//boat
float boatX=200, boatY=225, boatDX=1;

///waves
//--  float wavesX=0, wavesY=240, wavesDX=2;
float wavesStart=0;

//button to move octopus
float buttonX=50, buttonY=50;
float bh=50, bw=100;
///octopus
float octopusX=400, octopusY=500; 
float octopusDX=2, octopusDY=2;
float w=50, h=65;
int r=200,g=50,b=200;

void setup(){
  size(700,700);
}

void draw(){
  //brings up help screen
  if (key=='?'||key=='/'){
    help();
  }else{
  scene();  
  action();
    }
}

void action(){
  octopus();
  boat();
  button();
}

void help(){
  text("MICHAEL HOTETZ",width/2-50,50);
  text("PROJECT NUMBER THREE",width/2-75,80);
}
  
void scene(){
//sky
background(140,214,240);
//sea
rectMode(CORNER);
fill(28,185,153);
rect(0,250,800,600);
fill(0);
text("PRESS ? FOR HELP",50,150);
grass();
waves();
}
  

void mousePressed(){
 //changes octopus color when clicked
  if (hit(octopusX,octopusY,w,h)){
    r=  int( random( 100, 250) );
    g=  int( random( 0,100 ));
    b=  int( random( 100, 250));
  }
  //changes x and y values of octopus when button is clicked
  if ( hit( buttonX,buttonY, bw,bh )  ){
    octopusX=random(50,width-50);
    octopusY=random(300,height-50);
  }
}
///creates boolean
boolean hit( float x, float y, float w, float h) {
  //// Return true iff mouse within rect at x,y
  boolean result=true;
  float top=  y - h/2, bottom=y+h/2, left=x-w/2, right=x+w/2;
  if (mouseX < left )    result=  false;
  if (mouseY > right )    result=  false;
  if (mouseY < top )    result=  false;
  if (mouseY > bottom )    result=  false;
  return result;
  /*
  mouseX > X-w/2  && mouseX < X+w/2 
  && mouseY > Y-h/2  && mouseY < Y+h/2 ;
  */
}


 void octopus(){
  
////bounce off walls
octopusX+=octopusDX;
octopusY+=octopusDY;
if (octopusX>width-20||octopusX<25){
  octopusDX*=-1;
}
if (octopusY>height-50||octopusY<315){
  octopusDY*=-1;
}

////draws octopus
fill(r,g,b);
rectMode(CENTER);
noStroke();

//body
rect(octopusX,octopusY,50,40);
ellipse(octopusX,octopusY-20,50,50);

//legs that moves dependent on direction
strokeWeight(7);
stroke(r,g,b);
//moves legs back and forth
//@bam 6 legs looked and fit nicer, input 6.25 instead of 12.5 for 8 legs
//might also have to lower strokeWeight
for (float l=octopusX-20;(l<octopusX+25);l=l+12.5){  
  if (octopusDX==2){
  line(l,octopusY+20,l-10,octopusY+35);
  }else{
  line(l,octopusY+20,l+10,octopusY+35);
  }
}
///eye that moves dependent on direction
noStroke();
if (octopusDX==2){
  fill(255);
  ellipse(octopusX+6.25,octopusY-30,15,15);
  fill(0);
  //pupil
  if (octopusDY==2){
  ellipse(octopusX+9.75,octopusY-28,7.5,7.5);
  }else{
  ellipse(octopusX+9.75,octopusY-32,7.5,7.5);
  }
}else{
  fill(255);
  ellipse(octopusX-6.25,octopusY-30,15,15);
  fill(0);
  //pupil
  if (octopusDY==2){
  ellipse(octopusX-9.75,octopusY-28,7.5,7.5);
  }else{
  ellipse(octopusX-9.75,octopusY-32,7.5,7.5);
  }
}
}

void boat(){
  fill(82,59,34);
  ///bounces boat of x boundries
  boatX+=boatDX;
  if (boatX>width-100 || boatX<100){
    boatDX*=-1;
  }
  ///boats hull
  //vibrates boat with water
  arc(boatX,boatY-random(1),200,100,0,PI);
  ///flag pole
  stroke(82,59,34);
  strokeWeight(10);
  line(boatX,boatY,boatX,boatY-100);
  ///reset stroke
  noStroke();
  //flag
  fill(255);
  if (boatDX==1){
  triangle(boatX+10,boatY-100,boatX+10,boatY-10,boatX+100,boatY-10);
}else{
  triangle(boatX-10,boatY-100,boatX-10,boatY-10,boatX-100,boatY-10);
}
}

void waves(){
  ///creats wave that vibrate accross the screen
  float wavesX=0, wavesY=240, wavesDX=-2;

  if (frameCount % 10 == 0) wavesStart=  (wavesStart+1) % 50;
  wavesX = wavesStart - 50;
  text( wavesStart, 10,10 );

  while(wavesX < width+50){
    fill(140,214,240);
    stroke(7,108,51);
    arc(wavesX,wavesY-random(1),50,50,0,PI);
    wavesX=  wavesX+50;
  }
}
void grass(){
strokeWeight(4);
stroke(70,131,52);
////makes grass move sway dependent on octopus direction
int g=0;
while (g<width+50){
  if (octopusDX==2){
  line(g,800,g+20,height-50);
  }else{
    line(g,height,g-20,height-50);
  }
  g=g+20;
}
}
void button(){
  ///draws button to move octopus around
  fill(25,7,234);
  stroke(0);
  strokeWeight(2);
  rect(buttonX+30,buttonY,100,50);
  fill(255);
  text("CLICK ME!",buttonX,buttonY);
  noStroke();
}