Starting Piece Shape and Maps, WIP: wrong algorithm

app/src/main/java/school_project/Shape.java

@@ -0,0 +1,40 @@
+package school_project;
+
+
+public class Shape {
+
+    protected boolean[][] matrix;
+    protected int height, width;
+
+    public Shape() {
+        matrix = new boolean[0][0];
+    }
+
+    public Shape(boolean[][] matrix){
+        this.setShape(matrix);
+    }
+
+    public void setShape(boolean[][] matrix) throws IllegalArgumentException{
+        height = matrix.length;
+        width = matrix[0].length;
+
+        for (boolean[] row: matrix){
+            if(row.length != width){
+                throw new IllegalArgumentException("The argument should be a square matrix");
+            }
+        }
+        this.matrix = matrix;
+    }
+
+    public int getHeight() {
+        return height;
+    }
+
+    public int getWidth() {
+        return width;
+    }
+
+    public boolean[][] getShape() {
+        return matrix;
+    }
+}