/** Render water refraction RTT */
private void renderRefraction(final Vector4 clipPlane) {
if (renderList.isEmpty()) {
return;
}
refractionTime += tpf;
if (refractionTime < refractionThrottle) {
return;
}
refractionTime = 0;
// tRenderer.getCamera().set(cam);
tRenderer.getCamera().setLocation(cam.getLocation());
tRenderer.getCamera().setDirection(cam.getDirection());
tRenderer.getCamera().setUp(cam.getUp());
tRenderer.getCamera().setLeft(cam.getLeft());
CullHint cullMode = CullHint.Dynamic;
if (skyBox != null) {
cullMode = skyBox.getSceneHints().getCullHint();
skyBox.getSceneHints().setCullHint(CullHint.Always);
}
tRenderer.getCamera().setProjectionMatrix(cam.getProjectionMatrix());
texArray.clear();
texArray.add(textureRefract);
texArray.add(textureDepth);
tRenderer.getCamera().update();
tRenderer.getCamera().getModelViewMatrix();
tRenderer.getCamera().getProjectionMatrix();
tRenderer.render(renderList, texArray, Renderer.BUFFER_COLOR_AND_DEPTH);
if (skyBox != null) {
skyBox.getSceneHints().setCullHint(cullMode);
}
}
/**
* Update the vertices for this particle, taking size, spin and viewer into consideration. In the
* case of particle type ParticleType.GeomMesh, the original triangle normal is maintained rather
* than rotating it to face the camera or parent vectors.
*
* @param cam Camera to use in determining viewer aspect. If null, or if parent is not set to
* camera facing, parent's left and up vectors are used.
*/
public void updateVerts(final Camera cam) {
final double orient = parent.getParticleOrientation() + values[VAL_CURRENT_SPIN];
final double currSize = values[VAL_CURRENT_SIZE];
if (type == ParticleSystem.ParticleType.GeomMesh
|| type == ParticleSystem.ParticleType.Point) {; // nothing to do
} else if (cam != null && parent.isCameraFacing()) {
final ReadOnlyVector3 camUp = cam.getUp();
final ReadOnlyVector3 camLeft = cam.getLeft();
final ReadOnlyVector3 camDir = cam.getDirection();
if (parent.isVelocityAligned()) {
bbX.set(_velocity).normalizeLocal().multiplyLocal(currSize);
camDir.cross(bbX, bbY).normalizeLocal().multiplyLocal(currSize);
} else if (orient == 0) {
bbX.set(camLeft).multiplyLocal(currSize);
bbY.set(camUp).multiplyLocal(currSize);
} else {
final double cA = MathUtils.cos(orient) * currSize;
final double sA = MathUtils.sin(orient) * currSize;
bbX.set(camLeft)
.multiplyLocal(cA)
.addLocal(camUp.getX() * sA, camUp.getY() * sA, camUp.getZ() * sA);
bbY.set(camLeft)
.multiplyLocal(-sA)
.addLocal(camUp.getX() * cA, camUp.getY() * cA, camUp.getZ() * cA);
}
} else {
bbX.set(parent.getLeftVector()).multiplyLocal(0);
bbY.set(parent.getUpVector()).multiplyLocal(0);
}
final Vector3 tempVec3 = Vector3.fetchTempInstance();
final FloatBuffer vertexBuffer = parent.getParticleGeometry().getMeshData().getVertexBuffer();
switch (type) {
case Quad:
{
_position.subtract(bbX, tempVec3).subtractLocal(bbY);
BufferUtils.setInBuffer(tempVec3, vertexBuffer, startIndex + 0);
_position.subtract(bbX, tempVec3).addLocal(bbY);
BufferUtils.setInBuffer(tempVec3, vertexBuffer, startIndex + 1);
_position.add(bbX, tempVec3).addLocal(bbY);
BufferUtils.setInBuffer(tempVec3, vertexBuffer, startIndex + 2);
_position.add(bbX, tempVec3).subtractLocal(bbY);
BufferUtils.setInBuffer(tempVec3, vertexBuffer, startIndex + 3);
break;
}
case GeomMesh:
{
final Quaternion tempQuat = Quaternion.fetchTempInstance();
final ReadOnlyVector3 norm = triModel.getNormal();
if (orient != 0) {
tempQuat.fromAngleNormalAxis(orient, norm);
}
for (int x = 0; x < 3; x++) {
if (orient != 0) {
tempQuat.apply(triModel.get(x), tempVec3);
} else {
tempVec3.set(triModel.get(x));
}
tempVec3.multiplyLocal(currSize).addLocal(_position);
BufferUtils.setInBuffer(tempVec3, vertexBuffer, startIndex + x);
}
Quaternion.releaseTempInstance(tempQuat);
break;
}
case Triangle:
{
_position
.subtract(3 * bbX.getX(), 3 * bbX.getY(), 3 * bbX.getZ(), tempVec3)
.subtractLocal(bbY);
BufferUtils.setInBuffer(tempVec3, vertexBuffer, startIndex + 0);
_position.add(bbX, tempVec3).addLocal(3 * bbY.getX(), 3 * bbY.getY(), 3 * bbY.getZ());
BufferUtils.setInBuffer(tempVec3, vertexBuffer, startIndex + 1);
_position.add(bbX, tempVec3).subtractLocal(bbY);
BufferUtils.setInBuffer(tempVec3, vertexBuffer, startIndex + 2);
break;
}
case Line:
{
_position.subtract(bbX, tempVec3);
BufferUtils.setInBuffer(tempVec3, vertexBuffer, startIndex);
_position.add(bbX, tempVec3);
BufferUtils.setInBuffer(tempVec3, vertexBuffer, startIndex + 1);
break;
}
case Point:
{
BufferUtils.setInBuffer(_position, vertexBuffer, startIndex);
break;
}
}
Vector3.releaseTempInstance(tempVec3);
}
/** 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);
}
}
