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JuanCarlosCardonaJuanCarlosCardona
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‎.gitignore

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## Java
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*.class
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*.war
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*.ear
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hs_err_pid*
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## Robovm
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/ios/robovm-build/
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## GWT
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/html/war/
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/html/gwt-unitCache/
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.apt_generated/
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.gwt/
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gwt-unitCache/
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www-test/
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.gwt-tmp/
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## Android Studio and Intellij and Android in general
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/android/libs/armeabi/
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/android/libs/armeabi-v7a/
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/android/libs/arm64-v8a/
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/android/libs/x86/
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/android/libs/x86_64/
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/android/gen/
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.idea/
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*.ipr
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*.iws
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*.iml
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/android/out/
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com_crashlytics_export_strings.xml
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## Eclipse
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.classpath
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.project
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.metadata/
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/android/bin/
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/core/bin/
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/desktop/bin/
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/html/bin/
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/ios/bin/
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*.tmp
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*.bak
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*.swp
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*~.nib
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.settings/
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.loadpath
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.externalToolBuilders/
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*.launch
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## NetBeans
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/nbproject/private/
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/android/nbproject/private/
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/core/nbproject/private/
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/desktop/nbproject/private/
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/html/nbproject/private/
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/ios/nbproject/private/
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/build/
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/android/build/
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/core/build/
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/desktop/build/
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/html/build/
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/ios/build/
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/nbbuild/
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/android/nbbuild/
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/core/nbbuild/
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/desktop/nbbuild/
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/html/nbbuild/
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/ios/nbbuild/
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/dist/
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/android/dist/
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/core/dist/
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/desktop/dist/
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/html/dist/
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/ios/dist/
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/nbdist/
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/android/nbdist/
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/core/nbdist/
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/desktop/nbdist/
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/html/nbdist/
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/ios/nbdist/
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nbactions.xml
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nb-configuration.xml
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## Gradle
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/local.properties
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.gradle/
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gradle-app.setting
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/build/
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/android/build/
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/core/build/
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/desktop/build/
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/html/build/
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/ios/build/
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## OS Specific
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.DS_Store
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Thumbs.db
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## iOS
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/ios/xcode/*.xcodeproj/*
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!/ios/xcode/*.xcodeproj/xcshareddata
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!/ios/xcode/*.xcodeproj/project.pbxproj
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/ios/xcode/native/
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/ios/IOSLauncher.app
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/ios/IOSLauncher.app.dSYM

‎build.gradle

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buildscript {
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repositories {
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mavenLocal()
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mavenCentral()
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gradlePluginPortal()
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maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
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google()
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}
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dependencies {
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}
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}
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allprojects {
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apply plugin: "eclipse"
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version = '1.0'
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ext {
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appName = "Dijkstra Algorithm Project"
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gdxVersion = '1.10.0'
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roboVMVersion = '2.3.12'
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box2DLightsVersion = '1.5'
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ashleyVersion = '1.7.3'
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aiVersion = '1.8.2'
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gdxControllersVersion = '2.1.0'
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}
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repositories {
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mavenLocal()
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mavenCentral()
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google()
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gradlePluginPortal()
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maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
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maven { url "https://oss.sonatype.org/content/repositories/releases/" }
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}
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}
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project(":core") {
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apply plugin: "java-library"
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dependencies {
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api "com.badlogicgames.gdx:gdx:$gdxVersion"
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api "com.badlogicgames.gdx:gdx-box2d:$gdxVersion"
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}
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}
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project(":desktop") {
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apply plugin: "java-library"
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dependencies {
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implementation project(":core")
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api "com.badlogicgames.gdx:gdx-backend-lwjgl:$gdxVersion"
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api "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop"
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api "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-desktop"
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}
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}

‎core/assets/badlogic.jpg

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‎core/build.gradle

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sourceCompatibility = 1.7
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[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
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sourceSets.main.java.srcDirs = [ "src/" ]
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eclipse.project.name = appName + "-core"

‎core/src/com/dijkstra/game/Dijkstra.java

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package com.dijkstra.game;
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import com.badlogic.gdx.ApplicationAdapter;
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import com.badlogic.gdx.Gdx;
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import com.badlogic.gdx.graphics.Color;
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import com.badlogic.gdx.graphics.OrthographicCamera;
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import com.badlogic.gdx.graphics.g2d.SpriteBatch;
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import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
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import com.badlogic.gdx.math.Vector2;
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import com.badlogic.gdx.math.Vector3;
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import com.badlogic.gdx.utils.ScreenUtils;
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public class Dijkstra extends ApplicationAdapter {
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public SpriteBatch batch;
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public OrthographicCamera camera;
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private ShapeRenderer shapeRenderer;
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private Spot[][] grid;
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private static final int ROWS = 25;
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private static final int WIDTH = 600;
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@Override
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public void create () {
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batch = new SpriteBatch();
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camera = new OrthographicCamera();
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camera.setToOrtho(false, 600, 600);
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shapeRenderer = new ShapeRenderer();
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makeGrid();
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}
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@Override
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public void render () {
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ScreenUtils.clear(255, 255, 255, 0);
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batch.begin();
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drawSpots();
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drawGrid();
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batch.end();
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if (Gdx.input.isTouched()) {
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Vector3 touchPos = new Vector3();
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touchPos.set(Gdx.input.getX(), Gdx.input.getY(), 0);
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camera.unproject(touchPos);
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Vector3 aux = getMousePosition(touchPos);
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int row = (int) aux.x;
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int col = (int) aux.y;
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System.out.println("row: " + row + " col: " + col);
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grid[row][col].setColor(Color.BLUE);
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}
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}
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@Override
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public void dispose () {
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batch.dispose();
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shapeRenderer.dispose();
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}
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private void makeGrid()
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{
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int gap = WIDTH / ROWS;
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Spot[][] aux = new Spot[ROWS][WIDTH];
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for(int i = 0; i < ROWS; i++)
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for (int j = 0; j < WIDTH; j++)
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aux[i][j] = new Spot(i, j, gap, ROWS);
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setGrid(aux);
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}
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private void drawGrid()
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{
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int gap = WIDTH / ROWS;
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for(int i = 0; i < ROWS; i++)
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{
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drawLine(shapeRenderer, new Vector2(0, i * gap), new Vector2(WIDTH, i * gap),1 ,Color.GRAY);
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for(int j = 0; j < ROWS; j++)
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{
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drawLine(shapeRenderer, new Vector2(j * gap, 0), new Vector2(j * gap, WIDTH), 1, Color.GRAY);
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}
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}
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}
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private void drawSpots()
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{
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for(int i = 0; i < ROWS; i++)
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for(int j = 0; j < WIDTH; j++)
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grid[i][j].drawSpot(shapeRenderer);
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}
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private static void drawLine(ShapeRenderer shapeRenderer,Vector2 start, Vector2 end, int lineWidth, Color color)
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{
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Gdx.gl.glLineWidth(lineWidth);
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shapeRenderer.begin(ShapeRenderer.ShapeType.Line);
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shapeRenderer.setColor(color);
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shapeRenderer.line(start, end);
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shapeRenderer.end();
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Gdx.gl.glLineWidth(1);
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}
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public Vector3 getMousePosition(Vector3 pos)
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{
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int gap = WIDTH / ROWS;
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int x = (int) pos.x;
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int y =(int) pos.y;
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int row = x / gap;
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int col = y / gap;
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pos.set(row, col, 0);
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return pos;
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}
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public void setGrid(Spot[][] grid) {
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this.grid = grid;
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}
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}

‎core/src/com/dijkstra/game/Spot.java

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package com.dijkstra.game;
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import com.badlogic.gdx.Game;
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import com.badlogic.gdx.Screen;
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import com.badlogic.gdx.graphics.Color;
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import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
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import com.badlogic.gdx.math.Vector2;
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public class Spot
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{
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private Vector2 pos;
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private Color color;
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private int spotWidth;
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private int totalRows;
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public Spot(int row, int col, int spotWidth, int totalRows)
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{
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this.setSpotWidth(spotWidth);
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this.setPos(new Vector2(row * spotWidth, col * spotWidth));
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this.setTotalRows(totalRows);
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this.setColor(Color.WHITE);
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}
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public void drawSpot(ShapeRenderer shapeRenderer)
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{
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shapeRenderer.begin(ShapeRenderer.ShapeType.Filled);
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shapeRenderer.setColor(this.getColor());
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shapeRenderer.rect(this.getPos().x, this.getPos().y, this.getSpotWidth(), this.getSpotWidth());
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shapeRenderer.end();
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}
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public Vector2 getPos() {
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return pos;
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}
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public void setPos(Vector2 pos) {
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this.pos = pos;
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}
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public Color getColor() {
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return color;
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}
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public void setColor(Color color) {
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this.color = color;
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}
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public int getSpotWidth() {
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return spotWidth;
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}
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public void setSpotWidth(int spotWidth) {
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this.spotWidth = spotWidth;
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}
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public int getTotalRows() {
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return totalRows;
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}
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public void setTotalRows(int totalRows) {
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this.totalRows = totalRows;
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}
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}

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