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实现2048算法
参数model有一个二维数组data,及阶数matrix
分为.h .m文件- // .h文件
- @class DataModel;
-
- @interface Algorithm : NSObject
-
- @property (nonatomic,assign) int addScore; // 加分
-
- - (void)caculateTop:(DataModel *)model; // 上滑规则
- - (void)caculateBottom:(DataModel *)model; // 下滑规则
- - (void)caculateLeft:(DataModel *)model; // 左滑规则
- - (void)caculateRight:(DataModel *)model; // 右滑规则
-
- - (BOOL)randNewOne:(DataModel *)data;
-
- - (int)getAddScore;
-
- @end
-
-
- // .m文件
- @implementation Algorithm
-
- #pragma mark - 滑动规则
- - (void)caculateTop:(DataModel *)model {
- [self up_remove_blank:model];
- [self up:model];
- }
-
- - (void)caculateBottom:(DataModel *)model {
- [self down_remove_blank:model];
- [self down:model];
- }
-
- - (void)caculateLeft:(DataModel *)model {
- [self left_remove_blank:model];
- [self left:model];
- }
-
- - (void)caculateRight:(DataModel *)model {
- [self right_remove_blank:model];
- [self right:model];
- }
-
- - (int)getAddScore {
- int temp = _addScore;
- _addScore = 0;
- return temp;
- }
-
- #pragma mark - 新一个
- - (BOOL)randNewOne:(DataModel *)model {
- array data = [model getData];
- int all = 0;
- for (int i=0; i<model.matrix; i++) {
- for (int j=0; j<model.matrix; j++) {
- if (data[i][j] == 0) {
- all = all + 1;
- }
- }
- }
- if (all == 0) {
- return NO;
- }
- int index = arc4random() % all;
- all = 0;
- for (int i=0; i<model.matrix; i++) {
- for (int j=0; j<model.matrix; j++) {
- if (data[i][j] == 0) {
- all = all + 1;
- if (all == index+1) {
- data[i][j] = 2;
- return YES;
- }
- }
- }
- }
- return NO;
- }
-
- #pragma mark - 滑动算法
- - (void)up_remove_blank:(DataModel *)model {
- array data = [model getData];
- int i,j,k;
- for(j=0;j < model.matrix;j++){
- for(i=1;i < model.matrix;i++){
- k=i;
- while(k-1>=0&&data[k-1][j]==0){//上面的那个为空
- //swap(data[k][j],data[k-1][j]);
- int temp = data[k][j];
- data[k][j] = data[k-1][j];
- data[k-1][j] = temp;
- k--;
- }
- }
- }
- }
-
- - (void)down_remove_blank:(DataModel *)model {
- array data = [model getData];
- int i,j,k;
- for(j=0; j < model.matrix; j++){
- for(i = model.matrix-2; i >= 0; i--){
- k=i;
- while(k+1<=model.matrix-1&&data[k+1][j]==0){//上面的那个为空
- //swap(a[k][j],a[k][j]);
- int temp = data[k][j];
- data[k][j] = data[k+1][j];
- data[k+1][j] = temp;
- k++;
- }
- }
- }
- }
-
- - (void)left_remove_blank:(DataModel *)model {
- array data = [model getData];
- int i,j,k;
- for(i=0;i < model.matrix;i++){
- for(j=1;j<model.matrix;j++){
- k=j;
- while(k-1>=0&&data[i][k-1]==0){//上面的那个为空
- //swap(a[i][k],a[i][k-1]);
- int temp = data[i][k];
- data[i][k] = data[i][k-1];
- data[i][k-1] = temp;
- k--;
- }
- }
- }
- }
- - (void)right_remove_blank:(DataModel *)model {
- array data = [model getData];
- int i,j,k;
- for(i=0;i<model.matrix;i++){
- for(j=model.matrix-2;j>=0;j--){
- k=j;
- while(k+1<=model.matrix-1&&data[i][k+1]==0){//上面的那个为空
- //swap(a[i][k],a[i][k+1]);
- int temp = data[i][k];
- data[i][k] = data[i][k+1];
- data[i][k+1] = temp;
- k++;
- }
- }
- }
- }
- - (void)left:(DataModel *)model {
- array data = [model getData];
- int i,j;
- for(i=0;i<model.matrix;i++){
- for(j=0;j<model.matrix-1;j++){
- if(data[i][j]==data[i][j+1]){
- _addScore = _addScore + data[i][j];
- data[i][j]+=data[i][j+1];
- data[i][j+1]=0;
- [self left_remove_blank:model];
- }
- }
- }
- }
- - (void)right:(DataModel *)model {
- array data = [model getData];
- int i,j;
- for(i=0;i<model.matrix;i++){
- for(j=model.matrix-1;j>=1;j--){
- if(data[i][j]==data[i][j-1]){
- _addScore = _addScore + data[i][j];
- data[i][j]+=data[i][j-1];
- data[i][j-1]=0;
- [self right_remove_blank:model];
- }
- }
- }
- }
- - (void)up:(DataModel *)model {
- array data = [model getData];
- int i,j;
- for(j=0;j<model.matrix;j++){//每一列
- for(i=0;i<model.matrix-1;i++){
- if(data[i][j]==data[i+1][j]){
- _addScore = _addScore + data[i][j];
- data[i][j]=data[i][j]+data[i+1][j];
- data[i+1][j]=0;
- //移除空格
- [self up_remove_blank:model];
- }
- }
- }
- }
- - (void)down:(DataModel *)model {
- array data = [model getData];
- int i,j;
- for(j=0;j<model.matrix;j++){//每一列
- for(i=model.matrix-1;i>=1;i--){
- if(data[i][j]==data[i-1][j]){
- _addScore = _addScore + data[i][j];
- data[i][j]=data[i][j]+data[i-1][j];
- data[i-1][j]=0;
- //移除空格
- [self down_remove_blank:model];
- }
- }
- }
- }
-
-
- @end
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