/*
  file name: mmoore2a.cpp
  written by: maui moore
  date: 15 November 2007

  description: file containing definition of mmoore2LitPalmTree function 
  delcared in "mmoore2a.h"

*/

void mmoore2LitPalmTree(twTriple palmColor1,twTriple palmColor2, 
			 twTriple palmColor3, twTriple coconutColor, 
			 twTriple trunkColor, float treeBase, int treeHeight)
{
  
  /* make the trunk using a trunkColored cone */
  twColor(trunkColor,.1,25); //trunk should not be very shiny
  
  glPushMatrix();
  
  /* placement of tree in bounding box is related to height of tree */
  glTranslatef((treeHeight/2),0,(treeHeight/2));
  glRotatef(270,1,0,0);
  
  /* trunk is a stack of cones */
  for (int i=0; i < treeHeight-1; i ++){
    glTranslatef(0,0,1);
    glutSolidCone(treeBase,2,100,100);
  }

  glPopMatrix();

  /* make the crown using cones */
  /* each palm frond is 2/3 height of tree */
  /* the crown has 3 layers of palm fronds, one of each palmColor# */
  /* each layers is coded in a separate for loop that changes the /*
  /* axis/axes and angle of rotation of each cone*/

  /* first layer of crown */
  twColor(palmColor1,1.0,20); 
  
  /* first frond doesn't need to be rotated and so is not encoded in loop */
  glPushMatrix();
  
  /* bases of all fronds placed at apex of top cone */
  glTranslatef((treeHeight/2),treeHeight,(treeHeight/2));

  glutSolidCone(treeBase/2,(2*treeHeight)/3,100,100);

  glPopMatrix();
  
  for (int i = 90; i <360; i+=90){
    glPushMatrix();
   
    glTranslatef((treeHeight/2),treeHeight,(treeHeight/2));
    glRotatef(i,1,1,0); 
    glutSolidCone(treeBase/2,(2*treeHeight)/3,100,100);

    glPopMatrix();
  }
   
  /* second layer of crown */
  twColor(palmColor2, .1, 75); /* just experimenting with diff. values */

  for (int i=45;i<360;i+=90){
    glPushMatrix();
   
    glTranslatef((treeHeight/2),treeHeight,(treeHeight/2));
    glRotatef(i,0,1,0);
    glutSolidCone(treeBase/2,(2*treeHeight)/3,100,100);

    glPopMatrix();
  }
   
  /* 3rd layer of crown */
  twColor(palmColor3, 0, 10); 
  for (int i=45; i<360; i+=45){
    glPushMatrix();
    glTranslatef((treeHeight/2),treeHeight,(treeHeight/2));
    glRotatef(i,0,1,1);
    glutSolidCone(treeBase/2,(2*treeHeight)/3,100,100);
    glPopMatrix();
  }

}