diff options
Diffstat (limited to 'src/math/Vector.h')
| -rw-r--r-- | src/math/Vector.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/math/Vector.h b/src/math/Vector.h index 02128454..a86e4e72 100644 --- a/src/math/Vector.h +++ b/src/math/Vector.h @@ -1,8 +1,12 @@ #pragma once +// TODO(LCS): this should have 16 byte alignment but VS doesn't like passing aligned values by value +// need a solution for this eventually if we ever want to load original assets class CVector : public RwV3d { public: + float w; + CVector(void) {} CVector(float x, float y, float z) { @@ -18,7 +22,7 @@ public: z = v.z; } // (0,1,0) means no rotation. So get right vector and its atan - float Heading(void) const { return Atan2(-x, y); } + float Heading(void) const { return x == 0.0f && y == 0.0f ? 0.0f : Atan2(-x, y); } float Magnitude(void) const { return Sqrt(x*x + y*y + z*z); } float MagnitudeSqr(void) const { return x*x + y*y + z*z; } float Magnitude2D(void) const { return Sqrt(x*x + y*y); } @@ -126,4 +130,7 @@ class CMatrix; CVector Multiply3x3(const CMatrix &mat, const CVector &vec); CVector Multiply3x3(const CVector &vec, const CMatrix &mat); -CVector operator*(const CMatrix &mat, const CVector &vec);
\ No newline at end of file +CVector operator*(const CMatrix &mat, const CVector &vec); + +// we need this because CVector and RwV3d have different size now +void RwV3dTransformPoints(CVector * pointsOut, const CVector * pointsIn, RwInt32 numPoints, const RwMatrix * matrix); |