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