made Bishop class

src/pieces/Bishop.java

+package pieces;
+
+import game.Square;
+
+import java.util.ArrayList;
+
+public class Bishop extends Piece {
+    public Bishop(String ID, String imagePath, String color) {
+        setPieceId(ID);
+        setImage(imagePath);
+        setPieceColor(color);
+    }
+
+    public ArrayList<Square> move(Square[][] boardSquares, int x, int y) {
+        //The java.util.ArrayList.clear() method removes all of the elements from this list.The list will be empty after this call returns.
+        possibleSquares.clear();
+
+
+        int tempx=x+1,tempy=y-1;
+        while(tempx<8&&tempy>=0)
+        {
+            if(boardSquares[tempx][tempy].getPiece()==null)
+            {
+                possibleSquares.add(boardSquares[tempx][tempy]);
+            }
+            else if(boardSquares[tempx][tempy].getPiece().getPieceColor()==this.getPieceColor())
+                break;
+            else
+            {
+                possibleSquares.add(boardSquares[tempx][tempy]);
+                break;
+            }
+            tempx++;
+            tempy--;
+        }
+        tempx=x-1;tempy=y+1;
+        while(tempx>=0&&tempy<8)
+        {
+            if(boardSquares[tempx][tempy].getPiece()==null)
+                possibleSquares.add(boardSquares[tempx][tempy]);
+            else if(boardSquares[tempx][tempy].getPiece().getPieceColor()==this.getPieceColor())
+                break;
+            else
+            {
+                possibleSquares.add(boardSquares[tempx][tempy]);
+                break;
+            }
+            tempx--;
+            tempy++;
+        }
+        tempx=x-1;tempy=y-1;
+        while(tempx>=0&&tempy>=0)
+        {
+            if(boardSquares[tempx][tempy].getPiece()==null)
+                possibleSquares.add(boardSquares[tempx][tempy]);
+            else if(boardSquares[tempx][tempy].getPiece().getPieceColor()==this.getPieceColor())
+                break;
+            else
+            {
+                possibleSquares.add(boardSquares[tempx][tempy]);
+                break;
+            }
+            tempx--;
+            tempy--;
+        }
+        tempx=x+1;tempy=y+1;
+        while(tempx<8&&tempy<8)
+        {
+            if(boardSquares[tempx][tempy].getPiece()==null)
+                possibleSquares.add(boardSquares[tempx][tempy]);
+            else if(boardSquares[tempx][tempy].getPiece().getPieceColor()==this.getPieceColor())
+                break;
+            else
+            {
+                possibleSquares.add(boardSquares[tempx][tempy]);
+                break;
+            }
+            tempx++;
+            tempy++;
+        }
+        return possibleSquares;
+    }
+}
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