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<p></p> <p><b>New page</b></p><div>[[페이지이름바꾸기]]가 필요하지 않아요?<br /> #format cpp<br /> <br /> typedef float vec_t;<br /> typedef float vec2_t&amp;#91;2&amp;#93;;<br /> typedef vec_t vec3_t&amp;#91;3&amp;#93;;<br /> typedef vec_t matrix_t&amp;#91;16&amp;#93;; // 4*4 행렬<br /> <br /> // matrix prototypes<br /> void matrixIdentity (matrix_t p);<br /> void matrixMultiply (matrix_t a, matrix_t b, matrix_t c);<br /> void matrixRotateX (matrix_t p, vec_t angle);<br /> void matrixRotateY (matrix_t p, vec_t angle);<br /> void matrixRotateZ (matrix_t p, vec_t angle);<br /> void matrixRotate (matrix_t m, vec3_t r);<br /> void matrixMultiplyVector (matrix_t m, vec3_t v);<br /> void matrixMultiplyVector2 (matrix_t m, vec3_t v);<br /> void matrixMultiplyVector3 (matrix_t m, vec3_t v);<br /> void matrixTranslate (matrix_t m, vec3_t a);<br /> void matrixCopy(matrix_t a, matrix_t b);<br /> <br /> void matrix33_inverse (mat33_t mr, mat33_t ma);<br /> int matrix44_inverse (mat44_t mr, mat44_t ma);<br /> int matrix44_inverse2 (mat44_t mr, mat44_t ma);<br /> <br /> // vector prototypes<br /> void vectorClear (vec3_t a);<br /> void vectorCopy (vec3_t a, vec3_t b);<br /> void vectorCrossProduct (vec3_t v1, vec3_t v2, vec3_t cross);<br /> vec_t vectorDot (vec3_t v1, vec3_t v2);<br /> void vectorSubtract (vec3_t va, vec3_t vb, vec3_t out);<br /> void vectorAdd (vec3_t va, vec3_t vb, vec3_t out);<br /> vec_t vectorNormalize (vec3_t in, vec3_t out);<br /> void vectorScaleV (vec3_t a, vec3_t s);<br /> void vectorScale (vec3_t v, vec_t scale);<br /> <br /> void NormalRet (vec3_t a, vec3_t b, vec3_t c, vec3_t &amp;out); // 노멀 벡터 계산<br /> </div>

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