C# (CSharp) Game.Orig.Math3D Ball.TimerFinish示例

示例#1

文件： RigidBodyTester1.cs 项目： charlierix/AsteroidMiner

        private void RunGravityBall(double elapsedTime, Ball gravityBall, Color color)
        {

            const double GRAVITATIONALCONSTANT = 1000d;

            pictureBox1.FillCircle(color, gravityBall.Position, gravityBall.Radius);

            gravityBall.PrepareForNewTimerCycle();

            MyVector gravityLink = _centerMassWorld - gravityBall.Position;

            double force = GRAVITATIONALCONSTANT * (gravityBall.Mass * _ship.Mass) / gravityLink.GetMagnitudeSquared();

            gravityLink.BecomeUnitVector();
            gravityLink.Multiply(force);

            gravityBall.ExternalForce.Add(gravityLink);

            gravityLink.Multiply(-1d);

            _ship.ExternalForce.Add(gravityLink);

            gravityBall.TimerTestPosition(elapsedTime);
            gravityBall.TimerFinish();

        }