Modify a text file: $/2203-tree.pde

$/2203-tree.pde

////Moving tree

int treeX=100, treeY=100;
int treeDX=3, treeDY=2;

void setup()   //// Initialize
{
  size (600,300); //set the size of the window
  //set ellipse and rect to CENTER mode
  ellipseMode(CENTER);
  rectMode(CENTER);
  smooth();
}

void draw()   /// Make scene, move tree, draw tree
{
  makeScene();
  moveTree();
  drawTree();
}

void makeScene()    //// Sky, sun, ground, etc.  + text
{
  background(200,220,255);  //Draw a white BG
   fill(255,0,0); 
  text( "Click to reposition the tree!", 10, 20 );
  //+++++ sun, ground, etc.
}

void drawTree()        //// Draw the tree:  brown trunk, nested green ellipses for leaves.  
{
  //Draw trunk
  noStroke();
  fill(137,110,70);
  rect(treeX,treeY,20,100);

// Draw leaves:  ellipses (diff shades of green).
  fill(118,149,51);
  ellipse(treeX,treeY-60, 140,40);
  fill(144,175,78);
  ellipse(treeX,treeY-60, 100,40);
  fill(150,200,30);
  ellipse(treeX,treeY-60, 50,40);
}

void moveTree()    //// Change coords of tree.
{
  treeX=  (treeX + treeDX)  %  width; 
  treeY=  (treeY + treeDY)  %  height;
}

void mousePressed()    //// Repos tree
{
  treeX=  mouseX;
  treeY=  mouseY;
}