A complete 3D game development suite written purely in Java.
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jmonkeyengine/jme3-examples/src/main/java/jme3test/material/TestGeometryShader.java

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package jme3test.material;
import com.jme3.app.SimpleApplication;
import com.jme3.bounding.BoundingBox;
import com.jme3.material.Material;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
import com.jme3.scene.Mesh;
import com.jme3.scene.VertexBuffer;
import com.jme3.scene.shape.Sphere;
import com.jme3.util.BufferUtils;
/**
* Created by michael on 23.02.15.
*/
public class TestGeometryShader extends SimpleApplication {
@Override
public void simpleInitApp() {
Mesh mesh = new Mesh();
mesh.setBuffer(VertexBuffer.Type.Index, 1, BufferUtils.createIntBuffer(new int[]{1}));
mesh.setBuffer(VertexBuffer.Type.Position, 3, BufferUtils.createFloatBuffer(new float[]{0, 0, 0}));
mesh.setMode(Mesh.Mode.Points);
mesh.setBound(new BoundingBox(new Vector3f(0, 0, 0), 10, 10, 10));
mesh.updateCounts();
Geometry geometry = new Geometry("Test", mesh);
geometry.updateGeometricState();
geometry.setMaterial(new Material(assetManager, "Materials/Geom/SimpleGeom.j3md"));
//geometry.getMaterial().getAdditionalRenderState().setFaceCullMode(RenderState.FaceCullMode.Off);
//geometry.setMaterial(assetManager.loadMaterial("Materials/Geom/SimpleTess.j3md"));
rootNode.attachChild(geometry);
Geometry geometry1 = new Geometry("T1", new Sphere(10, 10, 1));
geometry1.setMaterial(new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md"));
rootNode.attachChild(geometry1);
}
public static void main(String[] args) {
TestGeometryShader app = new TestGeometryShader();
app.start();
}
}