ejemplos de ciclo for

//ejemplos de ciclo for

int ancho=800, alto=600;

void setup(){
  size(ancho,alto,P3D);                          //para activar rotateZ, activar P3D
}

void draw(){
  background(255);
  noFill();
  ellipseMode(CORNER);
  for(int i=0;i<=width;i=i+5){                  //for(inicio; condicion; variacion)
    strokeWeight(1);
    line(i,0,i,height);
  }

  for(int j=50;j<=width-100;j=j+50){
      for(int k=50;k<=height-100;k=k+50){
        strokeWeight(2);
        ellipse(j,k,45,45);
      }
  }
}

/*
void draw(){
  background(255);
  
  translate(width/2,height/2);
  rotateY(radians(frameCount));
  
  pushMatrix();
  rotate(radians(frameCount));
  rotate(-radians(frameCount));
  for(int j=0;j<=width;j=j+4){
        line(0,j,width,j);
      }
  popMatrix();
  
  pushMatrix();
  rotate(-radians(frameCount));
  for(int i=0;i<=width;i=i+6){
    line(i,0,i,height);
  }
  popMatrix(); 
}
*/