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This also includes tables to explain how mat3x4, column vectors, and row vectors are represented. Also includes how resulting matrix or vector is formed. Signed-off-by: Vincent Davis Jr <vince@underview.tech>
148 lines
4.1 KiB
ReStructuredText
148 lines
4.1 KiB
ReStructuredText
.. default-domain:: C
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mat3x4
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======
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Header: cglm/mat3x4.h
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Table of contents (click to go):
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Macros:
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1. GLM_MAT3X4_ZERO_INIT
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#. GLM_MAT3X4_ZERO
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Functions:
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1. :c:func:`glm_mat3x4_copy`
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#. :c:func:`glm_mat3x4_zero`
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#. :c:func:`glm_mat3x4_make`
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#. :c:func:`glm_mat3x4_mul`
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#. :c:func:`glm_mat3x4_mulv`
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#. :c:func:`glm_mat3x4_transpose`
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#. :c:func:`glm_mat3x4_scale`
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Represented
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~~~~~~~~~~~
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.. csv-table:: mat3x4
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:header: "", "column 1", "column 2", "column 3"
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"row 1", "m00", "m10", "m20"
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"row 2", "m01", "m11", "m21"
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"row 3", "m02", "m12", "m22"
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"row 4", "m03", "m13", "m23"
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Functions documentation
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~~~~~~~~~~~~~~~~~~~~~~~
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.. c:function:: void glm_mat3x4_copy(mat3x4 mat, mat3x4 dest)
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copy mat3x4 to another one (dest).
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Parameters:
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| *[in]* **mat** source
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| *[out]* **dest** destination
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.. c:function:: void glm_mat3x4_zero(mat3x4 mat)
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make given matrix zero
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Parameters:
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| *[in,out]* **mat** matrix
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.. c:function:: void glm_mat3x4_make(const float * __restrict src, mat3x4 dest)
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Create mat3x4 matrix from pointer
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.. note::: **@src** must contain at least 12 elements.
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Parameters:
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| *[in]* **src** pointer to an array of floats
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| *[out]* **dest** destination matrix3x4
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.. c:function:: void glm_mat3x4_mul(mat3x4 m1, mat4x3 m2, mat4 dest)
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multiply m1 and m2 to dest
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.. code-block:: c
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glm_mat3x4_mul(mat3x4, mat4x3, mat4);
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Parameters:
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| *[in]* **m1** left matrix (mat3x4)
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| *[in]* **m2** right matrix (mat4x3)
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| *[out]* **dest** destination matrix (mat4)
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.. csv-table:: mat3x4
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:header: "", "column 1", "column 2", "column 3"
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"row 1", "a00", "a10", "a20"
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"row 2", "a01", "a11", "a21"
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"row 3", "a02", "a12", "a22"
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"row 4", "a03", "a13", "a23"
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.. csv-table:: mat4x3
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:header: "", "column 1", "column 2", "column 3", "column 4"
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"row 1", "b00", "b10", "b20", "b30"
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"row 2", "b01", "b11", "b21", "b31"
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"row 3", "b02", "b12", "b22", "b32"
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.. csv-table:: mat4x4
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:header: "", "column 1", "column 2", "column 3", "column 4"
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"row 1", "a00 * b00 + a10 * b01 + a20 * b02", "a00 * b10 + a10 * b11 + a20 * b12", "a00 * b20 + a10 * b21 + a20 * b22", "a00 * b30 + a10 * b31 + a20 * b32"
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"row 2", "a01 * b00 + a11 * b01 + a21 * b02", "a01 * b10 + a11 * b11 + a21 * b12", "a01 * b20 + a11 * b21 + a21 * b22", "a01 * b30 + a11 * b31 + a21 * b32"
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"row 3", "a02 * b00 + a12 * b01 + a22 * b02", "a02 * b10 + a12 * b11 + a22 * b12", "a02 * b20 + a12 * b21 + a22 * b22", "a02 * b30 + a12 * b31 + a22 * b32"
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"row 4", "a03 * b00 + a13 * b01 + a23 * b02", "a03 * b10 + a13 * b11 + a23 * b12", "a03 * b20 + a13 * b21 + a23 * b22", "a03 * b30 + a13 * b31 + a23 * b32"
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.. c:function:: void glm_mat3x4_mulv(mat3x4 m, vec3 v, vec4 dest)
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multiply mat3x4 with vec3 (column vector) and store in dest vector
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Parameters:
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| *[in]* **m** mat3x4 (left)
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| *[in]* **v** vec3 (right, column vector)
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| *[out]* **dest** destination (result, column vector)
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.. csv-table:: mat3x4
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:header: "", "column 1", "column 2", "column 3"
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"row 1", "m00", "m10", "m20"
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"row 2", "m01", "m11", "m21"
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"row 3", "m02", "m12", "m22"
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"row 4", "m03", "m13", "m23"
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.. csv-table:: column vec3 (1x3)
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:header: "", "column 1"
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"row 1", "v0"
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"row 2", "v1"
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"row 3", "v2"
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.. csv-table:: column vec4 (1x4)
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:header: "", "column 1"
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"row 1", "m00 * v0 + m10 * v1 + m20 * v2"
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"row 2", "m01 * v0 + m11 * v1 + m21 * v2"
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"row 3", "m02 * v0 + m12 * v1 + m22 * v2"
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"row 4", "m03 * v0 + m13 * v1 + m23 * v2"
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.. c:function:: void glm_mat3x4_transpose(mat3x4 m, mat4x3 dest)
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transpose matrix and store in dest
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Parameters:
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| *[in]* **m** matrix
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| *[out]* **dest** destination
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.. c:function:: void glm_mat3x4_scale(mat3x4 m, float s)
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multiply matrix with scalar
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Parameters:
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| *[in, out]* **m** matrix
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| *[in]* **s** scalar
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