c# - Using Mathf.Clamp in unity for boundries -

c# - Using Mathf.Clamp in unity for boundries -

i making 2d space shooter mobile game. trying set boundary ship not go out of screen. can move ship tilting phone. have shipcontroller.cs attached ship object. , fixedupdate function:

public float xmin, xmax, ymin, ymax; void fixedupdate() { //tilt move ship transform.translate(input.acceleration.x * speed, input.acceleration.y * speed, 0); //create boundries rigidbody2d.position = new vector2( mathf.clamp(rigidbody2d.position.x, xmin, xmax), mathf.clamp(rigidbody2d.position.y, ymin, ymax) ); }

the min , max values defined in unity inspector. code works great if testing on pc. when exporting phone, motion jittery , glitches. ship boundary , kind of start jumping. motion when tilting not smooth. there other way create smoother?

try changing code update instead of fixedupdate. i'm guessing there multiple updates called between fixed updates. reason ship getting first on boarder @ multiple frames , returned @ next fixed update.

when using update, need handle delta time yourself. otherwise speed different in different fps. can done multiplying speed deltatime:

public float xmin, xmax, ymin, ymax; void update() { //tilt move ship transform.translate(input.acceleration.x * speed * time.deltatime, input.acceleration.y * speed * time.deltatime, 0); //create boundries transform.position = new vector2( mathf.clamp(transform.position.x, xmin, xmax), mathf.clamp(transform.position.y, ymin, ymax) ); }

after multiplying deltatime value of speed way small. need utilize time find proper value again.

c# unity3d boundary