//*****************************************************************************
// TITLE:         Edge-Triangle Intersection 
// DESCRIPTION:   Solution for class projects. Assumes general position. 
// AUTHOR:        Prof Jarek Rossignac
// DATE CREATED:  August 2008
// EDITS:         Lines modified from the sample code given are marked wuth //*: and numbered in the order of creation 
//*****************************************************************************
boolean showHelpText=true;       // toggled by keys to show/hide help text
boolean debugging=false;           // temporarily set when key '?' is pressed (see TAB UI). can be used to print some debugging statements once

void setup() { 
  size(600, 600);                                                   // set window size
  smooth();                                                         // activates antialiasing (slower but removes jaggies). Incompatible with P3D
  setColors();                                                      // assigns colors in TAB colors
  PFont font = loadFont("ArialMT-24.vlw"); textFont(font, 18);      // *:44 load font 
  declarePoints(); resetPoints();                                   // initializes vertices in TAB polygon
  } 

void draw() { 
  background(121);  // sets background
  if (showHelpText) showHelp();                                     // show help text OR
  else myActions();                                                 // execute my actions in TAB actions
  debugging=false;                                                    // reset debugging to avoid printing twice
  };  // end of draw