How to scroll the canvas by dragging it?

@edmond_brakus 

To scroll the canvas by dragging it, you can use JavaScript to detect the mouse movements and update the position of the canvas accordingly. Here is a step-by-step guide on how to achieve this:

1. Add an event listener to the canvas for mouse down events to detect when the user starts dragging:

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canvas.addEventListener('mousedown', function(event) {
  isDragging = true;
  startX = event.clientX;
  startY = event.clientY;
});

1. Add an event listener for mouse up events to detect when the user stops dragging:

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canvas.addEventListener('mouseup', function(event) {
  isDragging = false;
});

1. Add an event listener for mouse move events to update the position of the canvas while dragging:

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canvas.addEventListener('mousemove', function(event) {
  if(isDragging) {
    let dx = event.clientX - startX;
    let dy = event.clientY - startY;

    // Update the position of the canvas
    canvas.scrollLeft += dx;
    canvas.scrollTop += dy;

    startX = event.clientX;
    startY = event.clientY;
  }
});

1. Add variables to keep track of the dragging state and initial mouse position:

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let isDragging = false;
let startX = 0;
let startY = 0;

Now, when you click and drag on the canvas, it should scroll based on the mouse movements. You can adjust the scroll speed and behavior by modifying the dx and dy values or adding additional logic to the mouse move event listener.