79 lines
2.3 KiB
C#
79 lines
2.3 KiB
C#
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using UnityEngine;
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public class CameraManager : MonoBehaviour
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{
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[Header("Target Settings")]
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public Transform target;
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[Header("Position Settings")]
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public Vector3 offset = new Vector3(0f, 10f, -5f);
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public float followSpeed = 10f;
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[Header("Zoom Settings")]
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public float zoomSpeed = 5f;
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public float minZoomHeight = 5f;
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public float maxZoomHeight = 15f;
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public float zoomZRatio = 0.5f; // How much Z changes relative to Y when zooming
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// Current zoom level (0 = min zoom, 1 = max zoom)
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private float zoomLevel = 0.5f;
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// Fixed camera rotation
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public Vector3 cameraRotation = new Vector3(45f, 0f, 0f);
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void Start()
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{
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if (target == null)
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{
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Debug.LogWarning("No target assigned to CameraManager!");
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return;
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}
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// Set initial rotation
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transform.eulerAngles = cameraRotation;
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// Position the camera immediately at start
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UpdateCameraPosition(false);
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}
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void LateUpdate()
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{
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if (target == null)
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return;
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// Handle zoom input
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float scrollInput = Input.GetAxis("Mouse ScrollWheel");
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if (scrollInput != 0)
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{
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// Update zoom level
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zoomLevel = Mathf.Clamp01(zoomLevel - scrollInput * zoomSpeed * Time.deltaTime);
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}
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// Update camera position with smoothing
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UpdateCameraPosition(true);
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// Ensure the camera rotation stays fixed
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transform.eulerAngles = cameraRotation;
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}
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void UpdateCameraPosition(bool smooth)
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{
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// Calculate height and Z offset based on zoom level
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float height = Mathf.Lerp(minZoomHeight, maxZoomHeight, zoomLevel);
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float zOffset = -Mathf.Lerp(minZoomHeight * zoomZRatio, maxZoomHeight * zoomZRatio, zoomLevel);
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// Create the target position
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Vector3 targetPosition = target.position + new Vector3(0, height, zOffset);
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if (smooth)
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{
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// Smoothly move towards the target position
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transform.position = Vector3.Lerp(transform.position, targetPosition, followSpeed * Time.deltaTime);
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}
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else
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{
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// Instantly set position
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transform.position = targetPosition;
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}
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}
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}
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