java/examples/Basics/Arrays/ArrayObjects/ArrayObjects.pde

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+/**
+ * Array Objects. 
+ * 
+ * Demonstrates the syntax for creating an array of custom objects. 
+ * 
+ * Updated 26 February 2010.
+ */
+
+int unit = 40;
+int count;
+Module[] mods;
+
+
+void setup() {
+  size(320, 240);
+  background(176);
+  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));
+    }
+  }
+}
+
+
+void draw() {
+  for (int i = 0; i < count; i++) {
+    mods[i].update();
+    mods[i].draw();
+  }
+}
+

java/examples/Basics/Arrays/ArrayObjects/Module.pde

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+class Module {
+  int mx, my;
+  int big;
+  float x, y;
+  int xdir = 1;
+  int ydir = 1;
+  float speed; 
+  
+  // Contructor (required)
+  Module(int imx, int imy, int ix, int iy, float ispeed) {
+    mx = imx;
+    my = imy;
+    x = ix;
+    y = iy;
+    speed = ispeed;
+    big = unit;
+  }
+  
+  // Custom method for updating the variables
+  void update() {
+    x = x + (speed * xdir);
+    if (x >= big || x <= 0) {
+      xdir *= -1;
+      x = x + (1 * xdir);
+      y = y + (1 * ydir);
+    }
+    if (y >= big || y <= 0) {
+      ydir *= -1;
+      y = y + (1 * ydir);
+    }
+  }
+  
+  // Custom method for drawing the object
+  void draw() {
+    stroke(second() * 4);
+    point(mx+x-1, my+y-1);
+  }
+}

java/examples/Basics/Arrays/ArrayObjects/applet/ArrayObjects.java

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+import processing.core.*; 
+
+import java.applet.*; 
+import java.awt.*; 
+import java.awt.image.*; 
+import java.awt.event.*; 
+import java.io.*; 
+import java.net.*; 
+import java.text.*; 
+import java.util.*; 
+import java.util.zip.*; 
+import java.util.regex.*; 
+
+public class ArrayObjects extends PApplet {
+
+/**
+ * Array Objects. 
+ * 
+ * Demonstrates the syntax for creating an array of custom objects. 
+ */ 
+ 
+int unit = 40;
+int num;
+Module[] mods;
+
+public void setup() 
+{
+  size(200, 200);
+  background(176);
+  noStroke();
+  
+  num = width/unit * width/unit;
+  mods = new Module[num];
+  
+  for (int i=0; i<height/unit; i++) {
+    for(int j=0; j<height/unit; j++) {
+      int index = i*height/unit + j;
+      mods[index] = new Module(j*unit, i*unit, unit/2, unit/2, random(0.05f, 0.8f));  
+    }
+  }
+}
+
+public void draw() 
+{
+  for(int i=0; i<num; i++) {
+    mods[i].update();
+    mods[i].draw();
+  }
+}
+
+class Module {
+  float mx, my;
+  int size = unit;
+  float x, y = 0;
+  int xdir = 1;
+  int ydir = 1;
+  float speed; 
+  
+  // Contructor (required)
+  Module(float imx, float imy, float ix, float iy, float ispeed) {
+    mx = imy;
+    my = imx;
+    x = PApplet.parseInt(ix);
+    y = PApplet.parseInt(iy);
+    speed = ispeed;
+  }
+  
+  // Custom method for updating the variables
+  public void update() {
+    x = x + (speed * xdir);
+    if (x >= size || x <= 0) {
+      xdir *= -1;
+      x = x + (1 * xdir);
+      y = y + (1 * ydir);
+    }
+    if (y >= size || y <= 0) {
+      ydir *= -1;
+      y = y + (1 * ydir);
+    }
+  }
+  
+  // Custom method for drawing the object
+  public void draw() {
+    stroke(second()*4);
+    point(mx+x-1, my+y-1);
+  }
+}
+
+
+
+  static public void main(String args[]) {
+    PApplet.main(new String[] { "ArrayObjects" });
+  }
+}

java/examples/Basics/Arrays/ArrayObjects/applet/ArrayObjects.pde

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+/**
+ * Array Objects. 
+ * 
+ * Demonstrates the syntax for creating an array of custom objects. 
+ */ 
+ 
+int unit = 40;
+int num;
+Module[] mods;
+
+void setup() 
+{
+  size(200, 200);
+  background(176);
+  noStroke();
+  
+  num = width/unit * width/unit;
+  mods = new Module[num];
+  
+  for (int i=0; i<height/unit; i++) {
+    for(int j=0; j<height/unit; j++) {
+      int index = i*height/unit + j;
+      mods[index] = new Module(j*unit, i*unit, unit/2, unit/2, random(0.05, 0.8));  
+    }
+  }
+}
+
+void draw() 
+{
+  for(int i=0; i<num; i++) {
+    mods[i].update();
+    mods[i].draw();
+  }
+}
+
+class Module {
+  float mx, my;
+  int size = unit;
+  float x, y = 0;
+  int xdir = 1;
+  int ydir = 1;
+  float speed; 
+  
+  // Contructor (required)
+  Module(float imx, float imy, float ix, float iy, float ispeed) {
+    mx = imy;
+    my = imx;
+    x = int(ix);
+    y = int(iy);
+    speed = ispeed;
+  }
+  
+  // Custom method for updating the variables
+  void update() {
+    x = x + (speed * xdir);
+    if (x >= size || x <= 0) {
+      xdir *= -1;
+      x = x + (1 * xdir);
+      y = y + (1 * ydir);
+    }
+    if (y >= size || y <= 0) {
+      ydir *= -1;
+      y = y + (1 * ydir);
+    }
+  }
+  
+  // Custom method for drawing the object
+  void draw() {
+    stroke(second()*4);
+    point(mx+x-1, my+y-1);
+  }
+}
+
+