2019-10-04 in class

hw3/Claudio_Maggioni/scripts/app.js

@@ -45,10 +45,12 @@ class App {
     this.canvas.addEventListener('mousemove', (e) => this.mousedown && this.draw(e));
 
     const endPath = (e) => {
+      if (this.mousedown) {
         this.ctx.lineTo(e.offsetX, e.offsetY);
         this.ctx.stroke();
         this.ctx.restore();
         this.mousedown = false;
+      }
     };
 
     this.canvas.addEventListener('mouseup', endPath);