Method drawVerticalLine

code/main/RenderArea.ts:410–417

(str: string, x: number, y1: number, y2: number)

    }
    
    public drawVerticalLine(str: string, x: number, y1: number, y2: number): boolean{
        for(var i = y1; i <= y2; i++){
            if(this.drawString(str, x, i) == false)
                return false;
        }
        
        return true;
    }
    
    public eraseEverything(character: string = " "): boolean{
        var str: string;