1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.replica.replicaisland; 18 19 /** 20 * A game component implements a single feature of a game object. Components are run once per frame 21 * when their parent object is active. Updating a game object is equivalent to updating all of its 22 * components. Note that a game object may contain more than one instance of the same type of 23 * component. 24 */ 25 public abstract class GameComponent extends PhasedObject { 26 // Defines high-level buckets within which components may choose to run. 27 public enum ComponentPhases { 28 THINK, // decisions are made 29 PHYSICS, // impulse velocities are summed 30 POST_PHYSICS, // inertia, friction, and bounce 31 MOVEMENT, // position is updated 32 COLLISION_DETECTION, // intersections are detected 33 COLLISION_RESPONSE, // intersections are resolved 34 POST_COLLISION, // position is now final for the frame 35 ANIMATION, // animations are selected 36 PRE_DRAW, // drawing state is initialized 37 DRAW, // drawing commands are scheduled. 38 FRAME_END, // final cleanup before the next update 39 } 40 41 public boolean shared; 42 43 public GameComponent() { 44 super(); 45 shared = false; 46 } 47 48 } 49
