mat4.h

/* ============================================================================
 * Freetype GL - A C OpenGL Freetype engine
 * Platform:    Any
 * WWW:         http://code.google.com/p/freetype-gl/
 * ----------------------------------------------------------------------------
 * Copyright 2011,2012 Nicolas P. Rougier. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY NICOLAS P. ROUGIER ''AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL NICOLAS P. ROUGIER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are
 * those of the authors and should not be interpreted as representing official
 * policies, either expressed or implied, of Nicolas P. Rougier.
 * ============================================================================
 */
#ifndef __MAT4_H__
#define __MAT4_H__

#ifdef __cplusplus
extern "C" {
#endif


/**
 *
 */
typedef union
{
	float data[16];    /**< All compoments at once     */
	struct {
        float m00, m01, m02, m03;
        float m10, m11, m12, m13;
        float m20, m21, m22, m23;
        float m30, m31, m32, m33;
    };
} mat4;


mat4 *
mat4_new( void );

void
mat4_set_identity( mat4 *self );

void
mat4_set_zero( mat4 *self );

void
mat4_multiply( mat4 *self, mat4 *other );

void
mat4_set_orthographic( mat4 *self,
                       float left,   float right,
                       float bottom, float top,
                       float znear,  float zfar );

void
mat4_set_perspective( mat4 *self,
                      float fovy,  float aspect,
                      float zNear, float zFar);

void
mat4_set_frustum( mat4 *self,
                  float left,   float right,
                  float bottom, float top,
                  float znear,  float zfar );

void
mat4_set_rotation( mat4 *self,
                   float angle,
                   float x, float y, float z);

void
mat4_set_translation( mat4 *self,
                      float x, float y, float z);

void
mat4_set_scaling( mat4 *self,
                  float x, float y, float z);

void
mat4_rotate( mat4 *self,
             float angle,
             float x, float y, float z);

void
mat4_translate( mat4 *self,
                float x, float y, float z);

void
mat4_scale( mat4 *self,
            float x, float y, float z);


#ifdef __cplusplus
}
#endif

#endif /* __MAT4_H__ */