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OkayPainter
/
index.html

<head>
    <meta charset="utf-8">
</head>
<body>
<div id="canvas" style="width:500px;height:600px;"></div>
</body>
<script src="src/index.js"></script>
<script>
    class FlowNode extends okay.Layer{
        constructor(canvas){
            super()
            this.canvas = canvas
            this.text = new okay.Text('测试')
            this.rect = new okay.Rectangle()
            this.sector1 = new okay.Sector(0,Math.PI/2,3*Math.PI/2)
            this.sector2 = new okay.Sector(0,3*Math.PI/2,Math.PI/2)
            this.circles = [new okay.HollowCircle(6),new okay.HollowCircle(6),new okay.HollowCircle(6),new okay.HollowCircle(6)]
            this.rect.color = new okay.Color(88,88,255,255)
            this.sector1.color = new okay.Color(88,88,255,255)
            this.sector2.color = new okay.Color(88,88,255,255)
            this.text.font = "20px Arial"
            this.addChild(this.rect)
            this.addChild(this.sector1)
            this.addChild(this.sector2)
            this.addChild(this.text)
            for(let i = 0;i < this.circles.length;i++){
                this.addChild(this.circles[i])
                this.circles[i].lineWidth = 2
                this.circles[i].visible = false
                this.circles[i].color = new okay.Color(0,0,255,255)
            }

        }
        onSelected() {
            for(let i = 0;i < this.circles.length;i++) {
                this.circles[i].visible = true
            }
        }
        onUnSelected() {
            for(let i = 0;i < this.circles.length;i++) {
                this.circles[i].visible = false
            }
        }
        containPoint(_p) {
            return this.rect.containPoint(_p) || this.sector1.containPoint(_p) || this.sector2.containPoint(_p)
        }
        setPosition(_x , _y){
            this.position.x = _x
            this.position.y = _y
            this.text.setPosition(_x - this.text.text.length*10,_y - 10)
            this.rect.setPosition(_x - this.size.width/2,_y + this.size.height/2)
            this.rect.setSize(this.size.width,this.size.height)
            this.sector1.setRadius(this.size.height/2)
            this.sector1.setPosition(_x - this.size.width/2,_y)
            this.sector2.setRadius(this.size.height/2)
            this.sector2.setPosition(_x + this.size.width/2,_y)
            this.circles[0].setPosition(_x,_y + this.size.height/2)
            this.circles[1].setPosition(_x + this.size.width/2 + this.size.height/2,_y)
            this.circles[2].setPosition(_x, _y - this.size.height/2)
            this.circles[3].setPosition(_x-this.size.width/2-this.size.height/2,_y)
        }
        setSize(_width, _height = 0) {
            if(_width instanceof okay.Size) {
                this.size = _width
            }else {
                this.size.width = _width
                this.size.height = _height
            }
            this.setPosition(this.position.x,this.position.y)
        }
    }

    let canvas = new okay.Canvas({
        ele:'canvas',
        canAction:true,
        debug:true
    })
    let flow = new FlowNode(canvas)
    flow.setPosition(300,300)
    flow.setSize(100,60)

    let rect = new okay.Rectangle()
    rect.setPosition(100,100)
    rect.setSize(100,100)
    canvas.addChild(flow)
    //canvas.addChild(rect)
    //rect.addEventListener(okay.Event.Type.EVENT_MOUSE_DOWN,function(e,obj){
    //	console.log(3)
    //})
    let edit = new okay.EditText(canvas,"Hello World")
    edit.setPosition(100,100)
    edit.color = new okay.Color(0,0,0,255)
    canvas.addChild(edit)
    canvas.paint()
</script>