/*
* Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#import "OFObject.h"
OF_ASSUME_NONNULL_BEGIN
/**
* @brief A 4x4 matrix of floats.
*/
OF_SUBCLASSING_RESTRICTED
@interface OF4x4Matrix: OFObject
{
float _values[16];
}
#ifdef OF_HAVE_CLASS_PROPERTIES
@property (readonly, class) OF4x4Matrix *identity;
#endif
/**
* @brief An array of the 16 floats of the 4x4 matrix in column-major format.
*
* These may be modified directly.
*/
@property (readonly, nonatomic) float *values;
/**
* @brief Returns the 4x4 identity matrix.
*/
+ (OF4x4Matrix *)identity;
/**
* @brief Creates a new 4x4 matrix with the specified values.
*
* @param values An array of 16 floats in column-major format
* @return A new, autoreleased OF4x4Matrix
*/
+ (instancetype)matrixWithValues: (const float [_Nonnull 16])values;
/**
* @brief Initializes an already allocated 4x4 matrix with the specified values.
*
* @param values An array of 16 floats in column-major format
* @return An initialized OF4x4Matrix
*/
- (instancetype)initWithValues: (const float [_Nonnull 16])values;
/**
* @brief Transposes the matrix.
*/
- (void)transpose;
@end
OF_ASSUME_NONNULL_END