mirror of
https://git.cant.at/Madeorsk/PollVerlaine
synced 2024-11-22 19:04:32 +01:00
39 lines
1.4 KiB
PHP
39 lines
1.4 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
define("CIRCLE_R", 50);
|
||
|
|
|
||
|
|
$COLORS = [
|
||
|
|
"#FF4B44", // Red.
|
||
|
|
"#FFD149", // Yellow.
|
||
|
|
"#56B3FF", // Dark blue.
|
||
|
|
"#FF9535", // Orange.
|
||
|
|
"#7DFF59", // Green.
|
||
|
|
"#FFAFEC", // Pink.
|
||
|
|
"#82FFE8", // Light blue.
|
||
|
|
];
|
||
|
|
|
||
|
|
$total_votes = 0;
|
||
|
|
foreach ($poll->options as $option)
|
||
|
|
$total_votes += $option->votes;
|
||
|
|
|
||
|
|
$options_percentages = [];
|
||
|
|
foreach ($poll->options as $option)
|
||
|
|
$options_percentages[] = $option->votes / $total_votes;
|
||
|
|
|
||
|
|
function percentage_pos_x($r, $percentage)
|
||
|
|
{ return round($r * sin(2 * M_PI * $percentage), 2); }
|
||
|
|
function percentage_pos_y($r, $percentage)
|
||
|
|
{ return -1*round($r * cos(2 * M_PI * $percentage), 2); }
|
||
|
|
|
||
|
|
//TODO Improve by showing values in the colors.
|
||
|
|
|
||
|
|
?>
|
||
|
|
|
||
|
|
<svg xmlns="http://www.w3.org/2000/svg" viewBox="-<?= CIRCLE_R ?> -<?= CIRCLE_R ?> <?= CIRCLE_R*2 ?> <?= CIRCLE_R*2 ?>">
|
||
|
|
<circle cx="0" cy="0" r="<?= CIRCLE_R ?>" fill="black" fill-opacity="0.2"></circle>
|
||
|
|
<?php
|
||
|
|
$used_percentage = 0;
|
||
|
|
foreach ($poll->options as $index => $option): ?>
|
||
|
|
<path d="M<?= percentage_pos_x(CIRCLE_R, $used_percentage) ?> <?= percentage_pos_y(CIRCLE_R, $used_percentage) ?> A<?= CIRCLE_R." ".CIRCLE_R ?> 0 <?= ($options_percentages[$index] > 0.5 ? 1 : 0) ?> 1 <?= percentage_pos_x(CIRCLE_R, $used_percentage + $options_percentages[$index]) ?> <?= percentage_pos_y(CIRCLE_R, $used_percentage + $options_percentages[$index]) ?> L0 0" fill="<?= $COLORS[$index%7] ?>"></path>
|
||
|
|
<?php $used_percentage += $options_percentages[$index]; endforeach; ?>
|
||
|
|
</svg>
|