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Add methods to the Vector3 type to calculate the dot and cross product.

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This commit is contained in:
Sandu Liviu Catalin 2016-08-04 03:37:26 +03:00
parent 18d0fedb91
commit cb819d417b
2 changed files with 36 additions and 0 deletions
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21
source/Base/Vector3.cpp
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@ -527,6 +527,24 @@ void Vector3::Normalize()
}
}
// ------------------------------------------------------------------------------------------------
Vector3::Value Vector3::DotProduct(const Vector3 & vec) const
{
return ((x * vec.x) + (y * vec.y) + (z * vec.z));
}
// ------------------------------------------------------------------------------------------------
Vector3::Value Vector3::AbsDotProduct(const Vector3 & vec) const
{
return (std::abs(x * vec.x) + std::abs(y * vec.y) + std::abs(z * vec.z));
}
// ------------------------------------------------------------------------------------------------
Vector3 Vector3::CrossProduct(const Vector3 & vec) const
{
return Vector3((y * vec.z) - (z * vec.y), (z * vec.x) - (x * vec.z), (x * vec.y) - (y * vec.x));
}
// ------------------------------------------------------------------------------------------------
Vector3::Value Vector3::GetDistanceTo(const Vector3 & vec) const
{
@ -655,6 +673,9 @@ void Register_Vector3(HSQUIRRELVM vm)
.Func(_SC("SetStr"), &Vector3::SetStr)
.Func(_SC("Clear"), &Vector3::Clear)
.Func(_SC("Normalize"), &Vector3::Normalize)
.Func(_SC("Dot"), &Vector3::DotProduct)
.Func(_SC("AbsDot"), &Vector3::AbsDotProduct)
.Func(_SC("Cross"), &Vector3::CrossProduct)
.Func(_SC("DistanceTo"), &Vector3::GetDistanceTo)
.Func(_SC("SqDistanceTo"), &Vector3::GetSquaredDistanceTo)
// Member Overloads

15
source/Base/Vector3.hpp
View File

@ -374,6 +374,21 @@ struct Vector3
*/
void Normalize();
/* --------------------------------------------------------------------------------------------
* Calculate dot product.
*/
Value DotProduct(const Vector3 & vec) const;
/* --------------------------------------------------------------------------------------------
* Calculate absolute dot product.
*/
Value AbsDotProduct(const Vector3 & vec) const;
/* --------------------------------------------------------------------------------------------
* Calculate cross product.
*/
Vector3 CrossProduct(const Vector3 & vec) const;
/* --------------------------------------------------------------------------------------------
* Return the distance between this vector and another vector.
*/