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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class CameraController : MonoBehaviour
{
public float mouseMoveSpeed;
public float aroundSpeed;
public float zoomSpeed;
private Camera m_Camera;
private void Awake()
{
m_Camera = GetComponent<Camera>();
}
private void Update()
{
if(Input.GetMouseButton(2))
{
float mouseX = Input.GetAxis("Mouse X");
float mouseY = Input.GetAxis("Mouse Y");
Vector3 position = transform.position;
Vector3 forwardDir = Vector3.ProjectOnPlane(transform.forward, Vector3.up).normalized;
position += forwardDir * Time.unscaledDeltaTime * mouseMoveSpeed * -mouseY;
position += transform.right * Time.unscaledDeltaTime * mouseMoveSpeed * -mouseX;
transform.position = position;
}
if(Input.GetMouseButton(1))
{
float mouseX = Input.GetAxis("Mouse X");
float mouseY = Input.GetAxis("Mouse Y");
float y = transform.position.y;
Plane ground = new Plane(Vector3.up, Vector3.zero);
Ray ray = new Ray(transform.position, transform.forward);
float enter;
if(ground.Raycast(ray, out enter))
{
Vector3 point = transform.position + transform.forward * enter;
float angle = mouseX * Time.unscaledDeltaTime * aroundSpeed;
transform.RotateAround(point, Vector3.up, angle);
angle = -mouseY * Time.unscaledDeltaTime * aroundSpeed;
transform.RotateAround(point, transform.right, angle);
}
}
float scroll = Input.mouseScrollDelta.y;
m_Camera.orthographicSize = m_Camera.orthographicSize + -scroll * zoomSpeed * Time.unscaledDeltaTime;
m_Camera.orthographicSize = Mathf.Clamp(m_Camera.orthographicSize, 3, 15);
}
}
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