float x;
float y;
float a;
float b;
float c;
float d;
float e;
float f;
float g;
float h;
float i;
float j;
float k;
float l;
float m;
float n;
float o;
float p;
float r1;
float r2;
float r3;
int hikou = 0;
int timer=millis();
PFont myFont;

void setup(){
 size(500,500);
 frameRate(60);
 x=width/2;
 y=height/2;
 a=width;
 b=height/2;
 c=width-300;
 d=height/3;
 e=width+100;
 f=height/4;
 g=width+200;
 h=height/5;
 i=width+300;
 j=height/6;
 k=width-200;
 l=height/7;
 m=width/3;
 n=height/4;
 o=width+100;
 p=height-100;
 r1=100;
 r2=50;
 r3=80;
}

void draw(){
background(45,180,250);
if(hikou== 0){
  noStroke();
  kumo1(m,n);
  kumo2(o,p);
  myFont=createFont("メイリオ",20);
  textFont(myFont);
  textSize(30);
  fill(255);
  text("Click to start!",160,390);
  x=width/2;
  y=height/2;
  a=480;
  b=height/2;
  m=width/3;
  n=height/4;
  o=width+100;
  p=height-100;
  timer=0;
    if(mousePressed == true){ //初めにクリックしたとき
      hikou = 1;
      y-=2;
      timer+=1000;
    }
    }else if(mousePressed){  //気球が浮く
  y-=2;
}else{  
  y+=1;
}
if(y>height-80){  //下画面外に出ない
  y=height-80;
}
if(y<50){
  y=50;
}

m-=0.3; //雲1が右から
if(m < -100){
  m = width+100;
  n = random(height/2);
}
noStroke();
kumo1(m,n);

o-=0.3; //雲2が右から
if(o < -100){
  o = width+100;
  p = random(height/2,height);
}
kumo2(o,p);

stroke(0);
kikyuu(x,y);

smooth();
a-=1; //障害物1が右から
if(a < 0){
  a = width+10;
  b = random(height);
}
bird1(a,b);

timer+=17;
if(timer<15000){  //10m超えたら鳥追加
  c=-50;
}else{
  c-=1; //障害物2
if(c < 0){
  c = width+10;
  d = random(height/2);  //この範囲で
  }
}
bird2(c,d);

if(timer<20000){
  e=-50;
}else{
  e-=1; //障害物3
if(e < 0){
  e = width+10;
  f = random(height/2,height);  //この範囲で
  }
}
bird3(e,f);

if(timer<25000){
  g=-50;
}else{
  g-=1; //障害物4
if(g < 0){
  g = width+10;
  h = random(height/2,height);  //この範囲で
  }
}
bird4(g,h);

if(timer<30000){
  i=-50;
}else{
  i-=1; //障害物5
if(i < 0){
  i = width+10;
  j = random(height/2);  //この範囲で
  }
}
bird5(i,j);

if(timer<40000){
  k=-50;
}else{
  k-=1; //障害物6
if(k < 0){
  k = width+10;
  l = random(height);  //この範囲で
  }
}
bird6(k,l);

textSize(50);
fill(38,38,38);
text(nf(timer/1000, 1)+"  m",30,50);//スコア

textSize(22);  //右下の文字
fill(38,38,38,80);
text("Keep clicking:UP",300,450);
text("Avoid bird!",345,480);

if(dist(x,y,a,b)<=r3){ //1の敵に当たるとゲームオーバー
  background(38,96,173);
  textSize(60);
  fill(218,225,33);
  text("GAME OVER",80,height/4);
  textSize(50);
  fill(255,255,255);
  text(nf(timer/1000, 1)+"  m",190,200);
  kikyuu(250,300);
  textSize(30);
  fill(255,255,255);
  text("Press ENTER Key",130,450);
  noLoop();
}
if(dist(x,y,c,d)<=r3){ //2の敵に当たるとゲームオーバー
  background(38,96,173);
  textSize(60);
  fill(218,225,33);
  text("GAME OVER",80,height/4);
  textSize(50);
  fill(255,255,255);
  text(nf(timer/1000, 1)+"  m",190,200);
  kikyuu(250,300);
  textSize(30);
  fill(255,255,255);
  text("Press ENTER Key",130,450);
  noLoop();
}
if(dist(x,y,e,f)<=r3){ //3の敵に当たるとゲームオーバー
 background(38,96,173);
  textSize(60);
  fill(218,225,33);
  text("GAME OVER",80,height/4);
  textSize(50);
  fill(255,255,255);
  text(nf(timer/1000, 1)+"  m",190,200);
  kikyuu(250,300);
  textSize(30);
  fill(255,255,255);
  text("Press ENTER Key",130,450);
  noLoop();
}
if(dist(x,y,g,h)<=r3){ //4の敵に当たるとゲームオーバー
  background(38,96,173);
  textSize(60);
  fill(218,225,33);
  text("GAME OVER",80,height/4);
  textSize(50);
  fill(255,255,255);
  text(nf(timer/1000, 1)+"  m",190,200);
  kikyuu(250,300);
  textSize(30);
  fill(255,255,255);
  text("Press ENTER Key",130,450);
  noLoop();
}
if(dist(x,y,i,j)<=r3){ //5の敵に当たるとゲームオーバー
  background(38,96,173);
  textSize(60);
  fill(218,225,33);
  text("GAME OVER",80,height/4);
  textSize(50);
  fill(255,255,255);
  text(nf(timer/1000, 1)+"  m",190,200);
  kikyuu(250,300);
  textSize(30);
  fill(255,255,255);
  text("Press ENTER Key",130,450);
  noLoop();
}
if(dist(x,y,k,l)<=r3){ //6の敵に当たるとゲームオーバー
  background(38,96,173);
  textSize(60);
  fill(218,225,33);
  text("GAME OVER",80,height/4);
  textSize(50);
  fill(255,255,255);
  text(nf(timer/1000, 1)+"  m",190,200);
  kikyuu(250,300);
  textSize(30);
  fill(255,255,255);
  text("Press ENTER Key",130,450);
  noLoop();
}
}

void keyPressed(){  //ENTERキーを押すとスタートに戻る
if(key==ENTER){
  hikou=0;
  loop();
  }
}

void kikyuu(float x,float y){
  line(x-20,y,x-10,y+60);//左
  line(x,y,x,y+60);//真ん中
  line(x+20,y,x+10,y+60);//右
  fill(251,231,49);
  ellipse(x,y,r1,r1);//本体
  fill(184,139,70);
  rect(x-20,y+60,40,20);//箱
}

void bird1(float a,float b){
  fill(244,250,37);
  triangle(a-r2+30,b-8,a-r2+30,b+10,a-r2+20,b);//くちばし
  fill(28,255,255);
  arc(a,b,r2,r2,0,PI);//下体
  arc(a-r2/4,b+1,r2/2,r2/2,PI,TWO_PI);//上体
  fill(28,5,255);
  triangle(a+r2/3,b-10,a+r2/4,b+10,a-10,b+10);//翼
}

void bird2(float c,float d){  //緑
  fill(244,250,37);
  triangle(c-r2+30,d-8,c-r2+30,d+10,c-r2+20,d);//くちばし
  fill(171,255,127);
  arc(c,d,r2,r2,0,PI);//下体
  arc(c-r2/4,d+1,r2/2,r2/2,PI,TWO_PI);//上体
  fill(0,230,65);
  triangle(c+r2/3,d-10,c+r2/4,d+10,c-10,d+10);//翼
}  

void bird3(float e,float f){  //ピンク
  fill(244,250,37);
  triangle(e-r2+30,f-8,e-r2+30,f+10,e-r2+20,f);//くちばし
  fill(242,216,223);
  arc(e,f,r2,r2,0,PI);//下体
  arc(e-r2/4,f+1,r2/2,r2/2,PI,TWO_PI);//上体
  fill(249,37,00);
  triangle(e+r2/3,f-10,e+r2/4,f+10,e-10,f+10);//翼
}

void bird4(float g,float h){ //黒
  fill(244,250,37);
  triangle(g-r2+30,h-8,g-r2+30,h+10,g-r2+20,h);//くちばし
  fill(155,155,155);
  arc(g,h,r2,r2,0,PI);//下体
  arc(g-r2/4,h+1,r2/2,r2/2,PI,TWO_PI);//上体
  fill(38,38,38);
  triangle(g+r2/3,h-10,g+r2/4,h+10,g-10,h+10);//翼
}

void bird5(float i,float j){  //紫
  fill(244,250,37);
  triangle(i-r2+30,j-8,i-r2+30,j+10,i-r2+20,j);//くちばし
  fill(213,160,224); 
  arc(i,j,r2,r2,0,PI);//下体
  arc(i-r2/4,j+1,r2/2,r2/2,PI,TWO_PI);//上体
  fill(167,107,223);
  triangle(i+r2/3,j-10,i+r2/4,j+10,i-10,j+10);//翼
}

void bird6(float k,float l){
  fill(244,250,37);
  triangle(k-r2+30,l-8,k-r2+30,l+10,k-r2+20,l);//くちばし
  fill(248, 220,  133);
  arc(k,l,r2,r2,0,PI);//下体
  arc(k-r2/4,l+1,r2/2,r2/2,PI,TWO_PI);//上体
  fill(255,183,76);
  triangle(k+r2/3,l-10,k+r2/4,l+10,k-10,l+10);//翼
}

void kumo1(float m,float n){
  fill(255);
  ellipse(m,n,180,100);
}

void kumo2(float o,float p){
  fill(255);
  ellipse(o,p,180,100);
}

//参考出典：http://wise9.jp/archives/1992
//          Processingをはじめよう(著：Casey Reas、Ben Fry、訳：船田 巧)