Game of Life for scroll:bit

game-of-life-scrollbit.ts

let cell: number[] = []
let newCell: number[] = []
let dotBrightness: number = 64
function newGeneration() {
    scrollbit.clear()
    for (let m = 0; m <= scrollbit.rows() - 1; m++) {
        for (let o = 0; o <= scrollbit.cols() - 1; o++) {
            cell[m * scrollbit.cols() + o] = Math.randomRange(0, 1)
            scrollbit.setPixel(o, m, cell[m * scrollbit.cols() + o] * dotBrightness)
        }
    }
    scrollbit.show()
}
function nextGeneration() {
    scrollbit.clear()
    for (let i = 0; i <= scrollbit.rows() - 1; i++) {
        for (let j = 0; j <= scrollbit.cols() - 1; j++) {
            let im = i - 1
            if (im < 0) {
                im = scrollbit.rows() - 1
            }
            let jm = j - 1
            if (jm < 0) {
                jm = scrollbit.cols() - 1
            }
            let ip = i + 1
            if (ip >= scrollbit.rows()) {
                ip = 0
            }
            let jp = j + 1
            if (jp >= scrollbit.cols()) {
                jp = 0
            }
            let n = cell[im * scrollbit.cols() + jm] + cell[im * scrollbit.cols() + j] + cell[im * scrollbit.cols() + jp]
                + cell[i * scrollbit.cols() + jm] + cell[i * scrollbit.cols() + jp]
                + cell[ip * scrollbit.cols() + jm] + cell[ip * scrollbit.cols() + j] + cell[ip * scrollbit.cols() + jp]

            if (n < 2) {
                newCell[i * scrollbit.cols() + j] = 0
            } else if (n === 2) {
                newCell[i * scrollbit.cols() + j] = cell[i * scrollbit.cols() + j]
                if (cell[i * scrollbit.cols() + j] == 1) {
                    scrollbit.setPixel(j, i, dotBrightness)
                }
            } else if (n === 3) {
                newCell[i * scrollbit.cols() + j] = 1
                scrollbit.setPixel(j, i, dotBrightness)
            } else {
                newCell[i * scrollbit.cols() + j] = 0
            }
        }
    }
    for (let k = 0; k <= scrollbit.rows() - 1; k++) {
        for (let l = 0; l <= scrollbit.cols() - 1; l++) {
            cell[k * scrollbit.cols() + l] = newCell[k * scrollbit.cols() + l]
        }
    }
    scrollbit.show()
}
newGeneration();
basic.forever(function () {
    control.waitMicros(100000)
    nextGeneration()
})