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using UnityEngine;
1		using UnityEngine;
2		using System.Collections;
3
4		public class pauseFreeCamera : MonoBehaviour {
5
6		float turnSpeed = 2.0f; // Speed of camera turning when mouse moves in along an axis
7		float panSpeed = 1.0f; // Speed of the camera when being panned
8		float zoomSpeed = 1.0f; // Speed of the camera going back and forth
9
10		private Vector3 mouseOrigin; // Position of cursor when mouse dragging starts
11		private bool isPanning; // Is the camera being panned?
12		private bool isRotating; // Is the camera being rotated?
13		private bool isZooming; // Is the camera zooming?
14
15		[HideInInspector]
16		public bool usingPauseFreeCamera = false;
17		[HideInInspector]
18		public bool usingSlowMotion = false;
19
20		public MonoBehaviour[] cameraScriptToDisable;
21
22		float originalTimeScale;
23
24		Vector3 originalCameraPos;
25		Quaternion originalCameraRotation;
26
27		public KeyCode toggleScreenshotModeKey = KeyCode.F10;
28		public KeyCode nextFrameKey = KeyCode.F11;
29		public KeyCode toggleSlowMotionModeKey = KeyCode.F12;
30
31		Transform originalParent;
32
33		private void switchCameraMode()
34		{
35		if (usingPauseFreeCamera)
36		{
37		usingPauseFreeCamera = false;
38		Time.timeScale = 1;
39
40		foreach (var script in cameraScriptToDisable)
41		{
42		script.enabled = true;
43		}
44		transform.localPosition = originalCameraPos;
45		transform.localRotation = originalCameraRotation;
46		transform.parent = originalParent;
47		}
48		else
49		{
50		foreach (var script in cameraScriptToDisable)
51		{
52		script.enabled = false;
53		}
54		originalParent = transform.parent;
55		transform.parent = null;
56		originalCameraRotation = transform.localRotation;
57		originalCameraPos = transform.localPosition;
58		Time.timeScale = 0;
59		usingPauseFreeCamera = true;
60		}
61		}
62
63		IEnumerator AdvanceOneFrame()
64		{
65		Time.timeScale = 0.9f;
66		yield return null;
67		Time.timeScale = 0;
68		}
69
70		void Update()
71		{
72		if (Input.GetKeyDown(nextFrameKey))
73		{
74		StartCoroutine(AdvanceOneFrame());
75		}
76
77		if(Input.GetKeyDown(toggleScreenshotModeKey)) {
78		switchCameraMode();
79		}
80
81		if (Input.GetKeyDown(KeyCode.F12))
82		{
83		usingSlowMotion = !usingSlowMotion;
84		if (usingSlowMotion == false)
85		Time.timeScale = 1;
86		}
87
88		if (usingSlowMotion)
89		{
90		if (Input.GetMouseButtonDown(2) \|\| Input.GetMouseButtonDown(1))
91		{
92		usingSlowMotion = false;
93		if (!usingPauseFreeCamera)
94		switchCameraMode();
95		}
96		if (Input.GetAxis("Mouse ScrollWheel") > 0.1f)
97		{
98		Time.timeScale = Mathf.Clamp(Time.timeScale + 0.35f, 0.1f, 1);
99		}
100		else if (Input.GetAxis("Mouse ScrollWheel") < -0.1f)
101		{
102		Time.timeScale = Mathf.Clamp(Time.timeScale - 0.35f, 0.1f, 1);
103		}
104		}
105
106		if (!usingPauseFreeCamera)
107		return;
108
109		if (Input.GetAxisRaw("Vertical") != 0)
110		{
111		transform.localPosition = transform.localPosition + (transform.forward * Input.GetAxisRaw("Vertical") * 0.035f);
112		}
113		if (Input.GetAxisRaw("Horizontal") != 0)
114		{
115		transform.localPosition = transform.localPosition + (transform.right * Input.GetAxisRaw("Horizontal") * 0.035f);
116		}
117
118		if(Input.GetMouseButtonDown(0))
119		{
120		mouseOrigin = Input.mousePosition;
121		isRotating = true;
122		}
123
124		if(Input.GetMouseButtonDown(1))
125		{
126		mouseOrigin = Input.mousePosition;
127		isPanning = true;
128		}
129
130		if(Input.GetMouseButtonDown(2))
131		{
132		mouseOrigin = Input.mousePosition;
133		isZooming = true;
134		}
135
136		if (!Input.GetMouseButton(0)) isRotating=false;
137		if (!Input.GetMouseButton(1)) isPanning=false;
138		if (!Input.GetMouseButton(2)) isZooming=false;
139
140		if (isRotating)
141		{
142		Vector3 pos = Camera.main.ScreenToViewportPoint(Input.mousePosition - mouseOrigin);
143		transform.RotateAround(transform.localPosition, transform.right, -pos.y * turnSpeed);
144		transform.RotateAround(transform.localPosition, Vector3.up, pos.x * turnSpeed);
145		}
146
147		if (isPanning)
148		{
149		Vector3 pos = Camera.main.ScreenToViewportPoint(Input.mousePosition - mouseOrigin);
150		Vector3 move = new Vector3(pos.x * panSpeed, pos.y * panSpeed, 0);
151		transform.Translate(move, Space.Self);
152		}
153
154		if (isZooming)
155		{
156		Vector3 pos = Camera.main.ScreenToViewportPoint(Input.mousePosition - mouseOrigin);
157
158		Vector3 move = pos.y * zoomSpeed * transform.forward;
159		transform.Translate(move, Space.World);
160		}
161		}
162		}