From 05a701b643945790ae4da243ef4febd475020684 Mon Sep 17 00:00:00 2001
From: Recrown <yunyangdeng@gmail.com>
Date: Sun, 8 Oct 2017 19:48:03 -0500
Subject: [PATCH] game screen blur level added

---
 .../rhythmbullet/screens/GameScreen.java      | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/core/src/zero1hd/rhythmbullet/screens/GameScreen.java b/core/src/zero1hd/rhythmbullet/screens/GameScreen.java
index f21846d..8c950ad 100755
--- a/core/src/zero1hd/rhythmbullet/screens/GameScreen.java
+++ b/core/src/zero1hd/rhythmbullet/screens/GameScreen.java
@@ -38,6 +38,8 @@ public class GameScreen extends ScreenAdapter {
 	private TextureRegion fboRegion;
 	private int fboSize;
 	
+	private int blurlvl = 4;
+	
 	/**
 	 * The game screen where the game play area, and hud are placed.
 	 * @param core The game context object
@@ -156,6 +158,7 @@ public class GameScreen extends ScreenAdapter {
 		}
 		gameArea.getViewport().apply();
 		
+		blurlvl = 4;
 		if (gaussianBlurShader != null) {
 			//Begin drawing a normal version of screen
 			normalBuffer.begin();
@@ -210,6 +213,34 @@ public class GameScreen extends ScreenAdapter {
 					gameArea.getViewport().getScreenWidth(), 
 					gameArea.getViewport().getScreenHeight());
 			
+			for (int i = 0; i < blurlvl; i++) {
+				//Horizontal gaussian blur
+				hBlur.begin();
+				fboRegion.setRegion(vBlur.getColorBufferTexture());
+				gameArea.getBatch().setShader(gaussianBlurShader);
+				gaussianBlurShader.setUniformi("horizontal", 1);
+				gameArea.getBatch().draw(fboRegion, 0f, 0f, RhythmBullet.GAME_AREA_WIDTH, RhythmBullet.GAME_AREA_HEIGHT);
+				gameArea.getBatch().flush();
+				hBlur.end(
+						gameArea.getViewport().getScreenX(), 
+						gameArea.getViewport().getScreenY(), 
+						gameArea.getViewport().getScreenWidth(), 
+						gameArea.getViewport().getScreenHeight());
+				
+				//Vertical gaussian blur
+				vBlur.begin();
+				fboRegion.setRegion(hBlur.getColorBufferTexture());
+				gameArea.getBatch().setShader(gaussianBlurShader);
+				gaussianBlurShader.setUniformi("horizontal", 0);
+				gameArea.getBatch().draw(fboRegion, 0f, 0f, RhythmBullet.GAME_AREA_WIDTH, RhythmBullet.GAME_AREA_HEIGHT);
+				gameArea.getBatch().flush();
+				vBlur.end(
+						gameArea.getViewport().getScreenX(), 
+						gameArea.getViewport().getScreenY(), 
+						gameArea.getViewport().getScreenWidth(), 
+						gameArea.getViewport().getScreenHeight());
+			}
+			
 			//Draw everything to screen
 			gameArea.getBatch().setShader(combineShader);
 			fboRegion.setRegion(normalBuffer.getColorBufferTexture());