00001 /* 00002 * Copyright (c) 2010, Maxim Likhachev 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * * Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * * Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * * Neither the name of the University of Pennsylvania nor the names of its 00014 * contributors may be used to endorse or promote products derived from 00015 * this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00018 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00021 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00022 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00023 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00024 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00025 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00026 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00027 * POSSIBILITY OF SUCH DAMAGE. 00028 */ 00029 00030 #ifndef _BRESENHAM3D_ 00031 #define _BRESENHAM3D_ 00032 00033 #include <vector> 00034 #include <iostream> 00035 #include <math.h> 00036 00037 typedef struct 00038 { 00039 int X1, Y1, Z1; 00040 int X2, Y2, Z2; 00041 int XIndex, YIndex, ZIndex; 00042 int UsingXYZIndex; 00043 int IncX, IncY, IncZ; 00044 int dx, dy, dz; 00045 int dx2, dy2, dz2; 00046 int err1, err2; 00047 } bresenham3d_param_t; 00048 00049 void get_bresenham3d_parameters(int p1x, int p1y, int p1z, int p2x, int p2y, int p2z, bresenham3d_param_t *params); 00050 00051 void get_current_point3d(bresenham3d_param_t *params, int *x, int *y, int *z); 00052 00053 int get_next_point3d(bresenham3d_param_t *params); 00054 00055 #endif