public final void gluPerspective(double fovy, double aspect, double zNear, double zFar) {
project.gluPerspective(getCurrentGL2(), fovy, aspect, zNear, zFar);
}
public final void gluPerspective(float fovy, float aspect, float zNear, float zFar) {
project.gluPerspective(
getCurrentGL2(), (double) fovy, (double) aspect, (double) zNear, (double) zFar);
}