如何使用4x4变换矩阵动态更改对象的仿射变换。（16个元素的浮点数组）

Question

Hi i need to transform an object dynamically in Unity iphone project using the float array of 16 which will be generated using ARToolKit. what is the api in unity 3d to change trasformation.

Answer 1

Every GameObjec t in Unity has a Transform component attached to it. This can be accessed from other components using

Transform trans = gameObject.transform

This component has properties that can be used to alter the object's transformation. Among them are eg

position (Vector3)
rotation (Quaternion)
eulerAngles (Vector3)
localScale (Vector3)
...

You should be able to pull values out of your 4x4 matrix and apply them to these properties. I don't think there's a way to directly apply a matrix to a GameObject.