public void QuatConjTest()
{
Quat originalOurs = Quat.FromEuler(12 * Mathf.Deg2Rad, 97 * Mathf.Deg2Rad, 215 * Mathf.Deg2Rad);
Quaternion originalUnity = UnityUtil.FromQuat(originalOurs);
Quat qOurs = originalOurs.Conjugate();
Quaternion qUnity = Quaternion.Inverse(originalUnity);
TestUtils.AssertQuat(qOurs, qUnity.w, qUnity.x, qUnity.y, qUnity.z);
}
static Vector RotateAbout(Vector _Point, Vector _Pivot, Quat _Rotation)
{
Quat Q = new Quat(0.0f, _Point - _Pivot);
Quat RotConjugate = _Rotation;
RotConjugate.Conjugate();
Quat Pr = QuatMultiply(QuatMultiply(_Rotation, Q), RotConjugate);
Vector Protated = Pr.qv;
return(_Pivot + Protated);
}
public Vec3 RotateAround(float angle, Vec3 axis)
{
// rotate into world space
Quat quaternion = Quat.AngleAxis(0, axis);
quaternion = quaternion.Conjugate();
Vec3 worldSpaceVector = quaternion.Transform(this);
// rotate back to vector space
quaternion = Quat.AngleAxis(angle, axis);
worldSpaceVector = quaternion.Transform(worldSpaceVector);
return(worldSpaceVector);
}
public static Quat Conjugate(Quat q)
{
return(Quat.Conjugate(q));
}
public void Quat4()
{
FQuat fq = FQuat.Euler(( Fix64 )45, ( Fix64 )(-23), ( Fix64 )(-48.88));
FQuat fq2 = FQuat.Euler(( Fix64 )23, ( Fix64 )(-78), ( Fix64 )(-132.43f));
Quat q = Quat.Euler(45, -23, -48.88f);
Quat q2 = Quat.Euler(23, -78, -132.43f);
FVec3 fv = new FVec3(12.5f, 9, 8);
FVec3 fv2 = new FVec3(1, 0, 0);
Vec3 v = new Vec3(12.5f, 9, 8);
Vec3 v2 = new Vec3(1, 0, 0);
this._output.WriteLine(fq.ToString());
this._output.WriteLine(q.ToString());
this._output.WriteLine(fq2.ToString());
this._output.WriteLine(q2.ToString());
Fix64 fa = FQuat.Angle(fq, fq2);
float a = Quat.Angle(q, q2);
this._output.WriteLine(fa.ToString());
this._output.WriteLine(a.ToString());
fq = FQuat.AngleAxis(( Fix64 )(-123.324), fv);
q = Quat.AngleAxis(-123.324f, v);
this._output.WriteLine(fq.ToString());
this._output.WriteLine(q.ToString());
fa = FQuat.Dot(fq, fq2);
a = Quat.Dot(q, q2);
this._output.WriteLine(fa.ToString());
this._output.WriteLine(a.ToString());
fq = FQuat.FromToRotation(FVec3.Normalize(fv), fv2);
q = Quat.FromToRotation(Vec3.Normalize(v), v2);
this._output.WriteLine(fq.ToString());
this._output.WriteLine(q.ToString());
fq = FQuat.Lerp(fq, fq2, ( Fix64 )0.66);
q = Quat.Lerp(q, q2, 0.66f);
this._output.WriteLine(fq.ToString());
this._output.WriteLine(q.ToString());
fq = FQuat.Normalize(fq);
q.Normalize();
this._output.WriteLine(fq.ToString());
this._output.WriteLine(q.ToString());
fq.Inverse();
q = Quat.Inverse(q);
this._output.WriteLine(fq.ToString());
this._output.WriteLine(q.ToString());
fv = FQuat.Orthogonal(fv);
v = Quat.Orthogonal(v);
this._output.WriteLine(fv.ToString());
this._output.WriteLine(v.ToString());
fq = FQuat.Slerp(fq, fq2, ( Fix64 )0.66);
q = Quat.Slerp(q, q2, 0.66f);
this._output.WriteLine(fq.ToString());
this._output.WriteLine(q.ToString());
fq = FQuat.LookRotation(FVec3.Normalize(fv), fv2);
q = Quat.LookRotation(Vec3.Normalize(v), v2);
this._output.WriteLine(fq.ToString());
this._output.WriteLine(q.ToString());
fq.ToAngleAxis(out fa, out fv);
q.ToAngleAxis(out a, out v);
this._output.WriteLine(fa.ToString());
this._output.WriteLine(a.ToString());
this._output.WriteLine(fv.ToString());
this._output.WriteLine(v.ToString());
fq = fq.Conjugate();
q = q.Conjugate();
this._output.WriteLine(fq.ToString());
this._output.WriteLine(q.ToString());
fq.SetLookRotation(FVec3.Normalize(fv), fv2);
q.SetLookRotation(Vec3.Normalize(v), v2);
this._output.WriteLine(fq.ToString());
this._output.WriteLine(q.ToString());
}