lunchpad/examples/lib/drawing.ts

interface for the novation launchpad mini, for node and the browser

import Color from '../../src/lib/Color'

function drawing(launchpad) {
    let currentColor = Color.RED

    let definitionRed = Color.RED
    let definitionGreen = Color.GREEN
    let definitionAmber = Color.AMBER

    launchpad
        .on('input', (x, y) => {
            let newColor = currentColor
            if (launchpad.getSquare(x, y).getCode() === newColor.getCode()) {
                newColor = Color.BLACK
            }

            launchpad.setSquare(x, y, newColor)
        })
        .on('functionY', y => {
            if (y === 0) {
                launchpad.clearSquares()
            }
        })
        .on('functionX', x => {
            if (x === 0) {
                currentColor = Color.getColor((definitionRed.getRed() + 1) % 3 + 1, 0)
                definitionRed = currentColor
            } else if (x === 1) {
                currentColor = Color.getColor(0, (definitionGreen.getGreen() + 1) % 3 + 1)
                definitionGreen = currentColor
            } else if (x === 2) {
                currentColor = Color.getColor((definitionAmber.getRed() + 1) % 3 + 1, (definitionAmber.getGreen() + 1) % 3 + 1)
                definitionAmber = currentColor
            } else {
                return
            }

            launchpad.setFunctionX(7, currentColor)
        })
        .setFunctionY(0, Color.RED)
        .setFunctionX(0, Color.RED)
        .setFunctionX(1, Color.GREEN)
        .setFunctionX(2, Color.AMBER)
        .setFunctionX(7, currentColor)
}

export default drawing