iomikron_Patterns_pattern-01

// PATTERNS pattern-01
//********************************************************************************************
// iomikron.tumblr.com - You can use and modify this software for free. Sharing your code with
// others is highly recommended. Please credit me, keeping these lines of comments.
//********************************************************************************************

float phi;

int dim = 60;

float[][][] grid = new float[dim][dim][2];
float[][][] pertub = new float[dim][dim][2];
int[][] rectColor = new color[dim][dim];

void setup()
{
  size(600, 500);

  for(int i = 0; i < dim; i++)
    {
       for(int j = 0; j < dim; j++)
       {
          grid[i][j][0] = i*width/dim*1.3-5;
          grid[i][j][1] = j*height/dim*1.3-5;

          pertub[i][j][0] = pow(-1, int(random(2,4)))*random(1,width/dim*0.1);
          pertub[i][j][1] = pow(-1, int(random(2,4)))*random(1,width/dim*0.1);
       }
    }

 for(int i = 1; i < dim-1; i++)
    {
       for(int j = 1; j < dim-1; j++)
       {
        grid[i][j][0] += pertub[i][j][0];
        grid[i][j][1] += pertub[i][j][1];
       }
    }

 for(int i = 0; i < dim; i++)
    {
       for(int j = 0; j < dim; j++)
       {
        rectColor[i][j] = int(random(50,100));
        }
    }

  phi = 0.75;
}

void draw()
{
  background(100);

  for(int i = 1; i < dim-1; i++)
    {
      for(int j = 1; j < dim-1; j ++)
        {
          pertub[i][j][0] =
            pertub[i][j][0]*cos(0.5*j*phi + i) + 1.;

          pertub[i][j][1] =
            pertub[i][j][1]*cos(0.5*i*phi + j) + 1.;
        }
    }

  for(int i = 0; i < dim-1; i++)
    {
      for(int j = 0; j < dim-1; j ++)
        {
          stroke(color(255, 170, 85));
          strokeWeight(0.35);
          fill(rectColor[i][j]);
          quad(
                grid[i][j][0] + pertub[i][j][0],
                grid[i][j][1] + pertub[i][j][1],
                grid[i+1][j][0] + pertub[i+1][j][0],
                grid[i+1][j][1] + pertub[i+1][j][1],
                grid[i+1][j+1][0] + pertub[i+1][j+1][0],
                grid[i+1][j+1][1] + pertub[i+1][j+1][1],
                grid[i][j+1][0] + pertub[i][j+1][0],
                grid[i][j+1][1] + pertub[i][j+1][1]);
        }
    }

  phi += 0.05;


}