stephenseo/3d_collision_helpers
1
0
Fork 0
Code Issues Pull requests Projects Releases 2 Packages Wiki Activity Actions

Refactoring using std::array not std::vector

Browse source 
Getting corners of a box will always return 8 Vec3's, so the return type
was changed from std::vector to std::array.
This commit is contained in:
Stephen Seo 2024-05-06 13:51:02 +09:00
parent 7e4041e50f
commit 82d4613b93
1 changed files with 54 additions and 53 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

107
src/sc_sacd.cpp
View file

@ -146,67 +146,68 @@ std::array<SC_SACD_Vec3, 3> SC_SACD_Get_Box_Normals_Normalized(
return normals; return normals;
} }
std::vector<SC_SACD_Vec3> SC_SACD_Get_Box_Corners( std::array<SC_SACD_Vec3, 8> SC_SACD_Get_Box_Corners(
const SC_SACD_Generic_Box *box) { const SC_SACD_Generic_Box *box) {
std::vector<SC_SACD_Vec3> corners; SC_SACD_Vec3 corner_0 =
box->transform *
SC_SACD_Vec3{-box->width / 2.0F, -box->height / 2.0F, -box->depth / 2.0F};
corner_0.x += box->x;
corner_0.y += box->y;
corner_0.z += box->z;
corners.push_back(box->transform * SC_SACD_Vec3{-box->width / 2.0F, SC_SACD_Vec3 corner_1 =
-box->height / 2.0F, box->transform *
-box->depth / 2.0F}); SC_SACD_Vec3{box->width / 2.0F, -box->height / 2.0F, -box->depth / 2.0F};
corners.back().x += box->x; corner_1.x += box->x;
corners.back().y += box->y; corner_1.y += box->y;
corners.back().z += box->z; corner_1.z += box->z;
corners.push_back(box->transform * SC_SACD_Vec3{box->width / 2.0F, SC_SACD_Vec3 corner_2 =
-box->height / 2.0F, box->transform *
-box->depth / 2.0F}); SC_SACD_Vec3{-box->width / 2.0F, box->height / 2.0F, -box->depth / 2.0F};
corners.back().x += box->x; corner_2.x += box->x;
corners.back().y += box->y; corner_2.y += box->y;
corners.back().z += box->z; corner_2.z += box->z;
corners.push_back(box->transform * SC_SACD_Vec3{-box->width / 2.0F, SC_SACD_Vec3 corner_3 =
box->height / 2.0F, box->transform *
-box->depth / 2.0F}); SC_SACD_Vec3{box->width / 2.0F, box->height / 2.0F, -box->depth / 2.0F};
corners.back().x += box->x; corner_3.x += box->x;
corners.back().y += box->y; corner_3.y += box->y;
corners.back().z += box->z; corner_3.z += box->z;
corners.push_back(box->transform * SC_SACD_Vec3{box->width / 2.0F, SC_SACD_Vec3 corner_4 =
box->height / 2.0F, box->transform *
-box->depth / 2.0F}); SC_SACD_Vec3{-box->width / 2.0F, -box->height / 2.0F, box->depth / 2.0F};
corners.back().x += box->x; corner_4.x += box->x;
corners.back().y += box->y; corner_4.y += box->y;
corners.back().z += box->z; corner_4.z += box->z;
corners.push_back(box->transform * SC_SACD_Vec3{-box->width / 2.0F, SC_SACD_Vec3 corner_5 =
-box->height / 2.0F, box->transform *
box->depth / 2.0F}); SC_SACD_Vec3{box->width / 2.0F, -box->height / 2.0F, box->depth / 2.0F};
corners.back().x += box->x; corner_5.x += box->x;
corners.back().y += box->y; corner_5.y += box->y;
corners.back().z += box->z; corner_5.z += box->z;
corners.push_back(box->transform * SC_SACD_Vec3{box->width / 2.0F, SC_SACD_Vec3 corner_6 =
-box->height / 2.0F, box->transform *
box->depth / 2.0F}); SC_SACD_Vec3{-box->width / 2.0F, box->height / 2.0F, box->depth / 2.0F};
corners.back().x += box->x; corner_6.x += box->x;
corners.back().y += box->y; corner_6.y += box->y;
corners.back().z += box->z; corner_6.z += box->z;
corners.push_back(box->transform * SC_SACD_Vec3{-box->width / 2.0F, SC_SACD_Vec3 corner_7 =
box->height / 2.0F, box->transform *
box->depth / 2.0F}); SC_SACD_Vec3{box->width / 2.0F, box->height / 2.0F, box->depth / 2.0F};
corners.back().x += box->x; corner_7.x += box->x;
corners.back().y += box->y; corner_7.y += box->y;
corners.back().z += box->z; corner_7.z += box->z;
corners.push_back(box->transform * SC_SACD_Vec3{box->width / 2.0F, return {
box->height / 2.0F, corner_0, corner_1, corner_2, corner_3,
box->depth / 2.0F}); corner_4, corner_5, corner_6, corner_7,
corners.back().x += box->x; };
corners.back().y += box->y;
corners.back().z += box->z;
return corners;
} }
struct SC_SACD_MinMax { struct SC_SACD_MinMax {
@ -217,7 +218,7 @@ std::vector<SC_SACD_MinMax> SC_SACD_Get_Box_MinMax(
const SC_SACD_Generic_Box *box, const std::span<SC_SACD_Vec3> normals) { const SC_SACD_Generic_Box *box, const std::span<SC_SACD_Vec3> normals) {
std::vector<SC_SACD_MinMax> minmaxes; std::vector<SC_SACD_MinMax> minmaxes;
std::vector<SC_SACD_Vec3> corners = SC_SACD_Get_Box_Corners(box); auto corners = SC_SACD_Get_Box_Corners(box);
// Assuming normals are not normalized, and will not normalize anyway. // Assuming normals are not normalized, and will not normalize anyway.
// MinMax count should be same as normals count. // MinMax count should be same as normals count.