1 /******************************************************************************* 2 * Copyright 2011 See AUTHORS file. 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.badlogic.gdx.tests; 18 19 import java.util.Random; 20 21 import com.badlogic.gdx.Gdx; 22 import com.badlogic.gdx.graphics.GL20; 23 import com.badlogic.gdx.graphics.OrthographicCamera; 24 import com.badlogic.gdx.graphics.Texture; 25 import com.badlogic.gdx.graphics.g2d.SpriteCache; 26 import com.badlogic.gdx.tests.utils.GdxTest; 27 import com.badlogic.gdx.tests.utils.OrthoCamController; 28 import com.badlogic.gdx.utils.TimeUtils; 29 30 public class TileTest extends GdxTest { 31 static final int LAYERS = 5; 32 static final int BLOCK_TILES = 25; 33 static final int WIDTH = 15; 34 static final int HEIGHT = 10; 35 static final int TILES_PER_LAYER = WIDTH * HEIGHT; 36 37 SpriteCache[] caches = new SpriteCache[LAYERS]; 38 Texture texture; 39 int[] layers = new int[LAYERS]; 40 OrthographicCamera cam; 41 OrthoCamController camController; 42 long startTime = TimeUtils.nanoTime(); 43 44 @Override create()45 public void create () { 46 cam = new OrthographicCamera(480, 320); 47 cam.position.set(WIDTH * 32 / 2, HEIGHT * 32 / 2, 0); 48 camController = new OrthoCamController(cam); 49 Gdx.input.setInputProcessor(camController); 50 51 texture = new Texture(Gdx.files.internal("data/tiles.png")); 52 53 Random rand = new Random(); 54 for (int i = 0; i < LAYERS; i++) { 55 caches[i] = new SpriteCache(); 56 SpriteCache cache = caches[i]; 57 cache.beginCache(); 58 for (int y = 0; y < HEIGHT; y++) { 59 for (int x = 0; x < WIDTH; x++) { 60 int tileX = rand.nextInt(5); 61 int tileY = rand.nextInt(5); 62 cache.add(texture, x << 5, y << 5, 1 + tileX * 33, 1 + tileY * 33, 32, 32); 63 } 64 } 65 layers[i] = cache.endCache(); 66 } 67 68 } 69 70 @Override render()71 public void render () { 72 Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); 73 cam.update(); 74 75 Gdx.gl.glEnable(GL20.GL_BLEND); 76 Gdx.gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA); 77 for (int i = 0; i < LAYERS; i++) { 78 SpriteCache cache = caches[i]; 79 cache.setProjectionMatrix(cam.combined); 80 cache.begin(); 81 for (int j = 0; j < TILES_PER_LAYER; j += BLOCK_TILES) { 82 cache.draw(layers[i], j, BLOCK_TILES); 83 } 84 cache.end(); 85 } 86 87 if (TimeUtils.nanoTime() - startTime >= 1000000000) { 88 Gdx.app.log("TileTest", "fps: " + Gdx.graphics.getFramesPerSecond()); 89 startTime = TimeUtils.nanoTime(); 90 } 91 } 92 } 93