/* * 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); } }
/* * Initialize fog */ public void init(GLAutoDrawable drawable) { GL2 gl = drawable.getGL().getGL2(); glu = new GLU(); // float fogColor[] = {0.0f, 0.25f, 0.25f, 1.0f}; f1 = 1.0f; f2 = 5.0f; f3 = 10.0f; gl.glEnable(GL2.GL_FOG); gl.glFogi(GL2.GL_FOG_MODE, GL2.GL_EXP); gl.glFogfv(GL2.GL_FOG_COLOR, fogColor, 0); gl.glFogf(GL2.GL_FOG_DENSITY, 0.25f); gl.glHint(GL2.GL_FOG_HINT, GL.GL_DONT_CARE); gl.glFogi(GL2.GL_FOG_COORDINATE_SOURCE, GL2.GL_FOG_COORDINATE); gl.glClearColor(0.0f, 0.25f, 0.25f, 1.0f); /* fog color */ }
/* * display() draws a triangle at an angle. */ public void display(GLAutoDrawable drawable) { GL2 gl = drawable.getGL().getGL2(); // gl.glClear(GL.GL_COLOR_BUFFER_BIT); if (key != null) switch (key.getKeyChar()) { case 'c': gl.glFogi(GL2.GL_FOG_COORDINATE_SOURCE, GL2.GL_FRAGMENT_DEPTH); break; case 'C': gl.glFogi(GL2.GL_FOG_COORDINATE_SOURCE, GL2.GL_FOG_COORDINATE); break; case 'b': gl.glMatrixMode(GL2.GL_MODELVIEW); gl.glTranslatef(0.0f, 0.0f, -0.25f); break; case 'f': gl.glMatrixMode(GL2.GL_MODELVIEW); gl.glTranslatef(0.0f, 0.0f, 0.25f); break; default: break; } gl.glColor3f(1.0f, 0.75f, 0.0f); gl.glBegin(GL2.GL_TRIANGLES); gl.glFogCoordf(f1); gl.glVertex3f(2.0f, -2.0f, 0.0f); gl.glFogCoordf(f2); gl.glVertex3f(-2.0f, 0.0f, -5.0f); gl.glFogCoordf(f3); gl.glVertex3f(0.0f, 2.0f, -10.0f); gl.glEnd(); gl.glFlush(); }
public void configureGL(GL2 gl) { gl.glEnable(GL2.GL_FOG); gl.glFogi(GL2.GL_FOG_MODE, GL2.GL_LINEAR); gl.glFogf(GL2.GL_FOG_DENSITY, 0.25f); gl.glFogf(GL2.GL_FOG_START, Math.max(getNearClippingPlane(), fadeOut * 1.0f)); gl.glFogf(GL2.GL_FOG_END, Math.max(1.1f, fadeOut * 1.1f * getSpawnDistance())); gl.glMatrixMode(GL2.GL_PROJECTION); gl.glLoadIdentity(); gl.glFrustumf(-1, 1, -man.vheight(), man.vheight(), getNearClippingPlane(), 128.0f); gl.glScalef(2.0f, 2.0f, 1); gl.glTranslatef(-0.5f, -man.vheight() / 2.0f, 0); gl.glMatrixMode(GL2.GL_MODELVIEW); gl.glLoadIdentity(); }
/* * 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(); }