[Natsheh]

Alright but what if the drone had a pitch of a 90 degree, it won't be rolling will it be?

[Natsheh]

I was able to make a pitching rotation around any arbitrary axis, but the problem now is with rolling the drone in any arbitrary axis, here's the code.

Spoiler

PHP Code:


            if(iButtons & IN_MOVERIGHT || iButtons & IN_RIGHT)
            {
                fAngle[1] = -5.0;
                entity_set_float(ent, DRONE_ROTATION_SIDEWAY, fAngle[1]);

                angle_vector(fvAngles, ANGLEVECTOR_FORWARD, fVector);
                fVector[2] *= -1.0;

                rotate_3dvector(fVector, 0.0, 0.0, fAngle[1], fVector);
                vector_to_angle(fVector, fvAngles);
            }
            else if(iButtons & IN_MOVELEFT || iButtons & IN_LEFT)
            {
                fAngle[1] = 5.0;
                entity_set_float(ent, DRONE_ROTATION_SIDEWAY, fAngle[1]);

                angle_vector(fvAngles, ANGLEVECTOR_FORWARD, fVector);
                fVector[2] *= -1.0;

                rotate_3dvector(fVector, 0.0, fAngle[1], 0.0, fVector);
                vector_to_angle(fVector, fvAngles);
            }
            else if(iButtons & IN_JUMP)
            {
                fAngle[0] = -5.0;
                entity_set_float(ent, DRONE_ROTATION_UPWARDS, fAngle[0]);

                angle_vector(Float:{0.0,0.0,0.0}, ANGLEVECTOR_FORWARD, fVector);
                fVector[2] *= -1.0;
                //draw_line(iOwner, fVector[0], fVector[1], fVector[2], fVector[0]*50.0, fVector[1]*50.0, fVector[2]*50.0, {0,0,255})
                //cprint_chat(0, _, "J#1 fvAngles Pitch : %.2f   Yaw : %.2f   Roll: %.2f", fvAngles[0], fvAngles[1], fvAngles[2]);
                rotate_3dvector(fVector, fAngle[0], 0.0, 0.0, fVector);
                //draw_line(iOwner, fVector[0], fVector[1], fVector[2], fVector[0]*50.0, fVector[1]*50.0, fVector[2]*50.0, {0,255,255})
                vector_to_angle(fVector, fVector);
                xs_vec_add(fVector, fvAngles, fvAngles);
                //cprint_chat(0, _, "J#2 fvAngles Pitch : %.2f   Yaw : %.2f   Roll: %.2f", fvAngles[0], fvAngles[1], fvAngles[2]);
            }
            else if(iButtons & IN_DUCK)
            {
                fAngle[0] = 5.0;
                entity_set_float(ent, DRONE_ROTATION_UPWARDS, fAngle[0]);

                angle_vector(Float:{0.0,0.0,0.0}, ANGLEVECTOR_FORWARD, fVector);
                fVector[2] *= -1.0;
                //draw_line(iOwner, fVector[0], fVector[1], fVector[2], fVector[0]*50.0, fVector[1]*50.0, fVector[2]*50.0, {0,0,255})
                //cprint_chat(0, _, "D#1 fvAngles Pitch : %.2f   Yaw : %.2f   Roll: %.2f", fvAngles[0], fvAngles[1], fvAngles[2]);
                rotate_3dvector(fVector, fAngle[0], 0.0, 0.0, fVector);
                //draw_line(iOwner, fVector[0], fVector[1], fVector[2], fVector[0]*50.0, fVector[1]*50.0, fVector[2]*50.0, {0,255,255})
                vector_to_angle(fVector, fVector);
                xs_vec_add(fVector, fvAngles, fvAngles);
                //cprint_chat(0, _, "D#2 fvAngles Pitch : %.2f   Yaw : %.2f   Roll: %.2f", fvAngles[0], fvAngles[1], fvAngles[2]);
            }

stock rotate_3dvector(Float:fInput_Vector[3], Float:fPitch=0.0, Float:fYaw=0.0, Float:fRoll=0.0, Float:fOutput_Vector[3])
{
    new
    Float:sy = floatsin(fYaw, degrees),
    Float:cy = floatcos(fYaw, degrees),
    Float:sp = floatsin(fPitch, degrees),
    Float:cp = floatcos(fPitch, degrees),
    Float:sr = floatsin(fRoll, degrees),
    Float:cr = floatcos(fRoll, degrees);

    static Float:fMatrix[3][3];

    fMatrix[0][0] = cp*cy;
    fMatrix[0][1] = (cp*(-sy)*cr)+(sp*sr);
    fMatrix[0][2] = (cp*(-sy)*(-sr))+(sp*cr);

    fMatrix[1][0] = sy;
    fMatrix[1][1] = cy*cr;
    fMatrix[1][2] = cy*(-sr);

    fMatrix[2][0] = (-sp)*cy;
    fMatrix[2][1] = ((-sp)*(-sy)*cr)+(cp*sr);
    fMatrix[2][2] = ((-sp)*(-sy)*(-sr))+(cp*cr);

    for(new i=0; i < 3; i++)
    {
        fOutput_Vector[i] = (fInput_Vector[0] * fMatrix[i][0]) + (fInput_Vector[1] * fMatrix[i][1]) + (fInput_Vector[2] * fMatrix[i][2])
    }
} 


now when rolling the drone it will rotate the drone nose around the x axis.