simple oscilating points

float xOffset = 25;

float yOffset = 25;

​

float xScale = 10;

float yScale = 10;

​

float xCount;

float yCount;

​

int pointColor = color(27, 25, 9);

​

void setup() {

  size (550, 550);

  stroke(pointColor);

  strokeWeight(4);

  xCount = (width-xOffset*2)/xScale;

  yCount = (height-yOffset*2)/yScale;

}

​

void draw() {

  background(color(245,247,232));

​

  for (int y=0; y<yCount; y++) {

    for (int x=0; x<=xCount; x++) {

      float xWaveScale = map (mouseX, 0, width, 0.5, 10.0);

      float yWaveScale = map (mouseY, 0, height, 0.5, 10.0);

      float xShift = sin((y*x+frameCount/2.0)/xWaveScale)*xScale/2;

      float yShift = sin((y+x+frameCount/3.0)/yWaveScale)*yScale/2;

      point (xOffset+x*xScale+xShift, yOffset+y*yScale+yShift);

    }

  }

}