Java 如何在JOGL中移动相机眼睛位置?
我试图在jogl中移动相机,但我的代码似乎没有任何作用。如何使用键盘输入移动相机?我正在画一个旋转六边形,我想移动相机,但我似乎无法让它工作。这是我的代码:Java 如何在JOGL中移动相机眼睛位置?,java,opengl,jogl,Java,Opengl,Jogl,我试图在jogl中移动相机,但我的代码似乎没有任何作用。如何使用键盘输入移动相机?我正在画一个旋转六边形,我想移动相机,但我似乎无法让它工作。这是我的代码: import javax.media.opengl.*; import javax.media.opengl.awt.*; import com.sun.opengl.util.*; import com.sun.opengl.util.gl2.GLUT; import javax.media.opengl.glu.*; import j
import javax.media.opengl.*;
import javax.media.opengl.awt.*;
import com.sun.opengl.util.*;
import com.sun.opengl.util.gl2.GLUT;
import javax.media.opengl.glu.*;
import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
public class Rotation2 extends JFrame implements GLEventListener, KeyListener
{
GLCanvas canvas;
Animator an;
public Rotation2()
{
canvas=new GLCanvas();
an=new Animator(canvas);
add(canvas);
canvas.addGLEventListener(this);
canvas.addKeyListener(this);
setSize(600,400);
setVisible(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
an.start();
}
double eyeX = 0;
double eyeY = 0;
double eyeZ = 0;
public void init(GLAutoDrawable drawable)
{
GL2 gl=drawable.getGL().getGL2();
GLU glu = new GLU();
gl.glClearColor(0.0f,0.0f,0.0f,0.0f);
gl.glMatrixMode(GL2.GL_PROJECTION);
gl.glOrtho(-300,300,-200,200,200,-200);
//gl.glLoadIdentity();
gl.glMatrixMode(GL2.GL_MODELVIEW);
//glu.gluLookAt(5, 5, 5,0, 0, 0, 1, 100, 0);
gl.glClearDepth(1.0f); // Set background depth to farthest
gl.glEnable(GL2.GL_DEPTH_TEST); // Enable depth testing for z-culling
gl.glDepthFunc(GL2.GL_LEQUAL); // Set the type of depth-test
}
double x=0;
public void display(GLAutoDrawable drawable)
{
GL2 gl=drawable.getGL().getGL2();
gl.glClear(GL2.GL_COLOR_BUFFER_BIT | GL2.GL_DEPTH_BUFFER_BIT);
gl.glEnable(GL2.GL_DEPTH_TEST);
gl.glLoadIdentity();
GLU glu=new GLU();
//gl.glPushMatrix();
gl.glScaled(2,2,2);
gl.glRotated(x,1,1,1);
x+=.05;
glu.gluLookAt(eyeX, eyeY, 2,0, 0, 0, 1, 100, 0);
gl.glColor3f(0,1f,0);
// front
gl.glBegin(GL2.GL_POLYGON);
gl.glVertex3d(25,50,25);
gl.glVertex3d(-25,50,25);
gl.glVertex3d(-50,0,25);
gl.glVertex3d(-25,-50,25);
gl.glVertex3d(25,-50,25);
gl.glVertex3d(50,0,25);
gl.glEnd();
//left
gl.glColor3f(1f,1f,0);
gl.glBegin(GL2.GL_POLYGON);
gl.glVertex3d(25,50,-25);
gl.glVertex3d(-25,50,-25);
gl.glVertex3d(-50,0,-25);
gl.glVertex3d(-25,-50,-25);
gl.glVertex3d(25,-50,-25);
gl.glVertex3d(50,0,-25);
gl.glEnd();
gl.glColor3f(1f,0f,0);
gl.glBegin(GL2.GL_POLYGON);
gl.glVertex3d(25,50,25);
gl.glVertex3d(25,50,-25);
gl.glVertex3d(-25,50,-25);
gl.glVertex3d(-25,50,25);
gl.glEnd();
gl.glColor3f(0f,0f,1f);
gl.glBegin(GL2.GL_POLYGON);
gl.glVertex3d(-25,50,25);
gl.glVertex3d(-25,50,-25);
gl.glVertex3d(-50,0,-25);
gl.glVertex3d(-50,0,25);
gl.glEnd();
gl.glColor3f(1f,1f,1f);
gl.glBegin(GL2.GL_POLYGON);
gl.glVertex3d(-50,0,25);
gl.glVertex3d(-50,0,-25);
gl.glVertex3d(-25,-50,-25);
gl.glVertex3d(-25,-50,25);
gl.glEnd();
gl.glColor3f(0,1f,1f);
gl.glBegin(GL2.GL_POLYGON);
gl.glVertex3d(-25,-50,25);
gl.glVertex3d(-25,-50,-25);
gl.glVertex3d(25,-50,-25);
gl.glVertex3d(25,-50,25);
gl.glEnd();
gl.glColor3f(1,0f,1f);
gl.glBegin(GL2.GL_POLYGON);
gl.glVertex3d(25,-50,25);
gl.glVertex3d(25,-50,-25);
gl.glVertex3d(50,0,-25);
gl.glVertex3d(50,0,25);
gl.glEnd();
gl.glColor3f(.2f,1f,.2f);
gl.glBegin(GL2.GL_POLYGON);
gl.glVertex3d(50,0,25);
gl.glVertex3d(50,0,-25);
gl.glVertex3d(25,50,-25);
gl.glVertex3d(25,50,25);
gl.glEnd();
//gl.glPopMatrix();
}
public void reshape(GLAutoDrawable drawable,int x,int y,int width,int height)
{}
public void dispose(GLAutoDrawable drawable)
{}
public static void main(String[] ar)
{
new Rotation2();
}
@Override
public void keyTyped(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_X) {
eyeX++;
}
else if (e.getKeyCode() == KeyEvent.VK_Y) {
eyeY++;
}
else if(e.getKeyCode() == KeyEvent.VK_Z) {
eyeZ++;
}
else {
}
}
@Override
public void keyPressed(KeyEvent e) {
}
@Override
public void keyReleased(KeyEvent e) {
}
}
那是不推荐的opengl,算了吧 您也在使用一个非常旧的jogl,更新它,继续,在“构建/下载”下单击“zip”,然后下载
jogamp所有平台。7z
提取它并按说明设置jogl
拿着这个
它已经使用了keyListener
,只需复制为keyTyped
编写的代码并将其粘贴到keyPressed
下即可(您必须使用jogamp keyListener,您在示例中使用的是java awt)
如果您有任何问题,请告诉我们:)在Netbeans中设置JOGL库时遇到问题。我已经下载了zip文件并将其解压缩到我的C驱动器,并在Netbeans中添加了库,但我的软件包在几乎每次导入时都不存在错误。另一个问题是,由于代码兼容性,我需要使用我已经使用的版本,因为我不确定这将如何与我的纹理协同工作。导入时会出现错误,因为
GL
对象已移动,javax.media.opengl
是旧位置。不用担心纹理,您可以使用来正确处理每种可能的纹理。你有哪些纹理(即格式)?我还得到了“不可编译的源代码-包框架不存在”我只是将“jpeg”或“png”应用于四边形,但我对纹理和JOGL一般来说是非常新的。我只是想让它工作,因为我在一个最后期限。相信我,你将不会有问题更新jogl。用这个代替。它将png图像加载到正方形上并旋转。它非常适合你的情况