/**
* Copyright hashito ( http://wonderfl.net/user/hashito )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/rMb9
*/
// forked from hashito's 文字集まる修正
// MainStage
package {
import flash.display.Sprite;
[SWF(frameRate=60,width=456,height=456)]
public class MainStage extends Sprite {
public function MainStage(){
addChild(new Main());
}
}
}
import flash.display.*;
import flash.filters.BlurFilter;
import flash.geom.Point;
import flash.geom.ColorTransform;
import flash.events.*;
import flash.utils.Timer;
import flash.text.TextField;
import flash.text.TextFormat;
import net.hires.debug.Stats;
// debug
class debug{public static var out:TextField=new TextField();}
/*t.hashito*/
class MF{
public static function AFFORD (x:Number,aim:Number,a:Number):Boolean{return (x<=(a+aim))&&(x>=(a-aim));}
public static function RAN (n:Number=1):Number{return (Math.random()*n);}
public static function ISPM (n:Number):Number{if(n<0){return -1;}else if(n>0){return 1;}return 0;}
public static function MAX (n:Number,max:Number):Number{return (n>max)?max:n;}
public static function MIN (n:Number,min:Number):Number{return (n<min)?min:n;}
public static function LIMIT (n:Number,max:Number,min:Number):Number{if(n>max){return max;}else if(n<min){return min;}else{return n};}
public static function RAD_ANG(n:Number):Number{return n*180/Math.PI}
public static function ANG_RAD(n:Number):Number{return n*Math.PI/180 }
public static function LATCH(v:Boolean,s:Boolean,r:Boolean):Boolean{if(s)v=true;if(r)v=false;return v;}
public static function ONE_SHOT_ON(v:Boolean,o:Boolean):Boolean{var r:Boolean = (v==(!o));o=v;return r;}
public static function DOT2(x1:Number,y1:Number,x2:Number,y2:Number):Number{return x1 * x2 + y1 * y2; }//内積
public static function SLOPE(x1:Number,y1:Number,x2:Number,y2:Number):Number{if((x1-x2)!=0)return (y1-y2)/(x1-x2);return 0; }//傾き
public static function DISTANCE(x1:Number,y1:Number,x2:Number,y2:Number):Number{var a:Number=(x2-x1);var b:Number=(y2-y1);return Math.sqrt(a*a+b*b);}//距離
}
class Main extends Sprite{
public const H:Number = 456,W:Number = 456;
public var mx:Number = 0,my:Number = 0;
public var ksp:Boolean = false;
public var la:Shape = new Shape(),la1x:Number,la1y:Number,la2x:Number,la2y:Number;
public var lb:Shape = new Shape(),lb1x:Number,lb1y:Number,lb2x:Number,lb2y:Number;
public var cross:Shape = new Shape();
public var t:Shape = new Shape();
public var select:int = 0;
public const SELMAX:int = 4;
// constructor
public function Main() {addEventListener(Event.ADDED_TO_STAGE, init);}
// init
public function init(e:*):void{
// debug
debug.out.autoSize=flash.text.TextFieldAutoSize.LEFT;
addChild(debug.out);
la1x = MF.RAN(W);
la1y = MF.RAN(H);
la2x = MF.RAN(W);
la2y = MF.RAN(H);
lb1x = MF.RAN(W);
lb1y = MF.RAN(H);
lb2x = MF.RAN(W);
lb2y = MF.RAN(H);
//line init
addChild(la);
addChild(lb);
// cross init
addChild(cross);
addEventListener(Event.ENTER_FRAME ,ef);
stage.addEventListener(KeyboardEvent.KEY_DOWN ,key);
var s:Stats = new Stats();
addChild(s);
}
public function key(e:KeyboardEvent=null):void{
if (e.keyCode == 32) {// space
if(SELMAX <= ++select)
select = 0;
}
}
public function ef(e:Event=null):void{
mx = mouseX;
my = mouseY;
if(select == 0){ la1x=mx;la1y=my;
}else if(select == 1){ la2x=mx;la2y=my;
}else if(select == 2){ lb1x=mx;lb1y=my;
}else if(select == 3){ lb2x=mx;lb2y=my;
}else{}
la.graphics.clear();
la.graphics.lineStyle(2,0xff0000);
la.graphics.moveTo(la1x,la1y);
la.graphics.lineTo(la2x,la2y);
lb.graphics.clear();
lb.graphics.lineStyle(2,0xffff00);
lb.graphics.moveTo(lb1x,lb1y);
lb.graphics.lineTo(lb2x,lb2y);
// http://atelier-peppe.jp/programTips/GEOMETRIC/KIKA_7.html
// 参考にしました。。。
var rx:Number,ry:Number,br:Boolean=false;
var b1:Number,m1:Number;
var b2:Number,m2:Number;
var minX:Number,minY:Number,maxX:Number,maxY:Number;
// ** まず、それぞれの線分を線として交点を求める
// line1は垂直ではない(y軸に平行ではない)
if(la1x != la2x){
// 1の傾き
m1 = (la2y - la1y) / (la2x - la1x);
// 1の切片
b1 = la2y - (m1 * la2x);
// line2は垂直ではない(y軸に平行ではない)
if(lb1x != la2x){
// 2の傾き
m2 = (lb2y - lb1y) / (lb2x - lb1x);
// 2の切片
b2 = lb2y - (m2 * lb2x);
// もし線が平行の場合は、交点はない
if(m2 == m1){
// 平行 ***
br = false;
}
else{
// 直線の公式にのっとって、交点を算出
rx = (b1 - b2) / (-(m1 - m2));
ry = m1 * rx + b1;
}
}
// line2は垂直
else{
// line2は垂直なので、x値は変わらない
rx = lb1x;
// 直線の公式に当てはめる
ry = m1 * rx + b1;
}
}
// line1は垂直(y軸に平行)
else{
// line2が垂直の場合、平行
if(lb1x == lb2x){
// 平行**
br = false;
}
else{
// 2の傾き
m2 = (lb2y - lb1y) / (lb2x - lb1x);
// 2の切片
b2 = lb2y - (m2 * lb2x);
// line1は垂直なので、x値は変わらない
rx = la1x;
// 直線の公式に当てはめる
ry = m2 * rx + b2;
}
}
// **求めた交点が、それぞれの線分の領域に乗っているか
minX = la1x < la2x ? la1x : la2x;
minY = la1y < la2y ? la1y : la2y;
maxX = la1x < la2x ? la2x : la1x;
maxY = la1y < la2y ? la2y : la1y;
if(maxX >= rx && minX <= rx
&& maxY >= ry && minY <= ry
){
minX = lb1x < lb2x ? lb1x : lb2x;
minY = lb1y < lb2y ? lb1y : lb2y;
maxX = lb1x < lb2x ? lb2x : lb1x;
maxY = lb1y < lb2y ? lb2y : lb1y;
if(maxX >= rx && minX <= rx
&& maxY >= ry && minY <= ry
){
br = true;
}
}else{
debug.out.text="out";
}
cross.x = rx;
cross.y = ry;
cross.graphics.beginFill(0xeeeeff);
if(br)
cross.graphics.beginFill(0x000000);
cross.graphics.drawCircle(0,0,5);
debug.out.x=la1x;
debug.out.y=la1y;
//debug.out.text=""+ MF.SLOPE(la1x,la1y,la2x,la2y);
//debug.out.text="x="+t.bits[0].x+" y="+t.bits[0].y+" vx="+t.bits[0].vx+" vy="+t.bits[0].vy+" ax="+t.bits[0].ax+" ay="+t.bits[0].ay;
}
}
