分组

获取Konva最新的信息

通过 Group 我们将多个图形以分组的方式聚合在一起,首先我们实例化一个 Konva.Group() 对象然后使用 add() 方法将图形加入到分组。当我们要同时转换多个图形时,使用分组就非常方便了,例如我们需要同时移动、旋转、缩放都给图形时。组也可以添加到其它组内。更详细的文档请查看Konva.Group documentation

Konva Groups Demoview raw
<!DOCTYPE html>
<html>
<head>
<script src="https://unpkg.com/konva@4.0.18/konva.min.js"></script>
<meta charset="utf-8" />
<title>Konva Groups Demo</title>
<style>
body {
margin: 0;
padding: 0;
overflow: hidden;
background-color: #f0f0f0;
}
</style>
</head>
<body>
<div id="container"></div>
<script>
var width = window.innerWidth;
var height = window.innerHeight;

var stage = new Konva.Stage({
container: 'container',
width: width,
height: height
});

var layer = new Konva.Layer();

/*
* create a group which will be used to combine
* multiple simple shapes. Transforming the group will
* transform all of the simple shapes together as
* one unit
*/
var group = new Konva.Group({
x: 120,
y: 40,
rotation: 20
});

var colors = ['red', 'orange', 'yellow'];

for (var i = 0; i < 3; i++) {
var box = new Konva.Rect({
x: i * 30,
y: i * 18,
width: 100,
height: 50,
name: colors[i],
fill: colors[i],
stroke: 'black',
strokeWidth: 4
});

group.add(box);
}

layer.add(group);
stage.add(layer);
</script>
</body>
</html>