Sha256: 7954617da855de073e280ed6b88ace7099ac2f5dab3f0cdcdfb579bfb63925fc

Contents?: true

Size: 840 Bytes

Versions: 188

Compression:

Stored size: 840 Bytes

Contents

class SpiralMatrixBuilder {

    int[][] buildMatrixOfSize(int size) {
        if (size == 0) {
            return new int[][]{};
        }

        int[][] result = new int[size][size];
        int entryCount = (int) Math.pow(size, 2.0);

        Coordinate coord = new Coordinate(0, 0);
        Direction direction = Direction.RIGHT;

        for (int i = 0; i < entryCount; i++) {
            result[coord.getY()][coord.getX()] = i + 1;

            Coordinate maybeNextCoord = coord.step(direction);
            if (maybeNextCoord.isWithinGridOfSize(size) && result[maybeNextCoord.getY()][maybeNextCoord.getX()] == 0) {
                coord = maybeNextCoord;
            } else {
                direction = direction.turnRight();
                coord = coord.step(direction);
            }
        }

        return result;
    }

}

Version data entries

188 entries across 188 versions & 1 rubygems

Version Path
trackler-2.2.1.78 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.77 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.76 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.75 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.74 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.73 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.72 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.71 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.70 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.69 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.68 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.67 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.66 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.65 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.64 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.63 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.62 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.61 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.60 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java
trackler-2.2.1.59 tracks/java/exercises/spiral-matrix/.meta/src/reference/java/SpiralMatrixBuilder.java