quakeforge/ruamoko/lib/Point.r

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#include "Point.h"
@implementation Point
- (id) initWithComponents: (integer)_x : (integer)_y
{
self = [super init];
x = _x;
y = _y;
return self;
}
- (id) initWithPoint: (Point) aPoint
{
self = [super init];
if (!self || !aPoint)
return NIL;
x = [aPoint x];
y = [aPoint y];
return self;
}
- (id) copy
{
local id myCopy = [super copy];
if (!myCopy)
myCopy = [[self class] alloc];
return [myCopy initWithComponents: x : y];
}
- (id) x
{
return x;
}
- (id) y
{
return y;
}
- (void) setPoint: (Point)aPoint
{
x = [aPoint x];
y = [aPoint y];
}
- (void) addPoint: (Point) aPoint
{
x += [aPoint x];
y += [aPoint y];
}
- (void) subtractPoint: (Point) aPoint
{
x -= [aPoint x];
y -= [aPoint y];
}
@end