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 * DrawableObject is the base object interface for objects that can be rendered to the screen. 21 * Note that objects derived from DrawableObject are passed between threads, and that care must be 22 * taken when modifying drawable parameters to avoid side-effects (for example, the DrawableFactory 23 * class can be used to generate fire-and-forget drawables). 24 */ 25 public abstract class DrawableObject extends AllocationGuard { 26 private float mPriority; 27 private ObjectPool mParentPool; 28 draw(float x, float y, float scaleX, float scaleY)29 public abstract void draw(float x, float y, float scaleX, float scaleY); 30 DrawableObject()31 public DrawableObject() { 32 super(); 33 } 34 setPriority(float f)35 public void setPriority(float f) { 36 mPriority = f; 37 } 38 getPriority()39 public float getPriority() { 40 return mPriority; 41 } 42 setParentPool(ObjectPool pool)43 public void setParentPool(ObjectPool pool) { 44 mParentPool = pool; 45 } 46 getParentPool()47 public ObjectPool getParentPool() { 48 return mParentPool; 49 } 50 51 // Override to allow drawables to be sorted by texture. getTexture()52 public Texture getTexture() { 53 return null; 54 } 55 56 // Function to allow drawables to specify culling rules. visibleAtPosition(Vector2 position)57 public boolean visibleAtPosition(Vector2 position) { 58 return true; 59 } 60 61 } 62