Method addText

docs/app/js/sanddance-app.js:11036–11040

(text)

        if (!this.chars) {
            const map = {};
            const addText = (text)=>{
                Array.from(text).forEach((char)=>{
                    map[char] = true;
                });
            };
            stage.textData.forEach((t)=>addText(t.text));
            const { x , y , z  } = stage.axes;
            [