Minecraft4kAS Extreme Hills Map
ported from notch's javascript version: http://jsdo.it/notch/dB1E
/**
* Copyright bkzen ( http://wonderfl.net/user/bkzen )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/jDKJ
*/
// forked from yonatan's Minecraft4kAS
//// ported from notch's javascript version: http://jsdo.it/notch/dB1E
// An unoptimized flash port made in about 10 minutes
// (would have been 5 but I messed up and made 'var closest' an int at first)
package {
import flash.display.*;
import flash.events.*;
import flash.geom.Point;
import flash.text.TextField;
import flash.utils.*;
[SWF(width="465", height="465", backgroundColor="0", frameRate="60")]
public class main extends Sprite {
private var w:int = 200;
private var h:int = 200;
private var bmd: BitmapData = new BitmapData(w, h, false, 0);
private var bmp: Bitmap = new Bitmap(bmd);
private var f: int = 0;
private var label: TextField = new TextField();
private var input: TextField = new TextField();
private var map: Vector.<int> = new Vector.<int>(128 * 64 * 64, true);
private var texmap: Vector.<int> = new Vector.<int>(16 * 16 * 3 * 16, true);
private var waitTimer:Timer;
function main() {
addChild(bmp);
bmp.scaleX = bmp.scaleY = 2;
bmp.x = bmp.y = 32;
initTexMap();
label.autoSize = "left", label.textColor = 0xFFFFFF, label.text = "seed : ";
input.textColor = 0xFFFFFF, input.type = "input", input.restrict = "0-9";
input.height = 30, input.width = 100, input.x = label.width + 10;
initMap();
addChild(label);
addChild(input);
input.addEventListener(Event.CHANGE, onChange);
waitTimer = new Timer(1000, 1);
waitTimer.addEventListener(TimerEvent.TIMER_COMPLETE, onCompTimer);
addEventListener("enterFrame", renderMinecraft);
}
private function onChange(e: Event): void
{
removeEventListener(Event.ENTER_FRAME, renderMinecraft);
waitTimer.reset();
waitTimer.start();
}
private function onCompTimer(e: TimerEvent): void
{
initMap(int(input.text));
addEventListener(Event.ENTER_FRAME, renderMinecraft);
}
private function initTexMap():void {
for ( var i:int = 1; i < 16; i++) {
var br:int = 255 - ((Math.random() * 96) | 0);
for ( var y:int = 0; y < 16 * 3; y++) {
for ( var x:int = 0; x < 16; x++) {
var color:int = 0x966C4A;
if (i == 4)
color = 0x7F7F7F;
if (i != 4 || ((Math.random() * 3) | 0) == 0) {
br = 255 - ((Math.random() * 96) | 0);
}
if ((i == 1 && y < (((x * x * 3 + x * 81) >> 2) & 3) + 18)) {
color = 0x6AAA40;
} else if ((i == 1 && y < (((x * x * 3 + x * 81) >> 2) & 3) + 19)) {
br = br * 2 / 3;
}
if (i == 7) {
color = 0x675231;
if (x > 0 && x < 15
&& ((y > 0 && y < 15) || (y > 32 && y < 47))) {
color = 0xBC9862;
var xd:int = (x - 7);
var yd:int = ((y & 15) - 7);
if (xd < 0)
xd = 1 - xd;
if (yd < 0)
yd = 1 - yd;
if (yd > xd)
xd = yd;
br = 196 - ((Math.random() * 32) | 0) + xd % 3 * 32;
} else if (((Math.random() * 2) | 0) == 0) {
br = br * (150 - (x & 1) * 100) / 100;
}
}
if (i == 5) {
color = 0xB53A15;
if ((x + (y >> 2) * 4) % 8 == 0 || y % 4 == 0) {
color = 0xBCAFA5;
}
}
if (i == 9) {
color = 0x4040ff;
}
var brr:int = br;
if (y >= 32)
brr /= 2;
if (i == 8) {
color = 0x50D937;
if (((Math.random() * 2) | 0) == 0) {
color = 0;
brr = 255;
}
}
var col:int = (((color >> 16) & 0xff) * brr / 255) << 16
| (((color >> 8) & 0xff) * brr / 255) << 8
| (((color) & 0xff) * brr / 255);
texmap[x + y * 16 + i * 256 * 3] = col;
}
}
}
}
private function initMap(s: int = 0): void {
var noise: BitmapData = new BitmapData(64, 64, false);
noise.lock();
var p1: Point = new Point(), p2: Point = new Point();
var offset: Array = [p1, p2];
var seed: int = s || Math.random() * 0xFFFFFF;
input.text = "" + seed;
for ( var z: int = 0; z < 128; z++)
{
// 擬似PerlinNoise3D
p1.x = z, p2.x = -z;
noise.perlinNoise(32, 32, 2, seed, false, true, 7, true, offset);
for ( var x: int = 0; x < 64; x++)
{
for ( var y: int = 0; y < 64; y++)
{
var i:int = z << 12 | y << 6 | x;
var yd:Number = (y - 32.5) * 0.4;
var zd:Number = (z - 32.5) * 0.4;
map[i] = (Math.random() * 16) | 0;
if (Math.random() > Math.sqrt(Math.sqrt(yd * yd + zd * zd)) - 0.8 ||
((noise.getPixel(x, y) & 0xFF)*4/5) < ((64 - y) << 2))
map[i] = 0;
}
}
}
noise.dispose();
}
private function renderMinecraft(e: Event): void {
var speed: int = 20000;
var xRot:Number = Math.sin(getTimer() % speed / speed * Math.PI * 2) * 0.4 + Math.PI / 2;
var yRot:Number = Math.cos(getTimer() % speed / speed * Math.PI * 2) * 0.2 - Math.PI/8;
var yCos:Number = Math.cos(yRot);
var ySin:Number = Math.sin(yRot);
var xCos:Number = Math.cos(xRot);
var xSin:Number = Math.sin(xRot);
speed = 10000;
var ox:Number = 32.5 + getTimer() % speed / speed * 64;
var oy:Number = 32.5;
var oz:Number = 32.5;
f++;
for ( var x:int = 0; x < w; x++) {
var ___xd:Number = (x - w / 2) / h;
for ( var y:int = 0; y < h; y++) {
var __yd:Number = (y - h / 2) / h;
var __zd:Number = 1;
var ___zd:Number = __zd * yCos + __yd * ySin;
var _yd:Number = __yd * yCos - __zd * ySin;
var _xd:Number = ___xd * xCos + ___zd * xSin;
var _zd:Number = ___zd * xCos - ___xd * xSin;
var col:int = 0;
var br:int = 255;
var ddist:int = 0;
var closest:Number = 32;
for ( var d:int = 0; d < 3; d++) {
var dimLength:Number = _xd;
if (d == 1)
dimLength = _yd;
if (d == 2)
dimLength = _zd;
var ll:Number = 1 / (dimLength < 0 ? -dimLength : dimLength);
var xd:Number = (_xd) * ll;
var yd:Number = (_yd) * ll;
var zd:Number = (_zd) * ll;
var initial:Number = ox - (ox | 0);
if (d == 1)
initial = oy - (oy | 0);
if (d == 2)
initial = oz - (oz | 0);
if (dimLength > 0)
initial = 1 - initial;
var dist:Number = ll * initial;
var xp:Number = ox + xd * initial;
var yp:Number = oy + yd * initial;
var zp:Number = oz + zd * initial;
if (dimLength < 0) {
if (d == 0)
xp--;
if (d == 1)
yp--;
if (d == 2)
zp--;
}
while (dist < closest) {
var tex:int = map[(zp & 127) << 12 | (yp & 63) << 6 | (xp & 63)];
if (tex > 0) {
var u:int = ((xp + zp) * 16) & 15;
var v:int = ((yp * 16) & 15) + 16;
if (d == 1) {
u = (xp * 16) & 15;
v = ((zp * 16) & 15);
if (yd < 0)
v += 32;
}
var cc:int = texmap[u + v * 16 + tex * 256 * 3];
if (cc > 0) {
col = cc;
ddist = 255 - ((dist / 64 * 255) | 0);
//ddist = 255;
br = 255 * (255 - ((d + 2) % 3) * 50) / 255;
closest = dist;
}
}
xp += xd;
yp += yd;
zp += zd;
dist += ll;
}
}
var r:int = ((col >> 16) & 0xff) * br * ddist / (255 * 255);
var g:int = ((col >> 8) & 0xff) * br * ddist / (255 * 255);
var b:int = ((col) & 0xff) * br * ddist / (255 * 255);
bmd.setPixel(x, y, r << 16 | g << 8 | b);
}
}
}
}
}