87 lines
2.7 KiB
C#
87 lines
2.7 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class PlayerCamera : MonoBehaviour
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{
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public float normalSpeed = 0.0035f;
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public float shiftSpeed = 0.06f;
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public float zoomSpeed = -10.0f;
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public float rotateSpeed = 0.1f;
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public float maxHeight = 40f;
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public float minHeight = 6f;
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public Vector2 startMouseP;
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public Vector2 dragMouseP;
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private float speed;
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// Start is called before the first frame update
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void Start()
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{
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}
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// Update is called once per frame
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void Update()
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{
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// shift to speed UP
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if (Input.GetKey(KeyCode.LeftShift))
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{
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speed = shiftSpeed;
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zoomSpeed = 20.0f;
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}
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else
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{
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speed = normalSpeed;
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zoomSpeed = 10.0f;
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}
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float hsp = transform.position.y * speed * Input.GetAxis("Horizontal"); // horizontal movement speed
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float vsp = transform.position.y * speed * Input.GetAxis("Vertical"); // vertical movement speed
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float scrollSp = Mathf.Log(transform.position.y) * -zoomSpeed * Input.GetAxis("Mouse ScrollWheel"); // scroll speed
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// camera height limit
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if (transform.position.y + scrollSp > maxHeight)
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{
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scrollSp = maxHeight - transform.position.y;
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}
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else if (transform.position.y + scrollSp < minHeight)
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{
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scrollSp = minHeight - transform.position.y;
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}
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Vector3 verticalMove = new Vector3(0,scrollSp,0); // vertical movement
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Vector3 lateralMove = hsp * transform.right; // lateral movement in global world ignore camera facing
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Vector3 fowardMove = transform.forward; // forward movement in global world ignore camera facing
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fowardMove.y = 0; // ignore y axis
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fowardMove = vsp * fowardMove.normalized; // normalize the vector
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Vector3 move = verticalMove + lateralMove + fowardMove; // total movement
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transform.position += move; // move the camera
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CameraRotation();
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}
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void CameraRotation()
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{
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// camera rotation while press middle mousebutton
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if(Input.GetMouseButtonDown(2))
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{
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startMouseP = Input.mousePosition;
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}
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if (Input.GetMouseButton(2))
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{
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dragMouseP = Input.mousePosition;
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float dx = (dragMouseP - startMouseP).x * rotateSpeed;
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float dy = (dragMouseP - startMouseP).y * rotateSpeed;
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transform.rotation *= Quaternion.Euler(new Vector3(0, dx, 0));
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transform.GetChild(0).rotation *= Quaternion.Euler(new Vector3(-dy, 0, 0));
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startMouseP = dragMouseP;
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}
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}
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}
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