// Title: El barquito aventurero (Little Adventurer Boat)
// Description: This little boat is tireless, days and nights go over while it travels.


// Declaring variables
int worldRadius = 50; 
int move = -15;
int moonEndTime = 45; 
int moonStartTime = 15; 
int sunStartTime = 45;
int sunEndTime = 15;
int m = 0;


// Setup method

void setup(){
  size(300, 300);
  framerate(30);
}


// Draw method

void draw(){
  //a cycling degradee background for days and nights 
  colorMode(HSB);
  int milis = millis() % 60000;
  int seconds = (milis % 60000)/1000;
  int c = (seconds * 512)/60; 
  if(seconds > 30)
  {
    c = 512 - c;
  }
  background (128,200,255-c);
  colorMode(RGB);

  // Display title for each language
  PFont font;
  fill(230,100,40);
  font = loadFont("Algerian-22.vlw"); 
  textFont(font, 22); 
  if (millis() < 5000){
    text("El barquito aventurero", 10, 30); 
  }
  if (millis() >= 5000 && millis() <= 10000){
    text ("Little Adventurer Boat", 10, 30);
  }

  //draw and move Moon
  if(seconds > moonStartTime && seconds < moonEndTime){
    int moonTime = milis - moonStartTime*1000; 
    int moonTimeRange = (moonEndTime - moonStartTime)*1000;
    int moonX = (moonTime * width)/moonTimeRange;
    fill (180);
    ellipse (moonX, 30,15,15);
  }

  //draw and move the Sun
  int sunMillis = milis;
  if (seconds >= sunStartTime) 
  {
    sunMillis = sunMillis - sunStartTime*1000; 
  }
  else
  {
    sunMillis = sunMillis + sunEndTime*1000;
  }


  if (seconds >= sunStartTime || seconds <= sunEndTime)
  {
    int sunX = (sunMillis * width)/30000;
    fill (255,255,0);
    smooth();
    ellipse (sunX,240,40,40);
    stroke (255,255,0);
    strokeWeight (4);
    pushMatrix ();
    translate (sunX,240);
    line (0,35,0,-35);
    line (-25,25,25,-25); 
    line (-35,0,35,0);
    line (-25,-25,25,25);
    popMatrix();
  }

  // Move the origin to the center of the display
  translate(width/2, height/2);

  // Set the ellipses' properties for the world frame: color, anti-alias, and the thickness of the line 
  fill(28,214,185);
  smooth();
  stroke (0);
  strokeWeight(2);

  // Draw the world frame
  ellipse(0, 0, (worldRadius) * 2, (worldRadius) * 2);

  // Draw and move the boat

  fill (255);
  strokeWeight (2); 

  int[] xvals = {
    0, 8, 22, 14,-14,-22, 8, -8      };
  int[] yvals = {
    -75, -63, -63, -50,-50,-63, -63,-63      };
  float angle =radians(seconds*6);
  rotate(angle);

  beginShape(POLYGON);
  pushMatrix();
  for(int i = 0; i < xvals.length; i++) {
    vertex(xvals[i], yvals[i]);
  }
  endShape();
  popMatrix();

  //translate (width*2,height*2);
  
}