Als ich ein Sprite in die richtige Richtung festlegen müssen, wenn der Ball Instanz es ist „Rotation Pseudo“ ändern (ich vermeide hier die hitTest Features) ...
Ich habe jetzt zwei Klassen ... Findest du, dass ich auf der hellen Seite des Codes suche oder ist es völlig unklar? ;)
Das ist nur ein Test, und ich habe seit ein paar Jahren keine Zeit mehr zum Codieren gebraucht. Also dieser Test ist nur einige Grundlagen über Trigonometrie zu revidieren ... Zögern Sie nicht, unhöflich zu sein, wenn ich falsch liege!
Meine neue Klasse Main:
package com
{
import com.display.Ball;
import flash.display.Graphics;
import flash.display.MovieClip;
import flash.display.Sprite;
import flash.display.StageAlign;
import flash.display.StageScaleMode;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Point;
[SWF(width = "400", height = "300", frameRate = "60", backgroundColor = "#dddddd")]
public class Main extends MovieClip
{
private var b1:Ball;
private var b2:Ball;
private var b3:Ball;
private var b4:Ball;
private var b5:Ball;
private var testClip:Sprite;
private const ANGLE_TOP_LEFT:int=135;
private const ANGLE_BOTTOM_LEFT:int=-135;
private const ANGLE_TOP_RIGHT:int=45;
private const ANGLE_BOTTOM_RIGHT:int=-45;
public function Main()
{
stage.align = StageAlign.TOP_LEFT;
stage.scaleMode = StageScaleMode.NO_SCALE;
trace("stageSize = " + getStageSize() + ", fps = " + stage.frameRate);
drawlineGuides();
addBalls();
stage.addEventListener(Event.RESIZE,onStageResize);
}
private function addBalls():void{
b1 = new Ball(500/2,250/2,10);
addChild(b1);
b1.color = 0x6666cc;
b1.rota = 135;
b1.drawBall();
b1.move(5);
b2 = new Ball(100,100,10);
addChild(b2);
b2.color = 0xff9900;
b2.rota = -110;
b2.drawBall();
b2.move(4);
b3 = new Ball(50,80,10);
addChild(b3);
b3.color = 0xff0000;
b3.rota = 60;
b3.drawBall();
b3.move(3);
b4 = new Ball(75,20,10);
addChild(b4);
b4.color = 0x00aa00;
b4.rota = 10;
b4.drawBall();
b4.move(4);
b5 = new Ball(125,130,10);
addChild(b5);
b5.color = 0x8457a2;
b5.rota = -45;
b5.drawBall();
b5.move(4);
stage.addEventListener(MouseEvent.MOUSE_DOWN,b1.pauseResume);
stage.addEventListener(MouseEvent.MOUSE_DOWN,b2.pauseResume);
stage.addEventListener(MouseEvent.MOUSE_DOWN,b3.pauseResume);
stage.addEventListener(MouseEvent.MOUSE_DOWN,b4.pauseResume);
stage.addEventListener(MouseEvent.MOUSE_DOWN,b5.pauseResume);
}
private function rotate(e:Event):void{
testClip.rotation = b2.rotation-45;
}
private function getStageSize():Point{
var p:Point= new Point(stage.stageWidth,stage.stageHeight);
return p;
}
private function drawlineGuides():void{
var g:Graphics = this.graphics;
g.clear();
g.lineStyle(1,0x000000,1);
g.moveTo(0,stage.stageHeight/2);
g.lineTo(stage.stageWidth,stage.stageHeight/2);
g.moveTo(stage.stageWidth/2,0);
g.lineTo(stage.stageWidth/2,stage.stageHeight);
}
private function onStageResize(e:Event):void{
drawlineGuides();
}
}
}
Und hier ist meine neue Klasse Ball:
package com.display
{
/* this import is optionnal
if you want to run this class without the BongSound instance
comment all lines where the var bSound is called
*/
//import com.media.sound.BongSound;
import flash.display.Graphics;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Point;
import flash.media.Sound;
public class Ball extends Sprite
{
private var _radius:int;
private var _rotation:Number;
private var _color:int;
private var _g:Graphics;
private var _g2:Graphics;
private var _speed:Number;
private var speedx:Number;
private var speedy:Number;
public var rota:Number;
private var smallCircle:Sprite;
private var rendered:Boolean = false;
public var paused:Boolean = false;
private const ZERO:uint = 0;
//private var bSound:BongSound;
/**
* Ball(posx:Number,posy:Number,radius:uint)<br/>
* this constructor create an instance of a bouncing ball<br/>
* the posx and posy must be included in the range of the defined stageWidth and stageHeight!<br/>
* Otherwise, the ball will be placed in the stage range.
*/
public function Ball(posx:Number,posy:Number,radius:uint)
{
//bSound = new BongSound();
smallCircle = new Sprite();
this.addChild(smallCircle);
this._radius = radius;
this.x = posx;
this.y = posy;
_g = this.graphics;
_g2 = smallCircle.graphics;
}
private function checkStageSize():void{
if(this.x + radius + speedx >= this.stage.stageWidth){
this.x = this.stage.stageWidth - this.width;
}
if(this.y + radius + speedy >= this.stage.stageHeight){
this.y = this.stage.stageHeight - this.height;
}
if(this.x - radius + speedx <= ZERO){
this.x = this.width;
}
if(this.y - radius + speedy <= ZERO){
this.y = this.height;
}
}
public function get speed():Number
{
return _speed;
}
public function set speed(value:Number):void
{
_speed = value;
}
public function get color():int
{
return _color;
}
public function set color(value:int):void
{
_color = value;
}
public function get radius():int
{
return _radius;
}
public function set radius(value:int):void
{
_radius = value;
}
/**
* drawBall()<br/>
* this function draws the main Ball Object
*/
public function drawBall():void
{
_g.clear();
_g.lineStyle(1,0x666666,1);
_g.beginFill(_color,1);
_g.drawCircle(0,0,this._radius);
_g.endFill();
_g.lineStyle(1,0x666666,1);
_g.beginFill(0xffffff,1);
_g.endFill();
}
/**
* drawPoint()<br/>
* this function draws the Point Object wich is placed in the direction/rotation of the main Ball instance.
*/
public function drawPoint():void{
_g2.clear();
_g2.lineStyle(1,0x666666,1);
_g2.beginFill(0xffffff,1);
_g2.drawCircle(ZERO, ZERO, this._radius/2);
smallCircle.x = Math.sin(deg2rad(rota+90))*this.radius/2;
smallCircle.y = Math.cos(deg2rad(rota+90))*this.radius/2;
_g2.endFill();
}
/**
* move(speed:Number):void<br/>
* this function set the speed and makes the Ball move.<br/>
* The displace function is called when an ENTER_FRAME event is triggered.
*/
public function move(speed:Number):void{
this.speed = speed;
this.addEventListener(Event.ENTER_FRAME,displace);
}
/**
* getRota():Number<br/>
* this function returns the rotation of the Ball instance.<br/>
* the rotation is returned in degrees.
*/
public function getRota():Number{
return rad2deg(Math.atan2(speedy,speedx));
}
/**
* pauseResume(e:MouseEvent):void
* Pause or resume movement.
*/
public function pauseResume(e:MouseEvent):void{
switch(paused){
case false:
this.removeEventListener(Event.ENTER_FRAME,displace);
paused = true;
break;
case true:
this.addEventListener(Event.ENTER_FRAME,displace);
paused = false;
break;
}
}
/**
* checkBounds():void<br/>
* <p>
* this function plays a Sound when the Ball instance hit the bounds.<br/>
* the rota variable is updated (even if the rotation of the Ball instance don't change).<br/>
* If the stage is resized, a call to checkStageSize() set the positions x & y in the bounds of the Stage.
* </p>
* @see checkStageSize()
*/
private function checkBounds():void{
if(this.x + radius + speedx >= this.stage.stageWidth){
//bSound.play();
rota = rad2deg(Math.atan2(-speedy,-speedx));
}
if(this.y + radius + speedy >= this.stage.stageHeight){
//bSound.play();
rota = rad2deg(Math.atan2(speedy,speedx));
}
if(this.x - radius + speedx <= ZERO){
//bSound.play();
rota = rad2deg(Math.atan2(-speedy,-speedx));
}
if(this.y - radius + speedy <= ZERO){
//bSound.play();
rota = rad2deg(Math.atan2(speedy,speedx));
}
checkStageSize();
}
/**
* <p>
* displace(e:Event):void
* displace the ball and calls drawPoint to place the sub-Sprite depending of the "rotation" of the Ball instance.</p>
* @see #drawPoint()
* @see #checkBounds()
*/
private function displace(e:Event):void{
checkBounds();
speedx = Math.sin(deg2rad(rota+90))*speed;
speedy = Math.cos(deg2rad(rota+90))*speed;
this.x += speedx;
this.y += speedy;
drawPoint();
}
public function deg2rad(value:Number):Number{
return value/180*Math.PI;
}
public function rad2deg(value:Number):Number{
return value*180/Math.PI;
}
}
}
Printscreens:
Es ist nun möglich, die Bewegungen auch weiterhin Wenn die Größe der Bühne geändert wird, werden die Probleme vermieden, die ich in der Vergangenheit hatte ...
Ich hoffe, dass die Bedeutung der "Pseudo-Rotation" in diesem Zusammenhang sinnvoll ist. :(??? Wenn Sie etwas Zeit haben, könnten Sie diese 2 Klassen testen (es gibt kein Element in der Bibliothek). Können Sie mir bitte sagen, ob ich in die richtige Richtung schaue oder ob das unklar bleibt ??? Vielen Dank – tatactic
Dies könnte helfen, zu verstehen, warum ich das Math.atan2 in der Funktion checkBounds() benutze, hoffe ich .. – tatactic