Function xParCmdRotateAround_Update

src/SB/Core/x/xParCmd.cpp:392–434

}

void xParCmdRotateAround_Update(xParCmd* c, xParGroup* ps, F32 dt)
{
    xPar* p = ps->m_root;
    xParCmdRotateAround* cmd = (xParCmdRotateAround*)c->tasset;

    F32 yaw = PI * (dt * cmd->yaw) / 180.0f;
    F32 radius_growth = dt * cmd->radius_growth;

    while (p)
    {
        xVec3 at;
        xVec3Sub(&at, &cmd->pos, &p->m_pos);

        at.y = 0.0f;

        xMat3x3 lookmat;

        F32 radius = xMat3x3LookVec(&lookmat, &at);

        xVec3 angles;
        xMat3x3GetEuler(&lookmat, &angles);

        angles.x += yaw;

        xMat3x3 rotmat;
        xMat3x3Euler(&rotmat, angles.x, angles.y, angles.z);

        xVec3 var_BC, var_C8;

        // non-matching: f0 and f1 swapped

        var_BC.x = 0.0f;
        var_BC.y = 0.0f;
        var_BC.z = radius + radius_growth;

        xMat3x3RMulVec(&var_C8, &rotmat, &var_BC);

        p->m_pos.x = var_C8.x + cmd->pos.x;
        p->m_pos.z = var_C8.z + cmd->pos.z;

        p = p->m_next;
    }
}

void xParCmdTex_Update(xParCmd* c, xParGroup* ps, F32 dt)
{