主文件：
package
{
import com.views.BubbleView;
import com.views.ColorfulBubble;
import flash.display.Sprite;
import flash.display.StageDisplayState;
import flash.events.Event;
/**
* @author Frost.Yen
* @E-mail [email protected]
* @create 2016-12-28 下午2:08:51
*
*/
[SWF(width="1920",height="1080",backgroundColor="0x000000")]
public class BubbleCollision extends Sprite
{
private var _bubbleView:BubbleView;
public function BubbleCollision()
{
if(stage){
init(null);
}else{
addEventListener(Event.ADDED_TO_STAGE,init);
}
}
private function init(e:Event):void
{
removeEventListener(Event.ADDED_TO_STAGE,init);
stage.displayState = StageDisplayState.FULL_SCREEN;
_bubbleView = new BubbleView();
this.addChild(_bubbleView);
_bubbleView.start();
}
}
}
气泡运动控制类：
package com.views
{
import flash.display.DisplayObject;
import flash.display.Sprite;
import flash.events.Event;
/**
* @author Frost.Yen
* @E-mail [email protected]
* @create 2016-12-28 下午3:01:15
*
*/
public class BubbleView extends Sprite
{
private var _bubbles:Array=[];
private var _checkBubbles:Array=[];
public var viewWidth:Number = 1920;
public var viewHeight:Number = 1080;
//弹性
public var bo:Number = -0.6;
public var len:int = 16;
public function BubbleView()
{
super();
}
private function initBubbles():void
{
for (var i:int = 0; i < len; i++)
{
var bubble:ColorfulBubble = new ColorfulBubble();
bubble.name = "bubble_" + i;
bubble.color = rgb();
bubble.radius = 129*0.5;
this.addChild(bubble);
_bubbles.push(bubble);
}
}
/**
* 开始运动
*/
public function start():void
{
initBubbles();
rank(this);
addEventListener(Event.ENTER_FRAME, enterFrame);
}
/**
* 随机排列，不重叠
* @param parent 父容器
*/
private function rank(parent:Sprite):void{
for(var j:int = 0;j<parent.numChildren;j++){
setPosition(parent.getChildAt(j),parent);
}
}
/**
* 递归调用，设置对象随机排列不重叠
* @param obj 显示对象
* @param parent 父级
* @param 对象之间的间距
*/
private function setPosition(obj:DisplayObject,parent:Sprite,dis:Number = 20):void
{
obj.x = Math.random()*(viewWidth-obj.width) ;
obj.y = Math.random()*(viewHeight-obj.height) ;
for(var i:int = 0;i<parent.numChildren;i++){
if(obj != parent.getChildAt(i)){
//不重叠，没有间距
/*if(obj.hitTestObject(parent.getChildAt(i))){
setPosition(obj);
return;
}*/
//不重叠，并有一定间距dis，间距为0效果同上
if(Math.abs(obj.x-parent.getChildAt(i).x)<obj.width+dis&&Math.abs(obj.y-parent.getChildAt(i).y)<obj.height+dis){
setPosition(obj,parent);
return;
}
}
}
}
private function enterFrame(evt:Event):void
{
var c:int = _bubbles.length;
for (var i:int = 0; i < c; i++)
{
var bubble:ColorfulBubble = _bubbles[i];
move(bubble);
if (bubble.isHold)
{
var res:Boolean = false;
for (var j:int = i+1; j < c; j++)
{
var bubble1:ColorfulBubble = _bubbles[j];
var dx:Number = bubble1.x - bubble.x;
var dy:Number = bubble1.y - bubble.y;
var dis:Number = Math.sqrt(dx * dx + dy * dy);
if (dis < bubble.radius + bubble1.radius)
{
res = true;
break;
}
}
bubble.isHold = res;
}
else
{
for (j = i + 1; j < c; j++)
{
checkTouch(_bubbles[i], _bubbles[j]);
}
}
bubble.addEventListener(Event.CONNECT,onConnect);
}
}
private function onConnect(event:Event):void
{
var num:int = event.target.name.split("_")[1];
this.dispatchEvent(new Event(Event.CONNECT));
}
/**
* 泡泡运动边界控制
*/
private function move(bubble:ColorfulBubble):void
{
var radius:Number = bubble.radius;
if (bubble.x + radius > viewWidth)
{
bubble.dragStop();
bubble.x = viewWidth - radius;
bubble.vx *= bo;
}
else if (bubble.x - radius < 0)
{
bubble.dragStop();
bubble.x = radius;
bubble.vx *= bo;
}
if (bubble.y + radius > viewHeight)
{
bubble.dragStop();
bubble.y = viewHeight - radius;
bubble.vy *= bo;
}
else if (bubble.y - radius < 0)
{
bubble.dragStop();
bubble.y = radius;
bubble.vy *= bo;
}
}
/**
* 检测两个彩色泡泡是否有碰撞
*/
private function checkTouch(bubble0:ColorfulBubble, bubble1:ColorfulBubble):void
{
var dx:Number = bubble1.x - bubble0.x;
var dy:Number = bubble1.y - bubble0.y;
var dis:Number = Math.sqrt(dx * dx + dy * dy);
if (dis < bubble0.radius + bubble1.radius)
{
var angle:Number = Math.atan2(dy, dx);
var sin:Number = Math.sin(angle);
var cos:Number = Math.cos(angle);
var x0:Number = 0;
var y0:Number = 0;
var x1:Number = dx * cos + dy * sin;
var y1:Number = dy * cos - dx * sin;
var vx0:Number = bubble0.vx * cos + bubble0.vy * sin;
var vy0:Number = bubble0.vy * cos - bubble0.vx * sin;
var vx1:Number = bubble1.vx * cos + bubble1.vy * sin;
var vy1:Number = bubble1.vy * cos - bubble1.vx * sin;
var vxTotal:Number = vx0 - vx1;
vx0 = ((bubble0.mass - bubble1.mass) + vx0 + 2 * bubble1.mass * vx1) / (bubble0.mass + bubble1.mass);
vx1 = vxTotal + vx0;
////////////
//x0 += vx0;
//x1 += vx1;
var absV:Number = (vx0 < 0? -vx0 : vx0) + (vx1 < 0? -vx1 : vx1);
var xd:Number = x0 - x1;
xd = xd < 0? -xd : xd;
var overlap:Number = (bubble0.radius + bubble1.radius) - xd;
x0 += vx0 / absV * overlap;
x1 += vx1 / absV * overlap;
////////////
var x0F:Number = x0 * cos - y0 * sin;
var y0F:Number = y0 * cos + x0 * sin;
var x1F:Number = x1 * cos - y1 * sin;
var y1F:Number = y1 * cos + x1 * sin;
bubble1.x = bubble0.x + x1F;
bubble1.y = bubble0.y + y1F;
bubble0.x = bubble0.x + x0F;
bubble0.y = bubble0.y + y0F;
bubble0.vx = vx0 * cos - vy0 * sin;
bubble0.vy = vy0 * cos + vx0 * sin;
bubble1.vx = vx1 * cos - vy1 * sin;
bubble1.vy = vy1 * cos + vx1 * sin;
bubble0.dragStop();
bubble1.dragStop();
}
}
private function rgb():uint {
return (Math.random() * 0xffffff);
}
}
}
单个气泡控制类
package com.views
{
import com.res.BubbleRes;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.ColorTransform;
/**
* @author Frost.Yen
* @E-mail [email protected]
* @create 2016-12-28 下午2:12:09
*
*/
public class ColorfulBubble extends Sprite
{
private var _bubble:BubbleRes;//彩色泡泡元件
private var _downX:Number;
private var _downY:Number;
/**
* 摩擦力
*/
private var _fr:Number = 0.99;
private var _radius:Number = 129;
private var _tmpx:Number;
private var _tmpy:Number;
private var _ct:ColorTransform = new ColorTransform();
private var _color:uint = 0xff00ff;
public var vx:Number = 0;
public var vy:Number = 0;
public var ax:Number = 0;
public var ay:Number = 0;
public var max_speed:Number = 1;
/**
* 质量
*/
public var mass:Number = 50;
public var isHold:Boolean = true;
public var move:Function;
public function ColorfulBubble()
{
initViews();
initEventListeners();
}
private function initViews():void
{
_bubble = new BubbleRes();
this.addChild(_bubble);
ax = getRandom();
ay = getRandom();
move = usualMove;
}
private function initEventListeners():void
{
_bubble.addEventListener(MouseEvent.MOUSE_DOWN, onStartDrag);
addEventListener(Event.ENTER_FRAME, enterFrame);
}
private function enterFrame(evt:Event):void
{
move();
}
private function onStartDrag(evt:MouseEvent):void
{
_downX=mouseX;
_downY=mouseY;
stage.addEventListener(MouseEvent.MOUSE_UP, onStageUp);
vx = vy = 0;
ax = ay = 0;
_tmpx = stage.mouseX;
_tmpy = stage.mouseY;
move = dragMove;
//this.startDrag();
}
private function onStageUp(evt:MouseEvent):void
{
if(Math.sqrt((mouseX-_downX)*(mouseX-_downX)+(mouseY-_downY)*(mouseY-_downY))<10)
{
this.dispatchEvent(new Event(Event.CONNECT));
}else
{
}
dragStop();
}
public function dragStop():void
{
if(stage)
{
stage.removeEventListener(MouseEvent.MOUSE_UP, onStageUp);
}
move = usualMove;
}
private function usualMove():void
{
var box:Boolean = vx < 0;
var boy:Boolean = vy < 0;
vx = box ? -vx : vx;
vy = boy ? -vy : vy;
vx *= _fr;
vy *= _fr;
//bubble.ax *= fr;
//bubble.ay *= fr;
if (vx < .1)
{
//vx = Math.random() * 8 - 4;
ax = getRandom();
}
else if (vx > max_speed)
{
ax = 0;
}
if (vy < .1)
{
//vy = Math.random() * 8 - 4;
ay = getRandom();
}
else if (vy > max_speed)
{
ay = 0;
}
vx = (box ? -vx : vx) + ax;
vy = (boy ? -vy : vy) + ay;
this.x += vx;
this.y += vy;
}
private function dragMove():void
{
vx = stage.mouseX - _tmpx;
vy = stage.mouseY - _tmpy;
_tmpx = stage.mouseX;
_tmpy = stage.mouseY;
this.x += vx;
this.y += vy;
vx *= .5;
vy *= .5;
}
private function getRandom():Number
{
return Math.random() / (Math.random()*3-3) - .05;
}
public function set radius(r:Number):void
{
var scale:Number = r * 2 / _bubble.width;
this.width *= scale;
this.height *= scale;
_radius = this.width / 2;
this.cacheAsBitmap = true;
}
public function get radius():Number
{
return _radius;
}
private function rgb():uint {
return (Math.random() * 0xffffff);
}
public function get color():uint
{
return _color;
}
public function set color(value:uint):void
{
_ct.color = value;
_bubble.transform.colorTransform = _ct;
_color = value;
}
}
}
时间： 2024-11-03 22:44:52