SUPER SPEED SNAKE CHASES CURSOR
/**
* Copyright ABA ( http://wonderfl.net/user/ABA )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/xUSx
*/
package {
import flash.display.Sprite;
[SWF(width="465", height="465", backgroundColor="0", frameRate="60")]
public class Main extends Sprite {
public function Main() { initializeFirst(this); }
}
}
import flash.display.*;
import flash.geom.*;
import flash.filters.*;
import flash.events.*;
import flash.text.*;
import flash.utils.getTimer;
import org.si.sion.*;
var main:Main;
var bd:BitmapData;
var blurBd:BitmapData;
var baseSprite:Sprite = new Sprite;
var backgroundColor:uint = 0;
function initializeFirst(main:Main):void {
this.main = main;
screen = new Screen;
bd = new BitmapData(screen.size.x, screen.size.y, true, 0);
blurBd = new BitmapData(screen.size.x, screen.size.y, false, 0);
baseSprite.addChild(new Bitmap(blurBd));
main.addChild(baseSprite);
mouse = new Mouse;
key = new Key;
letter = new Letter;
initialize();
if (DEBUG) beginGame();
else setScoreRecordViewer();
main.addEventListener(Event.ACTIVATE, onActivated);
main.addEventListener(Event.DEACTIVATE, onDectivated);
main.addEventListener(Event.ENTER_FRAME, updateFrame);
}
var fadeFilter:ColorMatrixFilter = new ColorMatrixFilter([
1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0.8, 0]);
var blurFilter10:BlurFilter = new BlurFilter(10, 10);
var blurFilter20:BlurFilter = new BlurFilter(20, 20);
var zeroPoint:Point = new Point;
function updateFrame(event:Event):void {
bd.lock();
bd.fillRect(bd.rect, backgroundColor);
updateGame();
bd.unlock();
blurBd.lock();
blurBd.applyFilter(blurBd, blurBd.rect, zeroPoint, fadeFilter);
blurBd.copyPixels(bd, bd.rect, zeroPoint, null, null, true);
blurBd.applyFilter(blurBd, blurBd.rect, zeroPoint, blurFilter20);
blurBd.copyPixels(bd, bd.rect, zeroPoint, null, null, true);
blurBd.applyFilter(blurBd, blurBd.rect, zeroPoint, blurFilter10);
blurBd.copyPixels(bd, bd.rect, zeroPoint, null, null, true);
blurBd.unlock();
}
// ---- Math utils. ----
var sin:Function = Math.sin, cos:Function = Math.cos, atan2:Function = Math.atan2;
var sqrt:Function = Math.sqrt, abs:Function = Math.abs;
var PI:Number = Math.PI, PI2:Number = PI * 2, HPI:Number = PI / 2;
function getLength(x:Number, y:Number):Number {
return sqrt(x * x + y * y);
}
function clamp(v:Number, min:Number, max:Number):Number {
if (v > max) return max;
else if (v < min) return min;
return v;
}
function normalizeAngle(v:Number):Number {
var r:Number = v % PI2;
if (r < -PI) r += PI2;
else if (r > PI) r -= PI2;
return r;
}
function aimAngle(angle:Number, targetAngle:Number, angleVel:Number):Number {
var oa:Number = normalizeAngle(targetAngle - angle);
var r:Number;
if (oa > angleVel) r = angle + angleVel;
else if (oa < -angleVel) r = angle - angleVel;
else r = targetAngle;
return normalizeAngle(r);
}
class Xy extends Vector3D {
public function Xy(x:Number = 0, y:Number = 0) {
super(x, y);
}
public function distance(pos:Xy):Number {
return getLength(pos.x - x, pos.y - y);
}
public function angle(pos:Xy):Number {
return atan2(pos.x - x, pos.y - y);
}
public function addAngle(angle:Number, speed:Number):void {
x += sin(angle) * speed;
y += cos(angle) * speed;
}
public function rotate(angle:Number):void {
var px:Number = x;
x = -x * cos(angle) + y * sin(angle);
y = px * sin(angle) + y * cos(angle);
}
public function set xy(v:Xy):void {
x = v.x; y = v.y;
}
public function set v(v:Number):void {
x = y = v;
}
public function get way():Number {
return atan2(x, y);
}
}
var random:Random = new Random;
class Random {
private var x:int, y:int, z:int, w:int;
function Random(v:int = int.MIN_VALUE):void {
var sv:int;
if (v == int.MIN_VALUE) sv = getTimer();
else sv = v;
x = sv = 1812433253 * (sv ^ (sv >> 30));
y = sv = 1812433253 * (sv ^ (sv >> 30)) + 1;
z = sv = 1812433253 * (sv ^ (sv >> 30)) + 2;
w = sv = 1812433253 * (sv ^ (sv >> 30)) + 3;
}
public function n(v:Number = 1, s:Number = 0):Number {
return value * v + s;
}
public function i(v:int, s:int = 0):int {
return n(v, s);
}
public function sx(v:Number = 1, s:Number = 0):Number {
return n(v, s) * screen.size.x;
}
public function sy(v:Number = 1, s:Number = 0):Number {
return n(v, s) * screen.size.y;
}
public function pm():int {
return i(2) * 2 - 1;
}
public function pmn(v:Number = 1):Number {
return random.n(v) * pm();
}
private function get value():Number {
var t:int = x ^ (x << 11);
x = y; y = z; z = w;
w = (w ^ (w >> 19)) ^ (t ^ (t >> 8));
return Number(w) / int.MAX_VALUE;
}
}
class Actor {
public var pos:Xy = new Xy;
public var vel:Xy = new Xy;
public var size:Xy = new Xy;
public var angle:Number = 0, speed:Number = 0;
public static function updateAll(s:*):void {
for (var i:int = 0; i < s.length; i++) if (!s[i].update()) s.splice(i--, 1);
}
public static function checkHit(ca:*, s:*, callHit:Boolean = false):Boolean {
var hf:Boolean = false;
for each (var a:* in s) {
if (ca == a) continue;
if (abs(ca.pos.x - a.pos.x) < (ca.size.x + a.size.x) / 2 &&
abs(ca.pos.y - a.pos.y) < (ca.size.y + a.size.y) / 2) {
if (callHit) a.hit(ca);
hf = true;
}
}
return hf;
}
}
// ---- UI utils. ----
var mouse:Mouse;
class Mouse {
public var pos:Xy = new Xy;
public var isPressing:Boolean;
public function Mouse() {
baseSprite.addEventListener(MouseEvent.MOUSE_MOVE, onMoved);
baseSprite.addEventListener(MouseEvent.MOUSE_DOWN, onPressed);
baseSprite.addEventListener(MouseEvent.MOUSE_UP, onReleased);
baseSprite.addEventListener(Event.MOUSE_LEAVE, onReleased);
}
private function onMoved(e:MouseEvent):void {
pos.x = e.stageX; pos.y = e.stageY;
}
private function onPressed(e:MouseEvent):void {
isPressing = true;
onMoved(e);
}
private function onReleased(e:Event):void {
isPressing = false;
}
}
var key:Key;
class Key {
public var s:Vector.<Boolean> = new Vector.<Boolean>(256);
public function Key() {
main.stage.addEventListener(KeyboardEvent.KEY_DOWN, onPressed);
main.stage.addEventListener(KeyboardEvent.KEY_UP, onReleased);
}
private function onPressed(e:KeyboardEvent):void {
s[e.keyCode] = true;
}
private function onReleased(e:KeyboardEvent):void {
s[e.keyCode] = false;
}
public function get isWPressed():Boolean {
return s[0x26] || s[0x57];
}
public function get isAPressed():Boolean {
return s[0x25] || s[0x41];
}
public function get isSPressed():Boolean {
return s[0x28] || s[0x53];
}
public function get isDPressed():Boolean {
return s[0x27] || s[0x44];
}
private var stickXy:Xy = new Xy;
public function get stick():Xy {
stickXy.v = 0;
if (isWPressed) stickXy.y -= 1;
if (isAPressed) stickXy.x -= 1;
if (isSPressed) stickXy.y += 1;
if (isDPressed) stickXy.x += 1;
if (stickXy.x != 0 && stickXy.y != 0) stickXy.scaleBy(0.7);
return stickXy;
}
public function get isButtonPressed():Boolean {
return isButton1Pressed || isButton2Pressed;
}
public function get isButton1Pressed():Boolean {
return s[0x5a] || s[0xbe] || s[0x20];
}
public function get isButton2Pressed():Boolean {
return s[0x58] || s[0xbf];
}
}
var screen:Screen;
class Screen {
public var size:Xy;
public var center:Xy;
function Screen() {
size = new Xy(main.stage.stageWidth, main.stage.stageHeight);
center = new Xy(size.x / 2, size.y / 2);
}
public function isIn(p:Xy, spacing:Number = 0):Boolean {
return (p.x >= -spacing && p.x <= size.x + spacing &&
p.y >= -spacing && p.y <= size.y + spacing);
}
}
// ---- Graphics and sound utils. ----
var fRect:Rectangle = new Rectangle;
function fillRect(x:int, y:int, width:int, height:int, color:uint):void {
fRect.x = x - int(width / 2);
fRect.y = y - int(height / 2);
fRect.width = width;
fRect.height = height;
bd.fillRect(fRect, color);
}
class Color {
private static const LEVEL:int = 5;
private static const LEVEL_VALUE:int = 50;
private static const MAX_VALUE:int = LEVEL * LEVEL_VALUE;
public static var transparent:Color = new Color(-1);
public static var black:Color = new Color(0, 0, 0);
public static var red:Color = new Color(MAX_VALUE, 0, 0);
public static var green:Color = new Color(0, MAX_VALUE, 0);
public static var blue:Color = new Color(0, 0, MAX_VALUE);
public static var yellow:Color = new Color(MAX_VALUE, MAX_VALUE, 0);
public static var magenta:Color = new Color(MAX_VALUE, 0, MAX_VALUE);
public static var cyan:Color = new Color(0, MAX_VALUE, MAX_VALUE);
public static var white:Color = new Color(MAX_VALUE, MAX_VALUE, MAX_VALUE);
public var r:int, g:int, b:int;
public function Color(r:int = 0, g:int = 0, b:int = 0) {
this.r = r; this.g = g; this.b = b;
}
public function get i():uint {
return 0xff000000 + r * 0x10000 + g * 0x100 + b;
}
public function set rgb(c:Color):void {
r = c.r; g = c.g; b = c.b;
}
private static var blinkColor:Color = new Color;
public function get blink():Color {
changeValueColor(
blinkColor, random.i(128, -64), random.i(128, -64), random.i(128, -64));
return blinkColor;
}
public function get br():Color {
return changeValue(LEVEL_VALUE, LEVEL_VALUE, LEVEL_VALUE);
}
public function get dr():Color {
return changeValue(-LEVEL_VALUE, -LEVEL_VALUE, -LEVEL_VALUE);
}
public function get rz():Color {
return changeValue(LEVEL_VALUE, -LEVEL_VALUE, -LEVEL_VALUE);
}
public function get gz():Color {
return changeValue(-LEVEL_VALUE, LEVEL_VALUE, -LEVEL_VALUE);
}
public function get bz():Color {
return changeValue(-LEVEL_VALUE, -LEVEL_VALUE, LEVEL_VALUE);
}
private function changeValue(rv:int, gv:int, bv:int):Color {
var changedColor:Color = new Color;
changeValueColor(changedColor, rv, gv, bv);
return changedColor;
}
private function changeValueColor(color:Color, rv:int, gv:int, bv:int):void {
color.rgb = this;
color.r += rv; color.g += gv; color.b += bv;
color.normalize();
}
private function normalize():void {
r = clamp(r, 0, MAX_VALUE);
g = clamp(g, 0, MAX_VALUE);
b = clamp(b, 0, MAX_VALUE);
}
}
class DotShape {
public static const BASE_SCALE:Number = 3;
private static var rPos:Xy = new Xy;
private static var rect:Rectangle = new Rectangle;
private var dots:Vector.<OffsetColor> = new Vector.<OffsetColor>;
private var color:Color = Color.transparent;
private var colorSpot:Color = Color.transparent;
private var spotThreshold:Number = 0.3;
private var xAngleVel:Number = 0;
private var yAngleVel:Number = 0;
private var xyAngleVel:Number = 0;
private var offset:Xy = new Xy;
public function c(c:Color, cs:Color = null):DotShape {
color = c;
if (cs) colorSpot = cs;
return this;
}
public function st(v:Number):DotShape {
spotThreshold = v;
return this;
}
public function sa(x:Number = 0, y:Number = 0, xy:Number = 0):DotShape {
xAngleVel = x;
yAngleVel = y;
xyAngleVel = xy;
return this;
}
public function o(x:Number = 0, y:Number = 0):DotShape {
offset.x = x; offset.y = y;
return this;
}
public function fr(width:int, height:int, isDrawingEdge:Boolean = false):DotShape {
var ox:int = -width / 2, oy:int = -height / 2;
for (var y:int = 0; y < height; y++) {
for (var x:int = 0; x < width; x++) {
if (!isDrawingEdge ||
x == 0 || x == width - 1 || y == 0 || y == height - 1) fd(x + ox, y + oy);
}
}
return this;
}
public function fc(radius:Number, isDrawingEdge:Boolean = false):DotShape {
var d:int = 3 - radius * 2;
var y:int = radius;
for (var x:int = 0; x <= y; x++) {
if (isDrawingEdge) {
setCircleDotsEdge(x, y);
setCircleDotsEdge(y, x);
} else {
setCircleDots(x, y);
setCircleDots(y, x);
}
if (d < 0) {
d += 6 + x * 4;
} else {
d += 10 + x * 4 - y * 4;
y--;
}
}
return this;
}
public function fd(x:Number, y:Number):DotShape {
var ca:Number =
Math.cos(x * xAngleVel) * Math.cos(y * yAngleVel) * Math.cos((x + y) * xyAngleVel);
var c:Color;
if (Math.abs(ca) < spotThreshold) c = colorSpot;
else c = color;
if (c.r < 0) return this;
var d:OffsetColor = new OffsetColor;
d.offset.x = x + offset.x;
d.offset.y = y + offset.y;
d.color = c.i;
dots.push(d);
return this;
}
private function setCircleDots(x:int, y:int):void {
setXLine(-x, x, y);
setXLine(-x, x, -y);
}
private function setXLine(xb:int, xe:int, y:int):void {
for (var x:int = xb; x <= xe; x++) fd(x, y);
}
private function setCircleDotsEdge(x:int, y:int):void {
fd(-x, y); fd(x, y);
fd(-x, -y); fd(x, -y);
}
public function draw(
pos:Xy, angle:Number = 0, scale:Number = BASE_SCALE, rectScale:int = -1):void {
if (rectScale > 0) rect.width = rect.height = rectScale;
else rect.width = rect.height = scale;
var o:int = scale / 2;
for each (var d:OffsetColor in dots) {
rPos.xy = d.offset;
rPos.scaleBy(scale);
if (angle != 0) rPos.rotate(angle);
rect.x = int(pos.x + rPos.x) - o;
rect.y = int(pos.y + rPos.y) - o;
bd.fillRect(rect, d.color);
}
}
}
class OffsetColor {
public var offset:Xy = new Xy;
public var color:uint;
}
var letter:Letter;
class Letter {
private var shapes:Vector.<DotShape> = new Vector.<DotShape>;
private var charToIndex:Vector.<int> = new Vector.<int>;
function Letter() {
const COUNT:int = 53;
var patterns:Array = [
0x4644AAA4, 0x6F2496E4, 0xF5646949, 0x167871F4, 0x2489F697, 0xE9669696, 0x79F99668,
0x91967979, 0x1F799976, 0x1171FF17, 0xF99ED196, 0xEE444E99, 0x53592544, 0xF9F11119,
0x9DDB9999, 0x79769996, 0x7ED99611, 0x861E9979, 0x994444E7, 0x46699699, 0x6996FD99,
0xF4469999, 0x2226F248, 0x44644466, 0xF0044E, 0x12448, 0x640444F0, 0x4049,
0x44040404, 0x4444, 0x5E40000A, 0x424F4244, 0x2F244E54, 0x4];
var d:int, lp:int, pIndex:int;
for (var i:int = 0; i < COUNT; i++) {
var shape:DotShape = new DotShape;
shape.c(Color.white);
for (var j:int = 0; j < 5; j++) {
for (var k:int = 0; k < 4; k++) {
if (--d <= 0) {
lp = patterns[pIndex++];
d = 32;
}
if (lp & 1 > 0) shape.fd(k, j);
lp >>= 1;
}
}
shapes.push(shape);
}
var charCodes:Array = [
91, 93, 43, 45, 47, 95, 33, 63, 46, 58, 124, 39, 34, 117, 114, 100, 108];
for (var c:int = 0; c < 128; c++) {
var li:int = -1;
if (c >= 48 && c < 58) {
li = c - 48;
} else if (c >= 65 && c <= 90) {
li = c - 65 + 10;
} else {
var lic:int = 36;
for each (var cc:int in charCodes) {
if (cc == c) {
li = lic;
break;
}
lic++;
}
}
charToIndex.push(li);
}
}
private var tPos:Xy = new Xy;
public function draw(
text:String, x:Number, y:Number, isFromRight:Boolean = false, scale:Number = 2):void {
tPos.x = x;
if (isFromRight) tPos.x -= text.length * 10;
else tPos.x -= text.length * 10 / 2;
tPos.y = y;
for (var i:int = 0; i < text.length; i++) {
var c:int = text.charCodeAt(i);
var li:int = charToIndex[c];
if (li >= 0) shapes[li].draw(tPos, 0, scale);
tPos.x += 10;
}
}
}
class Message extends Actor {
public static var s:Vector.<Message> = new Vector.<Message>;
private static var shownMessages:Vector.<String> = new Vector.<String>;
public static function addOnce(
text:String, pos:Xy, vx:Number = 0, vy:Number = 0, ticks:int = 240):Message {
if (shownMessages.indexOf(text) >= 0) return null;
shownMessages.push(text);
return add(text, pos, vx, vy, ticks);
}
public static function add(
text:String, pos:Xy, vx:Number = 0, vy:Number = 0, ticks:int = 60):Message {
var m:Message = new Message;
m.text = text;
m.pos.xy = pos;
m.vel.x = vx / ticks; m.vel.y = vy / ticks;
m.ticks = ticks;
s.push(m);
return m;
}
public var text:String, ticks:int;
public function update():Boolean {
pos.incrementBy(vel);
letter.draw(text, pos.x, pos.y);
return --ticks > 0;
}
}
class Particle extends Actor {
public static var s:Vector.<Particle> = new Vector.<Particle>;
public static function add(
pos:Xy, color:Color, size:Number, count:Number, speed:Number, ticks:Number = 60,
angle:Number = 0, angleWidth:Number = Math.PI * 2):void {
for (var i:int = 0; i < count; i++) {
var pt:Particle = new Particle;
pt.color = color;
pt.targetSize = size;
pt.pos.xy = pos;
pt.vel.addAngle(
angle + random.n(angleWidth / 2) * random.pm(), speed * random.n(1, 0.5));
pt.ticks = ticks * random.n(1, 0.5);
s.push(pt);
}
}
private var ticks:int;
private var color:Color;
private var scale:Number = 1;
private var targetSize:Number;
private var isExpand:Boolean = true;
public function update():Boolean {
pos.incrementBy(vel);
vel.scaleBy(0.98);
if (isExpand) {
scale *= 1.5;
if (scale > targetSize) isExpand = false;
} else {
scale *= 0.95;
}
fillRect(pos.x, pos.y, scale, scale, color.blink.i);
return --ticks > 0;
}
}
class Se {
public static const MAJOR:int = 0;
public static const MINOR:int = 1;
public static const NOISE:int = 2;
public static const NOISE_SCALE:int = 3;
private static var tones:Array = [
["c", "c+", "d", "d+", "e", "f", "f+", "g", "g+", "a", "a+", "b"],
["c", "d", "e", "g", "a"],
["c", "d-", "e-", "g-", "a-"]];
public static var s:Vector.<Se> = new Vector.<Se>;
private static var driver:SiONDriver = new SiONDriver;
private static var isStarting:Boolean;
private var data:SiONData;
private var isPlaying:Boolean;
private var mml:String;
private var type:int;
private var tone:Number = 0;
public function t(v:int):Se {
type = v;
if (!mml) mml = "";
else mml += ";";
var voices:Array = [1, 1, 9, 10];
mml += "%1@" + voices[v] + "l64";
return this;
}
public function m(step:Number, time:int, start:Number = -1):Se {
if (start >= 0) tone = start;
for (var i:int = 0; i < time; i++) {
tone = clamp(tone, 0, 1);
switch (type) {
case MAJOR:
case MINOR:
var ti:int = tone * 40;
var o:int = ti / 5 + 2;
mml += "o" + o + tones[type + 1][ti % 5];
break;
case NOISE:
case NOISE_SCALE:
ti = tone * 15;
if (ti < 4) mml += "o5" + tones[0][3 - ti];
else mml += "o4" + tones[0][15 - ti];
break;
}
tone += step / time;
}
return this;
}
public function r(v:int = 1):Se {
for (var i:int = 0; i < v; i++) mml += "r";
return this;
}
public function v(v:int = 16):Se {
mml += "v" + v;
return this;
}
public function c():Se {
isStarting = false;
data = driver.compile(mml);
driver.volume = 0;
driver.play();
s.push(this);
return this;
}
public function play():void {
if (!isInGame) return;
isPlaying = true;
}
public function update():void {
if (!isPlaying) return;
if (!isStarting) {
driver.volume = 0.9;
isStarting = true;
}
driver.sequenceOn(data, null, 0, 0, 0);
isPlaying = false;
}
}
// ---- Game state controller. ----
var score:int, ticks:int;
var isInGame:Boolean;
var isPaused:Boolean;
var wasClicked:Boolean, wasReleased:Boolean;
var titleTicks:int;
function beginGame():void {
isInGame = true;
score = 0;
ticks = 0;
closeScoreForms();
random = new Random;
Particle.s = new Vector.<Particle>;
initialize();
}
function endGame():Boolean {
if (!isInGame) return false;
isInGame = false;
wasClicked = wasReleased = false;
ticks = 0;
recordScore(score);
setScoreRecordViewer();
titleTicks = 10;
return true;
}
function updateGame():void {
if (!isPaused) update();
Actor.updateAll(Particle.s);
for each (var s:Se in Se.s) s.update();
letter.draw(String(score), screen.size.x, 2, true);
ticks++;
if (!isInGame) {
letter.draw(TITLE1, screen.size.x * 0.8, screen.center.y - 32);
letter.draw(TITLE2, screen.size.x * 0.8, screen.center.y - 20);
letter.draw("CLICK", screen.size.x * 0.8, screen.center.y + 8);
letter.draw("TO", screen.size.x * 0.8, screen.center.y + 20);
letter.draw("START", screen.size.x * 0.8, screen.center.y + 32);
if (mouse.isPressing) {
if (wasReleased) wasClicked = true;
} else {
if (wasClicked) beginGame();
if (--titleTicks <= 0) wasReleased = true;
}
}
if (isPaused) {
letter.draw("PAUSED", screen.center.x, screen.center.y - 8);
letter.draw("CLICK TO RESUME", screen.center.x, screen.center.y + 8);
}
Actor.updateAll(Message.s);
}
function onActivated(e:Event):void {
isPaused = false;
}
function onDectivated(e:Event):void {
if (isInGame) isPaused = true;
}
/*
function setScoreRecordViewer():void { }
function recordScore(s:int):void { }
function closeScoreForms():void { }
/*/
import net.wonderfl.score.basic.BasicScoreForm;
import net.wonderfl.score.basic.BasicScoreRecordViewer;
var scoreRecordViewer:BasicScoreRecordViewer;
var scoreForm:BasicScoreForm;
function setScoreRecordViewer():void {
scoreRecordViewer = new BasicScoreRecordViewer(main, 5, 220, "SCORE RANKING", 50);
}
function recordScore(score:int):void {
scoreForm = new BasicScoreForm(main, 5, 5, score);
scoreForm.onCloseClick = function():void {
closeScoreForms();
setScoreRecordViewer();
}
}
function closeScoreForms():void {
if (scoreRecordViewer) {
main.removeChild(scoreRecordViewer);
scoreRecordViewer = null;
}
if (scoreForm) {
main.removeChild(scoreForm);
scoreForm = null;
}
}
//*/
// ---- Game main logic. ----
const TITLE1:String = "SUPER SPEED SNAKE";
const TITLE2:String = "CHASES CURSOR";
const DEBUG:Boolean = false;
const GRID_COUNT:int = 31, GRID_DOT:int = 15;
function initialize():void {
if (snake) snake.pos.v = GRID_COUNT / 2;
grid = new Grid;
snake = new Snake;
cursor = new Cursor;
}
function update():void {
grid.update();
snake.update();
if (isInGame) {
cursor.update();
if (ticks == 0) {
Message.addOnce("MOUSE: TURN", new Xy(200, 200));
Message.addOnce("GET ME!", grid.bonusPos);
}
}
}
var sPos:Xy = new Xy;
function drawShape(shape:DotShape, x:int, y:int, angle:Number = 0):void {
sPos.x = (x + 0.5) * GRID_DOT;
sPos.y = (y + 0.5) * GRID_DOT;
shape.draw(sPos, angle);
}
var grid:Grid;
class Grid {
public var s:Vector.<Vector.<int>> = new Vector.<Vector.<int>>;
private var wallShape:DotShape = new DotShape().
c(Color.red.gz, Color.black).sa(0, HPI, 0.6).st(0.5).fr(5, 5);
private var bonusShape:DotShape = new DotShape().
c(Color.yellow, Color.yellow.rz).sa(1, 1, 1).fr(3, 5).fr(5, 3);
public var bonusPos:Xy = new Xy;
function Grid() {
for (var y:int = 0; y < GRID_COUNT; y++) {
var l:Vector.<int> = new Vector.<int>;
for (var x:int = 0; x < GRID_COUNT; x++) {
if (x == 0 || x == GRID_COUNT - 1 || y == 0 || y == GRID_COUNT - 1) l.push(2);
else l.push(0);
}
s.push(l);
}
for (var i:int = 0; i < 3; i++) addBonus();
}
public function update():void {
for (var x:int = 0; x < GRID_COUNT; x++) {
for (var y:int = 0; y < GRID_COUNT; y++) {
switch (s[x][y]) {
case 1:
drawShape(bonusShape, x, y);
break;
case 2:
drawShape(wallShape, x, y);
break;
}
}
}
}
public function check(x:int, y:int, th:int = 2):Boolean {
if (x < 0 || x >= GRID_COUNT || y < 0 || y >= GRID_COUNT) return true;
return (s[x][y] >= th);
}
public function addBonus():void {
var x:int, y:int;
for (var i:int = 0; i < 50; i++) {
x = random.i(GRID_COUNT - 2, 1);
y = random.i(GRID_COUNT - 2, 1);
if (!check(x, y, 1) &&
snake && abs(x - snake.pos.x) > 2 && abs(y - snake.pos.y) > 2) break;
}
i = GRID_COUNT * GRID_COUNT;
while (check(x, y, 1) && --i > 0) {
if (++x >= GRID_COUNT - 1) {
x = 1;
if (++y >= GRID_COUNT - 1) y = 1;
}
}
if (!check(x, y, 1)) {
s[x][y] = 1;
bonusPos.x = x * GRID_DOT;
bonusPos.y = y * GRID_DOT;
}
}
}
var snake:Snake;
class Snake extends Actor {
private static var headShape:DotShape = new DotShape().
c(Color.green, Color.green.rz).sa(0, 1, 2).fc(2).
c(Color.yellow, Color.yellow.rz).sa(1, 1, 0).o(1, 3).fr(1, 2).o(-1, 3).fr(1, 2);
private static var bodyShape:DotShape = new DotShape().
c(Color.green, Color.green.rz).sa(0, 1, 2).fc(2).
c(Color.green.bz.bz).sa(0, 0, 0).o(0, 2).fr(3, 1);
private static var curveSe:Se = new Se().t(Se.NOISE).m(-0.5, 3, 0.5).c();
private static var longSe:Se = new Se().t(Se.MINOR).m(0.3, 3, 0.2).r().m(0.3, 3, 0.4).c();
private static var bonusSe:Se = new Se().t(Se.MAJOR).m(-0.6, 4, 0.8).m(0.8, 8).c();
private static var dstSe:Se = new Se().t(Se.NOISE_SCALE).m(0.5, 3, 0.5).m(-1, 15).c();
public var way:int;
private var poss:Vector.<Xy> = new Vector.<Xy>;
private var ways:Vector.<int> = new Vector.<int>;
private var moveTicks:int;
private var addBodyTicks:int;
function Snake() {
pos.x = pos.y = int(GRID_COUNT / 2);
way = 2;
grid.s[pos.x][pos.y] = 3;
for (var i:int = 0; i < 9; i++) {
var p:Xy = new Xy(pos.x, int(GRID_COUNT / 2) + i);
poss.push(p);
ways.push(2);
grid.s[p.x][p.y] = 3;
}
addBodyTicks = 300;
}
private static var wayVels:Array = [[0, 1], [1, 0], [0, -1], [ -1, 0]];
private static var tPos:Xy = new Xy, pPos:Xy = new Xy, sPos:Xy = new Xy;
private static var pway:int, tway:int;
private var addBodyCount:int;
public function update():void {
addBodyTicks--;
if (isInGame && --moveTicks <= 0) {
pPos.xy = pos;
pway = way;
pos.x += wayVels[way][0];
pos.y += wayVels[way][1];
sPos.xy = pos;
sPos.scaleBy(GRID_DOT);
if (grid.check(pos.x, pos.y)) {
Particle.add(sPos, Color.yellow.rz.rz, 50, 50, 10);
dstSe.play();
endGame();
}
if (pos.x == cursor.pos.x && pos.y == cursor.pos.y) {
way = cursor.nextWay;
Particle.add(sPos, Color.green.bz.bz, 5, 10, 5, 30, way * HPI + PI, 0.5);
curveSe.play();
}
if (addBodyTicks <= 0) {
addBodyCount++;
addBodyTicks = 300;
}
for (var ox:int = -1; ox <= 1; ox++) {
for (var oy:int = -1; oy <= 1; oy++) {
if (isInGame && grid.s[pos.x + ox][pos.y + oy] == 1) {
grid.s[pos.x + ox][pos.y + oy] = 0;
grid.addBonus();
var s:int = 10 * (poss.length + 1);
score += s;
sPos.xy = pos;
sPos.scaleBy(GRID_DOT);
Message.add("+" + s, sPos, 0, -50);
Particle.add(sPos, Color.yellow, 10, 30, 2);
bonusSe.play();
addBodyCount++;
}
}
}
grid.s[pos.x][pos.y] = 3;
for (var i:int = 0; i < poss.length; i++) {
tPos.xy = poss[i];
poss[i].xy = pPos;
pPos.xy = tPos;
tway = ways[i];
ways[i] = pway;
pway = tway;
}
if (addBodyCount > 0) {
var abp:Xy = new Xy;
abp.xy = pPos;
poss.push(abp);
ways.push(pway);
longSe.play();
addBodyCount--;
} else {
grid.s[pPos.x][pPos.y] = 0;
}
moveTicks = 5.5 - sqrt(ticks * 0.002);
if (moveTicks < 1) moveTicks = 1;
}
for (i = 0; i < poss.length; i++) {
drawShape(bodyShape, poss[i].x, poss[i].y, ways[i] * HPI);
}
drawShape(headShape, pos.x, pos.y, way * HPI);
}
}
var cursor:Cursor;
class Cursor extends Actor {
private static var wayStr:Array = ["d", "r", "u", "l"];
private static var wayVels:Array = [[0, 1], [1, 0], [0, -1], [ -1, 0]];
public var nextWay:int;
public function update():void {
if (snake.way % 2 == 0) {
pos.x = snake.pos.x;
pos.y = int(mouse.pos.y / GRID_DOT);
if (snake.way == 0 && pos.y <= snake.pos.y) pos.y = snake.pos.y + 1;
if (snake.way == 2 && pos.y >= snake.pos.y) pos.y = snake.pos.y - 1;
if (int(mouse.pos.x / GRID_DOT) > snake.pos.x) nextWay = 1;
else nextWay = 3;
} else {
pos.x = int(mouse.pos.x / GRID_DOT);
pos.y = snake.pos.y;
if (snake.way == 1 && pos.x <= snake.pos.x) pos.x = snake.pos.x + 1;
if (snake.way == 3 && pos.x >= snake.pos.x) pos.x = snake.pos.x - 1;
if (int(mouse.pos.y / GRID_DOT) > snake.pos.y) nextWay = 0;
else nextWay = 2;
}
var wx:int, wy:int;
var bx:int = -999, by:int = -999;
var isReachCursor:Boolean;
for (var w:int = 1; w >= -1; w -= 2) {
isReachCursor = false;
for (var i:int = 1; i < GRID_COUNT; i++) {
wx = snake.pos.x + wayVels[snake.way][0] * i;
wy = snake.pos.y + wayVels[snake.way][1] * i;
if (wx == pos.x && wy == pos.y) isReachCursor = true;
if (grid.check(wx, wy)) {
if (bx >= 0) {
pos.x = bx; pos.y = by;
if (w == -1) nextWay = (nextWay + 2) % 4;
w = -999;
}
break;
}
if (!grid.check(wx + wayVels[nextWay][0] * w, wy + wayVels[nextWay][1] * w)) {
if (isReachCursor) {
if (abs(bx - pos.x) + abs(by - pos.y) < abs(wx - pos.x) + abs(wy - pos.y)) {
wx = bx; wy = by;
}
pos.x = wx; pos.y = wy;
if (w == -1) nextWay = (nextWay + 2) % 4;
w = -999;
break;
} else {
bx = wx; by = wy;
}
}
}
}
if (snake.way % 2 == 0) {
fillRect(screen.center.x, (pos.y + 0.5) * GRID_DOT, screen.size.x, 3, Color.red.i);
} else {
fillRect((pos.x + 0.5) * GRID_DOT, screen.center.y, 3, screen.size.y, Color.red.i);
}
letter.draw(wayStr[nextWay], pos.x * GRID_DOT, pos.y * GRID_DOT, false, 5);
}
}