java/examples/Topics/File IO/SaveFrames/SaveFrames.pde

@@ -1,68 +0,0 @@
-/**
- * Save Frames
- * by Daniel Shiffman.  
- * 
- * This example demonstrates how to use saveFrame() to render
- * out an image sequence that you can assemble into a movie
- * using the MovieMaker tool.
- */
-
-// A boolean to track whether we are recording are not
-boolean recording = false;
-
-void setup() {
-  size(640, 360);
-  smooth();
-}
-
-void draw() {
-  background(0);
-  
-  // An arbitrary oscillating rotating animation 
-  // so that we have something to render
-  for (float a = 0; a < TWO_PI; a+= 0.2) {
-    pushMatrix();
-    translate(width/2, height/2);
-    rotate(a+sin(frameCount*0.004*a));
-    stroke(255);
-    line(-100, 0, 100, 0);
-    popMatrix();
-  }
-  
-  // If we are recording call saveFrame!
-  // The number signs (#) indicate to Processing to 
-  // number the files automatically
-  if (recording) {
-    saveFrame("output/frames####.png");
-  }
-   
-  // Let's draw some stuff to tell us what is happening
-  // It's important to note that none of this will show up in the
-  // rendered files b/c it is drawn *after* saveFrame()
-  textAlign(CENTER);
-  fill(255);
-  if (!recording) {
-    text("Press r to start recording.", width/2, height-24);
-  } 
-  else {
-    text("Press r to stop recording.", width/2, height-24);
-  }
-  
-  // A red dot for when we are recording
-  stroke(255);
-  if (recording) {
-    fill(255, 0, 0);
-  } else { 
-    noFill();
-  }
-  ellipse(width/2, height-48, 16, 16);
-}
-
-void keyPressed() {
-  
-  // If we press r, start or stop recording!
-  if (key == 'r' || key == 'R') {
-    recording = !recording;
-  }
-}
-

java/examples/Topics/File IO/SavingFrames/SavingFrames.pde

@@ -1,68 +0,0 @@
-/**
- * Saving Frames example
- * by Daniel Shiffman.  
- * 
- * This example demonstrates how to use saveFrame() to render
- * out an image sequence that you can assemble into a movie
- * using the MovieMaker tool.
- */
-
-// A boolean to track whether we are recording are not
-boolean recording = false;
-
-void setup() {
-  size(640, 360);
-  smooth();
-}
-
-void draw() {
-  background(0);
-  
-  // An arbitrary oscillating rotating animation 
-  // so that we have something to render
-  for (float a = 0; a < TWO_PI; a+= 0.2) {
-    pushMatrix();
-    translate(width/2, height/2);
-    rotate(a+sin(frameCount*0.004*a));
-    stroke(255);
-    line(-100, 0, 100, 0);
-    popMatrix();
-  }
-  
-  // If we are recording call saveFrame!
-  // The number signs (#) indicate to Processing to 
-  // number the files automatically
-  if (recording) {
-    saveFrame("output/frames####.png");
-  }
-   
-  // Let's draw some stuff to tell us what is happening
-  // It's important to note that none of this will show up in the
-  // rendered files b/c it is drawn *after* saveFrame()
-  textAlign(CENTER);
-  fill(255);
-  if (!recording) {
-    text("Press r to start recording.", width/2, height-24);
-  } 
-  else {
-    text("Press r to stop recording.", width/2, height-24);
-  }
-  
-  // A red dot for when we are recording
-  stroke(255);
-  if (recording) {
-    fill(255, 0, 0);
-  } else { 
-    noFill();
-  }
-  ellipse(width/2, height-48, 16, 16);
-}
-
-void keyPressed() {
-  
-  // If we press r, start or stop recording!
-  if (key == 'r' || key == 'R') {
-    recording = !recording;
-  }
-}
-

java/examples/Topics/Image Processing/Extrusion/Extrusion.pde

@@ -0,0 +1,49 @@
+/**
+ * Extrusion. 
+ * 
+ * Converts a flat image into spatial data points and rotates the points
+ * around the center.
+ */
+
+PImage a;
+boolean onetime = true;
+int[][] aPixels;
+int[][] values;
+float angle;
+
+void setup() {
+  size(640, 360, P3D);
+  
+  aPixels = new int[width][height];
+  values = new int[width][height];
+  noFill();
+
+  // Load the image into a new array
+  // Extract the values and store in an array
+  a = loadImage("ystone08.jpg");
+  a.loadPixels();
+  for (int i = 0; i < a.height; i++) {
+    for (int j = 0; j < a.width; j++) {
+      aPixels[j][i] = a.pixels[i*a.width + j];
+      values[j][i] = int(blue(aPixels[j][i]));
+    }
+  }
+}
+
+void draw() {
+  background(0);
+  translate(width/2, height/2, -height/2);
+  scale(2.0);
+  
+  // Update and constrain the angle
+  angle += 0.005;
+  rotateY(angle);  
+  
+  // Display the image mass
+  for (int i = 0; i < a.height; i += 4) {
+    for (int j = 0; j < a.width; j += 4) {
+      stroke(values[j][i], 255);
+      line(j-a.width/2, i-a.height/2, -values[j][i], j-a.width/2, i-a.height/2, -values[j][i]-10);
+    }
+  }
+}