gaocegege · January 29, 2016 10:50
diff --git a/2d-array.pde b/2d-array.pde
 // 2D Array of objects
 System sys;

 // Number of columns and cols in the grid
 // cols need to > 35 to support the gun test
 int cols = 50;

 void setup() {
  size(400, 400);
  sys = new System(cols, 400 / cols);
 }

 void draw() {
  background(0);
  sys.display();
 }


 // A Cell object
 class Cell {
  // A cell object knows about its location in the grid as well as its size with the variables x,y,w,h.
  float x,y;   // x,y location
  float w,h;   // width and height
  float angle; // angle for oscillating brightness
  color cor;

  // Cell Constructor
  Cell(float tempX, float tempY, float tempW, float tempH, color tempCor) {
    x = tempX;
    y = tempY;
    w = tempW;
    h = tempH;
    cor = tempCor;
  }

  void display() {
    stroke(255);
    // Color calculated using sine wave
    fill(cor);
    rect(x,y,w,h); 
  }
 }

 class System {
  Cell[][] grid;
  int cols;
  
  System(int tempCols, int size) {
    color[] colors = new color[3];
    colors[0] = color(255, 0, 0);
    colors[1] = color(0, 255, 0);
    colors[2] = color(0, 0, 255);
    
    cols = tempCols;
    grid = new Cell[cols][cols];
    for (int i = 0; i < cols; i++) {
      for (int j = 0; j < cols; j++) {
        // Initialize each object
        grid[i][j] = new Cell(i*size,j*size,size,size,colors[int(random(0, 3))]);
      }
    }
  }
  
  void display() {
    // The counter variables i and j are also the column and row numbers and 
    // are used as arguments to the constructor for each object in the grid.  
    for (int i = 0; i < cols; i++) {
      for (int j = 0; j < cols; j++) {
        grid[i][j].display();
      }
    }
  }
 }
	// 2D Array of objects
	System sys;

	// Number of columns and cols in the grid
	// cols need to > 35 to support the gun test
	int cols = 50;

	void setup() {
	size(400, 400);
	sys = new System(cols, 400 / cols);
	}

	void draw() {
	background(0);
	sys.display();
	}


	// A Cell object
	class Cell {
	// A cell object knows about its location in the grid as well as its size with the variables x,y,w,h.
	float x,y; // x,y location
	float w,h; // width and height
	float angle; // angle for oscillating brightness
	color cor;

	// Cell Constructor
	Cell(float tempX, float tempY, float tempW, float tempH, color tempCor) {
	x = tempX;
	y = tempY;
	w = tempW;
	h = tempH;
	cor = tempCor;
	}

	void display() {
	stroke(255);
	// Color calculated using sine wave
	fill(cor);
	rect(x,y,w,h);
	}
	}

	class System {
	Cell[][] grid;
	int cols;

	System(int tempCols, int size) {
	color[] colors = new color[3];
	colors[0] = color(255, 0, 0);
	colors[1] = color(0, 255, 0);
	colors[2] = color(0, 0, 255);

	cols = tempCols;
	grid = new Cell[cols][cols];
	for (int i = 0; i < cols; i++) {
	for (int j = 0; j < cols; j++) {
	// Initialize each object
	grid[i][j] = new Cell(isize,jsize,size,size,colors[int(random(0, 3))]);
	}
	}
	}

	void display() {
	// The counter variables i and j are also the column and row numbers and
	// are used as arguments to the constructor for each object in the grid.
	for (int i = 0; i < cols; i++) {
	for (int j = 0; j < cols; j++) {
	grid[i][j].display();
	}
	}
	}
	}