133 lines
4.1 KiB
C#
133 lines
4.1 KiB
C#
using System;
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using UnityEngine;
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using UnityEngine.InputSystem;
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public class CameraController : MonoBehaviour
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{
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[SerializeField] private float moveSpeed;
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[SerializeField] private float rotationSpeed;
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[SerializeField] private float zoomSpeed;
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[SerializeField] private float minZoom;
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[SerializeField] private float maxZoom;
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[SerializeField] private Texture2D defaultCursor, buildCursor, destroyCursor, attackCursor, interactCursor, constructionCursor;
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private Vector2 moveInput;
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private float rotateInput;
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private float zoomInput;
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// Start is called once before the first execution of Update after the MonoBehaviour is created
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void Start()
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{
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Cursor.lockState = CursorLockMode.Confined;
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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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ApplyCursorTexture();
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ApplyMovement();
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ApplyRotation();
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ApplyZoom();
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}
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private void ApplyCursorTexture()
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{
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var camera = Camera.main;
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if (camera == null)
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return;
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Vector2 mousePosition = Mouse.current.position.ReadValue();
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Ray ray = camera.ScreenPointToRay(mousePosition);
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if (Physics.Raycast(ray, out RaycastHit hitInfo, Mathf.Infinity))
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{
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if (hitInfo.collider.TryGetComponent(out Building building))
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{
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Building.BuildingState buildingState = building.GetBuildingState();
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switch (buildingState)
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{
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case Building.BuildingState.Unbuilt:
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Cursor.SetCursor(buildCursor, Vector2.zero, CursorMode.Auto);
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break;
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case Building.BuildingState.Constructing:
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Cursor.SetCursor(constructionCursor, Vector2.zero, CursorMode.Auto);
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break;
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case Building.BuildingState.Active:
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Cursor.SetCursor(interactCursor, Vector2.zero, CursorMode.Auto);
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break;
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case Building.BuildingState.Destroyed:
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Cursor.SetCursor(destroyCursor, Vector2.zero, CursorMode.Auto);
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break;
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}
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}
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else
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{
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Cursor.SetCursor(defaultCursor, Vector2.zero, CursorMode.Auto);
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}
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}
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}
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// called when we press down the left mouse interact input
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public void OnInteractInput(InputAction.CallbackContext context)
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{
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if (!context.performed)
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return;
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var camera = Camera.main;
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if (camera == null)
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return;
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Vector2 mousePosition = Mouse.current.position.ReadValue();
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Ray ray = camera.ScreenPointToRay(mousePosition);
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if (Physics.Raycast(ray, out RaycastHit hitInfo, Mathf.Infinity))
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{
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if (hitInfo.collider.TryGetComponent(out Building building))
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{
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//building.Interact();
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}
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}
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}
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public void OnMoveInput(InputAction.CallbackContext context)
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{
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moveInput = context.ReadValue<Vector2>();
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}
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public void OnRotateInput(InputAction.CallbackContext context)
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{
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rotateInput = context.ReadValue<float>();
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}
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public void OnZoomInput(InputAction.CallbackContext context)
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{
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zoomInput = context.ReadValue<float>();
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}
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private void ApplyMovement()
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{
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if (moveInput == Vector2.zero)
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return;
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Vector3 moveDirection = new Vector3(moveInput.x, 0f, moveInput.y);
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transform.Translate(moveDirection * moveSpeed * Time.deltaTime, Space.World);
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}
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private void ApplyRotation()
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{
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if (Mathf.Approximately(rotateInput, 0f))
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return;
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transform.Rotate(Vector3.up, rotateInput * rotationSpeed * Time.deltaTime);
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}
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private void ApplyZoom()
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{
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if (Mathf.Approximately(zoomInput, 0f))
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return;
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float newY = Mathf.Clamp(transform.position.y + zoomInput * zoomSpeed * Time.deltaTime, minZoom, maxZoom);
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transform.position = new Vector3(transform.position.x, newY, transform.position.z);
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}
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}
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