/** Render water reflection RTT */
private void renderReflection(final Vector4 clipPlane) {
if (renderList.isEmpty()) {
return;
}
reflectionTime += tpf;
if (reflectionTime < reflectionThrottle) {
return;
}
reflectionTime = 0;
if (aboveWater) {
camLocation.set(cam.getLocation());
double planeDistance = waterPlane.pseudoDistance(camLocation);
calcVect.set(waterPlane.getNormal()).multiplyLocal(planeDistance * 2.0f);
camReflectPos.set(camLocation.subtractLocal(calcVect));
camLocation.set(cam.getLocation()).addLocal(cam.getDirection());
planeDistance = waterPlane.pseudoDistance(camLocation);
calcVect.set(waterPlane.getNormal()).multiplyLocal(planeDistance * 2.0f);
camReflectDir
.set(camLocation.subtractLocal(calcVect))
.subtractLocal(camReflectPos)
.normalizeLocal();
camLocation.set(cam.getLocation()).addLocal(cam.getUp());
planeDistance = waterPlane.pseudoDistance(camLocation);
calcVect.set(waterPlane.getNormal()).multiplyLocal(planeDistance * 2.0f);
camReflectUp
.set(camLocation.subtractLocal(calcVect))
.subtractLocal(camReflectPos)
.normalizeLocal();
camReflectLeft.set(camReflectUp).crossLocal(camReflectDir).normalizeLocal();
tRenderer.getCamera().setLocation(camReflectPos);
tRenderer.getCamera().setDirection(camReflectDir);
tRenderer.getCamera().setUp(camReflectUp);
tRenderer.getCamera().setLeft(camReflectLeft);
} else {
tRenderer.getCamera().setLocation(cam.getLocation());
tRenderer.getCamera().setDirection(cam.getDirection());
tRenderer.getCamera().setUp(cam.getUp());
tRenderer.getCamera().setLeft(cam.getLeft());
}
if (skyBox != null) {
tmpLocation.set(skyBox.getTranslation());
skyBox.setTranslation(tRenderer.getCamera().getLocation());
skyBox.updateGeometricState(0.0f);
skyBox.getSceneHints().setCullHint(CullHint.Never);
}
texArray.clear();
if (doBlurReflection) {
texArray.add(textureReflect);
} else {
texArray.add(textureReflectBlur);
}
tRenderer.getCamera().setProjectionMode(ProjectionMode.Custom);
tRenderer.getCamera().setProjectionMatrix(cam.getProjectionMatrix());
tRenderer.render(skyBox, texArray, Renderer.BUFFER_COLOR_AND_DEPTH);
if (skyBox != null) {
skyBox.getSceneHints().setCullHint(CullHint.Always);
}
modifyProjectionMatrix(clipPlane);
tRenderer.render(renderList, texArray, Renderer.BUFFER_NONE);
if (doBlurReflection) {
blurReflectionTexture();
}
if (skyBox != null) {
skyBox.setTranslation(tmpLocation);
skyBox.updateGeometricState(0.0f);
skyBox.getSceneHints().setCullHint(CullHint.Never);
}
}
