GeoLibra/canvasdemo

Some demos of canvas

canvasdemo

canvas时钟

七巧板

五角星

任意边的多边形封装

参数:绘图上下文、x、y、半径、几边形、起始角度、strokeStyle、fillStyle

var p1=new Polygon(ctx,50,50,50,5,0,"green");
p1.strokePolygon();
var p2=new Polygon(ctx,150,150,50,4,45,"blue","red");
p2.strokePolygon();
p2.fillPolygon();

计时

地铁

热力图