tree.cpp

行人模拟

//
// pedsim - A microscopic pedestrian simulation system. 
// Copyright (c) 2003 - 2004 by Christian Gloor
//                              
// You can redistribute and/or modify this program under the terms of
// the GNU General Public License.  See copying.txt for details.
// 

//using namespace std;

#include "main.h"
#include "tree.h"

extern TreeContainer tree;

// ----------------------------------------------------
// Name: constructor
// Description: set intial values
// Introduced: chgloor Monday, December 29, 2003 11:10:37
// ----------------------------------------------------
Ttree::Ttree() {
  static int staticid = 0;
  id = staticid++;
  x = 0;
  y = 0;
  vx = 0;
  vy = 0;
  energy = 100;
  dead = false; // well, who knows
  color = .5f + .5f * rand()/RAND_MAX;
  size = .3f + .4f * rand()/RAND_MAX;
  rotation = .0f + 360.0f * rand()/RAND_MAX;
};

// ----------------------------------------------------
// Name: hit
// Description: if an tree was hit by an agent 
// Introduced: chgloor Monday, December 29, 2003 14:06:36
// ----------------------------------------------------
void Ttree::hit() {
  energy = energy - 0.1 ;
  if (energy < 0) {
    dead = true;
  }
};


// ----------------------------------------------------
// Name: move
// Description: does nothing
// Introduced: chgloor Monday, December 29, 2003 11:10:58
// Return value: void
// ----------------------------------------------------
void Ttree::move() {
}