/**
* 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);
}
}
}