From 897f802885954df39585398c5198085fc3a29850 Mon Sep 17 00:00:00 2001 From: Recrown Date: Tue, 11 Jul 2017 16:17:27 -0500 Subject: [PATCH] added pellet gen --- .../zero1hd/polyjet/audio/AudioAnalyzer.java | 101 ++++++++++-------- .../polyjet/audio/map/RhythmMapAlgorithm.java | 8 +- 2 files changed, 65 insertions(+), 44 deletions(-) diff --git a/core/src/zero1hd/polyjet/audio/AudioAnalyzer.java b/core/src/zero1hd/polyjet/audio/AudioAnalyzer.java index 3e5c481..f7d009b 100755 --- a/core/src/zero1hd/polyjet/audio/AudioAnalyzer.java +++ b/core/src/zero1hd/polyjet/audio/AudioAnalyzer.java @@ -27,19 +27,21 @@ public class AudioAnalyzer { private FloatArray bassPrunned = new FloatArray(); private FloatArray bassPeaks = new FloatArray(); private float bassMaxValue; + private float bassAvg; int UMBinBegin; int UMBinEnd; - private FloatArray UMSpectralFlux = new FloatArray(); - private FloatArray UMThreshold = new FloatArray(); - private FloatArray UMPrunned = new FloatArray(); - private FloatArray UMPeaks = new FloatArray(); + private FloatArray umSpectralFlux = new FloatArray(); + private FloatArray umThreshold = new FloatArray(); + private FloatArray umPrunned = new FloatArray(); + private FloatArray umPeaks = new FloatArray(); private float UMMaxValue; + private float umAvg; private FloatArray overlappedPeaks = new FloatArray(); float bassThresholdMultiplier; - float UMThresholdMultiplier; + float umThresholdMultiplier; int UMThresholdCalcRange; int bassThresholdCalcRange; @@ -64,7 +66,7 @@ public class AudioAnalyzer { int totalTasks = audioData.getSampleCount()/audioData.getReadWindowSize(); bassThresholdMultiplier = 1.5f; - UMThresholdMultiplier = 2f; + umThresholdMultiplier = 2f; bassBinBegin = 1; bassBinEnd = 15; @@ -120,7 +122,7 @@ public class AudioAnalyzer { fluxVal += ((spectrum[i] - lastSpectrum[i])) > 0 ? (spectrum[i] - lastSpectrum[i]) : 0; } - UMSpectralFlux.add(fluxVal); + umSpectralFlux.add(fluxVal); tasksDone++; progress = (int) (100f*tasksDone/totalTasks); sender.send(MiniEvents.ANALYZER_ITERATED); @@ -142,12 +144,12 @@ public class AudioAnalyzer { public void run() { //threshold calculation - for (int i = 0; i < UMSpectralFlux.size && work; i++) { + for (int i = 0; i < umSpectralFlux.size && work; i++) { int UMStart = Math.max(0, i - UMThresholdCalcRange/2); - int UMEnd = Math.min(UMSpectralFlux.size - 1, i + UMThresholdCalcRange/2); + int UMEnd = Math.min(umSpectralFlux.size - 1, i + UMThresholdCalcRange/2); int bassStart = Math.max(0, i - bassThresholdCalcRange/2); - int bassEnd = Math.min(UMSpectralFlux.size - 1, i + bassThresholdCalcRange/2); + int bassEnd = Math.min(umSpectralFlux.size - 1, i + bassThresholdCalcRange/2); float average = 0; for (int j = bassStart; j <= bassEnd; j++) { @@ -158,10 +160,10 @@ public class AudioAnalyzer { average = 0; for (int j = UMStart; j <= UMEnd; j++) { - average+= UMSpectralFlux.get(j); + average+= umSpectralFlux.get(j); } average /= (UMEnd - UMStart); - UMThreshold.add(average*UMThresholdMultiplier); + umThreshold.add(average*umThresholdMultiplier); } Gdx.app.debug("Audio Analyzer", "Threshold calculated."); @@ -169,7 +171,7 @@ public class AudioAnalyzer { //pruning data float prunnedCurrentVal; - for (int i = 0; i < UMSpectralFlux.size && work; i++) { + for (int i = 0; i < umSpectralFlux.size && work; i++) { prunnedCurrentVal = bassSpectralFlux.get(i) - bassThreshold.get(i); if (prunnedCurrentVal >= 0) { @@ -178,12 +180,12 @@ public class AudioAnalyzer { bassPrunned.add(0); } - prunnedCurrentVal = UMSpectralFlux.get(i) - UMThreshold.get(i); + prunnedCurrentVal = umSpectralFlux.get(i) - umThreshold.get(i); if (prunnedCurrentVal >= 0 ) { - UMPrunned.add(prunnedCurrentVal); + umPrunned.add(prunnedCurrentVal); } else { - UMPrunned.add(0); + umPrunned.add(0); } @@ -194,41 +196,56 @@ public class AudioAnalyzer { //peak detection int lastID = 0; - for (int i = 0; i < UMPrunned.size-1 && work; i++) { + float bassBeats = 0; + float umBeats = 0; + for (int i = 0; i < umPrunned.size-1 && work; i++) { bassPeaks.add((bassPrunned.get(i) > bassPrunned.get(i+1) ? bassPrunned.get(i) : 0)); if (bassPeaks.get(i) > bassMaxValue) { bassMaxValue = bassPeaks.get(i); } - UMPeaks.add((UMPrunned.get(i) > UMPrunned.get(i+1) ? UMPrunned.get(i) : 0)); - if (UMPeaks.get(i) > UMMaxValue) { - UMMaxValue = UMPeaks.get(i); + umPeaks.add((umPrunned.get(i) > umPrunned.get(i+1) ? umPrunned.get(i) : 0)); + if (umPeaks.get(i) > UMMaxValue) { + UMMaxValue = umPeaks.get(i); } //overlapping beats - if (bassPeaks.get(i) != 0 && UMPeaks.get(i) != 0) { - overlappedPeaks.add(bassPeaks.get(i)+UMPeaks.get(i)/2); + if (bassPeaks.get(i) != 0 && umPeaks.get(i) != 0) { + overlappedPeaks.add(bassPeaks.get(i)+umPeaks.get(i)/2); } else { overlappedPeaks.add(0); } avgBPS = -1f; - float beats = 0; - if (avgBPS == -1 && bassPeaks.get(i) != 0) { - //this should actually equal to 1; + + if (avgBPS != -1) { + if (bassPeaks.get(i) == 0) { + avgBPS ++; + } else { + bassBeats ++; + lastID = i; + } + } else if (bassPeaks.get(i) != 0) { avgBPS = 0; - } else if (avgBPS == 0 && bassPeaks.get(i) == 0) { - avgBPS ++; - } else { - beats ++; - lastID = i; } - //then we minus one from the beats so it actually works out - avgBPS -= UMPrunned.size-lastID; - avgBPS *= secondsPerWindow; - avgBPS = beats/avgBPS; + + if (bassPeaks.get(i) != 0) { + bassAvg += bassPeaks.get(i); + } + if (umPeaks.get(i) != 0) { + umAvg += umPeaks.get(i); + umBeats++; + } } + //then we minus one from the beats so it actually works out + avgBPS -= umPrunned.size-lastID; + avgBPS *= secondsPerWindow; + avgBPS /= bassBeats; + + bassAvg /= bassBeats; + umBeats /= umBeats; + if (work) { Gdx.app.debug("Audio Analyzer", "overlapped beats checked."); @@ -248,10 +265,10 @@ public class AudioAnalyzer { bassPrunned.shrink(); bassPeaks.shrink(); - UMSpectralFlux.shrink(); - UMThreshold.shrink(); - UMPrunned.shrink(); - UMPeaks.shrink(); + umSpectralFlux.shrink(); + umThreshold.shrink(); + umPrunned.shrink(); + umPeaks.shrink(); overlappedPeaks.shrink(); } @@ -267,8 +284,8 @@ public class AudioAnalyzer { } public void runThresholdCleaning(float rangeModifier) { - this.bassThresholdMultiplier += rangeModifier; - this.UMThresholdMultiplier += rangeModifier; + this.bassThresholdMultiplier /= rangeModifier; + this.umThresholdMultiplier /= rangeModifier; work = true; Thread thresholdClean = new Thread(thresholdCalculator); thresholdClean.start(); @@ -283,7 +300,7 @@ public class AudioAnalyzer { return bassPeaks; } public FloatArray getUMPeaks() { - return UMPeaks; + return umPeaks; } private int thresholdRangeCalc(float durationOfRange) { @@ -300,7 +317,7 @@ public class AudioAnalyzer { } public int getReadIndex() { - if (audioData.getReadIndex() < UMPeaks.size) { + if (audioData.getReadIndex() < umPeaks.size) { return audioData.getReadIndex(); } else { return 0; diff --git a/core/src/zero1hd/polyjet/audio/map/RhythmMapAlgorithm.java b/core/src/zero1hd/polyjet/audio/map/RhythmMapAlgorithm.java index 54efda0..60ff262 100755 --- a/core/src/zero1hd/polyjet/audio/map/RhythmMapAlgorithm.java +++ b/core/src/zero1hd/polyjet/audio/map/RhythmMapAlgorithm.java @@ -59,9 +59,13 @@ public class RhythmMapAlgorithm implements Runnable { ((Polyjet.GAME_AREA_HEIGHT-bassPeaks.get(index)*Polyjet.GAME_AREA_HEIGHT)/avgBPS)*speedMod); } else { if (UMPeaks.get(index) != 0) { - //TODO basic pellet scatter spawn + float xSpawnLocation = (rand.nextFloat()*(Polyjet.GAME_AREA_WIDTH-2))+1; + map.addToMap(Entities.PELLET, + xSpawnLocation, + Polyjet.GAME_AREA_HEIGHT-0.25f, + 180+180*rand.nextFloat(), + speedMod*(Polyjet.GAME_AREA_HEIGHT/3)/avgBPS); } - //TODO rest of the basic generation } } else { map.addRestToMap();