Unity UI shadow component

Future game development program yuan , Now I'm trying my best to learn vegetables and chicken
This column is used to record my recent study of game development
This is Unity-UI-shadow Components

twitter ： Why didn't I discover this component earlier , Although it is a small component , But I did it in the competition before ui The word "I" is in..., one by one ps Made in , and , Once there is a change , I'm going ps Redo in , Woo woo

1、 Basic knowledge of

More official interpretation ：

attribute	explain
Effect Color	Color of shadow
Effect Distance	Shadow offset in vector
Use Graphic Alpha	Multiply the color of the graphic by the color of the effect

Easy to understand ：
Effect Color： That's easy to understand , Is the color of the shadow
Default black ：

Change to green ：

Effect Distance： Can spend coordinates to understand , For example, the default x by 1,y by -1, This is the direction of the vector

Then the larger the number , The longer the vector is ,x by 3,y by -3 when

Use Graphic Alpha： Check , The transparency of the original drawing changes , The transparency of shadows also changes . Don't check , Does not change .

Example ： The parameters of green shadow are not adjusted , Change red only shadow Transparency
Check ：

Don't check ：

It can be seen that , When checked, the figure and shadow change harmoniously , Don't check , Any change in the transparency of shadows .