function addClick(x, y, dragging) {
        clickX.push(x);
        clickY.push(y);
        clickDrag.push(dragging);
        hitColors.push(bgColor);
        clickTool.push(tool);
        toolSize.push(radius);
    }

function redraw() {
        context.width = canvas.width; // Clears the canvas
        context.lineJoin = "round";

        for (var i = 0; i < clickX.length; i++) {
           // this will log rect then eraser over and over
           console.log(clickTool[i]);
        // ......
        }
    }