BlochRenderer/src/de/andreasvoelker/BlochFrame.java

package de.andreasvoelker;

import com.jogamp.opengl.GLCapabilities;
import com.jogamp.opengl.GLCapabilitiesImmutable;
import com.jogamp.opengl.GLProfile;
import com.jogamp.opengl.awt.GLCanvas;
import com.jogamp.opengl.util.Animator;
import org.jetbrains.annotations.NotNull;

import java.awt.event.*;

public class BlochFrame extends GLCanvas {
    final @NotNull BlochRenderer renderer;
    final @NotNull Animator animator;
    final RenderState state;


    class MyMouseMotionListener implements MouseMotionListener {
        int prevX, prevY;

        @Override
        public void mouseDragged(@NotNull MouseEvent e) {
            int dx = e.getX()-prevX;
            int dy = e.getY()-prevY;

            state.setPitch(state.getPitch()+0.01f*dx);
            state.setYaw(state.getYaw()+0.01f*dy);

            prevX = e.getX();
            prevY = e.getY();
        }

        @Override
        public void mouseMoved(@NotNull MouseEvent e) {
            prevX = e.getX();
            prevY = e.getY();

        }
    }

    class MyMouseWheelListener implements MouseWheelListener {

        @Override
        public void mouseWheelMoved(@NotNull MouseWheelEvent e) {
            System.out.println("Executed");
            System.out.println(e.getWheelRotation());
            state.setRadius(state.getRadius()+0.1f*(float)e.getWheelRotation());
        }
    }

    BlochFrame(RenderState state){
        super(getCapabilities());
        this.state = state;
        renderer = new BlochRenderer(state);
        addGLEventListener(renderer);
        setSize(400, 400);
        animator = new Animator(this);
        animator.start();
        addMouseMotionListener(this.new MyMouseMotionListener());
        addMouseWheelListener(this.new MyMouseWheelListener());
    }

    private static @NotNull GLCapabilitiesImmutable getCapabilities() {
        final GLProfile profile = GLProfile.get(GLProfile.GL2);
        return new GLCapabilities(profile);
    }

}