led-matrix-ts/dist/esm/lib/core/scrollers/vertical-scroller.js

Highly customizable led matrix for the browser

export class VerticalScroller {
    loopEndIndex(panel) {
        return panel.board.height - 1;
    }
    generatePanelFrameAtIndex(currentIndex, panel) {
        let display = [];
        for (let i = 0; i < panel.board.height; i++) {
            let row;
            row = panel.board.getRowAtIndex(currentIndex + i);
            display.push(row.slice(0, panel.width));
        }
        return display;
    }
}
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