// Samuel Roman
// MARCH 13 2012
// CST 112
// Project 4
//////////////////////

////|#declarations|\\\\
float centerX= width/2; 
float centerY= height/2;
float samX=150;
float samY=150;
float samW=40;
float samH=45;
float positionW=(samX-centerX)/centerX;
float positionH=(centerY-samY)/centerY;
float sunX=100; 
float sunY=45; 
float sunC= 255;
float gh=20; 
float gw=2; 
float gi=18;
float speedSy; 
float speedSx;
float distanceX;
float distanceY;
////////////////////////

void setup()
{
  size(600, 480);
  smooth();
  frameRate(30);
}

void draw()
{
  float sunDX= 5;
  scene();
  sam();
  grass();

  
}

void mousePressed()
{ // CLICK MOUSE TO RESPAWN SAM
  samX=150;
  samY=150;
}

void scene() { // BROWN GROUND  
  noStroke();
  background(191, 145, 19);
  fill(10, 10, 199); // BLUE SKY
  rect(0, 1, 600, 140);
  fill(sunC, sunC, 10); // YELLOW SUN
  ellipse(sunX, sunY, 65, 65);
  fill(0);
  text("Samuel Roman", 420, 30);
  text("TITLE: PROJECT 4 || Growing Grass", width/3, 20);
}

void sam()
{ // DECLARATIONS FOR CHARACTER "sam"
  distanceX=(mouseX-samX);
  distanceY=(mouseY-samY);
  speedSx = (2*distanceX /30);
  speedSy = (2*distanceY /30);
  samX+=speedSx;
  samY+=speedSy;
  centerX= width/2;  
  centerY= height/2;

  noStroke();
  charDisplay(samX, samY); // function to draw character
}

void charDisplay(float samX, float samY)
{ // Specifications of character
  noStroke();
  float xx= samX; 
  float yy= samY;
  float ww= samW;
  float hh= samH;

  fill(100, 50, 200);
  rect(xx, yy, ww, hh);
  ellipse(xx, yy, ww, hh);
  fill(255);// EYE SHAPE
  ellipse(xx-5, yy, ww/2, hh/2);
  ellipse(xx+5, yy, ww/2, hh/2);
  fill(0);// BLACK PUPILS
  ellipse(xx-5, yy, ww/4, hh/4);
  ellipse(xx+5, yy, ww/4, hh/4);
}
void grass()
{//Declarations used for Grass
  centerX=width/2;
  centerY=height/2;
  positionW=(samX-centerX)/centerX;
  positionH=(centerY-samY)/centerY;
  // short hand Declaration.
  float c1= centerX; 
  float p2= positionW; 
  float c3= centerY;
  float p4= positionH;

  stroke(0, 255, 0);// GRASS COLOR
  strokeWeight(3); // GRASS THICKNESS
  for (float i=0;i<=width;i+=gi)
  { 
    line(i, height, i+gh*p2, height-gh-p4*gh);
  }
}