JAVA uses a combination of OpenGL do have examples of waveforms, sine and cosine can transform between waves, but also set the refresh time

opengl-swt
..........\gl-0500.dll
..........\ogl.jar
..........\src
..........\...\sin_cos
..........\...\.......\Curve2.java
..........\...\.......\Point.java
..........\...\.......\PointVector.java
..........\说明.txt

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