public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h) {
GL2 gl = drawable.getGL().getGL2();
//
gl.glViewport(0, 0, w, h);
gl.glMatrixMode(GL2.GL_PROJECTION);
gl.glLoadIdentity();
if (w <= (h * 3))
gl.glOrtho(
-6.0,
6.0,
-2.0 * ((float) h * 3) / (float) w,
2.0 * ((float) h * 3) / (float) w,
0.0,
10.0);
else
gl.glOrtho(
-6.0 * (float) w / ((float) h * 3), //
6.0 * (float) w / ((float) h * 3),
-2.0,
2.0,
0.0,
10.0);
gl.glMatrixMode(GL2.GL_MODELVIEW);
gl.glLoadIdentity();
}
@Override
public void init(GLAutoDrawable glDrawable) {
GL2 gl = glDrawable.getGL().getGL2();
gl.glShadeModel(GLLightingFunc.GL_SMOOTH);
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
gl.glClearDepth(1.0f);
gl.glEnable(GL.GL_DEPTH_TEST);
gl.glDepthFunc(GL.GL_LEQUAL);
gl.glHint(GL2ES1.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST);
}
public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h) {
GL2 gl = drawable.getGL().getGL2();
//
gl.glViewport(0, 0, w, h);
gl.glMatrixMode(GL2.GL_PROJECTION);
gl.glLoadIdentity();
if (w <= h)
gl.glOrtho(-2.5, 2.5, -2.5 * (float) h / (float) w, 2.5 * (float) h / (float) w, -10.0, 10.0);
else
gl.glOrtho(-2.5 * (float) w / (float) h, 2.5 * (float) w / (float) h, -2.5, 2.5, -10.0, 10.0);
gl.glMatrixMode(GL2.GL_MODELVIEW);
}
@Override
public void reshape(GLAutoDrawable gLDrawable, int x, int y, int width, int height) {
GL2 gl = gLDrawable.getGL().getGL2();
final float aspect = (float) width / (float) height;
gl.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
gl.glLoadIdentity();
final float fh = 0.5f;
final float fw = fh * aspect;
gl.glFrustumf(-fw, fw, -fh, fh, 1.0f, 1000.0f);
gl.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
gl.glLoadIdentity();
}
/*
* Initialize material property and light source.
*/
public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
//
float light_ambient[] = {0.0f, 0.0f, 0.0f, 1.0f};
float light_diffuse[] = {1.0f, 0.0f, 1.0f, 1.0f};
float light_specular[] = {1.0f, 0.0f, 1.0f, 1.0f};
/* light_position is NOT default value */
float light_position[] = {1.0f, 1.0f, 1.0f, 0.0f};
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_SPECULAR, light_ambient, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_DIFFUSE, light_diffuse, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_SPECULAR, light_specular, 0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION, light_position, 0);
gl.glEnable(GL2.GL_LIGHTING);
gl.glEnable(GL2.GL_LIGHT0);
gl.glDepthFunc(GL.GL_LESS);
gl.glEnable(GL.GL_DEPTH_TEST);
}
/*
* display() draws 5 teapots at different z positions.
*/
public void display(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
//
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
//
if (fogMode == GL2.GL_EXP2) {
gl.glFogf(GL2.GL_FOG_START, 1.0f);
gl.glFogf(GL2.GL_FOG_END, 5.0f);
}
gl.glFogi(GL2.GL_FOG_MODE, fogMode);
renderRedTeapot(gl, -4.0f, -0.5f, -1.0f);
renderRedTeapot(gl, -2.0f, -0.5f, -2.0f);
renderRedTeapot(gl, 0.0f, -0.5f, -3.0f);
renderRedTeapot(gl, 2.0f, -0.5f, -4.0f);
renderRedTeapot(gl, 4.0f, -0.5f, -5.0f);
gl.glFlush();
}
private void renderRedTeapot(GL2 gl, float x, float y, float z) {
float mat[] = new float[4];
gl.glPushMatrix();
gl.glTranslatef(x, y, z);
mat[0] = 0.1745f;
mat[1] = 0.01175f;
mat[2] = 0.01175f;
mat[3] = 1.0f;
gl.glMaterialfv(GL.GL_FRONT, GL2.GL_SPECULAR, mat, 0);
mat[0] = 0.61424f;
mat[1] = 0.04136f;
mat[2] = 0.04136f;
gl.glMaterialfv(GL.GL_FRONT, GL2.GL_DIFFUSE, mat, 0);
mat[0] = 0.727811f;
mat[1] = 0.626959f;
mat[2] = 0.626959f;
gl.glMaterialfv(GL.GL_FRONT, GL2.GL_SPECULAR, mat, 0);
gl.glMaterialf(GL.GL_FRONT, GL2.GL_SHININESS, 0.6f * 128.0f);
glut.glutSolidTeapot(1.0);
gl.glPopMatrix();
}
@Override
public void display(GLAutoDrawable gLDrawable) {
final GL2 gl = gLDrawable.getGL().getGL2();
gl.glClear(GL.GL_COLOR_BUFFER_BIT);
gl.glClear(GL.GL_DEPTH_BUFFER_BIT);
gl.glLoadIdentity();
gl.glTranslatef(0.0f, 0.0f, -5.0f);
// rotate about the three axes
gl.glRotatef(rotateT, 1.0f, 0.0f, 0.0f);
gl.glRotatef(rotateT, 0.0f, 1.0f, 0.0f);
gl.glRotatef(rotateT, 0.0f, 0.0f, 1.0f);
// Draw A Quad
gl.glBegin(GL2.GL_QUADS);
gl.glColor3f(0.0f, 1.0f, 1.0f); // set the color of the quad
gl.glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left
gl.glVertex3f(1.0f, 1.0f, 0.0f); // Top Right
gl.glVertex3f(1.0f, -1.0f, 0.0f); // Bottom Right
gl.glVertex3f(-1.0f, -1.0f, 0.0f); // Bottom Left
// Done Drawing The Quad
gl.glEnd();
// increasing rotation for the next iteration
rotateT += 0.2f;
}
public void display(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
//
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
gl.glPushMatrix();
gl.glRotatef(20.0f, 1.0f, 0.0f, 0.0f);
gl.glPushMatrix();
gl.glTranslatef(-0.75f, 0.5f, 0.0f);
gl.glRotatef(90.0f, 1.0f, 0.0f, 0.0f);
glut.glutSolidTorus(0.275f, 0.85f, 20, 20);
gl.glPopMatrix();
gl.glPushMatrix();
gl.glTranslatef(-0.75f, -0.5f, 0.0f);
gl.glRotatef(270.0f, 1.0f, 0.0f, 0.0f);
glut.glutSolidCone(1.0f, 2.0f, 20, 20);
gl.glPopMatrix();
gl.glPushMatrix();
gl.glTranslatef(0.75f, 0.0f, -1.0f);
glut.glutSolidSphere(1.0f, 20, 20);
gl.glPopMatrix();
gl.glPopMatrix();
gl.glFlush();
}
/*
* Initialize z-buffer, projection matrix, light source, and lighting model.
* Do not specify a material property here.
*/
public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
glut = new GLUT();
//
float position[] = {0.0f, 3.0f, 3.0f, 0.0f};
float local_view[] = {0.0f};
gl.glEnable(GL.GL_DEPTH_TEST);
gl.glDepthFunc(GL.GL_LESS);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION, position, 0);
gl.glLightModelfv(GL2.GL_LIGHT_MODEL_LOCAL_VIEWER, local_view, 0);
gl.glFrontFace(GL.GL_CW);
gl.glEnable(GL2.GL_LIGHTING);
gl.glEnable(GL2.GL_LIGHT0);
gl.glEnable(GL2.GL_AUTO_NORMAL);
gl.glEnable(GL2.GL_NORMALIZE);
gl.glEnable(GL2.GL_FOG);
{
float fogColor[] = {0.5f, 0.5f, 0.5f, 1.0f};
fogMode = GL2.GL_EXP;
gl.glFogi(GL2.GL_FOG_MODE, fogMode);
gl.glFogfv(GL2.GL_FOG_COLOR, fogColor, 0);
gl.glFogf(GL2.GL_FOG_DENSITY, 0.35f);
gl.glHint(GL2.GL_FOG_HINT, GL.GL_DONT_CARE);
gl.glClearColor(0.5f, 0.5f, 0.5f, 1.0f);
}
}
