mat3ο
Header: cglm/mat3.h
Table of contents (click to go):ο
Macros:
GLM_MAT3_IDENTITY_INIT
GLM_MAT3_ZERO_INIT
GLM_MAT3_IDENTITY
GLM_MAT3_ZERO
glm_mat3_dup(mat, dest)
Functions:
Functions documentationο
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void glm_mat3_copy(mat3 mat, mat3 dest)ο
copy mat3 to another one (dest).
- Parameters:
- [in] mat source[out] dest destination
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void glm_mat3_identity(mat3 mat)ο
copy identity mat3 to mat, or makes mat to identity
- Parameters:
- [out] mat matrix
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void glm_mat3_identity_array(mat3 *__restrict mat, size_t count)ο
make given matrix arrayβs 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
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void glm_mat3_zero(mat3 mat)ο
make given matrix zero
- Parameters:
- [in,out] mat matrix to
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void glm_mat3_mul(mat3 m1, mat3 m2, mat3 dest)ο
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
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void glm_mat3_transpose_to(mat3 m, mat3 dest)ο
transpose mat4 and store in dest source matrix will not be transposed unless dest is m
- Parameters:
- [in] mat source[out] dest destination
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void glm_mat3_transpose(mat3 m)ο
transpose mat3 and store result in same matrix
- Parameters:
- [in] mat source[out] dest destination
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void glm_mat3_mulv(mat3 m, vec3 v, vec3 dest)ο
multiply mat3 with vec3 (column vector) and store in dest vector
- Parameters:
- [in] m mat3 (left)[in] v vec3 (right, column vector)[out] dest destination (result, column vector)
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void glm_mat3_quat(mat3 m, versor dest)ο
convert mat3 to quaternion
- Parameters:
- [in] m rotation matrix[out] dest destination quaternion
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void glm_mat3_scale(mat3 m, float s)ο
multiply matrix with scalar
- Parameters:
- [in, out] m matrix[in] s scalar
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float glm_mat3_det(mat3 mat)ο
returns mat3 determinant
- Parameters:
- [in] mat matrix
- Returns:
mat3 determinant
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void glm_mat3_inv(mat3 mat, mat3 dest)ο
inverse mat3 and store in dest
- Parameters:
- [in] mat matrix[out] dest destination (inverse matrix)
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void glm_mat3_trace(mat3 m)ο
- sum of the elements on the main diagonal from upper left to the lower right
- Parameters:
- [in] m matrix
- Returns:
trace of matrix
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void glm_mat3_swap_col(mat3 mat, int col1, int col2)ο
swap two matrix columns
- Parameters:
- [in, out] mat matrix[in] col1 col1[in] col2 col2
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void glm_mat3_swap_row(mat3 mat, int row1, int row2)ο
swap two matrix rows
- Parameters:
- [in, out] mat matrix[in] row1 row1[in] row2 row2
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float glm_mat3_rmc(vec3 r, mat3 m, vec3 c)ο
- 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
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void glm_mat3_make(const float *__restrict src, mat3 dest)ο
Create mat3 matrix from pointer
Note
@src must contain at least 9 elements.
- Parameters:
- [in] src pointer to an array of floats[out] dest destination matrix3x3