import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.nio.FloatBuffer; import javax.swing.*; import javax.media.opengl.*; import javax.media.opengl.awt.GLCanvas; import javax.media.opengl.glu.GLU; import com.jogamp.opengl.util.Animator; public class Animation extends JFrame{ GLCanvas canvas; SceneView sv; public Animation() { sv = new SceneView(); //GLEventListener-Objekt GLProfile glp = GLProfile.getDefault(); GLCapabilities caps = new GLCapabilities(glp); canvas = new GLCanvas(caps); canvas.addGLEventListener(sv); add(canvas); final Animator animator = new Animator(canvas); animator.add(canvas); animator.start(); JFrame frame = new JFrame("Particles"); frame.setSize(800, 800); frame.addWindowListener(new WindowAdapter(){ public void windowClosing(WindowEvent e){ new Thread(){ public void run(){ animator.stop(); System.exit(0); } }.start(); } }); setTitle("Animation"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setSize(500,500); setVisible(true); } class SceneView implements GLEventListener { float rotPyramid = 0.0f; float rotCube = 0.0f; public void init(GLAutoDrawable drawable) { GL2 gl = drawable.getGL().getGL2(); gl.glClearColor(1f, 1f, 1f, 0f); // grey background gl.glEnable(GL2.GL_LIGHTING); gl.glEnable(GL2.GL_LIGHT0); gl.glEnable(GL2.GL_NORMALIZE); gl.glEnable(GL.GL_DEPTH_TEST); gl.glClearDepth(1.0f); gl.glDepthFunc(GL.GL_LEQUAL); } public void display(GLAutoDrawable drawable) { update(); GL2 gl = drawable.getGL().getGL2(); gl.glClear(GL2.GL_COLOR_BUFFER_BIT|GL2.GL_DEPTH_BUFFER_BIT); //clear background GLU glu = new GLU(); gl.glMatrixMode(GL2.GL_MODELVIEW); gl.glLoadIdentity(); glu.gluLookAt(0, 0, 15, 0, 0, -2, 0, 1, 0); //light setup float light_ambient[] = { 0.2f, 0.2f, 0.2f, 1.0f }; float light_diffuse[] = { 1.0f, 1.0f, 1.0f, 1.0f }; float light_position[] = { 2.0f, 2.0f, 2.0f, 1.0f }; gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_AMBIENT, FloatBuffer.wrap(light_ambient)); gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_DIFFUSE, FloatBuffer.wrap(light_diffuse)); gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION,FloatBuffer.wrap(light_position)); //materials float mat_ambient[] = { 0.1f, 0.2f, 0.1f, 1.0f }; float mat_diffuse_pyramid[] = { 0.8f, 0.5f, 0.3f, 1.0f }; float mat_diffuse_cube[] = { 0.1f, 0.6f, 0.6f, 1.0f }; gl.glMaterialfv(GL2.GL_FRONT, GL2.GL_AMBIENT, FloatBuffer.wrap(mat_ambient)); gl.glMaterialfv(GL2.GL_FRONT, GL2.GL_DIFFUSE, FloatBuffer.wrap(mat_diffuse_cube)); gl.glPushMatrix(); gl.glRotated(rotCube,0.0,1.0,0.0); gl.glTranslated(6, -1, 1); drawBox(gl, 2, 2, 2); gl.glPopMatrix(); gl.glMaterialfv(GL2.GL_FRONT, GL2.GL_DIFFUSE, FloatBuffer.wrap(mat_diffuse_pyramid)); gl.glPushMatrix(); gl.glRotated(-rotPyramid,0.0,1.0,0.0); gl.glTranslated(-1, -1, 1); drawPyramid(gl,2.0f,2.0f); gl.glPopMatrix(); } public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h) { GL2 gl = drawable.getGL().getGL2(); GLU glu = new GLU(); gl.glMatrixMode(GL2.GL_PROJECTION); gl.glLoadIdentity(); glu.gluPerspective(45, w/h, 0.1, 1000); } public void dispose(GLAutoDrawable drawable) { } public void drawBox(GL2 gl, double width, double height, double depth){ gl.glNormal3d(0,0,1); gl.glBegin(GL2.GL_QUADS); gl.glVertex3d(0, 0, 0); gl.glVertex3d(width, 0, 0); gl.glVertex3d(width, height, 0); gl.glVertex3d(0, height, 0); gl.glEnd(); gl.glNormal3d(0,0,-1); gl.glBegin(GL2.GL_QUADS); gl.glVertex3d(0, 0, -depth); gl.glVertex3d(width, 0, -depth); gl.glVertex3d(width, height, -depth); gl.glVertex3d(0, height, -depth); gl.glEnd(); gl.glNormal3d(0,-1,0); gl.glBegin(GL2.GL_QUADS); gl.glVertex3d(0, 0, 0); gl.glVertex3d(0, 0, -depth); gl.glVertex3d(width, 0, -depth); gl.glVertex3d(width, 0, 0); gl.glEnd(); gl.glNormal3d(0,1,0); gl.glBegin(GL2.GL_QUADS); gl.glVertex3d(0, height, 0); gl.glVertex3d(0, height, -depth); gl.glVertex3d(width, height, -depth); gl.glVertex3d(width, height, 0); gl.glEnd(); gl.glNormal3d(-1,0,0); gl.glBegin(GL2.GL_QUADS); gl.glVertex3d(0, 0, 0); gl.glVertex3d(0, height, 0); gl.glVertex3d(0, height, -depth); gl.glVertex3d(0, 0, -depth); gl.glEnd(); gl.glNormal3d(1,0,0); gl.glBegin(GL2.GL_QUADS); gl.glVertex3d(width, 0, 0); gl.glVertex3d(width, height, 0); gl.glVertex3d(width, height, -depth); gl.glVertex3d(width, 0, -depth); gl.glEnd(); } public void drawPyramid(GL2 gl, float side, float height){ gl.glNormal3d(0,-1,0); gl.glBegin(GL2.GL_QUADS); gl.glVertex3d(0, 0, 0); gl.glVertex3d(0, 0, -side); gl.glVertex3d(side, 0, -side); gl.glVertex3d(side, 0, 0); gl.glEnd(); gl.glBegin(GL2.GL_TRIANGLES); float[] a = new float[3]; float[] b = new float[3]; a[0] = 0; a[1] = -height; a[2] = side/2; b[0] = side; b[1] = -height; b[2] = side/2; gl.glNormal3fv(crossProduct(a,b)); gl.glVertex3d(side/2, height, -side/2); gl.glVertex3d(0, 0, 0); gl.glVertex3d(side, 0, 0); a[0] = side; a[1] = -height; a[2] = side/2; b[0] = side; b[1] = -height; b[2] = -side+(side/2); gl.glNormal3fv(crossProduct(a,b)); gl.glVertex3d(side/2, height, -side/2); gl.glVertex3d(side, 0, 0); gl.glVertex3d(side, 0,-side); a[0] = side; a[1] = -height; a[2] = -side-(side/2); b[0] = 0; b[1] = -height; b[2] = -side+(side/2); gl.glNormal3fv(crossProduct(a,b)); gl.glVertex3d(side/2, height, -side/2); gl.glVertex3d(side, 0,-side); gl.glVertex3d(0, 0,-side); a[0] = 0; a[1] = -height; a[2] = -side+(side/2); b[0] = 0; b[1] = -height; b[2] = side/2; gl.glNormal3fv(crossProduct(a,b)); gl.glVertex3d(side/2, height, -side/2); gl.glVertex3d(0, 0,-side); gl.glVertex3d(0, 0, 0); gl.glEnd(); } private FloatBuffer crossProduct(float[]a, float[]b){ float[] result = new float[3]; result[0] = a[1]*b[2] - a[2]*b[1]; result[1] = a[2]*b[0] - a[0]*b[2]; result[2] = a[0]*b[1] - a[1]*b[0]; return FloatBuffer.wrap(result); } private void update(){ rotPyramid += 0.5; rotCube +=0.5; } } public static void main(String args[]) { new Animation(); } }