re-organized visualizer setup for future ease of use
This commit is contained in:
@@ -1,224 +0,0 @@
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package zero1hd.rhythmbullet.audio.visualizer;
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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.Pixmap;
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import com.badlogic.gdx.graphics.Pixmap.Format;
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import com.badlogic.gdx.graphics.Texture;
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import com.badlogic.gdx.graphics.g2d.Batch;
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import com.badlogic.gdx.graphics.g2d.Sprite;
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import com.badlogic.gdx.math.MathUtils;
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import com.badlogic.gdx.math.Vector2;
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import com.badlogic.gdx.utils.Array;
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import zero1hd.rhythmbullet.audio.MusicManager;
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public class BasicVisualizer extends VisualizerCore {
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private Pixmap pixmap;
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private Texture barTexture;
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private int barWidth;
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private int binsPerBar;
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private int spaceBetweenBars;
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private Sprite[] bars;
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private float[] barHeights;
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private int smoothRange;
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private float barHeightMultiplier;
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private float rotation;
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private Vector2 angleRot;
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private boolean flip;
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private Array<MirrorVisualizer> mirrors;
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private boolean reverse;
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private float maxAvgHeight;
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private float currentAvg;
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public BasicVisualizer() {
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super(Gdx.graphics.getWidth(), Gdx.graphics.getHeight()/2, 0, 0);
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mirrors = new Array<>();
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pixmap = new Pixmap(2, 2, Format.RGBA8888);
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pixmap.setColor(Color.WHITE);
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pixmap.fill();
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barCount = 70;
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smoothRange = 3;
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angleRot = new Vector2(MathUtils.cosDeg(rotation), MathUtils.sinDeg(rotation));
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bars = new Sprite[barCount];
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barHeights = new float[barCount];
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barTexture = new Texture(pixmap);
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for (int i = 0; i < bars.length; i++) {
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bars[i] = new Sprite(barTexture);
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}
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updatePositionInfo();
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pixmap.dispose();
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}
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@Override
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public void render(Batch batch, float parentAlpha) {
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if (mm != null) {
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for (int i = 0; i < bars.length; i++) {
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bars[i].draw(batch);
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for (int j = 0; j < mirrors.size; j++) {
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mirrors.get(j).render(i, batch, parentAlpha, bars);
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}
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}
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}
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super.render(batch, parentAlpha);
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}
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public void update(float delta) {
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//Averaging bins together
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for (int i = 0; i < barCount; i++) {
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float barHeight = 0;
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for (int j = 0; j < binsPerBar; j++) {
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barHeight += Math.abs(audioPCM[j+i*binsPerBar +1]);
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}
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barHeight /= binsPerBar;
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barHeight *= barHeightMultiplier;
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barHeights[i] = barHeight;
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}
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currentAvg = 0;
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for (int i = 0; i < barCount; i++) {
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int avg = 0;
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//Averaging the bars
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for (int range = 0; range < smoothRange; range++) {
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if (i+range < barCount) {
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avg += barHeights[i+range];
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}
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if (i-range >= 0) {
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avg += barHeights[i-range];
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}
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}
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avg /= smoothRange*2;
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barHeights[i] = avg;
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currentAvg += barHeights[i];
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if (bars[i].getHeight() > barHeights[i]) {
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bars[i].setSize(barWidth, bars[i].getHeight() - (15f*delta*(bars[i].getHeight()-barHeights[i])));
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} else {
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bars[i].setSize(barWidth, bars[i].getHeight() + (20f*delta*(barHeights[i] - bars[i].getHeight())));
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}
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}
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currentAvg /= barHeights.length;
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if (currentAvg > maxAvgHeight) {
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maxAvgHeight = currentAvg;
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}
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}
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@Override
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public void setMM(MusicManager mm) {
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maxAvgHeight = 0;
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currentAvg = 0;
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float validBins = (1700/((mm.getSampleRate()/2)/((mm.getReadWindowSize()/2)+1)));
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Gdx.app.debug("Visualizer", "valid frequency bins " + validBins);
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binsPerBar = MathUtils.round((validBins/barCount));
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barHeights = new float[barCount];
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super.setMM(mm);
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}
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@Override
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public void dispose() {
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barTexture.dispose();
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super.dispose();
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}
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public void updatePositionInfo() {
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barHeightMultiplier = height*0.03f;
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int barSpace = 0;
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angleRot.set(MathUtils.cosDeg(rotation), MathUtils.sinDeg(rotation));
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barWidth = MathUtils.round((float) width/(float) barCount);
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barWidth -= spaceBetweenBars;
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for (int i = 0; i < bars.length; i++) {
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barSpace = i*(barWidth+spaceBetweenBars);
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if (flip) {
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bars[i].setRotation(rotation+180);
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} else {
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bars[i].setRotation(rotation);
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}
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if (reverse) {
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bars[bars.length-i-1].setPosition(xPos + barSpace*angleRot.x, yPos + barSpace*angleRot.y);
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} else {
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bars[i].setPosition(xPos + barSpace*angleRot.x, yPos + barSpace*angleRot.y);
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}
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for (int mirrorIndex = 0; mirrorIndex < mirrors.size; mirrorIndex++) {
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mirrors.get(mirrorIndex).position(i, barWidth, spaceBetweenBars);
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}
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}
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}
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public float getActualWidth() {
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return (barWidth+spaceBetweenBars)*(barCount - 1);
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}
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public void setColor(Color color) {
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for (int i = 0; i < bars.length; i++) {
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bars[i].setColor(color);
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}
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for (int i = 0; i < mirrors.size; i++) {
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mirrors.get(i).setColor(color);
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}
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}
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public void setColor(float r, float g, float b, float a) {
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for (int i = 0; i < bars.length; i++) {
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bars[i].setColor(r, g, b, a);
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}
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for (int i = 0; i < mirrors.size; i++) {
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mirrors.get(i).setColor(r, g, b, a);
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}
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}
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public void setRotation(float rotation) {
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this.rotation = rotation;
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}
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public void flip() {
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flip = !flip;
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}
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public boolean isFlipped() {
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return flip;
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}
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public void addMirrorVisualizer(MirrorVisualizer mirror) {
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updatePositionInfo();
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mirror.setup(bars, xPos, yPos, rotation);
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mirrors.add(mirror);
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setxPos(((getWidth() - getActualWidth())/2f));
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}
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public void removeMirrorVisualizer(MirrorVisualizer mirror) {
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mirrors.removeValue(mirror, true);
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}
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public void setSpaceBetweenBars(int spaceBetweenBars) {
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this.spaceBetweenBars = spaceBetweenBars;
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}
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public int getBarWidth() {
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return barWidth;
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}
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public void reverse() {
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reverse = reverse ? false : true;
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}
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public boolean isReversed() {
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return reverse;
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}
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public Sprite[] getBars() {
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return bars;
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}
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public float getCurrentAvg() {
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return currentAvg;
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}
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public float getMaxAvgHeight() {
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return maxAvgHeight;
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}
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public int getSpaceBetweenBars() {
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return spaceBetweenBars;
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}
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}
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@@ -17,7 +17,7 @@ public class MirrorVisualizer {
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rectCoordRot = new Vector2();
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}
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protected void setup(Sprite[] bars, float xPos, float yPos, float rotation) {
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public void setup(Sprite[] bars, float xPos, float yPos, float rotation) {
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this.bars = new Sprite[bars.length];
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this.xPos = (int) xPos;
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this.yPos = (int) yPos;
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@@ -8,21 +8,14 @@ import com.badlogic.gdx.utils.Disposable;
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import edu.emory.mathcs.jtransforms.fft.FloatFFT_1D;
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import zero1hd.rhythmbullet.audio.MusicManager;
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public class VisualizerCore implements Disposable {
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public class MusicManagerFFT implements Disposable {
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protected MusicManager mm;
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private FloatFFT_1D fft;
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protected float width, height;
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protected float xPos, yPos;
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protected int barCount;
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private boolean calc;
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private ReentrantLock lock;
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protected float[] audioPCM;
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public VisualizerCore(int width, int height, int x, int y) {
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this.height = height;
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this.width = width;
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this.xPos = x;
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this.yPos = y;
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public MusicManagerFFT() {
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lock = new ReentrantLock();
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}
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@@ -56,36 +49,6 @@ public class VisualizerCore implements Disposable {
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public void dispose() {
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}
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public void setxPos(float xPos) {
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this.xPos = xPos;
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}
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public void setyPos(float yPos) {
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this.yPos = yPos;
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}
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public void setWidth(float width) {
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this.width = width;
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}
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public void setHeight(float height) {
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this.height = height;
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}
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public float getxPos() {
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return xPos;
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}
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public float getyPos() {
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return yPos;
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}
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public float getWidth() {
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return width;
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}
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public float getHeight() {
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return height;
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}
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public MusicManager getMm() {
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return mm;
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}
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