Initial Commit

Java/Processing/processing-3.3.6/modes/java/examples/Basics/Arrays/Array/Array.pde

@@ -0,0 +1,50 @@
+/**
+ * Array. 
+ * 
+ * An array is a list of data. Each piece of data in an array 
+ * is identified by an index number representing its position in 
+ * the array. Arrays are zero based, which means that the first 
+ * element in the array is [0], the second element is [1], and so on. 
+ * In this example, an array named "coswav" is created and
+ * filled with the cosine values. This data is displayed three 
+ * separate ways on the screen.  
+ */
+
+
+float[] coswave; 
+
+void setup() {
+  size(640, 360);
+  coswave = new float[width];
+  for (int i = 0; i < width; i++) {
+    float amount = map(i, 0, width, 0, PI);
+    coswave[i] = abs(cos(amount));
+  }
+  background(255);
+  noLoop();
+}
+
+void draw() {
+
+  int y1 = 0;
+  int y2 = height/3;
+  for (int i = 0; i < width; i++) {
+    stroke(coswave[i]*255);
+    line(i, y1, i, y2);
+  }
+
+  y1 = y2;
+  y2 = y1 + y1;
+  for (int i = 0; i < width; i++) {
+    stroke(coswave[i]*255 / 4);
+    line(i, y1, i, y2);
+  }
+  
+  y1 = y2;
+  y2 = height;
+  for (int i = 0; i < width; i++) {
+    stroke(255 - coswave[i]*255);
+    line(i, y1, i, y2);
+  }
+  
+}

Java/Processing/processing-3.3.6/modes/java/examples/Basics/Arrays/Array2D/Array2D.pde

@@ -0,0 +1,41 @@
+/**
+ * Array 2D. 
+ * 
+ * Demonstrates the syntax for creating a two-dimensional (2D) array.
+ * Values in a 2D array are accessed through two index values.  
+ * 2D arrays are useful for storing images. In this example, each dot 
+ * is colored in relation to its distance from the center of the image. 
+ */
+
+float[][] distances;
+float maxDistance;
+int spacer;
+
+void setup() {
+  size(640, 360);
+  maxDistance = dist(width/2, height/2, width, height);
+  distances = new float[width][height];
+  for (int y = 0; y < height; y++) {
+    for (int x = 0; x < width; x++) {
+      float distance = dist(width/2, height/2, x, y);
+      distances[x][y] = distance/maxDistance * 255;
+    }
+  }
+  spacer = 10;
+  strokeWeight(6);
+  noLoop();  // Run once and stop
+}
+
+void draw() {
+  background(0);
+  // This embedded loop skips over values in the arrays based on
+  // the spacer variable, so there are more values in the array
+  // than are drawn here. Change the value of the spacer variable
+  // to change the density of the points
+  for (int y = 0; y < height; y += spacer) {
+    for (int x = 0; x < width; x += spacer) {
+      stroke(distances[x][y]);
+      point(x + spacer/2, y + spacer/2);
+    }
+  }
+}

Java/Processing/processing-3.3.6/modes/java/examples/Basics/Arrays/ArrayObjects/ArrayObjects.pde

@@ -0,0 +1,33 @@
+/**
+ * Array Objects. 
+ * 
+ * Demonstrates the syntax for creating an array of custom objects. 
+ */
+
+int unit = 40;
+int count;
+Module[] mods;
+
+void setup() {
+  size(640, 360);
+  noStroke();
+  int wideCount = width / unit;
+  int highCount = height / unit;
+  count = wideCount * highCount;
+  mods = new Module[count];
+
+  int index = 0;
+  for (int y = 0; y < highCount; y++) {
+    for (int x = 0; x < wideCount; x++) {
+      mods[index++] = new Module(x*unit, y*unit, unit/2, unit/2, random(0.05, 0.8), unit);
+    }
+  }
+}
+
+void draw() {
+  background(0);
+  for (Module mod : mods) {
+    mod.update();
+    mod.display();
+  }
+}

Java/Processing/processing-3.3.6/modes/java/examples/Basics/Arrays/ArrayObjects/Module.pde

@@ -0,0 +1,39 @@
+class Module {
+  int xOffset;
+  int yOffset;
+  float x, y;
+  int unit;
+  int xDirection = 1;
+  int yDirection = 1;
+  float speed; 
+  
+  // Contructor
+  Module(int xOffsetTemp, int yOffsetTemp, int xTemp, int yTemp, float speedTemp, int tempUnit) {
+    xOffset = xOffsetTemp;
+    yOffset = yOffsetTemp;
+    x = xTemp;
+    y = yTemp;
+    speed = speedTemp;
+    unit = tempUnit;
+  }
+  
+  // Custom method for updating the variables
+  void update() {
+    x = x + (speed * xDirection);
+    if (x >= unit || x <= 0) {
+      xDirection *= -1;
+      x = x + (1 * xDirection);
+      y = y + (1 * yDirection);
+    }
+    if (y >= unit || y <= 0) {
+      yDirection *= -1;
+      y = y + (1 * yDirection);
+    }
+  }
+  
+  // Custom method for drawing the object
+  void display() {
+    fill(255);
+    ellipse(xOffset + x, yOffset + y, 6, 6);
+  }
+}