/**
* Copyright mutantleg ( http://wonderfl.net/user/mutantleg )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/yxmK
*/
package {
import flash.events.KeyboardEvent;
import flash.events.Event;
import flash.display.BitmapData;
import flash.display.Bitmap;
import flash.display.Sprite;
public class FlashTest extends Sprite {
public var pic:Bitmap;
public var screen:BitmapData;
public var myMap:cMap;
public function FlashTest() {
// write as3 code here..
screen = new BitmapData(200, 200, false, 0);
pic = new Bitmap(screen);
addChild(pic);
pic.scaleX = 2;
pic.scaleY = 2;
myMap = new cMap(500, 500);
myMap.drawMap(screen, 0, 0);
stage.addEventListener(Event.ENTER_FRAME, onEnter);
stage.addEventListener(KeyboardEvent.KEY_DOWN, kdown);
stage.addEventListener(KeyboardEvent.KEY_UP, kup);
}//ctor
public function kdown(e:KeyboardEvent):void
{ cKeyMan.setKey(e.keyCode, true); }//kdown
public function kup(e:KeyboardEvent):void
{ cKeyMan.setKey(e.keyCode, false); }//kup
public var camx:Number = 0;
public var camy:Number = 0;
public var myPlayer:cPlayer = new cPlayer();
public function onEnter(e:Event):void
{
myPlayer.update();
var tx:Number = myPlayer.cx - 100;
var ty:Number = myPlayer.cy - 100;
camx += (tx - camx) * 0.2;
camy += (ty - camy) * 0.2;
//keyref
//http://www.dakmm.com/?p=272
/*
if (cKeyMan.isKeyDown(39) ) { camx -= 1;}
if (cKeyMan.isKeyDown(37) ) { camx += 1;}
if (cKeyMan.isKeyDown(38) ) { camy += 1;}
if (cKeyMan.isKeyDown(40) ) { camy -= 1;}
*/
screen.lock();
screen.fillRect(screen.rect, 0x010140); //clear screen
myMap.drawMap(screen, camx, camy);
myPlayer.drawScroll(screen, camx, camy);
screen.unlock();
}//onenter
}//classend
}//package
import flash.geom.Point;
import flash.geom.Rectangle;
import flash.display.BitmapData;
internal class cPlayer
{
public var cx:Number = 125;
public var cy:Number = 125;
public var vx:Number = 0;
public var vy:Number = 0;
public var xrad:Number = 8;
public var yrad:Number = 8;
public function cPlayer()
{
cx = 50;
cy = 50;
}//ctor
public var rect:Rectangle = new Rectangle();
public function drawScroll(to:BitmapData, sx:Number, sy:Number):void
{
rect.x = (cx - sx)-xrad;
rect.y = (cy - sy)-yrad;
rect.width = xrad + xrad;
rect.height = yrad + yrad;
to.fillRect(rect, 0xFF0000);
}//drawscroll
public function update():void
{
//keyref
//http://www.dakmm.com/?p=272
vy += 0.125;
if (cKeyMan.isKeyDown(39) ) { vx += 1;}
if (cKeyMan.isKeyDown(37) ) { vx -= 1;}
if (cKeyMan.isKeyDown(38) ) { vy -= 1;}
if (cKeyMan.isKeyDown(40) ) { vy += 1;}
if (vx > 8) { vx = 8;}
if (vx < -8) { vx = -8;}
if (vy > 8) { vy = 8;}
if (vy < -8) { vy = -8;}
// if (cx < 0) { cx = 0;}
// if (cx >= MAP.width) {cx = MAP.width -1;}
vx *= 0.9;
// vy *= 0.9;
if (vy < 0 && cMap.MAP.isObstacle(cx,cy-yrad) ){ vy = 0;}
if (vy > 0 && cMap.MAP.isObstacle(cx,cy+yrad) ){ vy = 0;}
if (vx < 0 && cMap.MAP.isObstacle(cx-xrad,cy) ){ vx = 0;}
if (vx > 0 && cMap.MAP.isObstacle(cx+xrad,cy) ){ vx = 0;}
if (cMap.MAP.isObstacle(cx,cy+yrad))
{
var i:int;
for (i = 0; i < 8; i++)
{
if (!cMap.MAP.isObstacle(cx,cy+yrad-1)) { break;}
if (cMap.MAP.isObstacle(cx,cy-yrad-1)) { break; }
cy -=1;
}//nexti
}//endif
cx += vx;
cy += vy;
}///update
}//classendcplayer
internal class cMap
{
public var map:BitmapData;
//public var mask:BitmapData;
public var width:Number = 250;
public var height:Number = 250;
public static var MAP:cMap;
public function cMap(w:Number=250, h:Number=250)
{
MAP = this;
width = w;
height = h;
map = new BitmapData(w, h);
// mask = new BitmapData(w,h,false,0);
map.noise(1);
map.fillRect(new Rectangle(16,16,width-48,height-48), 0);
drawRect(0, 120, 120, 40, 0xFFFFff00);
}//ctor
public var tmpRect:Rectangle = new Rectangle();
public var destPoint:Point = new Point();
public function drawMap(to:BitmapData, sx:Number, sy:Number):void
{
tmpRect.x = sx;
tmpRect.y = sy;
tmpRect.width = to.width;
tmpRect.height = to.height;
to.copyPixels(map, tmpRect, destPoint);
}//drawmap
public function isObstacle(x:Number, y:Number):Boolean
{
if (x < 0) { return false; }
if (y < 0) { return false;}
if (x >= width) { return false; }
if (y >= height) { return false; }
return (map.getPixel32(x,y) != 0x000000);
}//isobstacle
public function drawRect(x:Number,y:Number,w:Number,h:Number, c:uint):void
{
tmpRect.x = x;
tmpRect.y = y;
tmpRect.width = w;
tmpRect.height = h;
map.fillRect(tmpRect, c);
}//drawrect
}//classendmap
internal class cKeyMan
{
public function cKeyMan() {}//ctor (unused)
public static var vecKey:Vector.<Boolean> = new Vector.<Boolean>(512,true);
public static function setKey(k:int, b:Boolean):void
{
if (k < 0) return;
if (k >= 512) return;
vecKey[k] = b;
}//setkey
public static function isKeyDown(k:int):Boolean
{
if (k < 0) return false;
if (k >= 512) return false;
return vecKey[k];
}//iskey
}//keyman
