const setupScriptRunner = () => {
    canvasContext = canvas.getContext("2d");
    Painter.canvas        = canvas;
    Painter.canvasContext = canvasContext;
}

const runScript = () => {
    setToCenter();
    resetRotation();
    clearCanvas();

    for (const elm of script.children) {
        elm.action(Painter);
    }
}

const setToCenter = () => {
    Painter.x1 = Painter.canvas.width  / 2
    Painter.y1 = Painter.canvas.height / 2
    Painter.canvasContext.moveTo( Painter.x1, Painter.y1 );
}

const clearCanvas = () => {
    Painter.canvasContext.clearRect(0, 0, canvas.width, canvas.height);
}

const resetRotation = () => {
    Painter.rotation = 0;
}