main menu particle effects

core/src/zero1hd/rhythmbullet/audio/visualizer/DoubleHorizontalVisualizer.java

@@ -21,6 +21,9 @@ public class DoubleHorizontalVisualizer implements Disposable {
 	private int binsPerBar;
 	private float offset;
 	private int boundaryThickness;
+	private boolean significantBeat;
+	private float maxAverageAmplitude;
+	private byte significantFrames;
 	private float targetDelta;
 	private float spacePercentage = 0.7f;
 	private float baseSensitivity = 0.009f;
@@ -29,7 +32,7 @@ public class DoubleHorizontalVisualizer implements Disposable {
 	private int smoothRange = 2;
 	private int binsToInclude = 120;
 	private Color colorBegin = new Color(0.5f, 0.6f, 0.8f, 0.46f);
-	private Color colorEnd = new Color();
+
 	/**
 	 * 
 	 * @param barCount amount of bars this visualizer should have.
@@ -54,13 +57,37 @@ public class DoubleHorizontalVisualizer implements Disposable {
 	}
 	
 	public void act(float delta) {
+		if (pcm.hasAudioChanged()) {
+			maxAverageAmplitude = 0;
+			significantBeat = false;
+		}
 		float[] freqBins = pcm.getFrequencyBins();
+		float averageAmplitude = 0;
 		for (int bar = 0; bar < amplitudes.length; bar++) {
 			amplitudes[bar] = 0;
 			for (int freq = bar*binsPerBar; freq < (bar*binsPerBar) + binsPerBar; freq++) {
 				amplitudes[bar] += Math.abs(freqBins[freq]) * baseSensitivity;
 			}
 			amplitudes[bar] /= binsPerBar;
+			
+			averageAmplitude += amplitudes[bar];
+		}
+		
+		averageAmplitude /= amplitudes.length;
+		if (averageAmplitude > maxAverageAmplitude*0.5f && !significantBeat) {
+			if (maxAverageAmplitude != 0) {
+				significantFrames++;
+				if (significantFrames >= 16) {
+					significantFrames = 0;
+					significantBeat = true;
+				}
+			}
+			
+			if (averageAmplitude > maxAverageAmplitude) {
+				maxAverageAmplitude = averageAmplitude;
+			}
+		} else {
+			significantBeat = false;
 		}
 		for (int bar = 0; bar < barHeights.length; bar++) {
 			int smoothCount = 1;
@@ -147,8 +174,12 @@ public class DoubleHorizontalVisualizer implements Disposable {
 		return y;
 	}
 	
+	public boolean isSignificantBeat() {
+		return significantBeat;
+	}
+	
 	public void updateMusic() {
-		pcm.updateMusic();
+		pcm.loadMusic();
 	}
 	
 	@Override

core/src/zero1hd/rhythmbullet/audio/visualizer/PCMSystem.java

@@ -8,5 +8,7 @@ public interface PCMSystem extends Disposable {
 
 	int getWindowSize();
 	
-	void updateMusic();
+	void loadMusic();
+	
+	boolean hasAudioChanged();
 }

core/src/zero1hd/rhythmbullet/graphics/ui/components/ScrollingText.java

@@ -14,7 +14,7 @@ import com.badlogic.gdx.scenes.scene2d.ui.Widget;
 import com.badlogic.gdx.scenes.scene2d.utils.ClickListener;
 import com.badlogic.gdx.scenes.scene2d.utils.ScissorStack;
 
-public class ScrollText extends Widget {
+public class ScrollingText extends Widget {
 	Rectangle scissors = new Rectangle();
 	Rectangle clipBounds = new Rectangle();
 	
@@ -35,13 +35,17 @@ public class ScrollText extends Widget {
 	private NinePatch background;
 	
 	private Vector2 coords;
-	public ScrollText(String text, String text2, Skin skin, boolean scrollOnHover, boolean useBackground) {
+	
+	private float targetDelta;
+	
+	public ScrollingText(String text, String text2, Skin skin, boolean scrollOnHover, boolean useBackground, float targetDelta) {
 		super();
 		font = skin.getFont("default-font");
 		init(text, text2, skin, scrollOnHover, useBackground);
+		this.targetDelta = targetDelta;
 	}
 	
-	public ScrollText(String text, String text2, Skin skin, String fontName, Color color, boolean scrollOnHover, boolean useBackground) {
+	public ScrollingText(String text, String text2, Skin skin, String fontName, Color color, boolean scrollOnHover, boolean useBackground) {
 		super();
 		font = skin.getFont(fontName);
 		font.setColor(color);
@@ -102,21 +106,18 @@ public class ScrollText extends Widget {
 		}
 	}
 	
-	
 	public void scroll(float delta) {
 		if (text1Offset >= -text1Width) {
-			text1Offset -= 60*delta;
-
-			
+			text1Offset -= 60*targetDelta;
 			if ((text1Offset < - Math.abs((text1Width - clipBounds.getWidth())) - 50) || text2Offset != clipBounds.getWidth()) {
-				text2Offset -= 60*delta;
+				text2Offset -= 60*targetDelta;
 				if (text2Offset <= -text2Width) {
 					text2Offset = clipBounds.getWidth();
 				}
 			}
 
 		} else {
-			text2Offset -= 60*delta;
+			text2Offset -= 60*targetDelta;
 			if (text2Offset < - Math.abs((text2Width - clipBounds.getWidth())) - 50) {
 				text1Offset = clipBounds.getWidth();
 			}