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Добавление комбинации двух aффинных преобразований

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Andrey Pokidov 2026-01-26 20:27:35 +07:00
parent d8347656c7
commit 7175c4148a
3 changed files with 154 additions and 1 deletions
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9
basic-geometry/affine3.c
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@ -3,9 +3,18 @@
extern inline void bgc_affine3_reset_fp32(BgcAffine3FP32 * affine);
extern inline void bgc_affine3_reset_fp64(BgcAffine3FP64 * affine);
extern inline void bgc_affine3_reset_distortion_fp32(BgcAffine3FP32 * affine);
extern inline void bgc_affine3_reset_distortion_fp64(BgcAffine3FP64 * affine);
extern inline void bgc_affine3_reset_shift_fp32(BgcAffine3FP32 * affine);
extern inline void bgc_affine3_reset_shift_fp64(BgcAffine3FP64 * affine);
extern inline void bgc_affine3_make_fp32(const BgcMatrix3x3FP32 * distortion, const BgcVector3FP32 * shift, BgcAffine3FP32 * affine);
extern inline void bgc_affine3_make_fp64(const BgcMatrix3x3FP64 * distortion, const BgcVector3FP64 * shift, BgcAffine3FP64 * affine);
extern inline void bgc_affine3_combine_fp32(const BgcAffine3FP32 * parent, const BgcAffine3FP32 * child, BgcAffine3FP32 * combination);
extern inline void bgc_affine3_combine_fp64(const BgcAffine3FP64 * parent, const BgcAffine3FP64 * child, BgcAffine3FP64 * combination);
extern inline void bgc_affine3_transform_point_fp32(const BgcAffine3FP32 * affine, const BgcVector3FP32 * initial_point, BgcVector3FP32 * transformed_point);
extern inline void bgc_affine3_transform_point_fp64(const BgcAffine3FP64 * affine, const BgcVector3FP64 * initial_point, BgcVector3FP64 * transformed_point);

144
basic-geometry/affine3.h
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500

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Forgejo version: 11.0.1+gitea-1.22.0

 @ -78,6 +78,66 @@ inline void bgc_affine3_reset_fp64(BgcAffine3FP64 * affine)
#endif
}
inline void bgc_affine3_reset_distortion_fp32(BgcAffine3FP32 * affine)
{
#if BGC_AFFINE_USE_MATRIX
bgc_matrix3x3_set_to_identity_fp32(&affine->distortion);
#else
affine->r1c1 = 1.0f;
affine->r1c2 = 0.0f;
affine->r1c3 = 0.0f;
affine->r2c1 = 0.0f;
affine->r2c2 = 1.0f;
affine->r2c3 = 0.0f;
affine->r3c1 = 0.0f;
affine->r3c2 = 0.0f;
affine->r3c3 = 1.0f;
#endif
}
inline void bgc_affine3_reset_distortion_fp64(BgcAffine3FP64 * affine)
{
#if BGC_AFFINE_USE_MATRIX
bgc_matrix3x3_set_to_identity_fp64(&affine->distortion);
#else
affine->r1c1 = 1.0;
affine->r1c2 = 0.0;