絡まないの？ forked from: Snake
マウスを追うヘビ
* drawPathやめました
/**
* Copyright Kay ( http://wonderfl.net/user/Kay )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/de9c
*/
// forked from SeeDa's Snake
// forked from SeeDa's Hairs
/*
* マウスを追うヘビ
* drawPathやめました
*/
package {
import flash.display.*;
import flash.geom.*;
import flash.events.*;
[SWF(width="465",height="465",backgroundColor="0x33aa66",frameRate="60")]
public class Main extends Sprite {
public function Main():void {
for (var i:uint = 0; i < 10; i++) {
var snake:Snake = new Snake();
addChild(snake);
snake.x = Math.random()*465;
snake.y = Math.random()*465;
}
Wonderfl.capture_delay( 30 );
}
}
}
import flash.display.*;
import flash.events.*;
import flash.geom.*;
import flash.filters.*;
class Snake extends Sprite {
private var nSpeed:Number;
private var nColor:uint;
private var points:Vector.<Number> = new Vector.<Number>();
private var commands:Vector.<int> = new Vector.<int>();
private var pointsNum:uint = 60;
private var pointDist:Number = 4;
private var vibration:Number = 0;
private var headP:Point;
private var dsFilter:DropShadowFilter = new DropShadowFilter(2,30,0x668866,1);
public function Snake():void {
nSpeed = Math.random()*5+2;
vibration = Math.random()*Math.PI;
nColor = 0xffffff;
commands.push(1);
points.push(mouseX,mouseY);
headP = new Point(mouseX,mouseY);
for (var i:uint = 1; i < pointsNum; i++) {
points.push(mouseX, mouseY);
commands.push(2);
}
addEventListener(Event.ENTER_FRAME, xMove);
}
private function xMove(e:Event):void {
// ターゲットまでの距離を求める
var mX:Number = mouseX;
var mY:Number = mouseY;
var dist:Number = Point.distance(new Point(headP.x,headP.y), new Point(mX, mY));
if(dist > 30) {
// ターゲットへの角度を求める
var radian:Number = Math.atan2(mY-headP.y, mX-headP.x);
// 振動値を加える
var vibR:Number = radian+Math.PI/2;
var vibX:Number = (50 * Math.cos(vibR)) * Math.sin(vibration);
var vibY:Number = (50 * Math.sin(vibR)) * Math.sin(vibration);
// 移動
points[0] = headP.x + Math.cos(radian)*nSpeed;
points[1] = headP.y + Math.sin(radian)*nSpeed;
headP = new Point(points[0],points[1]);
vibration+=0.2;
points[0] += vibX;
points[1] += vibY;
// 2番目以降の点を移動する
for (var i:uint = 1; i < pointsNum; i++) {
var tP:Point = new Point(points[i*2-2], points[i*2-1]);
var cP:Point = new Point(points[i*2], points[i*2+1]);
dist = Point.distance(tP,cP);
if (dist > pointDist) {
var dX:Number = tP.x - cP.x;
var dY:Number = tP.y - cP.y;
var rad:Number = Math.atan2(dX,dY);
dist -= pointDist;
points[i*2] += Math.sin(rad) * dist;
points[i*2+1] += Math.cos(rad) * dist;
}
}
// 再描画
graphics.clear();
graphics.lineStyle(8,nColor);
graphics.moveTo(points[0],points[1]);
for (i = 1; i < pointsNum; i++) {
if (i > pointsNum-40) {
graphics.lineStyle(8*(pointsNum-i)/(pointsNum-40)/2,nColor);
}
graphics.lineTo(points[i*2],points[i*2+1]);
}
// 目玉をつけてみよう
var eyeR:Number = Math.atan2(points[3]-points[1],points[2]-points[0]) + Math.PI/2;
var eyeX:Number = (4 * Math.cos(eyeR));
var eyeY:Number = (4 * Math.sin(eyeR));
var headX:Number = (points[0]+points[2])/2;
var headY:Number = (points[3]+points[1])/2;
graphics.lineStyle(0,0,0);
graphics.beginFill(0xff6666);
graphics.drawCircle(headX+eyeX, headY+eyeY, 2);
graphics.drawCircle(headX-eyeX, headY-eyeY, 2);
filters = [dsFilter];
}
}
}