给定方向向量，如何创建旋转矩阵？

Question

我正在尝试旋转对象以使其面对移动的方向。我们希望它面对归一化的速度矢量..帮助...请...

Answer 1

Have you tried Matrix.CreateLookAt ( MSDN )?

// Matrix.CreateLookAt(eyeLocation, lookAt, upVector); 
Matrix.CreateLookAt(currentPosition, currentPosition + velocity, Vector.Up);