VB带放大功能的哈哈镜效果，比较搞笑的放大镜特效，设置颜色、半径、倍数等会有另一种效果，想知道原理的赶紧研究一下哦！-VB with the concavo-amplification effect of a magnifying glass effect compared comedy, set color, radius, there will be a multiplier effect, etc., would like to know immediately to look at the principle of Oh!