/**
* Copyright h_kamizono ( http://wonderfl.net/user/h_kamizono )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/wfcK
*/
// ref
// Flash Math & Physics Design ActionScript 3.0による数学・物理学表現[実践編]
package {
import flash.display.Sprite;
import flash.display.MovieClip;
public class FlashTest extends MovieClip {
public function FlashTest() {
// write as3 code here..
var kazuH:Number = 4;
var kazuV:Number = 1;
var intervalH:Number = 120;
var intervalV:Number = 200;
for (var i:Number = 0; i < kazuH; ++i) {
for (var j:Number = 0; j < kazuV; ++j) {
var tx:Number = stage.stageWidth/2
- intervalH*(kazuH - 1)/2
+ intervalH*i;
var ty:Number = stage.stageHeight/2
- intervalV*(kazuV - 1)/2
+ intervalV*j;
addChild(new ThePlate(tx, ty));
addChild(new TheCircle(tx, ty));
addChild(new TheTriangle(tx, ty));
}
}
}
}
}
import flash.display.ShaderPrecision;
import flash.accessibility.Accessibility;
import flash.display.Shape;
import flash.display.AVM1Movie;
import flash.trace.Trace;
import flash.display.Sprite;
import flash.events.MouseEvent;
import flash.events.TimerEvent;
import flash.geom.Point;
import flash.utils.Timer;
class TheShape extends Sprite {
public var pin:Sprite = new Sprite();
public var shapeContent:Sprite = new Sprite();
public var ppt:PhysicalPoint;
public var isPressed:Boolean = false;
public var curMouse:Point;
public var preMouse:Point;
public var color:Number = (Math.random()*10000000)%1677215;
public function onMDown(ev:MouseEvent) :void {
parent.setChildIndex(this, parent.numChildren-1);
ppt.x = curMouse.x;
ppt.y = curMouse.y;
var kaitenX:Number = (curMouse.x - this.x)
* Math.cos(-ppt.angle)
- (curMouse.y - this.y)
* Math.sin(-ppt.angle);
var kaitenY:Number = (curMouse.x - this.x)
* Math.sin(-ppt.angle)
+ (curMouse.y - this.y)
* Math.cos(-ppt.angle);
shapeContent.x -= kaitenX;
shapeContent.y -= kaitenY;
this.x = ppt.x;
this.y = ppt.y;
isPressed = true;
}
public function onMUp(ev:MouseEvent) :void {
isPressed = false;
}
public function loop(event:TimerEvent) :void {
preMouse = curMouse;
curMouse = this.localToGlobal(
new Point(this.mouseX, this.mouseY));
ppt.setKakuKasokudo2(
-Math.atan2(shapeContent.y, shapeContent.x) + Math.PI/2, 30);
if (isPressed) {
ppt.x = curMouse.x;
ppt.y = curMouse.y;
var mouseAngle:Number = Math.atan2(
curMouse.y - preMouse.y,
curMouse.x - preMouse.x);
var mouseDist:Number = Point.distance(
new Point(curMouse.x, curMouse.y),
new Point(curMouse.x, curMouse.y));
var distpar:Number = Point.distance(
new Point(shapeContent.x, shapeContent.y),
new Point(0, 0)) / (Math.sqrt(
shapeContent.width * shapeContent.width +
shapeContent.height * shapeContent.height)/2);
var k:Number = Math.atan2(shapeContent.y,
shapeContent.x) + ppt.angle;
var h:Number = mouseAngle + Math.PI;
var ak:Number = mouseDist * distpar * Math.sin(h-k);
ppt.setKakuKasokudo(ak*3);
}
this.x = ppt.x;
this.y = ppt.y;
this.rotation = ppt.angle/Math.PI*180;
}
}
class TheCircle extends TheShape {
public var r:Number = 50;
function TheCircle(xx:Number, yy:Number) {
ppt = new PhysicalPoint(xx, yy);
pin.graphics.lineStyle(1, 0x222222);
pin.graphics.beginFill(0x222222);
pin.graphics.drawCircle(0, 0, 5);
pin.graphics.endFill();
shapeContent.graphics.clear();
shapeContent.graphics.lineStyle(1, 0x000000);
//var color:Number = (Math.random()*10000000)%1677215;
shapeContent.graphics.beginFill(color, 0.8);
shapeContent.graphics.drawCircle(0, 0, r);
shapeContent.graphics.endFill();
addChild(shapeContent);
addChild(pin);
curMouse = this.localToGlobal(
new Point(this.mouseX, this.mouseY));
addEventListener(MouseEvent.MOUSE_DOWN, onMDown);
addEventListener(MouseEvent.MOUSE_UP, onMUp);
var timer:Timer = new Timer(33);
timer.addEventListener(TimerEvent.TIMER, loop);
timer.start();
}
}
class TheTriangle extends TheShape {
public var edge:Number = 100;
public var tmp:Number = 0.433012702;
function TheTriangle(xx:Number, yy:Number) {
ppt = new PhysicalPoint(xx, yy);
pin.graphics.lineStyle(1, 0x222222);
pin.graphics.beginFill(0x222222);
pin.graphics.drawCircle(0, 0, 5);
pin.graphics.endFill();
shapeContent.graphics.clear();
shapeContent.graphics.lineStyle(1, 0x000000);
//var color:Number = (Math.random()*10000000)%1677215;
shapeContent.graphics.beginFill(color, 0.8);
var vertices:Vector.<Number>=Vector.<Number>([0,tmp*edge, (edge/2),-(tmp*edge), -(edge/2),-(tmp*edge)]);
shapeContent.graphics.drawTriangles(vertices);
shapeContent.graphics.endFill();
addChild(shapeContent);
addChild(pin);
curMouse = this.localToGlobal(
new Point(this.mouseX, this.mouseY));
addEventListener(MouseEvent.MOUSE_DOWN, onMDown);
addEventListener(MouseEvent.MOUSE_UP, onMUp);
var timer:Timer = new Timer(33);
timer.addEventListener(TimerEvent.TIMER, loop);
timer.start();
}
}
class ThePlate extends TheShape {
public var haba:Number = 80;
public var takasa:Number = 160;
function ThePlate(xx:Number, yy:Number) {
ppt = new PhysicalPoint(xx, yy - takasa/4);
pin.graphics.lineStyle(1, 0x222222);
pin.graphics.beginFill(0x222222);
pin.graphics.drawCircle(0, 0, 5);
pin.graphics.endFill();
shapeContent.graphics.clear();
shapeContent.graphics.lineStyle(1, 0x000000);
var color:Number = (Math.random()*10000000)%1677215;
shapeContent.graphics.beginFill(color, 0.8);
shapeContent.graphics.drawRect(
-haba/2, -takasa/2, haba, takasa);
shapeContent.graphics.endFill();
shapeContent.y = takasa/4;
addChild(shapeContent);
addChild(pin);
curMouse = this.localToGlobal(
new Point(this.mouseX, this.mouseY));
addEventListener(MouseEvent.MOUSE_DOWN, onMDown);
addEventListener(MouseEvent.MOUSE_UP, onMUp);
var timer:Timer = new Timer(33);
timer.addEventListener(TimerEvent.TIMER, loop);
timer.start();
}
}
class PhysicalPoint extends Point {
public var vx:Number, vy:Number;
public var ax:Number, ay:Number;
public var b:Number;
public var sakkiTime:Number;
public var timer:Timer;
public var preX:Number, preY:Number;
public var kb:Number;
public var angle:Number;
public var preAngle:Number;
public var kakusokudo:Number;
public var kakukasokudo:Number;
public var limitter:Number = 0.3;
function PhysicalPoint(xx: Number = 0, yy:Number = 0, an:Number = 0) {
x = xx; y = yy;
preX = xx; preY = yy;
b = 1;
vx = 0; vy = 0;
ax = 0; ay = 0;
angle = an;
preAngle = an;
kb = 1;
kakusokudo = 0;
kakukasokudo = 0;
sakkiTime = new Date().getTime();
timer = new Timer(33);
timer.addEventListener(TimerEvent.TIMER, loop);
timer.start();
}
public function loop(event:TimerEvent) :void {
var nowTime:Number = new Date().getTime();
var t:Number = (nowTime - sakkiTime)/1000;
if (t > limitter) t = limitter;
preX = x;
preY = y;
x += vx*t + 0.5*ax*t*t;
y += vy*t + 0.5*ay*t*t;
vx += ax*t; vy += ay*t;
vx *= b; vy *= b;
ax = 0; ay = 0;
preAngle = angle;
angle += kakusokudo * t + 0.5*kakukasokudo*t*t;
kakusokudo += kakusokudo*t;
kakusokudo *= kb;
kakukasokudo = 0;
sakkiTime = nowTime;
}
public function setKasokudo(aax:Number = 0, aay:Number = 0) :void {
ax += aax;
ay += aay;
}
public function setKasokudoByPolar(r:Number=0, dire:Number = 0) :void {
ax += r*Math.cos(dire);
ay += r*Math.sin(dire);
}
public function setKakuKasokudo(aan:Number = 0) :void {
kakukasokudo += aan;
}
public function setKakuKasokudo2(dire:Number, val:Number) :void {
var aan:Number = val * Math.sin(dire - angle);
setKakuKasokudo(aan);
}
}
