Mirrors/bx
1
0
Fork 0
mirror of https://github.com/bkaradzic/bx.git synced 2026-02-17 20:52:37 +01:00
Code Issues Packages Projects Releases Wiki Activity

Fixed bug for right handedness case in mtxLookAt function (#309)

Browse Source
This commit is contained in:
Petr Petrovich Petrov
2023-10-15 18:19:52 +03:00
committed by GitHub
parent 44a5a7b8bc
commit 97332257ff
1 changed files with 8 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/math.cpp
View File

@@ -243,8 +243,11 @@ namespace bx
void mtxLookAt(float* _result, const Vec3& _eye, const Vec3& _at, const Vec3& _up, Handedness::Enum _handedness)
{
const Vec3 eye = Handedness::Left == _handedness ? _eye : neg(_eye);
const Vec3 view = normalize(sub(_at, eye) );
const Vec3 view = normalize(
Handedness::Right == _handedness
? sub(_eye, _at)
: sub(_at, _eye)
);
Vec3 right = bx::InitNone;
Vec3 up = bx::InitNone;
@@ -277,9 +280,9 @@ namespace bx
_result[10] = view.z;
_result[11] = 0.0f;
_result[12] = -dot(right, eye);
_result[13] = -dot(up, eye);
_result[14] = -dot(view, eye);
_result[12] = -dot(right, _eye);
_result[13] = -dot(up, _eye);
_result[14] = -dot(view, _eye);
_result[15] = 1.0f;
}