太阳系模拟器物理集成问题（虚幻引擎4，C ++）

因此，我在大学项目中使用C ++在Unreal Engine 4中制作了这个太阳系模拟器，但是，我是C ++和UE4的新手，我精通数学，因此我需要一些帮助，我想使用现在，Euler积分器只是为了获得一些基本物理学知识，并使月球绕地球运行，然后继续使用“速度Verlet”方法并以此方式构建整个太阳系。但是，到目前为止，即使是Euler集成也无法正常工作。这是Moon.cpp中的代码

//Declare the masses
float MMass = 109.456;
float EMass = 1845.833;

//New velocities
float NewMVelX = 0.0;
float NewMVelY = 0.0;
float NewMVelZ = 0.0;

//Distance
float DistanceX = 0.0;
float DistanceY = 0.0;
float DistanceZ = 0.0;

//Earth's velocity
float EVelocityX = 0.0;
float EVelocityY = 0.0;
float EVelocityZ = 0.0;

//Moon's base velocity
float MVelocityX = 0.1;
float MVelocityY = 0.0;
float MVelocityZ = 0.0;

//Moon's acceleration
float MForceX = 0.0;
float MForceY = 0.0;
float MForceZ = 0.0;

//New position
float MPositionX = 0.0;
float MPositionY = 0.0;
float MPositionZ = 0.0;

// Called every frame
void AMoon::Tick(float DeltaTime)
{
    Super::Tick(DeltaTime);

    //Get Earth Location
    FVector EPosition = FVector(0.0, 0.0, 0.0);

    //Get Moon Location
    FVector MPosition = GetActorLocation();

    //Get the distance between the 2 bodies
    DistanceX = (MPosition.X - EPosition.X) / 100;
    DistanceY = (MPosition.Y - EPosition.Y) / 100;
    //DistanceZ = MPosition.Z - EPosition.Z / 100; 


    //Get the acceleration/force for every axis
    MForceX = G * MMass * EMass / (DistanceX * DistanceX);
    MForceY = G * MMass * EMass / (DistanceY * DistanceY);
    //MForceZ = G * MMass * EMass / (DistanceZ * DistanceZ);


    //Get the new velocity
    NewMVelX = MVelocityX + MForceX;
    NewMVelY = MVelocityY + MForceY;
    //NewMVelZ = MVelocityZ + MForceZ * DeltaTime;

    //Get the new location
    MPositionX = (MPosition.X) + NewMVelX;
    MPositionY = (MPosition.Y) + NewMVelY;
    //MPositionZ = MPosition.Z * (MVelocityZ + NewMVelZ) * 0.5 * DeltaTime;

    //Set the new velocity on the old one
    MVelocityX = NewMVelX;
    MVelocityY = NewMVelY;
    //MVelocityZ = NewMVelZ;

    //Assign the new location
    FVector NewMPosition = FVector(MPositionX, MPositionY, MPositionZ);

    //Set the new location
    SetActorLocation(NewMPosition);

}

这些值可能不正确，此时我只是在进行测试。我将此代码基于在Google和多个网站上获得的不同信息，但目前我很困惑。发生的事情是，月亮仅开始向1个方向运行，而永不停止。我知道我的问题是地球的力/加速度/实际重力，它应该拉动月球而不要将其推开。但是无论如何，如果有人知道我在做什么错，我将非常感谢您听到我要说的话！谢谢