How to make move able triangle in canvas js
function drawTrianlge(e) { // add this with event listener... var bx = fe.offsetX; var by = fe.offsetY; var x = e.offsetX; var y = e.offsetY; var takeLineLen = Math.abs((bx + by) - (x + y)); context.beginPath(); context.moveTo(bx, by); context.lineTo(x, y); context.moveTo(x, y); context.lineTo(takeLineLen - x / 2 , y); context.moveTo(takeLineLen - x / 2 , y); context.lineTo(takeLineLen - y / 2 , by); context.stroke(); context.closePath(); }