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.graphics.glutils.ShapeRenderer; 27 import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType; 28 import com.badlogic.gdx.tests.utils.GdxTest; 29 import com.badlogic.gdx.tests.utils.OrthoCamController; 30 import com.badlogic.gdx.utils.TimeUtils; 31 32 public class IsometricTileTest extends GdxTest { 33 static final int LAYERS = 1; 34 static final int WIDTH = 4; 35 static final int HEIGHT = 5; 36 static final int TILES_PER_LAYER = WIDTH * HEIGHT; 37 static final int TILE_WIDTH = 54; 38 static final int TILE_HEIGHT = 54; 39 static final int TILE_HEIGHT_DIAMOND = 28; 40 static final int BOUND_X = HEIGHT * TILE_WIDTH / 2 + WIDTH * TILE_WIDTH / 2; 41 static final int BOUND_Y = HEIGHT * TILE_HEIGHT_DIAMOND / 2 + WIDTH * TILE_HEIGHT_DIAMOND / 2; 42 43 Texture texture; 44 SpriteCache[] caches = new SpriteCache[LAYERS]; 45 int[] layers = new int[LAYERS]; 46 OrthographicCamera cam; 47 OrthoCamController camController; 48 ShapeRenderer renderer; 49 long startTime = TimeUtils.nanoTime(); 50 51 @Override create()52 public void create () { 53 cam = new OrthographicCamera(480, 320); 54 camController = new OrthoCamController(cam); 55 Gdx.input.setInputProcessor(camController); 56 57 renderer = new ShapeRenderer(); 58 texture = new Texture(Gdx.files.internal("data/isotile.png")); 59 60 Random rand = new Random(); 61 for (int i = 0; i < LAYERS; i++) { 62 caches[i] = new SpriteCache(); 63 SpriteCache cache = caches[i]; 64 cache.beginCache(); 65 66 int colX = HEIGHT * TILE_WIDTH / 2 - TILE_WIDTH / 2; 67 int colY = BOUND_Y - TILE_HEIGHT_DIAMOND; 68 for (int x = 0; x < WIDTH; x++) { 69 for (int y = 0; y < HEIGHT; y++) { 70 int tileX = colX - y * TILE_WIDTH / 2; 71 int tileY = colY - y * TILE_HEIGHT_DIAMOND / 2; 72 cache.add(texture, tileX, tileY, rand.nextInt(2) * 54, 0, TILE_WIDTH, TILE_HEIGHT); 73 } 74 colX += TILE_WIDTH / 2; 75 colY -= TILE_HEIGHT_DIAMOND / 2; 76 } 77 78 layers[i] = cache.endCache(); 79 } 80 } 81 82 @Override dispose()83 public void dispose () { 84 renderer.dispose(); 85 texture.dispose(); 86 for (SpriteCache cache : caches) 87 cache.dispose(); 88 } 89 90 @Override render()91 public void render () { 92 Gdx.gl.glClearColor(0.7f, 0.7f, 0.7f, 1); 93 Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); 94 cam.update(); 95 96 Gdx.gl.glEnable(GL20.GL_BLEND); 97 Gdx.gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA); 98 for (int i = 0; i < LAYERS; i++) { 99 SpriteCache cache = caches[i]; 100 cache.setProjectionMatrix(cam.combined); 101 cache.begin(); 102 cache.draw(layers[i]); 103 cache.end(); 104 } 105 106 renderer.setProjectionMatrix(cam.combined); 107 renderer.begin(ShapeType.Line); 108 renderer.setColor(1, 0, 0, 1); 109 renderer.line(0, 0, 500, 0); 110 renderer.line(0, 0, 0, 500); 111 112 renderer.setColor(0, 0, 1, 1); 113 renderer.line(0, BOUND_Y, BOUND_X, BOUND_Y); 114 115 renderer.setColor(0, 0, 1, 1); 116 renderer.line(BOUND_X, 0, BOUND_X, BOUND_Y); 117 118 renderer.end(); 119 } 120 } 121
