diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/raymath.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/raymath.h b/src/raymath.h index 86d2c8eb..def8bfd4 100644 --- a/src/raymath.h +++ b/src/raymath.h @@ -713,6 +713,32 @@ RMAPI Vector3 Vector3Normalize(Vector3 v) return result; } +//Calculate the projection of the vector v1 on to v2 +RMAPI Vector3 Vector3Project(Vector3 v1, Vector3 v2) +{ + float v1dv2 = (v1.x*v2.x + v1.y*v2.y + v1.z*v2.z); + float v2dv2 = (v2.x*v2.x + v2.y*v2.y + v2.z*v2.z); + + float mag = v1dv2/v2dv2; + + Vector3 result = { v2.x*mag , v2.y*mag, v2.z*mag }; + + return result; +} + +//Calculate the rejection of the vector v1 on to v2 +RMAPI Vector3 Vector3Reject(Vector3 v1, Vector3 v2) +{ + float v1dv2 = (v1.x*v2.x + v1.y*v2.y + v1.z*v2.z); + float v2dv2 = (v2.x*v2.x + v2.y*v2.y + v2.z*v2.z); + + float mag = v1dv2/v2dv2; + + Vector3 result = { v1.x - (v2.x*mag) , v1.y - (v2.y*mag), v1.z - (v2.z*mag) }; + + return result; +} + // Orthonormalize provided vectors // Makes vectors normalized and orthogonal to each other // Gram-Schmidt function implementation |