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/* RCSid: $Id$ */ |
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/* |
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* cone.h - header file for cones (cones, cylinders, rings, cups, tubes). |
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* |
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* Storage of arguments in the cone structure is a little strange. |
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* To save space, we use an index into the real arguments of the |
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* object structure through ca. The indices are for the axis |
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* endpoints and radii: p0, p1, r0 and r1. |
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* |
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* 2/12/86 |
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*/ |
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|
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/* ==================================================================== |
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* The Radiance Software License, Version 1.0 |
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* |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
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* if any, must include the following acknowledgment: |
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* "This product includes Radiance software |
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* (http://radsite.lbl.gov/) |
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* developed by the Lawrence Berkeley National Laboratory |
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* (http://www.lbl.gov/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
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* and "The Regents of the University of California" must |
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* not be used to endorse or promote products derived from this |
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* software without prior written permission. For written |
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* permission, please contact [email protected]. |
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* |
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* 5. Products derived from this software may not be called "Radiance", |
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* nor may "Radiance" appear in their name, without prior written |
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* permission of Lawrence Berkeley National Laboratory. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
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* information on Lawrence Berkeley National Laboratory, please see |
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* <http://www.lbl.gov/>. |
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*/ |
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|
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typedef struct cone { |
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FLOAT *ca; /* cone arguments (o->oargs.farg) */ |
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char p0, p1; /* indices for endpoints */ |
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char r0, r1; /* indices for radii */ |
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FVECT ad; /* axis direction vector */ |
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FLOAT al; /* axis length */ |
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FLOAT sl; /* side length */ |
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FLOAT (*tm)[4]; /* pointer to transformation matrix */ |
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} CONE; |
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|
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#define CO_R0(co) ((co)->ca[(co)->r0]) |
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#define CO_R1(co) ((co)->ca[(co)->r1]) |
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#define CO_P0(co) ((co)->ca+(co)->p0) |
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#define CO_P1(co) ((co)->ca+(co)->p1) |
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|
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#ifdef NOPROTO |
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|
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extern CONE *getcone(); |
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extern void freecone(); |
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extern void conexform(); |
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|
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#else |
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|
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extern CONE *getcone(OBJREC *o, int getxf); |
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extern void freecone(OBJREC *o); |
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extern void conexform(CONE *co); |
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|
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#endif |