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Implement V3::Direction

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josh
2024-01-15 15:20:32 -05:00
parent 03f0193df7
commit fd2289cee3
3 changed files with 12 additions and 1 deletions
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5
include/J3ML/LinearAlgebra/Vector3.h
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@@ -37,6 +37,11 @@ public:
b = b.Normalize(); b = b.Normalize();
} }
//Returns the DirectionVector for a given angle.
Vector3 Direction(const Vector3 &rhs) const;
static void Orthonormalize(Vector3& a, Vector3& b, Vector3& c) static void Orthonormalize(Vector3& a, Vector3& b, Vector3& c)
{ {
a = a.Normalize(); a = a.Normalize();

1
src/J3ML/LinearAlgebra/Matrix3x3.cpp
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@@ -213,7 +213,6 @@ namespace LinearAlgebra {
elems[0][2] = c1*a.x*a.z+s*a.y; elems[0][2] = c1*a.x*a.z+s*a.y;
elems[1][2] = c1*a.y*a.z-s*a.x; elems[1][2] = c1*a.y*a.z-s*a.x;
elems[2][2] = c+c1*a.z*a.z; elems[2][2] = c+c1*a.z*a.z;
} }
Matrix3x3 Matrix3x3::RotateAxisAngle(const Vector3 &axis, float angleRadians) { Matrix3x3 Matrix3x3::RotateAxisAngle(const Vector3 &axis, float angleRadians) {

7
src/J3ML/LinearAlgebra/Vector3.cpp
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@@ -301,5 +301,12 @@ namespace LinearAlgebra {
return lhs.AngleBetween(rhs); return lhs.AngleBetween(rhs);
} }
Vector3 Vector3::Direction(const Vector3 &rhs) const {
float x = (cos(Math::Radians(rhs.y)) * cos(Math::Radians(rhs.x)));
float y = -sin(Math::Radians(rhs.x));
float z = (sin(Math::Radians(rhs.y)) * cos(Math::Radians(rhs.x)));
return {x, y, z};
}
#pragma endregion #pragma endregion
} }