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authoraap <aap@papnet.eu>2020-06-04 17:39:18 +0200
committeraap <aap@papnet.eu>2020-06-04 17:39:26 +0200
commit95e96c86a1924a98c648fbcd251c9dca5d66c4bb (patch)
tree57e724bb453e10526346722af47c359bc90bbbab /src/math
parentfixes, mostly from miami (diff)
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Diffstat (limited to '')
-rw-r--r--src/math/Quaternion.h1
-rw-r--r--src/math/math.cpp11
2 files changed, 12 insertions, 0 deletions
diff --git a/src/math/Quaternion.h b/src/math/Quaternion.h
index 1d04bdff..dac49362 100644
--- a/src/math/Quaternion.h
+++ b/src/math/Quaternion.h
@@ -60,6 +60,7 @@ public:
}
void Slerp(const CQuaternion &q1, const CQuaternion &q2, float theta, float invSin, float t);
+ void Set(RwV3d *axis, float angle);
void Get(RwMatrix *matrix);
};
diff --git a/src/math/math.cpp b/src/math/math.cpp
index 29f18d03..0cfc2ce9 100644
--- a/src/math/math.cpp
+++ b/src/math/math.cpp
@@ -184,6 +184,17 @@ 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)
{
float x2 = x+x;