background shader render progress, replacing shape renderers with texture (haven't created said textures yet)

android/assets/shaders/invert_vert.glsl

@@ -3,10 +3,10 @@ attribute vec4 a_color;
 attribute vec2 a_texCoord0;
 
 uniform mat4 u_projTrans;
+uniform vec2 mouse;
 
 varying vec4 vColor;
 varying vec2 vTexCoord;
-
 void main() {
 	vColor = a_color;
 	vTexCoord = a_texCoord0;

android/assets/shaders/star_frag.glsl

@@ -1,11 +1,10 @@
 #extension GL_OES_standard_derivatives : enable
 
-uniform float time;
+varying float vTime;
-uniform vec2 mouse;
+varying vec2 vResolution;
-uniform vec2 resolution;
 #define M_PI 3.1415926535897932384626433832795
 
-//#define time (time * time * 0.05)
+//#define vTime (vTime * vTime * 0.05)
 
 vec2 rand2(vec2 p)
 {
@@ -44,9 +43,9 @@ float stars(in vec2 x, float numCells, float size, float br)
 void main()
 {
 
-	float res  = max(resolution.y, resolution.y);
+	float res  = max(vResolution.y, vResolution.y);
 
-    vec2 coord = gl_FragCoord.xy / resolution;
+    vec2 coord = gl_FragCoord.xy / vResolution;
 
 	vec2 tmp = coord;
 
@@ -54,13 +53,13 @@ void main()
 	coord.y = tmp.x;
 
     vec3 result = vec3(0.);
-    result += stars(vec2(coord.x + time * 2.00,coord.y) , 1., 0.10, 2.)  * vec3(.74, .74, .74);
+    result += stars(vec2(coord.x + vTime * 2.00,coord.y) , 1., 0.10, 2.)  * vec3(.74, .74, .74);
-    result += stars(vec2(coord.x + time * 1.10,coord.y) , 1., 0.10, 2.)  * vec3(.74, .74, .74);
+    result += stars(vec2(coord.x + vTime * 1.10,coord.y) , 1., 0.10, 2.)  * vec3(.74, .74, .74);
-    result += stars(vec2(coord.x + time * 0.8,coord.y) , 1., 0.10, 2.)  * vec3(.74, .74, .74);
+    result += stars(vec2(coord.x + vTime * 0.8,coord.y) , 1., 0.10, 2.)  * vec3(.74, .74, .74);
-    result += stars(vec2(coord.x + time * 0.5,coord.y) , 2., 0.09, 2.) * vec3(.74, .74, .74);
+    result += stars(vec2(coord.x + vTime * 0.5,coord.y) , 2., 0.09, 2.) * vec3(.74, .74, .74);
-    result += stars(vec2(coord.x + time * 0.2,coord.y) , 4., 0.08, 2.) * vec3(.74, .74, .74);
+    result += stars(vec2(coord.x + vTime * 0.2,coord.y) , 4., 0.08, 2.) * vec3(.74, .74, .74);
-    result += stars(vec2(coord.x + time * 0.05,coord.y), 8., 0.05, 1.) * vec3(.74, .74, .74);
+    result += stars(vec2(coord.x + vTime * 0.05,coord.y), 8., 0.05, 1.) * vec3(.74, .74, .74);
-    result += stars(vec2(coord.x + time * 0.025,coord.y), 10., 0.05,0.8) * vec3(.95, .95, .95);
+    result += stars(vec2(coord.x + vTime * 0.025,coord.y), 10., 0.05,0.8) * vec3(.95, .95, .95);
     result += stars(coord  , 20., 0.025, 0.5) * vec3(.9, .9, .95);
 
 
@@ -70,9 +69,9 @@ void main()
 
 
     // bar layer open scene ;
-    // vec2 bl = gl_FragCoord.xy / resolution.xy;
+    // vec2 bl = gl_FragCoord.xy / vResolution.xy;
 
-    // if(bl.y>.50-min(time/20.,0.4) ^^ bl.y<0.50+min(time/20.0,.4))  gl_FragColor  = vec4(0.0,sqrt(coord.y+0.1),0.3,1.0);
+    // if(bl.y>.50-min(vTime/20.,0.4) ^^ bl.y<0.50+min(vTime/20.0,.4))  gl_FragColor  = vec4(0.0,sqrt(coord.y+0.1),0.3,1.0);
 
 
 

android/assets/shaders/star_vert.glsl

@@ -0,0 +1,20 @@
+attribute vec4 a_position;
+attribute vec4 a_color;
+attribute vec2 a_texCoord0;
+
+uniform mat4 u_projTrans;
+uniform float time;
+uniform vec2 resolution;
+
+varying vec4 vColor;
+varying vec2 vTexCoord;
+varying float vTime;
+varying vec2 vResolution;
+void main() {
+	vColor = a_color;
+	vTexCoord = a_texCoord0;
+	vTime = time;
+	vResolution = resolution;
+
+	gl_Position = u_projTrans * a_position;
+}

core/src/zero1hd/polyjet/entity/EntityController.java

@@ -2,7 +2,6 @@ package zero1hd.polyjet.entity;
 
 import com.badlogic.gdx.assets.AssetManager;
 import com.badlogic.gdx.graphics.Texture;
-import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
 import com.badlogic.gdx.utils.Array;
 import com.badlogic.gdx.utils.Pool;
 
@@ -15,7 +14,6 @@ import zero1hd.polyjet.entity.enemies.VoidCircle;
 
 public class EntityController {
 	AssetManager assets;
-	public ShapeRenderer shapes;
 	
 	public Array<Entity> activeAllies;
 	public Array<Entity> activeEnemies;
@@ -30,19 +28,16 @@ public class EntityController {
 	//Ally pool declaration;
 	private Pool<Laser> laserPool;
 	
-	public EntityController(AssetManager assetManager, ShapeRenderer shapeRenderer) {
+	public EntityController(AssetManager assetManager) {
 		activeAllies = new Array<Entity>();
 		activeEnemies = new Array<Entity>();
 		this.assets = assetManager;
 		
-		this.shapes = shapeRenderer;
-		shapes.setAutoShapeType(true);
-		
 		//Enemy pool initialization;
 		voidCirclePool = new Pool<VoidCircle>() {
 			@Override
 			protected VoidCircle newObject() {
-				return new VoidCircle(shapes);
+				return new VoidCircle(assets.get("void_circle.png", Texture.class));
 			}
 		};
 		pelletPool = new Pool<Pellet>() {

core/src/zero1hd/polyjet/entity/enemies/VoidCircle.java

@@ -1,9 +1,9 @@
 package zero1hd.polyjet.entity.enemies;
 
 import com.badlogic.gdx.graphics.Color;
+import com.badlogic.gdx.graphics.Texture;
 import com.badlogic.gdx.graphics.g2d.Batch;
-import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
+import com.badlogic.gdx.graphics.g2d.Sprite;
-import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
 import com.badlogic.gdx.math.Rectangle;
 import com.badlogic.gdx.math.Vector2;
 import com.badlogic.gdx.scenes.scene2d.Actor;
@@ -18,16 +18,16 @@ public class VoidCircle extends Actor implements Entity, Poolable {
 	private float endRadius;
 	private float currentRadius;
 	private Rectangle hitBox;
-	private ShapeRenderer shapeRenderer;
+	private Sprite voidCircleTexture;
 	private float growthRate;
 	private boolean done;
 	private boolean begin;
 	private Vector2 center;
 	
-public VoidCircle(ShapeRenderer shapeRenderer) {
+public VoidCircle(Texture voidTexture) {
 		hitBox = new Rectangle();
-		this.shapeRenderer = shapeRenderer;
 		center = new Vector2();
+		voidCircleTexture = new Sprite(voidTexture);
 	}
 	
 	public void init(float endRadius, float x, float y, float growthRate, float warningTime) {
@@ -43,6 +43,7 @@ public VoidCircle(ShapeRenderer shapeRenderer) {
 	@Override
 	public void act(float delta) {
 		toFront();
+		voidCircleTexture.setCenter(getX()+center.x, getY()+center.y);
 		hitBox.setCenter(getX()+center.x, getY()+center.y);
 		
 		if (timer > 0) {
@@ -66,21 +67,16 @@ public VoidCircle(ShapeRenderer shapeRenderer) {
 	
 	@Override
 	public void draw(Batch batch, float parentAlpha) {
-		batch.end();
-		shapeRenderer.begin();
 		if (begin) {
-			shapeRenderer.set(ShapeType.Filled);
+			voidCircleTexture.setSize(2*currentRadius, 2*currentRadius);
-			shapeRenderer.setColor(Color.BLACK);
+			voidCircleTexture.setCenter(getX()+center.x, getY()+center.y);
-			shapeRenderer.circle(getX()+center.x, getY()+center.y, currentRadius, 48);
 		} else {
-			shapeRenderer.set(ShapeType.Line);
+			voidCircleTexture.setSize(2*endRadius, 2*endRadius);
-			shapeRenderer.setColor(1 - timer/warnTime, 1 - timer/warnTime, 1 - timer/warnTime, 1f);
+			voidCircleTexture.setColor(1f,0f,0f,0.5f);
-			shapeRenderer.circle(getX()+center.x, getY()+center.y, endRadius, 48);
+			voidCircleTexture.draw(batch);
 		}
-		shapeRenderer.end();
-		batch.begin();
-		
 		
+		batch.setColor(Color.WHITE);
 		super.draw(batch, parentAlpha);
 	}
 	
@@ -95,6 +91,7 @@ public VoidCircle(ShapeRenderer shapeRenderer) {
 		begin = false;
 		warnTime = 0;
 		center.set(0, 0);
+		voidCircleTexture.setPosition(0, 0);
 		setSize(0, 0);
 	}
 	

core/src/zero1hd/polyjet/screens/CreativeDebugScreen.java

@@ -2,6 +2,7 @@ package zero1hd.polyjet.screens;
 
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.InputMultiplexer;
+import com.badlogic.gdx.Preferences;
 import com.badlogic.gdx.ScreenAdapter;
 import com.badlogic.gdx.graphics.GL20;
 
@@ -14,16 +15,21 @@ public class CreativeDebugScreen extends ScreenAdapter {
 	GamePlayArea gamePlayArea;
 	InputMultiplexer inputs;
 	
+	Preferences prefs;
+	
 	public CreativeDebugScreen(Polyjet core, MainMenu mainMenu) {
 		gamePlayArea = new GamePlayArea(core.getAssetManager(), core.getPrefs());
 		creative = new CreativeStage(core, mainMenu, gamePlayArea);
 		
 		inputs = new InputMultiplexer(creative, gamePlayArea);
+		
+		this.prefs = core.getPrefs();
 	}
 	
 	@Override
 	public void show() {
 		Gdx.input.setInputProcessor(inputs);
+		gamePlayArea.loadShaders(prefs);
 		super.show();
 	}
 	
@@ -31,7 +37,6 @@ public class CreativeDebugScreen extends ScreenAdapter {
 	public void render(float delta) {
 		Gdx.gl.glClearColor(1f, 1f, 1f, 1f);
         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_DEPTH_BUFFER_BIT);
-		Gdx.gl.glLineWidth(1f);
 
 		gamePlayArea.getViewport().apply();
 		gamePlayArea.act();
@@ -50,6 +55,7 @@ public class CreativeDebugScreen extends ScreenAdapter {
 	
 	@Override
 	public void dispose() {
+		dispose();
 		super.dispose();
 	}
 }

core/src/zero1hd/polyjet/screens/GameScreen.java

@@ -112,6 +112,7 @@ public class GameScreen extends ScreenAdapter implements InputProcessor {
 	@Override
 	public void show() {
 		Gdx.input.setInputProcessor(inputs);
+		gameArea.loadShaders(core.getPrefs());
 		super.show();
 	}
 

core/src/zero1hd/polyjet/screens/MainMenu.java

@@ -97,11 +97,16 @@ public class MainMenu extends ScreenAdapter implements TransitionAdapter {
 	
 	@Override
 	public void hide() {
+		saveAll();
+		super.hide();
+	}
+	
+	public void saveAll() {
 		if (optionsPage != null) {
 			optionsPage.saveOptions(core.getPrefs());
 			moreOptionsPage.getGraphicsSettings().save(core.getPrefs());
+			core.getPrefs().flush();
 		}
-		super.hide();
 	}
 	
 	@Override

core/src/zero1hd/polyjet/ui/builders/GraphicsTable.java

@@ -36,17 +36,17 @@ public class GraphicsTable extends Table {
 		row();
 		
 		invertShader = new CheckBox(" Invert Shader", skin, "expandable");
-		invertShader.setChecked(pref.getBoolean("invert_shader", false));
+		invertShader.setChecked(pref.getBoolean("invert shader", false));
 		add(invertShader).minHeight(shaders.getHeight());
 		row();
 		
 		glowShader = new CheckBox(" Glow Shader", skin, "expandable");
-		glowShader.setChecked(pref.getBoolean("glow_shader", true));
+		glowShader.setChecked(pref.getBoolean("glow shader", true));
 		add(glowShader).minHeight(shaders.getHeight());
 		row();
 		
 		bgShader = new CheckBox(" Background Shader", skin, "expandable");
-		bgShader.setChecked(pref.getBoolean("bg_shader", true));
+		bgShader.setChecked(pref.getBoolean("bg shader", true));
 		add(bgShader).minHeight(shaders.getHeight());
 		row();
 		
@@ -104,9 +104,10 @@ public class GraphicsTable extends Table {
 	}
 	
 	public void save(Preferences prefs) {
-		prefs.putBoolean("bg_shader", bgShader.isChecked());
+		Gdx.app.debug("Preferences", "Saved shading values values.");
-		prefs.putBoolean("glow_shader", glowShader.isChecked());
+
-		prefs.putBoolean("invert_shader", invertShader.isChecked());
+		prefs.putBoolean("bg shader", bgShader.isChecked());
-		prefs.flush();
+		prefs.putBoolean("glow shader", glowShader.isChecked());
+		prefs.putBoolean("invert shader", invertShader.isChecked());
 	}
 }

core/src/zero1hd/polyjet/ui/pages/OptionsPage.java

@@ -145,7 +145,6 @@ public class OptionsPage extends Page {
 		prefs.putFloat("music vol", musicVolSlider.getValue());
 		prefs.putFloat("fx vol", fxVolSlider.getValue());
 		prefs.putString("music dir", directoryField.getText());
-		prefs.flush();
 	}
 	
 	@Override

core/src/zero1hd/polyjet/ui/stages/GamePlayArea.java

@@ -7,6 +7,7 @@ import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.glutils.ShaderProgram;
 import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
 import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
+import com.badlogic.gdx.math.Vector2;
 import com.badlogic.gdx.scenes.scene2d.Stage;
 import com.badlogic.gdx.utils.viewport.FitViewport;
 
@@ -22,7 +23,6 @@ import zero1hd.polyjet.entity.ally.PolyJetEntity;
 public class GamePlayArea extends Stage {
 	public PolyJetEntity polyjet;
 	
-	public ShapeRenderer shapes;
 	
 	public EntityController ec;
 	private CollisionDetector collisionDetector;
@@ -34,15 +34,27 @@ public class GamePlayArea extends Stage {
 	private ShaderProgram invert;
 	private ShaderProgram bgShader;
 	
-	private ShapeRenderer bg;
+	private Vector2 resolution;
+	
+	private float timePassed;
 	public GamePlayArea(AssetManager assetManager, Preferences prefs) {
 		super(new FitViewport(Polyjet.GAME_AREA_WIDTH, Polyjet.GAME_AREA_HEIGHT));
+		Gdx.app.debug("Game Area", "new area created");
 		
 		polyjet = new PolyJetEntity(assetManager, 25f, 25f, "standard");
-		
+		ec = new EntityController(assetManager);
+		collisionDetector = new CollisionDetector(ec.activeAllies, ec.activeEnemies);
+		ec.activeAllies.add(polyjet);
 		addActor(polyjet);
-		
+	}
-		if (prefs.getBoolean("invert_shader")) {
+	
+	/**
+	 * needs to be called right after set (should be called in show method).
+	 * @param prefs
+	 */
+	public void loadShaders(Preferences prefs) {
+		if (prefs.getBoolean("invert shader")) {
+			Gdx.app.debug("Shader", "using inversion shader");
 			invert = new ShaderProgram(Gdx.files.internal("shaders/invert_vert.glsl").readString(), Gdx.files.internal("shaders/invert_frag.glsl").readString());
 			ShaderProgram.pedantic = false;
 			if (!invert.isCompiled()) {
@@ -56,43 +68,39 @@ public class GamePlayArea extends Stage {
 			
 		}
 		
-		if (prefs.getBoolean("bg_shader")) {
+		if (prefs.getBoolean("bg shader")) {
-			bgShader = new ShaderProgram(Gdx.files.internal("shaders/invert_vert.glsl").readString(), Gdx.files.internal("shaders/star_frag.glsl").readString());
+			Gdx.app.debug("Shader", "using background shader");
-			if (!invert.isCompiled()) {
+			
-				System.err.println(invert.getLog());
+			bgShader = new ShaderProgram(Gdx.files.internal("shaders/star_vert.glsl").readString(), Gdx.files.internal("shaders/star_frag.glsl").readString());
+			
+			if (!bgShader.isCompiled()) {
+				System.err.println(bgShader.getLog());
 				System.exit(0);
 			}
-			if (invert.getLog().length()!=0) {
+			if (bgShader.getLog().length()!=0) {
-				System.out.println(invert.getLog());
+				System.out.println(bgShader.getLog());
 			}
-			
+			resolution = new Vector2(Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
-			bg = new ShapeRenderer(8, bgShader);
-			bg.setColor(Color.BLACK);
 		} else {
-			bg = new ShapeRenderer();
+			//TODO prepare background rendering without shader
-			bg.setTransformMatrix(getCamera().combined);
-			bg.setColor(Color.WHITE);
 		}
 		
 		ShaderProgram.pedantic = false;
-		
-		shapes = new ShapeRenderer(64, getBatch().getShader());
-		shapes.setProjectionMatrix(getCamera().combined);
-		ec = new EntityController(assetManager, shapes);
-		collisionDetector = new CollisionDetector(ec.activeAllies, ec.activeEnemies);
-		ec.activeAllies.add(polyjet);
 	}
 	
 	@Override
 	public void draw() {
-		bg.begin(ShapeType.Filled);
+		//TODO batch draw background
-		bg.rect(0, 0, Polyjet.GAME_AREA_WIDTH, Polyjet.GAME_AREA_HEIGHT);
-		bg.end();
 		super.draw();
 	}
 	
 	@Override
 	public void act(float delta) {
+		if (bgShader != null) {
+			timePassed += delta;
+			bgShader.setUniformf("time", timePassed);
+			bgShader.setUniformf("resolution", resolution);
+		}
 		collisionDetector.collisionCheck();
 		ec.deathClean();