Interpret image coordinates submitted for animated image elements in a form
P粉421119778
P粉421119778 2024-02-26 22:34:14
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I want to capture the X:Y values ​​indicating where the user clicked on the animated image by checking the php $_POST array. The problem is that while I can get the input submission information on the static image, I can't seem to get any values ​​from the animated image.

Here are the complete HTML pages and forms that demonstrate this behavior:

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Gunfighter Testing Page</title>
<style>
div {
   width:24px;
   height:24px;
   position:relative;
   -webkit-animation:glide 1s ease-in-out alternate infinite;
}

@-webkit-keyframes glide {
   from {
      left:-400px;
      top:0px;
   }
   
   to {
      left:400px;
      top:0px;
   }
}
</style>
</head>
<body>
<center>
<form method="post">
<input type="image" name="Staredown" value="Staredown" alt="Staredown" src="https://i.imgur.com/sQwX4Qg.png">
<input type="image" name="Gesture" value="Gesture" alt="Gesture" src="https://i.imgur.com/0iJnH5Q.png"><br>
<div><input type="image" name="Shoot" value="Shoot" alt="Shoot" src="https://i.imgur.com/i9oV2j3.png"></div> ;
</form>
</center>
</body>

Here is some php that checks form (button) submission and displays the coordinates within the clicked image:

<?php
//var_dump($_POST);
echo "Form (button click) results (a pefect score is x=32 and y=32: <br>\n";
echo "<p>\n";
if ((isset($_POST["Staredown_x"])) || (isset($_POST["Gesture_x"])) || (isset($_POST["Shoot_x_x"]))){
    switch(true){
        case (isset($_POST["Staredown_x"])):
            echo "Staredown click coords=>
            break;
        case (isset($_POST["Gesture_x"])):
            echo "Gesture click coords=>
            break;
        case (isset($_POST["Shoot_x"])):
            echo "Shoot click coords=>
            break;
    }
} else {
echo "Score will be displayed upon clicking on a button.<br>\n";
}
?>

Why can I get the click coordinates in the clicked image (if they are static), but can't get the animated image to behave the same way? The animated image does not populate $_POST["Shoot_x"] with the coordinates of the click (or register in any other way that I can seem to collect in php).

P粉421119778
P粉421119778

reply all(1)
P粉674876385

This example will work as written if (unlike me) you pay attention to typing and checking $_POST["imagename_x"] instead of checking $_POST["imagename_x_x"] Form work>"] Just like I did.

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