Discovering the point of exit for a mouse from an image

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I am curious about how the image scrolls into and out of the direction where the mouse enters and leaves. Can you explain how this is achieved?

Answer №1

Discovering the x and y coordinates of the cursor is possible when triggering the mouseleave event for a specific element:

$('#my-element').on('mouseleave', function (event) {

    // Determine which quadrant of the element the mouse has exited
    // It can be more complex, but this example will give you a starting point
    if (event.offsetX > 50 && event.offsetY > 50) {
        alert('bottom-right');
    } else if (event.offsetX > 50 && event.offsetY <= 50) {
        alert('top-right');
    } else if (event.offsetX <= 50 && event.offsetY <= 50) {
        alert('top-left');
    } else {
        alert('bottom-left');
    }
});​

Test it out yourself: http://jsfiddle.net/bKVwR/1/

Answer №2

By utilizing the mouseout event along with the properties screenX, screenY, clientX, and clientY, it becomes feasible to determine the direction using basic trigonometry.

Answer №3

When it comes to movement, this particular element only acknowledges vertical and horizontal directions; diagonal movements are not recognized. Considering these limitations, one possible solution could involve utilizing the mousemove event to track the x and y displacements. By comparing the magnitude of the x displacement with that of the y displacement, you can determine whether the user is moving predominantly in a horizontal or vertical direction.

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