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Добавление position3 и aффинного преобразования

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andrey 2026-01-26 20:00:12 +07:00
parent fd7c6c91cd
commit d8347656c7
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basic-geometry/affine3.c Normal file
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#include "affine3.h"
extern inline void bgc_affine3_reset_fp32(BgcAffine3FP32 * affine);
extern inline void bgc_affine3_reset_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_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);
extern inline void bgc_affine3_transform_vector_fp32(const BgcAffine3FP32 * affine, const BgcVector3FP32 * initial_vector, BgcVector3FP32 * transformed_vector);
extern inline void bgc_affine3_transform_vector_fp64(const BgcAffine3FP64 * affine, const BgcVector3FP64 * initial_vector, BgcVector3FP64 * transformed_vector);

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basic-geometry/affine3.h Normal file
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#ifndef _BGC_AFFINE3_H_INCLUDED_
#define _BGC_AFFINE3_H_INCLUDED_
#include "utilities.h"
#include "vector3.h"
#include "matrixes.h"
#include "matrix3x3.h"
// ==================== Types ==================== //
typedef struct {
#if BGC_AFFINE_USE_MATRIX
BgcMatrix3x3FP32 distortion;
BgcVector3FP32 shift;
#else
float r1c1, r1c2, r1c3, shift1;
float r2c1, r2c2, r2c3, shift2;
float r3c1, r3c2, r3c3, shift3;
#endif
} BgcAffine3FP32;
typedef struct {
#if BGC_AFFINE_USE_MATRIX
BgcMatrix3x3FP64 distortion;
BgcVector3FP64 shift;
#else
double r1c1, r1c2, r1c3, shift1;
double r2c1, r2c2, r2c3, shift2;
double r3c1, r3c2, r3c3, shift3;
#endif
} BgcAffine3FP64;
// ==================== Reset ==================== //
inline void bgc_affine3_reset_fp32(BgcAffine3FP32 * affine)
{
#if BGC_AFFINE_USE_MATRIX
bgc_matrix3x3_set_to_identity_fp32(&affine->distortion);
bgc_vector3_reset_fp32(&affine->shift);
#else
affine->r1c1 = 1.0f;
affine->r1c2 = 0.0f;
affine->r1c3 = 0.0f;
affine->shift1 = 0.0f;