function animate() {
                
                setTimeout(function(){
                var arrayLength = forms.length;
                for (var i = 0; i < arrayLength; i++) {
                    forms[i].scale();

                }
                form = new Form(x, y);
                if (fps>1)
                {fps=fps-1;}
                else{fps=0.3;}
//               alert(fps);

                forms.push(form);

                var arrayLength = forms.length;

                for (var i = 0; i < arrayLength; i++) {
                    draw_form(forms[i], ctx);

                }

                var min = -100;
                var max = window.innerWidth;
// and the formula is:
                var random = Math.floor(Math.random() * (max – min + 1)) + min;
                x = random;
                var random = Math.floor(Math.random() * (max – min + 1)) + min;
                y = random;