How to increase the rect color in ArrayList

[wangtian297]

I want this rect color. How to code it
![RZSWL()OR7C8E[LI8EEH$G.png

[DreamWasFucked]

@wangtian297 learn jawa (and opangl) pls

[wangtian297]

This post is deleted!

[wangtian297]

@skidma Is there any code or principle

[DreamWasFucked]

@wangtian297

GL11.glColor4f(red, green, blue, alpha);