//----------------------------------------------------------------------------
// Quaternion
Quaternion StringConv::quaternionFromString(const String& _str, size_t _start, size_t& _readcount)
{
Vector3 vec = fromString<Vector3>(_str, _start, _readcount);
if(!_readcount)
return Quaternion::ZERO;
Radian xAngle(Degree(vec.x));
Radian yAngle(Degree(vec.y));
Radian zAngle(Degree(vec.z));
Matrix3 mat;
mat.FromEulerAnglesXYZ(xAngle, yAngle, zAngle);
Quaternion q(mat);
return q;
}
void Element::go(float delta)
{
if (gif)
{
tex = TEX[gif_count];
gif_count = (gif_count + 1) % TEX.size();
}
if (!speed) return;
if (moveto == 0)
{
pos += v * delta;
}
if (moveto == 1)
{
float len = length(Goal - pos);
float vlen = length(v * delta);
if (vlen >= len)
{
pos = Goal;
speed = false;
}
else
{
pos += v * delta;
}
}
if (moveto == 2)
{
t = t + 0.015;
v = Start*2*(t-1) + Control*2*(1-2*t) + Goal*2*t;
A = xAngle(v)/PI*180;
if (t >= 1)
{
pos = Goal;
speed = false;
}
else
{
pos = Start * (1-t)*(1-t) + Control*2*t*(1-t) + Goal*t*t;
}
}
}