From b82da95b5181ac8bbae38efb13e950d5e88a4caa Mon Sep 17 00:00:00 2001 From: chai Date: Fri, 23 Oct 2020 13:08:43 +0800 Subject: =?UTF-8?q?*=E7=A7=BB=E5=8A=A8amplify=20shader=20editor=E5=88=B0th?= =?UTF-8?q?ird=20party=E7=9B=AE=E5=BD=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../Scripts/Utils/MouseOrbitController.cs | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Assets/ThirdParty/MaterializeFX/Scripts/Utils/MouseOrbitController.cs (limited to 'Assets/ThirdParty/MaterializeFX/Scripts/Utils/MouseOrbitController.cs') diff --git a/Assets/ThirdParty/MaterializeFX/Scripts/Utils/MouseOrbitController.cs b/Assets/ThirdParty/MaterializeFX/Scripts/Utils/MouseOrbitController.cs new file mode 100644 index 00000000..e2f91048 --- /dev/null +++ b/Assets/ThirdParty/MaterializeFX/Scripts/Utils/MouseOrbitController.cs @@ -0,0 +1,58 @@ +using UnityEngine; + +namespace Assets.MaterializeFX.Scripts.Utils +{ + internal sealed class MouseOrbitController : MonoBehaviour + { + public Transform Target; + public float Distance = 5.0f; + public float XSpeed = 120.0f; + public float YSpeed = 120.0f; + + public float YMinLimit = 20f; + public float YMaxLimit = 80f; + + public float DistanceMin = .5f; + public float DistanceMax = 15f; + + private float _x; + private float _y; + + private void Start() + { + var angles = transform.eulerAngles; + _x = angles.y; + _y = angles.x; + } + + private void LateUpdate() + { + if (!Input.GetMouseButton(0)) + return; + + _x += Input.GetAxis("Mouse X") * XSpeed * Distance * 0.02f; + _y -= Input.GetAxis("Mouse Y") * YSpeed * 0.02f; + + _y = ClampAngle(_y, YMinLimit, YMaxLimit); + + var rotation = Quaternion.Euler(_y, _x, 0); + + Distance -= Input.GetAxis("Mouse ScrollWheel") * 5; + + var negDistance = new Vector3(0.0f, 0.0f, -Distance); + var position = rotation * negDistance + Target.position; + + transform.rotation = rotation; + 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); + } + } +} -- cgit v1.1-26-g67d0