/******************************************************************************* * Copyright 2011 See AUTHORS file. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. ******************************************************************************/ package com.badlogic.gdx.tests.g3d.shadows.utils; import com.badlogic.gdx.graphics.Camera; import com.badlogic.gdx.graphics.g3d.environment.DirectionalLight; /** Directional Analyzer computes the camera's properties needed by directional light. Implementation should use main camera * frustum and scene objects to encompass all casting shadow objects. * @author realitix */ public interface DirectionalAnalyzer { /** Compute the camera dimension based on directional light. Camera should be an orthographic camera. * @param light Current directional light * @param out Updated camera * @param mainCamera Main Scene camera * @return Camera Camera out for chaining */ public Camera analyze (DirectionalLight light, Camera out, Camera mainCamera); }