mat3¶
Header: cglm/mat3.h
Table of contents (click to go):¶
Macros:
- GLM_MAT3_IDENTITY_INIT
- GLM_MAT3_ZERO_INIT
- GLM_MAT3_IDENTITY
- GLM_MAT3_ZERO
- glm_mat3_dup(mat, dest)
Functions:
Functions documentation¶
-
void
glm_mat3_copy
(mat3 mat, mat3 dest)¶ copy mat3 to another one (dest).
- Parameters:
- [in] mat source[out] dest destination
-
void
glm_mat3_identity
(mat3 mat)¶ copy identity mat3 to mat, or makes mat to identiy
- Parameters:
- [out] mat matrix
-
void
glm_mat3_identity_array
(mat3 * __restrict mat, size_t count)¶ make given matrix array’s each element identity matrix
- Parameters:
- [in,out] mat matrix array (must be aligned (16/32) if alignment is not disabled)[in] count count of matrices
-
void
glm_mat3_zero
(mat3 mat)¶ make given matrix zero
- Parameters:
- [in,out] mat matrix to
-
void
glm_mat3_mul
(mat3 m1, mat3 m2, mat3 dest)¶ multiply m1 and m2 to dest m1, m2 and dest matrices can be same matrix, it is possible to write this:
mat3 m = GLM_MAT3_IDENTITY_INIT; glm_mat3_mul(m, m, m);
- Parameters:
- [in] m1 left matrix[in] m2 right matrix[out] dest destination matrix
-
void
glm_mat3_transpose_to
(mat3 m, mat3 dest)¶ transpose mat4 and store in dest source matrix will not be transposed unless dest is m
- Parameters:
- [in] mat source[out] dest destination
-
void
glm_mat3_transpose
(mat3 m)¶ tranpose mat3 and store result in same matrix
- Parameters:
- [in] mat source[out] dest destination
-
void
glm_mat3_mulv
(mat3 m, vec3 v, vec3 dest)¶ multiply mat4 with vec4 (column vector) and store in dest vector
- Parameters:
- [in] mat mat3 (left)[in] v vec3 (right, column vector)[out] dest destination (result, column vector)
-
void
glm_mat3_quat
(mat3 m, versor dest)¶ convert mat3 to quaternion
- Parameters:
- [in] m rotation matrix[out] dest destination quaternion
-
void
glm_mat3_scale
(mat3 m, float s)¶ multiply matrix with scalar
- Parameters:
- [in, out] mat matrix[in] dest scalar
-
float
glm_mat3_det
(mat3 mat)¶ returns mat3 determinant
- Parameters:
- [in] mat matrix
- Returns:
- mat3 determinant
-
void
glm_mat3_inv
(mat3 mat, mat3 dest)¶ inverse mat3 and store in dest
- Parameters:
- [in] mat matrix[out] dest destination (inverse matrix)
-
void
glm_mat3_trace
(mat3 m)¶ - sum of the elements on the main diagonal from upper left to the lower right
- Parameters:
- [in] m matrix
- Returns:
- trace of matrix
-
void
glm_mat3_swap_col
(mat3 mat, int col1, int col2)¶ swap two matrix columns
- Parameters:
- [in, out] mat matrix[in] col1 col1[in] col2 col2
-
void
glm_mat3_swap_row
(mat3 mat, int row1, int row2)¶ swap two matrix rows
- Parameters:
- [in, out] mat matrix[in] row1 row1[in] row2 row2
-
float
glm_mat3_rmc
(vec3 r, mat3 m, vec3 c)¶ - rmc stands for Row * Matrix * Columnhelper for R (row vector) * M (matrix) * C (column vector)the result is scalar because R * M = Matrix1x3 (row vector),then Matrix1x3 * Vec3 (column vector) = Matrix1x1 (Scalar)
- Parameters:
- [in] r row vector or matrix1x3[in] m matrix3x3[in] c column vector or matrix3x1
- Returns:
- scalar value e.g. Matrix1x1