Package edu.cnu.mdi.mdi3D.item3D

Interface LabelSet3D.LabelCull

Enclosing class:

LabelSet3D

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface LabelSet3D.LabelCull

Functional interface for optional per-label visibility tests.

Method Summary

Modifier and Type	Method	Description
boolean	accept(com.jogamp.opengl.GL2 gl, float[] modelView, float x, float y, float z, float winX, float winY, float winZ)	Decide whether to render a label for a point.

Method Details

accept

boolean accept(com.jogamp.opengl.GL2 gl,
 float[] modelView,
 float x,
 float y,
 float z,
 float winX,
 float winY,
 float winZ)

Decide whether to render a label for a point.

Parameters:

gl - current GL2

modelView - a snapshot of GL_MODELVIEW_MATRIX for the 3D scene (length 16)

x - point world x

y - point world y

z - point world z

winX - projected window x (pixels, origin at left)

winY - projected window y (pixels, origin at bottom)

winZ - projected window depth in [0,1] (gluProject convention)

Returns:

true to draw the label, false to skip it