private static void ApplyGravityZ(Moon moon1, Moon moon2)
{
if (moon1.Position.Z > moon2.Position.Z)
{
moon1.Velocity.Z--;
moon2.Velocity.Z++;
return;
}
if (moon1.Position.Z < moon2.Position.Z)
{
moon1.Velocity.Z++;
moon2.Velocity.Z--;
return;
}
}
private static void ApplyGravityX(Moon moon1, Moon moon2)
{
if (moon1.Position.X > moon2.Position.X)
{
moon1.Velocity.X--;
moon2.Velocity.X++;
return;
}
if (moon1.Position.X < moon2.Position.X)
{
moon1.Velocity.X++;
moon2.Velocity.X--;
return;
}
}
private static void ApplyGravityY(Moon moon1, Moon moon2)
{
if (moon1.Position.Y > moon2.Position.Y)
{
moon1.Velocity.Y--;
moon2.Velocity.Y++;
return;
}
if (moon1.Position.Y < moon2.Position.Y)
{
moon1.Velocity.Y++;
moon2.Velocity.Y--;
return;
}
}
private static void Step(List <Moon> moons)
{
for (int i = 0; i < moons.Count; i++)
{
// Only apply to moons that are ahead on the list
for (int j = i + 1; j < moons.Count; j++)
{
Moon moon1 = moons[i];
Moon moon2 = moons[j];
ApplyGravityX(moon1, moon2);
ApplyGravityY(moon1, moon2);
ApplyGravityZ(moon1, moon2);
}
}
ApplyVelocity(moons);
}