1 files changed, 234 insertions, 0 deletions
diff --git a/RTP_MouseOrbit_DynamicDistance.cs b/RTP_MouseOrbit_DynamicDistance.cs
new file mode 100644
index 0000000..2965b07
--- /dev/null
+++ b/RTP_MouseOrbit_DynamicDistance.cs
@@ -0,0 +1,234 @@
+using UnityEngine;
+
+[AddComponentMenu("Relief Terrain/Helpers/Mouse Orbit - Dynamic Distance")]
+public class RTP_MouseOrbit_DynamicDistance : MonoBehaviour
+{
+	public GameObject target;
+
+	public Transform targetFocus;
+
+	public float distance = 1f;
+
+	[Range(0.1f, 8f)]
+	public float ZoomWheelSpeed = 4f;
+
+	public float minDistance = 0.5f;
+
+	public float maxDistance = 10f;
+
+	public float xSpeed = 250f;
+
+	public float ySpeed = 120f;
+
+	public float xObjSpeed = 250f;
+
+	public float yObjSpeed = 120f;
+
+	public float yMinLimit = -20f;
+
+	public float yMaxLimit = 80f;
+
+	private float x;
+
+	private float y;
+
+	private float normal_angle;
+
+	private float cur_distance;
+
+	private float cur_xSpeed;
+
+	private float cur_ySpeed;
+
+	private float req_xSpeed;
+
+	private float req_ySpeed;
+
+	private float cur_ObjxSpeed;
+
+	private float cur_ObjySpeed;
+
+	private float req_ObjxSpeed;
+
+	private float req_ObjySpeed;
+
+	private bool DraggingObject;
+
+	private bool lastLMBState;
+
+	private Collider[] surfaceColliders;
+
+	private float bounds_MaxSize = 20f;
+
+	[HideInInspector]
+	public bool disableSteering;
+
+	private void Start()
+	{
+		Vector3 eulerAngles = base.transform.eulerAngles;
+		x = eulerAngles.y;
+		y = eulerAngles.x;
+		Reset();
+	}
+
+	public void DisableSteering(bool state)
+	{
+		disableSteering = state;
+	}
+
+	public void Reset()
+	{
+		lastLMBState = Input.GetMouseButton(0);
+		disableSteering = false;
+		cur_distance = distance;
+		cur_xSpeed = 0f;
+		cur_ySpeed = 0f;
+		req_xSpeed = 0f;
+		req_ySpeed = 0f;
+		surfaceColliders = null;
+		cur_ObjxSpeed = 0f;
+		cur_ObjySpeed = 0f;
+		req_ObjxSpeed = 0f;
+		req_ObjySpeed = 0f;
+		if (!target)
+		{
+			return;
+		}
+		Renderer[] componentsInChildren = target.GetComponentsInChildren<Renderer>();
+		Bounds bounds = default(Bounds);
+		bool flag = false;
+		Renderer[] array = componentsInChildren;
+		foreach (Renderer renderer in array)
+		{
+			if (!flag)
+			{
+				flag = true;
+				bounds = renderer.bounds;
+			}
+			else
+			{
+				bounds.Encapsulate(renderer.bounds);
+			}
+		}
+		Vector3 size = bounds.size;
+		float num = ((!(size.x > size.y)) ? size.y : size.x);
+		num = ((!(size.z > num)) ? num : size.z);
+		bounds_MaxSize = num;
+		cur_distance += bounds_MaxSize * 1.2f;
+		surfaceColliders = target.GetComponentsInChildren<Collider>();
+	}
+
+	private void LateUpdate()
+	{
+		if (!target || !targetFocus)
+		{
+			return;
+		}
+		if (!lastLMBState && Input.GetMouseButton(0))
+		{
+			DraggingObject = false;
+			if (surfaceColliders != null)
+			{
+				RaycastHit hitInfo = default(RaycastHit);
+				Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
+				Collider[] array = surfaceColliders;
+				foreach (Collider collider in array)
+				{
+					if (collider.Raycast(ray, out hitInfo, float.PositiveInfinity))
+					{
+						DraggingObject = true;
+						break;
+					}
+				}
+			}
+		}
+		else if (lastLMBState && !Input.GetMouseButton(0))
+		{
+			DraggingObject = false;
+		}
+		lastLMBState = Input.GetMouseButton(0);
+		if (DraggingObject)
+		{
+			if (Input.GetMouseButton(0) && !disableSteering)
+			{
+				req_ObjxSpeed += (Input.GetAxis("Mouse X") * xObjSpeed * 0.02f - req_ObjxSpeed) * Time.deltaTime * 10f;
+				req_ObjySpeed += (Input.GetAxis("Mouse Y") * yObjSpeed * 0.02f - req_ObjySpeed) * Time.deltaTime * 10f;
+			}
+			else
+			{
+				req_ObjxSpeed += (0f - req_ObjxSpeed) * Time.deltaTime * 4f;
+				req_ObjySpeed += (0f - req_ObjySpeed) * Time.deltaTime * 4f;
+			}
+			req_xSpeed += (0f - req_xSpeed) * Time.deltaTime * 4f;
+			req_ySpeed += (0f - req_ySpeed) * Time.deltaTime * 4f;
+		}
+		else
+		{
+			if (Input.GetMouseButton(0) && !disableSteering)
+			{
+				req_xSpeed += (Input.GetAxis("Mouse X") * xSpeed * 0.02f - req_xSpeed) * Time.deltaTime * 10f;
+				req_ySpeed += (Input.GetAxis("Mouse Y") * ySpeed * 0.02f - req_ySpeed) * Time.deltaTime * 10f;
+			}
+			else
+			{
+				req_xSpeed += (0f - req_xSpeed) * Time.deltaTime * 4f;
+				req_ySpeed += (0f - req_ySpeed) * Time.deltaTime * 4f;
+			}
+			req_ObjxSpeed += (0f - req_ObjxSpeed) * Time.deltaTime * 4f;
+			req_ObjySpeed += (0f - req_ObjySpeed) * Time.deltaTime * 4f;
+		}
+		distance -= Input.GetAxis("Mouse ScrollWheel") * ZoomWheelSpeed;
+		distance = Mathf.Clamp(distance, minDistance, maxDistance);
+		cur_ObjxSpeed += (req_ObjxSpeed - cur_ObjxSpeed) * Time.deltaTime * 20f;
+		cur_ObjySpeed += (req_ObjySpeed - cur_ObjySpeed) * Time.deltaTime * 20f;
+		target.transform.RotateAround(targetFocus.position, Vector3.Cross(targetFocus.position - base.transform.position, base.transform.right), 0f - cur_ObjxSpeed);
+		target.transform.RotateAround(targetFocus.position, Vector3.Cross(targetFocus.position - base.transform.position, base.transform.up), 0f - cur_ObjySpeed);
+		cur_xSpeed += (req_xSpeed - cur_xSpeed) * Time.deltaTime * 20f;
+		cur_ySpeed += (req_ySpeed - cur_ySpeed) * Time.deltaTime * 20f;
+		x += cur_xSpeed;
+		y -= cur_ySpeed;
+		y = ClampAngle(y, yMinLimit + normal_angle, yMaxLimit + normal_angle);
+		if (surfaceColliders != null)
+		{
+			RaycastHit hitInfo2 = default(RaycastHit);
+			Vector3 vector = Vector3.Normalize(targetFocus.position - base.transform.position);
+			float num = 0.01f;
+			bool flag = false;
+			Collider[] array2 = surfaceColliders;
+			foreach (Collider collider2 in array2)
+			{
+				if (collider2.Raycast(new Ray(base.transform.position - vector * bounds_MaxSize, vector), out hitInfo2, float.PositiveInfinity))
+				{
+					num = Mathf.Max(Vector3.Distance(hitInfo2.point, targetFocus.position) + distance, num);
+					flag = true;
+				}
+			}
+			if (flag)
+			{
+				cur_distance += (num - cur_distance) * Time.deltaTime * 4f;
+			}
+		}
+		Quaternion quaternion = Quaternion.Euler(y, x, 0f);
+		Vector3 position = quaternion * new Vector3(0f, 0f, 0f - cur_distance) + targetFocus.position;
+		base.transform.rotation = quaternion;
+		base.transform.position = position;
+	}
+
+	private 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);
+	}
+
+	public void set_normal_angle(float a)
+	{
+		normal_angle = a;
+	}
+}