Method constructor

code/main/RenderArea.ts:13–15

(width: number = 0, height: number = 0, character: string = " ")

    
    // Constructor : by default, it creates en empty drawing area
    constructor(width: number = 0, height: number = 0, character: string = " "){
        this.resize(width, height, character);
    }
    
    // Public methods
    public addAsciiButton(x1: number, x2: number, y: number, otherClass: string = ""): boolean{