Major API change, use `draw()` in place of `frame()`

README.md

@@ -36,6 +36,17 @@ void setup() {
 }
 
 void draw () {
-  soundtrack.frame(0, 0);
+  soundtrack.draw(0, 0);
 }
 ```
+
+### Alternate usage
+
+Use the `frame(int x, int y, int frameNumber)` method to draw specific frames--used for laying out multiple frames of soundtrack on a single screen.
+
+```java
+void draw () {
+	soundtrack.frame(0, 0, frameCount);
+}
+
+```

examples/AllSoundtracks/AllSoundtracks.pde

@@ -19,7 +19,7 @@ void setup() {
 
 void draw () {
   for (int i = 0; i < types.length; i++) {
-    soundtracks[i].frame(i * 213, 0);
+    soundtracks[i].draw(i * 213, 0);
   }
   
   stroke(255, 0, 0);

examples/BasicOptical/BasicOptical.pde

@@ -11,7 +11,7 @@ String pitch = "long";                    			//whether the film is "long" or "sh
 boolean positive = true;                  			//whether the film is positive or negative
 
 void setup() {
-  size(213, 620, P2D);								//this will perfectly fill the frame with the soundtrack @ 2400DPI
+  size(213, 620);								//this will perfectly fill the frame with the soundtrack @ 2400DPI
   													//must run in P2D or P2D (acheives realtime playback easier)
   
   frameRate(24); 									//this will playback at realtime speed
@@ -19,5 +19,5 @@ void setup() {
 }
 
 void draw () {
-  soundtrack.frame(0, 0);
+  soundtrack.draw(0, 0);
 }

examples/OpticalWithPlayback/OpticalWithPlayback.pde

@@ -21,5 +21,5 @@ void setup() {
 }
 
 void draw () {
-  soundtrack.frame(0, 0);
+  soundtrack.draw(0, 0);
 }

library.properties

@@ -2,11 +2,11 @@
 
 name = SoundtrackOptical
 authors = [Matthew McWilliams](https://sixteenmillimeter.com)
-url = https://github.com/sixteenmillimeter/optical_soundtrack_processing
+url = https://github.com/sixteenmillimeter/SoundtrackOptical
 categories = "Animation,Sound,Video & Vision"
 sentence = Framework for generating 16mm optical soundtracks from a digital audio file.
 paragraph = Create optical soundtracks in different styles to be used in super16 film-out
-version = 1
-prettyVersion = 0.01a
-#minRevision = 0
-#maxRevision = 1
+version = 2
+prettyVersion = 0.02a
+minRevision = 2
+#maxRevision = 2

src/soundtrack/optical/SoundtrackOptical.java

@@ -39,6 +39,19 @@ public class SoundtrackOptical {
   PGraphics raw;
   PApplet parent;
   
+  /**
+   * @constructor
+   * 
+   * 
+   * @param parent {PApplet} Parent process (usually this)
+   * @param soundtrackFile {String} Path to soundtrackFile
+   * @param dpi {Integer} Target DPI of printer
+   * @param volume {Float} Volume of output soundtrack, 0 to 1.0
+   * @param type {String} Type of soundtrack either "unilateral", "variable area", "dual variable area", "multiple variable area", "variable density"
+   * @param pitch {String} Pitch of the film, either "long" for projection or "short" for camera stock
+   * @param positive {Boolean} Whether or not soundtrack is positive or negative
+   */
+  
   @SuppressWarnings("static-access")
   public SoundtrackOptical (PApplet parent, String soundtrackFile, int dpi, float volume, String type, String pitch, boolean positive ) {
 	this.parent = parent;
@@ -62,7 +75,7 @@ public class SoundtrackOptical {
     FRAMES = (int) Math.ceil(soundfile.frames() / RAW_FRAME_H);
     
     frameSample = new float[RAW_FRAME_H];
-    raw = parent.createGraphics(RAW_FRAME_W, RAW_FRAME_H, parent.P2D);
+    raw = parent.createGraphics(RAW_FRAME_W, RAW_FRAME_H);//mode option?
 
         
     for (int x = 0; x < soundfile.frames(); x++) {
@@ -75,8 +88,16 @@ public class SoundtrackOptical {
         }
       }
   }
+  
+  public void draw (int X, int Y) {
+    frame(X, Y, parent.frameCount);
+  }
+  
   @SuppressWarnings("static-access")
-  public void frame(int X, int Y) {
+  public void frame(int X, int Y, int frameNumber) {
+	if (frameNumber != -1) {
+		i = frameNumber;
+	}
     if (i >= FRAMES) {
       return;
     }
@@ -122,7 +143,9 @@ public class SoundtrackOptical {
     }
     raw.endDraw();
     parent.image(raw, X, Y, DEPTH, FRAME_H_PIXELS);
-    i++;
+    if (frameNumber == -1) {
+    	i++;
+    }
   }
 
   private void unilateral (int y, int LINE_W) {
@@ -146,7 +169,7 @@ public class SoundtrackOptical {
       raw.line(LEFT + ((x * RAW_FRAME_W) / 8), y, LEFT + ((x * RAW_FRAME_W) / 8) + (LINE_W / 8), y);
     }
   }
-  
+  @SuppressWarnings("static-access")
   private void variableDensity(int y) {
     DENSITY = parent.map(frameSample[y], min, max, (float) 0, 255 * VOLUME);
     if (POSITIVE) {