minor stuff

2020-06-04 17:39:18 +02:00
parent 016ebc0b00
commit 95e96c86a1
3 changed files with 15 additions and 4 deletions
--- a/src/math/math.cpp
+++ b/src/math/math.cpp
@@ -183,6 +183,17 @@ CQuaternion::Slerp(const CQuaternion &q1, const CQuaternion &q2, float theta, fl
 	}
 }

+void
+CQuaternion::Set(RwV3d *axis, float angle)
+{
+	float halfCos = Cos(angle*0.5f);
+	float halfSin = Sin(angle*0.5f);
+	x = axis->x*halfSin;
+	y = axis->y*halfSin;
+	z = axis->z*halfSin;
+	w = halfCos;
+}
+
 void
 CQuaternion::Get(RwMatrix *matrix)
 {