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我試圖在java中實現生命遊戲,作爲學習這種語言的練習。Java和條件(生命遊戲)的問題
不幸的是我有一個問題,因爲我似乎無法讓這個程序正常運行。
我實現了一個torodial總和(面是油炸圈餅)沒有問題:
int SumNeighbours (int i, int j) {
int value = 0;
value = world[(i - 1 + row ) % row][(j - 1 + column ) % column]+world[(i - 1 + row ) % row][j]+world[(i - 1 + row ) % row][(j + 1) % column];
value = value + world[i][(j - 1 + column ) % column] + world[i][(j + 1) % column];
value = value + world[(i + 1) % row][(j - 1 + column ) % column] + world[(i + 1) % row][j]+world[ (i+1) % row ][(j + 1) % column];
return value;
}
並正確總結時,我測試:
void NextWorldTest() {
int count;
int [][] nextWorld = new int[row][row];
nextWorld = world;
for (int i=0; i<row; i++) {
for (int j=0; j<column; j++) {
count = SumNeighbours(i,j);
System.out.print(" " + count + " ");
}
System.out.println();
}
world=nextWorld;
}
不幸的是當我添加的條件生命遊戲(出生/死亡)程序停止正常工作,因爲它似乎不再能夠正確計算鄰居中的活細胞。它計數沒有的地方,並且在有些地方不計算。例如:它不計算某些活細胞下面的那個。
這是一個非常奇怪的行爲,現在已經讓我頭痛了3天......也許我錯過了一些有關變量的基本知識?
在這裏你可以找到類。
void NextWorld() {
int count;
int [][] nextWorld = new int[row][column];
nextWorld = world;
for (int i=0; i<row; i++) {
for (int j=0; j<column; j++) {
count = SumNeighbours(i,j);
System.out.print(" " + count + " ");
if ( (world[i][j] == 0) && (count == 3) ) {
nextWorld[i][j] = 1;
} else if ((world[i][j] == 1) && ((count == 3) || (count == 2))) {
nextWorld[i][j] = 1;
} else {
nextWorld[i][j]=0;
}
}
System.out.println();
}
world=nextWorld;
}
}
我做錯了什麼?
下面你可以找到完整的軟件包。
package com.GaOL;
public class GameWorld {
int [][] world;
int row;
int column;
public int GetRow() {
return row;
}
public int GetColumn() {
return column;
}
public int GetWorld (int i, int j) {
return world[i][j];
}
void RandomGen (int size, double p1) {
double randomCell;
row = size;
column = size;
world = new int[row][column];
for (int i = 0; i<row; i++) {
for (int j = 0; j<column; j++) {
randomCell=Math.random();
if (randomCell < 1-p1) {
world[i][j] = 0;
} else {
world[i][j] = 1;
}
}
}
}
void printToConsole() {
double test = 0;
for (int i=0; i<row; i++) {
for (int j=0; j<column; j++) {
if (world[i][j] == 0) {
System.out.print(" ");
} else {
System.out.print(" * ");
test++;
}
}
System.out.println("");
}
System.out.println("ratio is " + test/(row*column));
}
int SumNeighbours (int i, int j) {
int value = 0;
value = world[(i - 1 + row ) % row][(j - 1 + column ) % column]+world[(i - 1 + row ) % row][j]+world[(i - 1 + row ) % row][(j + 1) % column];
value = value + world[i][(j - 1 + column ) % column] + world[i][(j + 1) % column];
value = value + world[(i + 1) % row][(j - 1 + column ) % column] + world[(i + 1) % row][j]+world[ (i+1) % row ][(j + 1) % column];
return value;
}
void NextWorldTest() {
int count;
int [][] nextWorld = new int[row][row];
nextWorld = world;
for (int i=0; i<row; i++) {
for (int j=0; j<column; j++) {
count = SumNeighbours(i,j);
System.out.print(" " + count + " ");
}
System.out.println();
}
world=nextWorld;
}
void NextWorld() {
int count;
int [][] nextWorld = new int[row][column];
nextWorld = world;
for (int i=0; i<row; i++) {
for (int j=0; j<column; j++) {
count = SumNeighbours(i,j);
System.out.print(" " + count + " ");
if ( (world[i][j] == 0) && (count == 3) ) {
nextWorld[i][j] = 1;
} else if ((world[i][j] == 1) && ((count == 3) || (count == 2))) {
nextWorld[i][j] = 1;
} else {
nextWorld[i][j]=0;
}
}
System.out.println();
}
world=nextWorld;
}
}
,這裏的測試類:
package com.GaOL;
public class GameTestClass {
public static void main(String[] args) {
GameWorld prova = new GameWorld();
prova.RandomGen(10, 0.02);
for (int i=0; i<3; i++) {
prova.printToConsole();
prova.NextWorld();
}
}
}
如果a)格式化了您的代碼,那麼回答您會容易得多; b)你提出了一個* short *的例子。我敢肯定,這裏有更多的代碼比你需要證明這個問題。 – 2011-01-08 17:35:39
我重新格式化了... StackOverflow編輯器出現了問題...條件運算符標記存在,因爲當我添加ifs時,代碼會中斷... – Mascarpone 2011-01-08 17:38:39