canvas-shapes-bg
v1.1.1
Published
Draw simple shape moving animation in canvas as webpage background
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canvas-shapes-bg
Draw simple shapes moving animations in canvas as webpage background
Load
as esm module
npm i -D canvas-shapes-bgimport CanvasShapesBg from 'canvas-shapes-bg'load from cdn
<script src="https://unpkg.com/canvas-shapes-bg/dist/canvas-shapes-bg.min.js">const { CanvasShapesBg } = windowUse
<body>
<canvas id="ca" style="position: absolute;z-index:-1"></canvas>
<div id="content" style="position: relative;z-index:1"></div>
<body>import CanvasShapesBg from 'canvas-shapes-bg'
// or if load from cdn,
const { CanvasShapesBg } = window
function run() {
const options = {
shapeCount: 20, //how many shapes to draw, optional
timer: 100, //render animation frame for every {timer} ms, optional
step: 3, //animation step px, optional
minSize: 50, //shape size min, optional
maxSize: 150, //shape size max, optional
shapesPool: ['star'], // what shape you want draw, inside there are 'star', 'bubble', 'heart', 'light', 'balloon', optional, default is ['star']
}
const shapesInst = new CanvasShapesBg(
document.getElementById('ca'),
options
)
//start animation
shapesInst.start()
//stop
shapesInst.stop()
//visit src/canvas-shapes-bg.js for more instance method
//you can extend shape draw method
Shapes.prototype.buildShapeMoon = function(){
//...
}
Shapes.prototype.drawMoon = function(){
//...
}
shapesInst.shapesPool = ['moon']
//optional methods
shapesInst.buildPosArrayFromText(text, options)
shapesInst.moveTo(targetArr, options)
}LICENCE
MIT