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75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
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/*
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Vector.h
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A vector math class supporting up to six dimensions (interface)
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Copyright (C) 2001 Jeff Teunissen <deek@d2dc.net>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#include <QF/mathlib.h>
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#import <Foundation/NSObject.h>
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@interface Vector: NSObject <NSCopying>
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{
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unsigned int _numDimensions;
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double _values[6];
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}
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- (id) initWithString: (NSString *) str;
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- (id) initwithNumbers: ...;
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- (id) zero dimensions: (unsigned char) d;
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- (id) one dimensions: (unsigned char) d;
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- (double) x; // Convenience methods for three-dimensional vectors
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- (double) y;
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- (double) z;
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- (double) dimension: (unsigned char) d;
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- (void) setX: (double) val;
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- (void) setY: (double) val;
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- (void) setZ: (double) val;
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- (void) setDimension: (unsigned char) d to: (double) val;
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- (unsigned char) dimensions;
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- (double) length;
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- (double) direction;
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- (void) add: (Vector *) vec;
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- (void) subtract: (Vector *) vec;
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- (void) scale: (double) scalar;
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- (void) invert; // Turn the direction around
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- (void) normalize; // Scale the vector so that its length is 1
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- (void) isEqualToVector: (Vector *) vec;
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- (NSString *) stringValue;
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@end
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Vector *
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CrossProduct (Vector *, Vector *);
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double
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DotProduct (Vector *, Vector *);
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