From 3e36428568d1b26306a9639ed04aa49b578ac74e Mon Sep 17 00:00:00 2001
From: aap <aap@papnet.eu>
Date: Thu, 4 Jun 2020 17:38:41 +0200
Subject: more CBike and fixes

---
 src/math/math.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/math/math.cpp')

diff --git a/src/math/math.cpp b/src/math/math.cpp
index e8b459ae..0661dcac 100644
--- a/src/math/math.cpp
+++ b/src/math/math.cpp
@@ -170,6 +170,17 @@ 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)
 {
-- 
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