Functions
rs_matrix.rsh File Reference

Functions
_RS_RUNTIME void  rsMatrixSet (rs_matrix4x4 *m, uint32_t row, uint32_t col, float v)
_RS_RUNTIME void  rsMatrixSet (rs_matrix3x3 *m, uint32_t row, uint32_t col, float v)
_RS_RUNTIME void  rsMatrixSet (rs_matrix2x2 *m, uint32_t row, uint32_t col, float v)
_RS_RUNTIME float  rsMatrixGet (const rs_matrix4x4 *m, uint32_t row, uint32_t col)
_RS_RUNTIME float  rsMatrixGet (const rs_matrix3x3 *m, uint32_t row, uint32_t col)
_RS_RUNTIME float  rsMatrixGet (const rs_matrix2x2 *m, uint32_t row, uint32_t col)
void  rsMatrixLoadIdentity (rs_matrix4x4 *m)
void  rsMatrixLoadIdentity (rs_matrix3x3 *m)
void  rsMatrixLoadIdentity (rs_matrix2x2 *m)
void  rsMatrixLoad (rs_matrix4x4 *m, const float *v)
void  rsMatrixLoad (rs_matrix3x3 *m, const float *v)
void  rsMatrixLoad (rs_matrix2x2 *m, const float *v)
void  rsMatrixLoad (rs_matrix4x4 *m, const rs_matrix4x4 *v)
void  rsMatrixLoad (rs_matrix4x4 *m, const rs_matrix3x3 *v)
void  rsMatrixLoad (rs_matrix4x4 *m, const rs_matrix2x2 *v)
void  rsMatrixLoad (rs_matrix3x3 *m, const rs_matrix3x3 *v)
void  rsMatrixLoad (rs_matrix2x2 *m, const rs_matrix2x2 *v)
void  rsMatrixLoadRotate (rs_matrix4x4 *m, float rot, float x, float y, float z)
void  rsMatrixLoadScale (rs_matrix4x4 *m, float x, float y, float z)
void  rsMatrixLoadTranslate (rs_matrix4x4 *m, float x, float y, float z)
void  rsMatrixLoadMultiply (rs_matrix4x4 *m, const rs_matrix4x4 *lhs, const rs_matrix4x4 *rhs)
void  rsMatrixLoadMultiply (rs_matrix3x3 *m, const rs_matrix3x3 *lhs, const rs_matrix3x3 *rhs)
void  rsMatrixLoadMultiply (rs_matrix2x2 *m, const rs_matrix2x2 *lhs, const rs_matrix2x2 *rhs)
void  rsMatrixMultiply (rs_matrix4x4 *m, const rs_matrix4x4 *rhs)
void  rsMatrixMultiply (rs_matrix3x3 *m, const rs_matrix3x3 *rhs)
void  rsMatrixMultiply (rs_matrix2x2 *m, const rs_matrix2x2 *rhs)
void  rsMatrixRotate (rs_matrix4x4 *m, float rot, float x, float y, float z)
void  rsMatrixScale (rs_matrix4x4 *m, float x, float y, float z)
void  rsMatrixTranslate (rs_matrix4x4 *m, float x, float y, float z)
void  rsMatrixLoadOrtho (rs_matrix4x4 *m, float left, float right, float bottom, float top, float near, float far)
void  rsMatrixLoadFrustum (rs_matrix4x4 *m, float left, float right, float bottom, float top, float near, float far)
void  rsMatrixLoadPerspective (rs_matrix4x4 *m, float fovy, float aspect, float near, float far)
_RS_RUNTIME float4  rsMatrixMultiply (rs_matrix4x4 *m, float4 in)
_RS_RUNTIME float3  rsMatrixMultiply (rs_matrix3x3 *m, float3 in)
_RS_RUNTIME float2  rsMatrixMultiply (rs_matrix2x2 *m, float2 in)
bool  rsMatrixInverse (rs_matrix4x4 *m)
bool  rsMatrixInverseTranspose (rs_matrix4x4 *m)
void  rsMatrixTranspose (rs_matrix4x4 *m)
void  rsMatrixTranspose (rs_matrix3x3 *m)
void  rsMatrixTranspose (rs_matrix2x2 *m)

Detailed Description

Matrix routines.

Definition in file rs_matrix.rsh.

Function Documentation

_RS_RUNTIME float rsMatrixGet ( const rs_matrix4x4 *  m,
uint32_t  row,
uint32_t  col 
)

Get one element of a matrix.

Parameters:
m The matrix to read from
row
col
Returns:
float
_RS_RUNTIME float rsMatrixGet ( const rs_matrix3x3 *  m,
uint32_t  row,
uint32_t  col 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

_RS_RUNTIME float rsMatrixGet ( const rs_matrix2x2 *  m,
uint32_t  row,
uint32_t  col 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

bool rsMatrixInverse ( rs_matrix4x4 *  m )

Returns true if the matrix was successfully inversed

Parameters:
m
bool rsMatrixInverseTranspose ( rs_matrix4x4 *  m )

Returns true if the matrix was successfully inversed and transposed.

Parameters:
m
void rsMatrixLoad ( rs_matrix4x4 *  m,
const float *  v 
)

Set the elements of a matrix from an array of floats.

Parameters:
m
void rsMatrixLoad ( rs_matrix3x3 *  m,
const float *  v 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixLoad ( rs_matrix2x2 *  m,
const float *  v 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixLoad ( rs_matrix4x4 *  m,
const rs_matrix4x4 *  v 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixLoad ( rs_matrix4x4 *  m,
const rs_matrix3x3 *  v 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixLoad ( rs_matrix4x4 *  m,
const rs_matrix2x2 *  v 
)

Set the elements of a matrix from another matrix.

Parameters:
m
void rsMatrixLoad ( rs_matrix3x3 *  m,
const rs_matrix3x3 *  v 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixLoad ( rs_matrix2x2 *  m,
const rs_matrix2x2 *  v 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixLoadFrustum ( rs_matrix4x4 *  m,
float  left,
float  right,
float  bottom,
float  top,
float  near,
float  far 
)

Load an Frustum projection matrix constructed from the 6 planes

Parameters:
m
left
right
bottom
top
near
far
void rsMatrixLoadIdentity ( rs_matrix4x4 *  m )

Set the elements of a matrix to the identity matrix.

Parameters:
m
void rsMatrixLoadIdentity ( rs_matrix3x3 *  m )

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixLoadIdentity ( rs_matrix2x2 *  m )

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixLoadMultiply ( rs_matrix4x4 *  m,
const rs_matrix4x4 *  lhs,
const rs_matrix4x4 *  rhs 
)

Multiply two matrix (lhs, rhs) and place the result in m.

Parameters:
m
lhs
rhs
void rsMatrixLoadMultiply ( rs_matrix3x3 *  m,
const rs_matrix3x3 *  lhs,
const rs_matrix3x3 *  rhs 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixLoadMultiply ( rs_matrix2x2 *  m,
const rs_matrix2x2 *  lhs,
const rs_matrix2x2 *  rhs 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixLoadOrtho ( rs_matrix4x4 *  m,
float  left,
float  right,
float  bottom,
float  top,
float  near,
float  far 
)

Load an Ortho projection matrix constructed from the 6 planes

Parameters:
m
left
right
bottom
top
near
far
void rsMatrixLoadPerspective ( rs_matrix4x4 *  m,
float  fovy,
float  aspect,
float  near,
float  far 
)

Load an perspective projection matrix constructed from the 6 planes

Parameters:
m
fovy Field of view, in degrees along the Y axis.
aspect Ratio of x / y.
near
far
void rsMatrixLoadRotate ( rs_matrix4x4 *  m,
float  rot,
float  x,
float  y,
float  z 
)

Load a rotation matrix.

Parameters:
m
rot
x
y
z
void rsMatrixLoadScale ( rs_matrix4x4 *  m,
float  x,
float  y,
float  z 
)

Load a scale matrix.

Parameters:
m
x
y
z
void rsMatrixLoadTranslate ( rs_matrix4x4 *  m,
float  x,
float  y,
float  z 
)

Load a translation matrix.

Parameters:
m
x
y
z
void rsMatrixMultiply ( rs_matrix4x4 *  m,
const rs_matrix4x4 *  rhs 
)

Multiply the matrix m by rhs and place the result back into m.

Parameters:
m (lhs)
rhs
void rsMatrixMultiply ( rs_matrix3x3 *  m,
const rs_matrix3x3 *  rhs 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixMultiply ( rs_matrix2x2 *  m,
const rs_matrix2x2 *  rhs 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

_RS_RUNTIME float4 rsMatrixMultiply ( rs_matrix4x4 *  m,
float4  in 
)

Multiply a vector by a matrix and return the result vector. API version 10-13

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

_RS_RUNTIME float3 rsMatrixMultiply ( rs_matrix3x3 *  m,
float3  in 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

_RS_RUNTIME float2 rsMatrixMultiply ( rs_matrix2x2 *  m,
float2  in 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixRotate ( rs_matrix4x4 *  m,
float  rot,
float  x,
float  y,
float  z 
)

Multiple matrix m with a rotation matrix

Parameters:
m
rot
x
y
z
void rsMatrixScale ( rs_matrix4x4 *  m,
float  x,
float  y,
float  z 
)

Multiple matrix m with a scale matrix

Parameters:
m
x
y
z
_RS_RUNTIME void rsMatrixSet ( rs_matrix4x4 *  m,
uint32_t  row,
uint32_t  col,
float  v 
)

Set one element of a matrix.

Parameters:
m The matrix to be set
row
col
v
Returns:
void
_RS_RUNTIME void rsMatrixSet ( rs_matrix3x3 *  m,
uint32_t  row,
uint32_t  col,
float  v 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

_RS_RUNTIME void rsMatrixSet ( rs_matrix2x2 *  m,
uint32_t  row,
uint32_t  col,
float  v 
)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixTranslate ( rs_matrix4x4 *  m,
float  x,
float  y,
float  z 
)

Multiple matrix m with a translation matrix

Parameters:
m
x
y
z
void rsMatrixTranspose ( rs_matrix4x4 *  m )

Transpose the matrix m.

Parameters:
m
void rsMatrixTranspose ( rs_matrix3x3 *  m )

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

void rsMatrixTranspose ( rs_matrix2x2 *  m )

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

No examples for this method.
Frequently called with: [Clear]
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