/**
* Populates the outputGeometryList with the geometry of the inputGeomtryList that are in the
* frustum of the given camera
*
* @param inputGeometryList The list containing all geometry to check against the camera frustum
* @param camera the camera to check geometries against
* @param outputGeometryList the list of all geometries that are in the camera frustum
*/
public static void getGeometriesInCamFrustum(
GeometryList inputGeometryList, Camera camera, GeometryList outputGeometryList) {
for (int i = 0; i < inputGeometryList.size(); i++) {
Geometry g = inputGeometryList.get(i);
int planeState = camera.getPlaneState();
camera.setPlaneState(0);
if (camera.contains(g.getWorldBound()) != Camera.FrustumIntersect.Outside) {
outputGeometryList.add(g);
}
camera.setPlaneState(planeState);
}
}
/**
* Populates the outputGeometryList with the geometry of the inputGeomtryList that are in the
* radius of a light. The array of camera must be an array of 6 cameara initialized so they
* represent the light viewspace of a pointlight
*
* @param inputGeometryList The list containing all geometry to check against the camera frustum
* @param cameras the camera array to check geometries against
* @param outputGeometryList the list of all geometries that are in the camera frustum
*/
public static void getGeometriesInLightRadius(
GeometryList inputGeometryList, Camera[] cameras, GeometryList outputGeometryList) {
for (int i = 0; i < inputGeometryList.size(); i++) {
Geometry g = inputGeometryList.get(i);
boolean inFrustum = false;
for (int j = 0; j < cameras.length && inFrustum == false; j++) {
Camera camera = cameras[j];
int planeState = camera.getPlaneState();
camera.setPlaneState(0);
inFrustum = camera.contains(g.getWorldBound()) != Camera.FrustumIntersect.Outside;
camera.setPlaneState(planeState);
}
if (inFrustum) {
outputGeometryList.add(g);
}
}
}
public void generateRenderSet(
Geometry[] globalGeomList,
Set<Geometry> renderSet,
Camera cam,
BoundingBox parentBox,
boolean isRoot) {
tempBox.setCenter(parentBox.getCenter());
tempBox.setXExtent(parentBox.getXExtent());
tempBox.setYExtent(parentBox.getYExtent());
tempBox.setZExtent(parentBox.getZExtent());
if (!isRoot) {
findChildBound(tempBox, getSide());
}
tempBox.setCheckPlane(0);
cam.setPlaneState(0);
Camera.FrustumIntersect result = cam.contains(tempBox);
if (result != Camera.FrustumIntersect.Outside) {
if (length != 0) {
int start = getOffset();
int end = start + length;
for (int i = start; i < end; i++) {
renderSet.add(globalGeomList[i]);
}
}
if (child == null) return;
FastOctnode node = child;
float x = tempBox.getCenter().x;
float y = tempBox.getCenter().y;
float z = tempBox.getCenter().z;
float ext = tempBox.getXExtent();
while (node != null) {
if (result == Camera.FrustumIntersect.Inside) {
node.generateRenderSetNoCheck(globalGeomList, renderSet, cam);
} else {
node.generateRenderSet(globalGeomList, renderSet, cam, tempBox, false);
}
tempBox.getCenter().set(x, y, z);
tempBox.setXExtent(ext);
tempBox.setYExtent(ext);
tempBox.setZExtent(ext);
node = node.next;
}
}
}
