103 lines
3.3 KiB
C#
103 lines
3.3 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using System.Runtime.Serialization.Formatters;
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using System;
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using UnityEngine;
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public class HS_CameraController : MonoBehaviour
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{
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//camera holder
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public Transform Holder;
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public Vector3 cameraPos = new Vector3(0, 0, 0);
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public float currDistance = 5.0f;
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public float xRotate = 250.0f;
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public float yRotate = 120.0f;
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public float yMinLimit = -20f;
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public float yMaxLimit = 80f;
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public float prevDistance;
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private float x = 0.0f;
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private float y = 0.0f;
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//For camera colliding
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RaycastHit hit;
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public LayerMask collidingLayers = ~0; //Target marker can only collide with scene layer
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private float distanceHit;
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void Start()
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{
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var angles = transform.eulerAngles;
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x = angles.y;
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y = angles.x;
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}
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void LateUpdate()
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{
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if (currDistance < 2)
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{
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currDistance = 2;
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}
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// (currDistance - 2) / 3.5f - constant for far camera position
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var targetPos = Holder.position + new Vector3(0, (distanceHit - 2) / 3f + cameraPos[1], 0);
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currDistance -= Input.GetAxis("Mouse ScrollWheel") * 2;
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if (Holder)
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{
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var pos = Input.mousePosition;
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float dpiScale = 1;
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if (Screen.dpi < 1) dpiScale = 1;
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if (Screen.dpi < 200) dpiScale = 1;
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else dpiScale = Screen.dpi / 200f;
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if (pos.x < 380 * dpiScale && Screen.height - pos.y < 250 * dpiScale) return;
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Cursor.visible = false;
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Cursor.lockState = CursorLockMode.Locked;
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x += (float)(Input.GetAxis("Mouse X") * xRotate * 0.02);
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y -= (float)(Input.GetAxis("Mouse Y") * yRotate * 0.02);
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y = ClampAngle(y, yMinLimit, yMaxLimit);
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var rotation = Quaternion.Euler(y, x, 0);
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var position = rotation * new Vector3(cameraPos[2], 0, -currDistance) + targetPos;
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//If camera collide with collidingLayers move it to this point.
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if (Physics.Raycast(targetPos, position - targetPos, out hit, (position - targetPos).magnitude, collidingLayers))
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{
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transform.position = hit.point;
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//Min(4) distance from ground for camera target point
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distanceHit = Mathf.Clamp(Vector3.Distance(targetPos, hit.point), 4, 600);
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}
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else
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{
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transform.position = position;
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distanceHit = currDistance;
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}
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transform.rotation = rotation;
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}
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else
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{
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Cursor.visible = true;
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Cursor.lockState = CursorLockMode.None;
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}
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if (prevDistance != currDistance)
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{
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prevDistance = currDistance;
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var rot = Quaternion.Euler(y, x, 0);
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// (currDistance - 2) / 3.5f - constant for far camera position
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var po = rot * new Vector3(cameraPos[2], 0, -currDistance) + targetPos;
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transform.rotation = rot;
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transform.position = po;
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}
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}
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static float ClampAngle(float angle, float min, float max)
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{
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if (angle < -360)
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{
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angle += 360;
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}
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if (angle > 360)
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{
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angle -= 360;
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}
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return Mathf.Clamp(angle, min, max);
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}
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} |