package org.yourorghere;
import com.sun.opengl.util.Animator;
import com.sun.opengl.util.GLUT;
import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.media.opengl.GL;
import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.GLCanvas;
import javax.media.opengl.GLEventListener;
import javax.media.opengl.glu.GLU;
import com.sun.opengl.util.GLUT;
import javax.media.opengl.glu.GLUnurbs;
//import javax.media.opengl.glu.gl2.GLUgl2;
//import javax.media.opengl.glu.gl2es1.GLUgl2es1;
/**
* Test.java <BR> author: Brian Paul (converted to Java by Ron Cemer and Sven
* Goethel) <P>
*
* This version is equal to Brian Paul's version 1.2 1999/10/21
*/
public class Test implements GLEventListener {
public static float[][][] controlPoints = new float[20][15][6]; // КОнтрольные точки.
public static double Xangle = 30.0, Yangle = 10.0, Zangle = 40.0; // углы поворота поверхности.
public static int rowCount = 0, columnCount = 0; // Индексы для выбора котроьных точек.
public static GLUnurbs nurbsObject; //указатель на НУРБС объект
// Standard knot vector along the u-parameter.
public static float uknots[] = {0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 12, 12, 12};
// Standard knot vector along the v-parameter.
public static float vknots[] = {0, 0, 0, 0, 1, 2, 3, 4, 5, 6,
7, 7, 7, 7};
//Сброс контрольных точек
/*
* reser control points for new obj
*/
private void resetControlPoints() {
for (int i = 0; i < 15; i++) {
for (int j = 0; j < 10; j++) {
controlPoints[i][j][0] = (float) (-2.5 + j * 0.5);
controlPoints[i][j][1] = 0;
controlPoints[i][j][2] = 6 - i;
}
}
}
public static void main(String[] args) {
Frame frame = new Frame("Simple JOGL Application");
GLCanvas canvas = new GLCanvas();
canvas.addGLEventListener(new Test());
frame.add(canvas);
frame.setSize(640, 640);
final Animator animator = new Animator(canvas);
frame.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
// Run this on another thread than the AWT event queue to
// make sure the call to Animator.stop() completes before
// exiting
new Thread(new Runnable() {
public void run() {
animator.stop();
System.exit(0);
}
}).start();
}
});
// Center frame
frame.setLocationRelativeTo(null);
frame.setVisible(true);
animator.start();
}
public void init(GLAutoDrawable drawable) {
// Use debug pipeline
// drawable.setGL(new DebugGL(drawable.getGL()));
GL gl = drawable.getGL();
GLU glu = new GLU();
System.err.println("INIT GL IS: " + gl.getClass().getName());
// Enable VSync
gl.setSwapInterval(1);
// Setup the drawing area and shading mode
gl.glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
//Создаем НУРБС объект
nurbsObject = glu.gluNewNurbsRenderer();
//public static final int GLU_SAMPLING_METHOD = 100205;
//public static final int GLU_PATH_LENGTH = 100215;
glu.gluNurbsProperty(nurbsObject, 100205, 100215);
//public static final int GLU_SAMPLING_TOLERANCE = 100203;
glu.gluNurbsProperty(nurbsObject, 100203, 100);
//public static final int GLU_DISPLAY_MODE = 100204;
//public static final int GLU_OUTLINE_POLYG
glu.gluNurbsProperty(nurbsObject, 100204, 100240);
resetControlPoints();
gl.glShadeModel(GL.GL_SMOOTH); // try setting this to GL_FLAT and see what happens.
}
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
GL gl = drawable.getGL();
GLU glu = new GLU();
if (height <= 0) { // avoid a divide by zero error!
height = 1;
}
final float h = (float) width / (float) height;
gl.glViewport(0, 0, width, height);
gl.glMatrixMode(GL.GL_PROJECTION);
gl.glLoadIdentity();
glu.gluPerspective(45.0f, h, 1.0, 20.0);
gl.glMatrixMode(GL.GL_MODELVIEW);
gl.glLoadIdentity();
}
public void display(GLAutoDrawable drawable) {
GL gl = drawable.getGL();
GLU glu = new GLU();
GLUT glut = new GLUT();
// Clear the drawing area
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
// Reset the current matrix to the "identity"
gl.glLoadIdentity();
glu.gluLookAt(0.0, 0.0, 12.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
// Rotate scene.
gl.glRotated(Zangle, 0.0d, 0.0d, 0.0d);
gl.glRotated(Yangle, 0.0d, 1.0d, 0.0d);
gl.glRotated(Xangle, 1.0d, 0.0d, 0.0d);
// Draw the spline surface.
gl.glColor3f(0.0f, 0.0f, 0.0f);
glu.gluBeginSurface(nurbsObject);
glu.gluNurbsSurface(nurbsObject, 19, uknots, 14, vknots, 30, 3, controlPoints[0][0], 4, 4, GL.GL_MAP2_VERTEX_3);
glu.gluEndSurface(nurbsObject);
gl.glPointSize(5);
//Рисуем зеленые контрольные точки
gl.glColor3f(0.0f, 1.0f, 0.0f);
gl.glBegin(GL.GL_POINTS);
for (int i = 0; i < 15; i++) {
for (int j = 0; j < 10; j++) {
gl.glVertex3fv(controlPoints[i][j], 0);
}
}
gl.glEnd();
gl.glColor3f(1.0F, 0.0F, 0.0f);
gl.glBegin(GL.GL_POINTS);
gl.glVertex3fv(controlPoints[10][columnCount], 0);
gl.glEnd();
//рисуем координатную сетку
gl.glColor3f(0.0f, 0.0f, 1.0f);
gl.glLineWidth(2);
gl.glBegin(GL.GL_LINES);
gl.glVertex3f(-6.0f, 0.0f, 0.0f);
gl.glVertex3f(6.0f, 0.0f, 0.0f);
gl.glVertex3f(5.75f, 0.0f, 0.25f);
gl.glVertex3f(6.0f, 0.0f, 0.0f);
gl.glVertex3f(5.75f, 0.0f, -0.25f);
gl.glVertex3f(6.0f, 0.0f, 0.0f);
gl.glVertex3f(0.0f, -6.0f, 0.0f);
gl.glVertex3f(0.0f, 6.0f, 0.0f);
gl.glVertex3f(0.25f, 5.75f, 0.0f);
gl.glVertex3f(0.0f, 6.0f, 0.0f);
gl.glVertex3f(-0.25f, 5.75f, 0.0f);
gl.glVertex3f(0.0f, 6.0f, 0.0f);
gl.glVertex3f(0.0f, 0.0f, -9.0f);
gl.glVertex3f(0.0f, 0.0f, 6.5f);
gl.glVertex3f(0.25f, 0.0f, 6.25f);
gl.glVertex3f(0.0f, 0.0f, 6.5f);
gl.glVertex3f(-0.25f, 0.0f, 6.25f);
gl.glVertex3f(0.0f, 0.0f, 6.5f);
gl.glEnd();
gl.glLineWidth(1);
// Label the co-ordinate axes.
gl.glPushMatrix();
gl.glTranslatef(6.1f, 0.0f, 0.0f);
gl.glScalef(0.005f, 0.005f, 0.005f);
// writeStrokeString(GLUT_STROKE_ROMAN, "X");
glut.glutBitmapString(GLUT.BITMAP_HELVETICA_12, "X");
gl.glPopMatrix();
gl.glPushMatrix();
gl.glTranslatef(0.0f, 6.1f, 0.0f);
gl.glScalef(0.005f, 0.005f, 0.005f);
glut.glutBitmapString(GLUT.BITMAP_HELVETICA_12, "Y");
gl.glPopMatrix();
gl.glPushMatrix();
gl.glTranslatef(0.0f, 0.0f, 6.6f);
gl.glScalef(0.005f, 0.005f, 0.005f);
//writeStrokeString(GLUT_STROKE_ROMAN, "Z");
gl.glPopMatrix();
// glut.glutSwapBuffers();
// Flush all drawing operations to the graphics card
// gl.glFlush();
}
public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {
}
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