From 6d1e54d8816b36f8391fc4320b1dbb24aed4d3d5 Mon Sep 17 00:00:00 2001
From: GammelJAN <jan.ehehalt@gmail.com>
Date: Fri, 18 Dec 2020 23:09:43 +0100
Subject: [PATCH] viewport demo

---
 core/src/com/trs/main/Main.java               | 52 ++++++++++++++++---
 core/src/com/trs/main/Player.java             | 19 +++++--
 .../com/trs/main/desktop/DesktopLauncher.java |  3 ++
 3 files changed, 64 insertions(+), 10 deletions(-)

diff --git a/core/src/com/trs/main/Main.java b/core/src/com/trs/main/Main.java
index 6809c0a..2def914 100644
--- a/core/src/com/trs/main/Main.java
+++ b/core/src/com/trs/main/Main.java
@@ -3,27 +3,65 @@ package com.trs.main;
 import com.badlogic.gdx.ApplicationAdapter;
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.InputProcessor;
+import com.badlogic.gdx.graphics.Camera;
+import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.GL20;
+import com.badlogic.gdx.graphics.OrthographicCamera;
+import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
+import com.badlogic.gdx.math.Rectangle;
+import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.math.Vector3;
 import com.badlogic.gdx.scenes.scene2d.Stage;
+import com.badlogic.gdx.utils.Scaling;
+import com.badlogic.gdx.utils.viewport.FitViewport;
+import com.badlogic.gdx.utils.viewport.ScalingViewport;
 import com.badlogic.gdx.utils.viewport.ScreenViewport;
 
 public class Main extends ApplicationAdapter implements InputProcessor{
 	
+        OrthographicCamera camera;
         Stage stage;
+        Rectangle viewportCheck;
+        ShapeRenderer renderer;
+        
     
 	@Override
 	public void create () {
-		stage = new Stage(new ScreenViewport());
-                Player p = new Player();
-                stage.addActor(p);
-                stage.setKeyboardFocus(p);
-                Gdx.input.setInputProcessor(stage);
-	}
+            renderer = new ShapeRenderer();
+            viewportCheck = new Rectangle(0, 0, 800f, 800f);
+            camera = new OrthographicCamera();
+            camera.setToOrtho(false, 800f, 800f);
+            camera.update();
+            stage = new Stage(new FitViewport(800f,800f, camera));
+            Player p = new Player();
+            stage.addActor(p);
+            stage.setKeyboardFocus(p);
+            renderer.setProjectionMatrix(camera.combined);
+            Gdx.input.setInputProcessor(stage);
+        }
+
+    @Override
+    public void resize(int width, int height) {
+        stage.getViewport().update(width, height, false);
+        super.resize(width, height); //To change body of generated methods, choose Tools | Templates.
+    }
+    
+        
 
 	@Override
 	public void render () {
-		Gdx.gl.glClearColor(1, 0, 0, 1);
+		Gdx.gl.glClearColor(1f, (20f/255f), (147f/255f), 1);
 		Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
+                resize(Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
+                renderer.begin(ShapeRenderer.ShapeType.Filled);
+                renderer.setColor(Color.WHITE);
+                renderer.rect(viewportCheck.getX(), viewportCheck.getY(), viewportCheck.getWidth(), viewportCheck.getHeight());
+                renderer.setColor(Color.BLACK);
+                Vector2 mouseRel = stage.getViewport().unproject(new Vector2(Gdx.input.getX(), Gdx.input.getY()));
+                renderer.circle(mouseRel.x,mouseRel.y, 20);
+                renderer.end();
+                
+                
                 stage.act(Gdx.graphics.getDeltaTime());
 		stage.draw();
 	}
diff --git a/core/src/com/trs/main/Player.java b/core/src/com/trs/main/Player.java
index 5332e38..69dffa3 100644
--- a/core/src/com/trs/main/Player.java
+++ b/core/src/com/trs/main/Player.java
@@ -10,6 +10,7 @@ import com.badlogic.gdx.Input;
 import com.badlogic.gdx.graphics.Texture;
 import com.badlogic.gdx.graphics.g2d.Batch;
 import com.badlogic.gdx.graphics.g2d.Sprite;
+import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
 import com.badlogic.gdx.math.Rectangle;
 import com.badlogic.gdx.scenes.scene2d.Actor;
 /**
@@ -19,17 +20,23 @@ import com.badlogic.gdx.scenes.scene2d.Actor;
  */
 public class Player extends Actor{
     
+    //Rectangle r;
+    //ShapeRenderer renderer;
     Texture t;
     
     Player(){
+        //renderer = new ShapeRenderer();
+        //r = new Rectangle(0,0,800,800);
+        //setBounds(r.getX(), r.getY(), r.getWidth(), r.getHeight());
         t = new Texture(Gdx.files.internal("badlogic.jpg"));
-        setBounds(50, 50, t.getWidth(), t.getHeight());
+        setBounds(0, 0, t.getWidth(), t.getHeight());
     }
 
     @Override
     protected void positionChanged() {
-        setX(getX());
-        setY(getY());
+        //r.setX(getX());
+        //r.setY(getY());
+        
         super.positionChanged(); //To change body of generated methods, choose Tools | Templates.
     }
     
@@ -54,6 +61,12 @@ public class Player extends Actor{
 
     @Override
     public void draw(Batch batch, float parentAlpha) {
+        //batch.end();
+        //renderer.setProjectionMatrix(batch.getProjectionMatrix());
+        //renderer.begin(ShapeRenderer.ShapeType.Filled);
+        //renderer.rect(getX(), getY(), getWidth(), getHeight());
+        //renderer.end();
+        //batch.begin();
         batch.draw(t, getX(), getY());
         super.draw(batch, parentAlpha); //To change body of generated methods, choose Tools | Templates.
     }
diff --git a/desktop/src/com/trs/main/desktop/DesktopLauncher.java b/desktop/src/com/trs/main/desktop/DesktopLauncher.java
index 52f953a..24a9b0a 100644
--- a/desktop/src/com/trs/main/desktop/DesktopLauncher.java
+++ b/desktop/src/com/trs/main/desktop/DesktopLauncher.java
@@ -7,6 +7,9 @@ import com.trs.main.Main;
 public class DesktopLauncher {
 	public static void main (String[] arg) {
 		LwjglApplicationConfiguration config = new LwjglApplicationConfiguration();
+                //config.width=800;
+                //config.height=800;
+                config.resizable = true;
 		new LwjglApplication(new Main(), config);
 	}
 }