How to make Camera Snaps from one area to another?

Question

i was going to make a Camera mechanic like one in Castlevania, Megaman, etc, where your camera moves and snaps to the next Area if you enter a doorway(OnTrigger). here's how it works

 private void OnTriggerEnter2D(Collider2D collision)
     {
         if (collision.gameObject.CompareTag("Transition"))
         {
             Debug.Log(FieldIndex);
             FieldIndex++;               
             Field[FieldIndex-1].SetActive(false);
             Field[FieldIndex].SetActive(true);
             PlayerCamera.transform.position = new Vector3(Field[FieldIndex].transform.position.x, Field[FieldIndex].transform.position.y, PlayerCamera.transform.position.z);
         }

This is for the player script. the player itselfs automatically moves. and i have an array consist of 10x10 tilemaps. but the problem is it won't doing it's second transition. so when the array reaches the third field(index 2), the camera won't snap on the next field. i know there's an alternative, where you have to disable(Setactive) each camera that becomes the area's children gameobject. but i wanted to keep it only using single camera. so how to fix this?

Answer 1

Answer by misher · Oct 09, 2019 at 10:48 AM

Create a custom script, TransitionArea for example, attach it to the object with trigger collider. Then create empty object to represent the desired viewing position and angle when you reach the trigger, make it a child of your object. Reference its transform from your custom script, call it smt like viewPoint. Now, on trigger enter, get the script like so: collision.gameObject.GetComponen<TransitionArea>() where you can get the viewPoint and so make your camera position and rotation to match viewPoint's pos and rot. You can also implement smooth transition in a Coroutine using Vector3.Lerp and Quaternion.Slerp

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BuzzardRaze765 · Oct 09, 2019 at 03:25 PM 0

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sounds complicated. but can i write this without adding a new script?

misher BuzzardRaze765 · Oct 10, 2019 at 08:20 AM 0

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There is nothing complicated here, it's not about making some complex new script, rather to create and organize viewing points references. It is convenient to use auxiliary transforms (empty game objects) to define your viewing point and reference them in the inspector. You can also use your scene camera to define your viewing points, move your camera in scene where you want, select your empty object and press Ctrl+Shift+F and your empty object will be set to the same position and rotation as camera.

Explain better in detail how do you want to setup your transitions, so we can come up with better design.

How to make Camera Snaps from one area to another?

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