That's a very simpleeffect, yet a very effective one.
这是非常简单的效果但是非常有效。
2
Splatter is a pretty simpleeffect that can be useful for the majority of t-shirt design concepts.
喷溅的效果非常简单，却能够广泛用在T恤设计概念之上。
3
For our first simpleeffect, we will draw an alpha-blended (semitransparent) circle at a fixed position over the video stream. The first step is to add the drawing functions to the screen.c.