auto-accept/index.html
2020-12-15 12:39:19 +01:00

130 lines
No EOL
4.3 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Auto accept</title>
<style type='text/css'>
body{
margin:0;
overflow: hidden;
cursor: url('./cursor.svg') 15 15, crosshair;
}
svg{
width:100vw;
height:100vh;
}
svg rect{
stroke: red;
stroke-width: .2cm;
fill: none;
transition: stroke .5s;
}
svg rect.locked{
stroke:blue;
opacity: 1;
transition: opacity .5s;
}
svg rect.hide{
opacity:0;
}
#crosshair line{
stroke: gray;
stroke-dasharray: 5px 5px;
}
#video_background{
position: absolute;
top:0;
left:0;
bottom:0;
right:0;
z-index: -1;
}
</style>
</head>
<body>
<svg id='canvas' viewBox="0 0 220 100" xmlns="http://www.w3.org/2000/svg">
<g id='crosshair'>
<line id='crosshair_x' x1="0" y1="0" x2="0" y2="100%" />
<line id='crosshair_y' x1="0" y1="0" x2="100%" y2="0" />
</g>
</svg>
<video id="video_background" autoplay loop>
<source src="Blue_Sky_and_Clouds_Timelapse_0892__Videvo.mov">
</video>
<script>
let svgEl = document.getElementById('canvas');
let crosshairXEl = document.getElementById('crosshair_x');
let crosshairYEl = document.getElementById('crosshair_y');
// canvas position relative to mouse/screen
// TODO: update on resize:
svgEl.setAttribute('viewBox', '0 0 '+window.innerWidth+' '+window.innerHeight);
let rect = svgEl.getBoundingClientRect();
let cx = rect.left + rect.width/2;
let cy = rect.top + rect.height/2;
let center = {'x': cx, 'y': cy};
// move crosshairs
window.addEventListener('mousemove', function(mousemoveEv){
let x = mousemoveEv.clientX - rect.left;
let y = mousemoveEv.clientY - rect.top;
crosshairXEl.setAttribute('x1', x)
crosshairXEl.setAttribute('x2', x)
crosshairYEl.setAttribute('y1', y)
crosshairYEl.setAttribute('y2', y)
});
svgEl.addEventListener('mousedown', function(mousedownEv){
let shapeEl = document.createElementNS('http://www.w3.org/2000/svg','rect');
shapeEl.classList.add('rect');
let p1 = {'x': mousedownEv.clientX - rect.left, 'y': mousedownEv.clientY - rect.top}
shapeEl.setAttribute('x', p1.x);
shapeEl.setAttribute('y', p1.y);
shapeEl.setAttribute('width', 0);
shapeEl.setAttribute('height', 0);
svgEl.appendChild(shapeEl);
let mouseMoveEv = function(mousemoveEv) {
let p2 = {'x': mousemoveEv.clientX - rect.left, 'y': mousemoveEv.clientY - rect.top}
// draw inbetween p1 & p2.
let minx = Math.min(p1.x, p2.x);
let miny = Math.min(p1.y, p2.y);
let maxx = Math.max(p1.x, p2.x);
let maxy = Math.max(p1.y, p2.y);
shapeEl.setAttribute('x', minx);
shapeEl.setAttribute('y', miny);
shapeEl.setAttribute('width', maxx - minx);
shapeEl.setAttribute('height', maxy - miny);
};
let mouseUpEv = function() {
console.log('up');
window.removeEventListener('mousemove', mouseMoveEv); // remove itself.
window.removeEventListener('mouseup', mouseUpEv); // remove itself.
shapeEl.classList.add('locked');
//TODO: calculate points
setTimeout(function(){
shapeEl.classList.add('hide');
setTimeout(function(){
shapeEl.parentNode.removeChild(shapeEl);
},1000);
}, 1000);
};
window.addEventListener('mousemove', mouseMoveEv);
window.addEventListener('mouseup', mouseUpEv);
})
</script>
</body>
</html>