Subversion Repositories wf3d

//=======================================================================

// Project Monophony

//   Wire-Frame 3D Graphics Accelerator IP Core

//

// File:

//   mp_vector3.h

//

// Abstract:

//   vector3 header

//

// Author:

//   Kenji Ishimaru (info.wf3d@gmail.com)

//

//======================================================================

//

// Copyright (c) 2015, Kenji Ishimaru

// All rights reserved.

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are met:

//

//  -Redistributions of source code must retain the above copyright notice,

//   this list of conditions and the following disclaimer.

//  -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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.

//

// Revision History

#ifndef __MP_VECTOR3_H__

#define __MP_VECTOR3_H__

typedef struct _mp_vector3 {

    float x, y, z;

} mp_vector3;

// functions

void mp_vector3_init(mp_vector3 *dst);

void mp_vector3_set0(mp_vector3 *dst,  float lx,  float ly,  float lz);

void mp_vector3_set1(mp_vector3 *dst,  mp_vector3 *v);

int mp_vector3_is_zero_vector(mp_vector3 *dst);

float mp_vector3_size(mp_vector3 *dst);

float mp_vector3_size2(mp_vector3 *dst);

void mp_vector3_normalize(mp_vector3 *dst);

void mp_vector3_cross_product0(mp_vector3 *dst, mp_vector3 *a,  mp_vector3 *b);

void mp_vector3_cross_product1(mp_vector3 *dst, mp_vector3 *b);

float mp_vector3_inner_product0(mp_vector3 *dst, mp_vector3 *a);

float mp_vector3_inner_product1(float x,  float y,  float z);

float mp_vector3_inner_product3( mp_vector3 *a,  mp_vector3 *b);

void mp_vector3_scale(mp_vector3 *dst, float t);

void mp_vector3_add0(mp_vector3 *dst, mp_vector3 *v);

void mp_vector3_subtract0(mp_vector3 *dst, mp_vector3 *v);

void mp_vector3_assign0(mp_vector3 *dst, mp_vector3 *v);

#endif