Java tutorial
/******************************************************************************* * 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.maps; import com.badlogic.gdx.graphics.OrthographicCamera; import com.badlogic.gdx.math.Matrix4; /** Models a common way of rendering {@link Map} objects */ public interface MapRenderer { /** Sets the projection matrix and viewbounds from the given camera. If the camera changes, you have to call this method again. * The viewbounds are taken from the camera's position and viewport size as well as the scale. This method will only work if * the camera's direction vector is (0,0,-1) and its up vector is (0, 1, 0), which are the defaults. * @param camera the {@link OrthographicCamera} */ public void setView(OrthographicCamera camera); /** Sets the projection matrix for rendering, as well as the bounds of the map which should be rendered. Make sure that the * frustum spanned by the projection matrix coincides with the viewbounds. * @param projectionMatrix * @param viewboundsX * @param viewboundsY * @param viewboundsWidth * @param viewboundsHeight */ public void setView(Matrix4 projectionMatrix, float viewboundsX, float viewboundsY, float viewboundsWidth, float viewboundsHeight); /** Renders all the layers of a map. */ public void render(); /** Renders the given layers of a map. * * @param layers the layers to render. */ public void render(int[] layers); }