我想在随机位置绘制两个圆,并在这些圆之间画一条直线,但 Flash 似乎没有在我的代码中记录圆的 x|y 坐标。我该如何做呢?更好的是,如果我拖动其中一个圆,该线将保持连接这些点吗?以下是我的代码:
var sw = stage.stageWidth;
var sh = stage.stageHeight;
var cr = 6; //circle radius
var circleColor = 0x000000;
var numCircles = 2;
var circleArray = [];
var lineCanvas:Sprite = new Sprite();
addChild(lineCanvas);
var lineColor = 0x000000;
var lineWeight = 1;
function init(){
drawCircle();
}
function drawCircle(){
for (var i = 0; i<numCircles; i++){
var xPos = randomRange(cr, sw-cr);
var yPos = randomRange(cr, sh-cr);
var newCircle:Shape = new Shape();
newCircle.graphics.beginFill(circleColor);
newCircle.graphics.drawCircle(xPos,yPos,cr);
newCircle.graphics.endFill();
circleArray.push(newCircle);
addChild(newCircle);
}
drawLine();
}
function drawLine(){
for (var i = 0; i<numCircles-1; i++){
trace (circleArray[i].x);
lineCanvas.graphics.lineStyle(lineWeight,lineColor);
lineCanvas.graphics.moveTo(circleArray[i].x,circleArray[i].y);
lineCanvas.graphics.lineTo(circleArray[i+1].x,circleArray[i+1].y);
}
}
function randomRange(minNum:Number, maxNum:Number):Number {
return (Math.floor(Math.random() * (maxNum - minNum + 1)) + minNum);
}
init();