private void setFog() {
gl.glEnable(GL2.GL_FOG);
gl.glFogf(GL2.GL_FOG_START, 5.0f);
gl.glFogf(GL2.GL_FOG_END, 50.0f);
gl.glFogfv(GL2.GL_FOG_COLOR, new float[] {0.8f, 0.8f, 0.9f, 1.0f}, 0);
gl.glFogi(GL2.GL_FOG_MODE, GL.GL_LINEAR);
}
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();
}
@Override
public void doRender(DrawContext dc) {
Position eyePos = dc.getView().getEyePosition();
if (eyePos == null) return;
// View altitude
float alt = (float) eyePos.getElevation();
alt = alt < 100 ? 100 : alt; // Clamp altitudes below 100m
// Start based on view altitude
float start = alt * this.nearFactor;
// End based on distance to horizon
float end = (float) (dc.getView().getHorizonDistance() * this.farFactor);
// Set GL fog
GL2 gl = dc.getGL().getGL2();
gl.glFogfv(GL2.GL_FOG_COLOR, fogColor, 0); // Set fog color
gl.glFogi(GL2.GL_FOG_MODE, GL2.GL_LINEAR); // Set fog mode
gl.glFogf(GL2.GL_FOG_START, start); // Set fog start distance
gl.glFogf(GL2.GL_FOG_END, end); // Set fog end distance
gl.glHint(GL2.GL_FOG_HINT, GL2.GL_DONT_CARE); // Set fog hint
gl.glEnable(GL2.GL_FOG); // Enable fog
}
/*
* 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 */
}
