bool
CreatureCore::IsBluePrintBonesCollide(FVector test_point, float bone_size, FTransform base_transform)
{
if (bone_size <= 0)
{
bone_size = 1.0f;
}
FTransform xform = base_transform;
FVector local_test_point = xform.InverseTransformPosition(test_point);
auto render_composition = creature_manager->GetCreature()->GetRenderComposition();
auto& bones_map = render_composition->getBonesMap();
glm::vec4 real_test_pt(local_test_point.X, local_test_point.Y, local_test_point.Z, 1.0f);
for (auto cur_data : bones_map)
{
auto cur_bone = cur_data.second;
auto bone_start_pt = cur_bone->getWorldStartPt();
auto bone_end_pt = cur_bone->getWorldEndPt();
auto bone_vec = bone_end_pt - bone_start_pt;
auto bone_length = glm::length(bone_vec);
auto bone_unit_vec = bone_vec / bone_length;
auto rel_vec = real_test_pt - bone_start_pt;
float proj_length_u = glm::dot(rel_vec, bone_unit_vec);
if (proj_length_u >= 0 && proj_length_u <= bone_length)
{
// quick rotation by 90 degrees
auto bone_unit_normal_vec = bone_unit_vec;
bone_unit_normal_vec.x = -bone_unit_vec.y;
bone_unit_normal_vec.y = bone_unit_vec.x;
float proj_length_v = fabs(glm::dot(rel_vec, bone_unit_normal_vec));
if (proj_length_v <= bone_size)
{
return true;
}
}
}
return false;
}
void ACreatureActor::FillBoneData()
{
auto render_composition = creature_manager->GetCreature()->GetRenderComposition();
auto& bones_map = render_composition->getBonesMap();
if (bone_data.Num() == 0)
{
bone_data.SetNum(bones_map.size());
}
int i = 0;
for (auto& cur_data : bones_map)
{
bone_data[i].name = FString(cur_data.first.c_str());
auto pt1 = cur_data.second->getWorldStartPt();
auto pt2 = cur_data.second->getWorldEndPt();
bone_data[i].point1 = FVector(pt1.x, pt1.y, pt1.z);
bone_data[i].point2 = FVector(pt2.x, pt2.y, pt2.z);
i++;
}
}
void CreatureCore::FillBoneData()
{
auto render_composition = creature_manager->GetCreature()->GetRenderComposition();
auto& bones_map = render_composition->getBonesMap();
if (bone_data.Num() == 0)
{
bone_data.SetNum(bones_map.size());
}
int i = 0;
for (auto& cur_data : bones_map)
{
bone_data[i].name = FString(cur_data.first.c_str());
auto pt1 = cur_data.second->getWorldStartPt();
auto pt2 = cur_data.second->getWorldEndPt();
/* Id References
const int x_id = 0;
const int y_id = 2;
const int z_id = 1;
*/
bone_data[i].point1 = FVector(pt1.x, pt1.y, pt1.z);
bone_data[i].point2 = FVector(pt2.x, pt2.y, pt2.z);
// figure out bone transform
auto cur_bone = cur_data.second;
auto bone_start_pt = pt1;
auto bone_end_pt = pt2;
auto bone_vec = bone_end_pt - bone_start_pt;
auto bone_length = glm::length(bone_vec);
auto bone_unit_vec = bone_vec / bone_length;
// quick rotation by 90 degrees
auto bone_unit_normal_vec = bone_unit_vec;
bone_unit_normal_vec.x = -bone_unit_vec.y;
bone_unit_normal_vec.y = bone_unit_vec.x;
FVector bone_midpt = (bone_data[i].point1 + bone_data[i].point2) * 0.5f;
FVector bone_axis_x(bone_unit_vec.x, bone_unit_vec.y, 0);
FVector bone_axis_y(bone_unit_normal_vec.x, bone_unit_normal_vec.y, 0);
FVector bone_axis_z(0, 0, 1);
FTransform scaleXform(FVector(0, 0, 0));
scaleXform.SetScale3D(FVector(bone_length * bone_data_length_factor, bone_data_size, bone_data_size));
//std::swap(bone_midpt.Y, bone_midpt.Z);
FTransform fixXform;
fixXform.SetRotation(FQuat::MakeFromEuler(FVector(-90, 0, 0)));
FTransform rotXform(bone_axis_x, bone_axis_y, bone_axis_z, FVector(0, 0, 0));
FTransform posXform, posStartXform, posEndXform;
posXform.SetTranslation(bone_midpt);
posStartXform.SetTranslation(bone_data[i].point1);
posEndXform.SetTranslation(bone_data[i].point2);
// bone_data[i].xform = scaleXform * FTransform(bone_axis_x, bone_axis_y, bone_axis_z, bone_midpt);
bone_data[i].xform = scaleXform * rotXform * posXform * fixXform;
bone_data[i].startXform = scaleXform * rotXform * posStartXform * fixXform;
bone_data[i].endXform = scaleXform * rotXform * posEndXform * fixXform;
i++;
}
}
