Lab4_Bird

int value =1;
int cenywing=250;
int ceny=250;
int cenx=250;
void setup() {
  size(500, 500);
}
void draw() { 
  int n=5;
  int count=1;
  int posX=50;
  int posY=-100;
  background(255);
  frameRate(40);
  background(255);
  if (value==1) {
    background(#DD0000);
  } else {
    background(#00DD00);
  }
  while (count<n) {
    draw_bird(posX, posY);
    count=count+1;
    posX=posX+50;
    posY=posY+100;
  }
  ceny=ceny+value;
  cenywing=cenywing+(value*2);
  if (ceny>280&&cenywing>290) {
    value--;
  } else if (ceny<200&&cenywing<220) {
    value++;
  }
  if (cenx>500) {
    cenx=cenx%500;
  }
  if (keyPressed) {
    if (key=='d'||key=='D') {
      cenx+=3;
    }
  }
}
void draw_bird(int posX, int posY) {
  int wing_L=100;
  int radius_head=50;
  strokeWeight(10);
  //right wing
  line(cenx+posX, ceny+posY, cenx+wing_L+posX, cenywing+posY);
  //left wing
  line(cenx+posX, ceny+posY, cenx-wing_L+posX, cenywing+posY);
  ellipse(cenx+posX, ceny+posY, radius_head, radius_head);
}