// #============# // | 定数・変数 | // #============# var g, WIDTH=460, HEIGHT=460, mono, mousepx, mousepy; // #========================# // | Canvas・イベント初期化 | // #========================# function init(){ var canvas = document.querySelector("#can"); canvas.width = WIDTH; canvas.height = HEIGHT; canvas.addEventListener("mousemove",onmove_func,false); g = canvas.getContext('2d'); mousepx = WIDTH/2; mou