chapter3_code_to_copy.txt

P17
fun tileColors(): Array<Array<Int>> {
    val shades = Array<Array<Int>>(2) {
        Array<Int>(2) { 0 }
    }
    shades[0][0] = 192
    shades[0][1] = 128
    shades[1][0] = 64
    shades[1][1] = 0
    return shades
}

P18
fun tileColors(): Array<Array<Int>> {
    val shades = Array<Array<Int>>(2) {
        Array<Int>(2) { 0 }
    }
    shades[0][0] = 0
    shades[0][1] = 255
    shades[1][0] = 255
    shades[1][1] = 0
    return shades
}

P19
fun tileColors(): Array<Array<Int>> {
    val shades = Array<Array<Int>>(3) {
        Array<Int>(3) { 0 }
    }
    shades[0][0] = 255
    shades[0][1] = 255
    shades[0][2] = 0
    shades[1][0] = 255
    shades[1][1] = 0
    shades[1][2] = 0
    shades[2][0] = 0
    shades[2][1] = 0
    shades[2][2] = 0

    return shades
}

P20
fun tileColors(): Array<Array<Int>> {
    val shades = Array<Array<Int>>(5) {
        Array<Int>(5) { 0 }
    }
    //Set each cell in row 0 to be black
    for (col in 0..4) {
        shades[0][col] = 0
    }
    //Row 1 is dark grey.
    for (col in 0..4) {
        shades[1][col] = 65
    }
    //Row 2 is grey.
    for (col in 0..4) {
        shades[2][col] = 130
    }
    //Row 3 is light grey.
    for (col in 0..4) {
        shades[3][col] = 195
    }
    //Row 4 is white.
    for (col in 0..4) {
        shades[4][col] = 255
    }
    return shades
}

P21
fun tileColors(): Array<Array<Int>> {
    val shades = Array<Array<Int>>(5) {
        Array<Int>(5) { 0 }
    }
    for (row in 0..4) {
        for (col in 0..4) {
            shades[row][col] = 255
        }
    }
    return shades
}
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P22
fun tileColors(): Array<Array<Int>> {
    val shades = Array<Array<Int>>(5) {
        Array<Int>(5) { 0 }
    }
    //Set each cell in row 0 to be black
    for (col in 0..4) {
        shades[0][col] = 0
    }
    //Row 1 is white.
    for (col in 0..4) {
        shades[1][col] = 255
    }
    //Row 2 is black.
    for (col in 0..4) {
        shades[2][col] = 0
    }
    //Row 3 is white.
    for (col in 0..4) {
        shades[3][col] = 255
    }
    //Row 4 is black.
    for (col in 0..4) {
        shades[4][col] = 0
    }
    return shades
}

P23
fun tileColors(): Array<Array<Int>> {
    val shades = Array<Array<Int>>(5) {
        Array<Int>(5) { 0 }
    }
    for (row in 0..4) {
        for (col in 0..4) {
            shades[row][col] = 128
        }
    }
    return shades
}