphics);
this.ctx.moveTo(300,0);
this.ctx.lineTo(-300,0);
this.ctx.stroke();
必须 line width >=5才能画
this.ctx=this.node.getComponent(cc.Graphics);
this.ctx.moveTo(0,300);
this.ctx.lineTo(0,-300);
this.ctx.stroke();
line width =1可以画