68 lines
2.4 KiB
C#
68 lines
2.4 KiB
C#
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using UnityEngine;
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namespace WarriorAnims
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{
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public class CameraController:MonoBehaviour
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{
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public GameObject cameraTarget;
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public float cameraTargetOffsetY = 1.0f;
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private Vector3 cameraTargetOffset;
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public float rotateSpeed = 1.0f;
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private float rotate;
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public float height = 2.75f;
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public float distance = 1.25f;
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public float zoomAmount = 0.2f;
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public float smoothing = 2.0f;
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private Vector3 offset;
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private bool following = true;
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private Vector3 lastPosition;
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private void Awake()
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{
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if (!cameraTarget) { cameraTarget = GameObject.FindWithTag("Player"); }
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}
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private void Start()
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{
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offset = new Vector3(cameraTarget.transform.position.x, cameraTarget.transform.position.y + height, cameraTarget.transform.position.z - distance);
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lastPosition = new Vector3(cameraTarget.transform.position.x, cameraTarget.transform.position.y + height, cameraTarget.transform.position.z - distance);
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}
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private void Update()
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{
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// Follow cam.
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if (Input.GetKeyDown(KeyCode.F)) {
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if (following) { following = false; }
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else { following = true; }
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}
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if (following) { CameraFollow(); }
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else { transform.position = lastPosition; }
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// Rotate cam.
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if (Input.GetKey(KeyCode.Q)) { rotate = -1; }
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else if (Input.GetKey(KeyCode.E)) { rotate = 1; }
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else { rotate = 0; }
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// Mouse zoom.
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if (Input.mouseScrollDelta.y == 1) { distance += zoomAmount; height += zoomAmount; }
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else if (Input.mouseScrollDelta.y == -1) { distance -= zoomAmount; height -= zoomAmount; }
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// Set cameraTargetOffset as cameraTarget + cameraTargetOffsetY.
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cameraTargetOffset = cameraTarget.transform.position + new Vector3(0, cameraTargetOffsetY, 0);
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// Smoothly look at cameraTargetOffset.
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transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.LookRotation(cameraTargetOffset - transform.position), Time.deltaTime * smoothing);
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}
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private void CameraFollow()
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{
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offset = Quaternion.AngleAxis(rotate * rotateSpeed, Vector3.up) * offset;
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transform.position = new Vector3(Mathf.Lerp(lastPosition.x, cameraTarget.transform.position.x + offset.x, smoothing * Time.deltaTime),
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Mathf.Lerp(lastPosition.y, cameraTarget.transform.position.y + offset.y * height, smoothing * Time.deltaTime),
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Mathf.Lerp(lastPosition.z, cameraTarget.transform.position.z + offset.z * distance, smoothing * Time.deltaTime));
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}
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private void LateUpdate()
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{ lastPosition = transform.position; }
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}
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}
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