摄像机移动 ,旋转控制脚本
摘自FXMaker插件
// ---------------------------------------------------------------------------------- // 摄像头控制 // FXMaker // Created by ismoon - 2012 - [email protected] // // [email protected]----------------- using UnityEngine; public class FxmTestMouse : MonoBehaviour { // Attribute ------------------------------------------------------------------------ public Transform m_TargetTrans; public Camera m_GrayscaleCamara; public Shader m_GrayscaleShader; protected bool m_bRaycastHit; protected const float m_fDefaultDistance = 8.0f; protected const float m_fDefaultWheelSpeed= 5.0f; public float m_fDistance = m_fDefaultDistance; public float m_fXSpeed = 350.0f; public float m_fYSpeed = 300.0f; public float m_fWheelSpeed = m_fDefaultWheelSpeed; public float m_fYMinLimit = -90f; public float m_fYMaxLimit = 90f; public float m_fDistanceMin = 1.0f; public float m_fDistanceMax = 50; public int m_nMoveInputIndex = 1; public int m_nRotInputIndex = 0; public float m_fXRot = 0.0f; public float m_fYRot = 0.0f; // HandControl protected bool m_bHandEnable = true; protected Vector3 m_MovePostion; protected Vector3 m_OldMousePos; protected bool m_bLeftClick; protected bool m_bRightClick; // ----------------------------------------------------------------- public void ChangeAngle(float angle) { m_fYRot = angle; m_fXRot = 0; m_MovePostion = Vector3.zero; } public void SetHandControl(bool bEnable) { m_bHandEnable = bEnable; } public void SetDistance(float fDistance) { m_fDistance = fDistance; PlayerPrefs.SetFloat("FxmTestMouse.m_fDistance", m_fDistance); UpdateCamera(true); } // ----------------------------------------------------------------- void OnEnable() { m_fDistance = PlayerPrefs.GetFloat("FxmTestMouse.m_fDistance", m_fDistance); } void Start() { if (Camera.mainCamera == null) return; // Vector3 angles = Camera.mainCamera.transform.eulerAngles; // m_fXRot = angles.y; // m_fYRot = angles.x; // Make the rigid body not change rotation if (rigidbody) rigidbody.freezeRotation = true; } bool IsGUIMousePosition() { Vector2 pos = NgLayout.GetGUIMousePosition(); if (FxmTestMain.inst.GetFXMakerControls().GetActionToolbarRect().Contains(pos)) return true; if (new Rect(0, 0, Screen.width, Screen.height/10+30).Contains(pos)) return true; if (new Rect(0, 0, 40, Screen.height).Contains(pos)) return true; return false; } void Update() { if (IsGUIMousePosition() && (m_bLeftClick == false && m_bRightClick == false)) return; UpdateCamera(false); } public void UpdateCamera(bool bOnlyZoom) { if (Camera.mainCamera == null) return; if (m_fWheelSpeed < 0) m_fWheelSpeed = m_fDefaultWheelSpeed; float fDistRate = m_fDistance / m_fDefaultDistance; float fOldDistance = m_fDistance; if (m_TargetTrans) { m_fDistance = Mathf.Clamp(m_fDistance - Input.GetAxis("Mouse ScrollWheel")*m_fWheelSpeed*fDistRate, m_fDistanceMin, m_fDistanceMax); // ??????.. ?? ???? ???? if (Camera.mainCamera.orthographic) { Camera.mainCamera.orthographicSize = m_fDistance*0.60f; if (m_GrayscaleCamara != null) m_GrayscaleCamara.orthographicSize = m_fDistance*0.60f; } if (!bOnlyZoom && m_bRightClick && Input.GetMouseButton(m_nRotInputIndex)) { m_fXRot += Input.GetAxis("Mouse X") * m_fXSpeed * 0.02f;// * m_fDistance * 0.02f; m_fYRot -= Input.GetAxis("Mouse Y") * m_fYSpeed * 0.02f; } if (!bOnlyZoom && Input.GetMouseButtonDown(m_nRotInputIndex)) m_bRightClick = true; if (!bOnlyZoom && Input.GetMouseButtonUp(m_nRotInputIndex)) m_bRightClick = false; m_fYRot = ClampAngle(m_fYRot, m_fYMinLimit, m_fYMaxLimit); Quaternion rotation = Quaternion.Euler(m_fYRot, m_fXRot, 0); if (m_bRaycastHit) { RaycastHit hit; if (Physics.Linecast (m_TargetTrans.position, Camera.mainCamera.transform.position, out hit)) { m_fDistance -= hit.distance; } } Vector3 negDistance = new Vector3(0.0f, 0.0f, -m_fDistance); Vector3 position = rotation * negDistance + m_TargetTrans.position; Camera.mainCamera.transform.rotation = rotation; Camera.mainCamera.transform.position = position; UpdatePosition(Camera.mainCamera.transform); if (m_GrayscaleCamara != null) { m_GrayscaleCamara.transform.rotation = Camera.mainCamera.transform.rotation; m_GrayscaleCamara.transform.position = Camera.mainCamera.transform.position; } // save if (fOldDistance != m_fDistance) PlayerPrefs.SetFloat("FxmTestMouse.m_fDistance", m_fDistance); } } public static float ClampAngle(float angle, float min, float max) { if (angle < -360F) angle += 360F; if (angle > 360F) angle -= 360F; return Mathf.Clamp(angle, min, max); } void UpdatePosition(Transform camera) { if (m_bHandEnable) { if (Input.GetMouseButtonDown(m_nMoveInputIndex)) { m_OldMousePos = Input.mousePosition; m_bLeftClick = true; } if (m_bLeftClick && Input.GetMouseButton(m_nMoveInputIndex)) { Vector3 currMousePos = Input.mousePosition; float worldlen = NgLayout.GetWorldPerScreenPixel(m_TargetTrans.transform.position); m_MovePostion += (m_OldMousePos - currMousePos) * worldlen; m_OldMousePos = currMousePos; } if (Input.GetMouseButtonUp(m_nMoveInputIndex)) m_bLeftClick = false; } camera.Translate(m_MovePostion, Space.Self); } }
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