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Bytsan_T_O_task_1 #11

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toximu Feb 3, 2026
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32 changes: 32 additions & 0 deletions src/main/java/hse/java/practice/task1/Edge.java
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Original file line number Diff line number Diff line change
Expand Up @@ -35,4 +35,36 @@ public void setParts(CubeColor[][] parts) {
public String toString() {
return Arrays.deepToString(parts);
}

public void rotateClockwise() {
CubeColor[][] result_parts = new CubeColor[3][3];
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
result_parts[j][2-i] = parts[i][j];
}
}
parts = result_parts;
}

public void setRow(int num, CubeColor[] row) {
parts[num] = row.clone();
}

public void setCol(int num, CubeColor[] col) {
for (int i = 0; i < 3; i++) {
parts[i][num] = col[i];
}
}

public CubeColor[] getRow(int num) {
return parts[num].clone();
}

public CubeColor[] getCol(int num) {
CubeColor[] col = new CubeColor[3];
for (int i = 0; i < 3; i++) {
col[i] = parts[i][num];
}
return col;
}
}
158 changes: 157 additions & 1 deletion src/main/java/hse/java/practice/task1/RubiksCube.java
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@
* Необходимо реализовать интерфейс Cube
* При повороте передней грани, меняются верх низ право и лево
*/
public class RubiksCube {
public class RubiksCube implements Cube {

private static final int EDGES_COUNT = 6;

Expand All @@ -19,15 +19,161 @@ public class RubiksCube {
* грань 1 -> цвет 1
* ...
*/

private CubeColor[] rev(CubeColor[] s) {
var sc = s.clone();
var tmp = sc[0];
sc[0] = sc[2];
sc[2] = tmp;
return sc;
}

public RubiksCube() {
CubeColor[] colors = CubeColor.values();
for (int i = 0; i < 6; i++) {
edges[i] = new Edge(colors[i]);
}
}

@Override
public void front(RotateDirection direction) {
var e0 = edges[0].getRow(2);
var e1 = edges[1].getRow(0);
var e2 = edges[2].getCol(2);
var e3 = edges[3].getCol(0);
if (direction == RotateDirection.CLOCKWISE) {
edges[4].rotateClockwise();
edges[0].setRow(2 , rev(e2));
edges[1].setRow(0 , rev(e3));
edges[2].setCol(2 , e1);
edges[3].setCol(0 , e0);
} else {
edges[4].rotateClockwise();
edges[4].rotateClockwise();
edges[4].rotateClockwise();
edges[0].setRow(2 , e3);
edges[1].setRow(0 , e2);
edges[2].setCol(2 , rev(e0));
edges[3].setCol(0 , rev(e1));
}
}

@Override
public void right(RotateDirection direction) {
var e4 = edges[4].getCol(2);
var e0 = edges[0].getCol(2);
var e5 = edges[5].getCol(0);
var e1 = edges[1].getCol(2);
if (direction == RotateDirection.CLOCKWISE) {
edges[3].rotateClockwise();
edges[1].setCol(2 , rev(e5));
edges[4].setCol(2 , e1);
edges[0].setCol(2 , e4);
edges[5].setCol(0 , rev(e0));
} else {
edges[3].rotateClockwise();
edges[3].rotateClockwise();
edges[3].rotateClockwise();
edges[1].setCol(2 , e4);
edges[4].setCol(2 , e0);
edges[0].setCol(2 , rev(e5));
edges[5].setCol(0 , rev(e1));
}
}

@Override
public void left(RotateDirection direction) {
var e4 = edges[4].getCol(0);
var e0 = edges[0].getCol(0);
var e5 = edges[5].getCol(2);
var e1 = edges[1].getCol(0);
if (direction == RotateDirection.CLOCKWISE) {
edges[2].rotateClockwise();
edges[1].setCol(0 , e4);
edges[4].setCol(0 , e0);
edges[0].setCol(0 , rev(e5));
edges[5].setCol(2 , rev(e1));
} else {
edges[2].rotateClockwise();
edges[2].rotateClockwise();
edges[2].rotateClockwise();

edges[1].setCol(0 , rev(e5));
edges[4].setCol(0 , e1);
edges[0].setCol(0 , e4);
edges[5].setCol(2 , rev(e0));
}
}

@Override
public void up(RotateDirection direction) {
var e2 = edges[2].getRow(0);
var e4 = edges[4].getRow(0);
var e3 = edges[3].getRow(0);
var e5 = edges[5].getRow(0);
if (direction == RotateDirection.CLOCKWISE) {
edges[0].rotateClockwise();
edges[3].setRow(0 , rev(e5));
edges[4].setRow(0 , e3);
edges[2].setRow(0 , e4);
edges[5].setRow(0 , rev(e2));
} else {
edges[0].rotateClockwise();
edges[0].rotateClockwise();
edges[0].rotateClockwise();

edges[3].setRow(0 , e4);
edges[4].setRow(0 , e2);
edges[2].setRow(0 , rev(e5));
edges[5].setRow(0 , rev(e3));
}
}

@Override
public void down(RotateDirection direction) {
var e2 = edges[2].getRow(2);
var e4 = edges[4].getRow(2);
var e3 = edges[3].getRow(2);
var e5 = edges[5].getRow(2);
if (direction == RotateDirection.CLOCKWISE) {
edges[1].rotateClockwise();
edges[4].setRow(2 , e2);
edges[3].setRow(2 , e4);
edges[5].setRow(2 , rev(e3));
edges[2].setRow(2 , rev(e5));
} else {
edges[1].rotateClockwise();
edges[1].rotateClockwise();
edges[1].rotateClockwise();

edges[4].setRow(2 , e3);
edges[3].setRow(2 , rev(e5));
edges[5].setRow(2 , rev(e2));
edges[2].setRow(2 , e4);
}
}

@Override
public void back(RotateDirection direction) {
var e0 = edges[0].getRow(0);
var e1 = edges[1].getRow(2);
var e2 = edges[2].getCol(0);
var e3 = edges[3].getCol(2);
if (direction == RotateDirection.CLOCKWISE) {
edges[5].rotateClockwise();
edges[0].setRow(0 , e3);
edges[1].setRow(2 , e2);
edges[2].setCol(0 ,rev(e0));
edges[3].setCol(2 ,rev(e1));
} else {
edges[5].rotateClockwise();
edges[5].rotateClockwise();
edges[5].rotateClockwise();
edges[0].setRow(0 , rev(e2));
edges[1].setRow(2 , rev(e3));
edges[2].setCol(0 , e1);
edges[3].setCol(2 , e0);
}
}

public Edge[] getEdges() {
Expand All @@ -38,4 +184,14 @@ public Edge[] getEdges() {
public String toString() {
return Arrays.toString(edges);
}


public void debug() {
for (int i = 0; i < edges.length; i++) {
System.out.println(i);
for (int j = 0; j < edges[i].getParts().length; j++) {
System.out.println(Arrays.toString(edges[i].getParts()[j]));
}
}
}
}