From 917e9e0b320775634dc2e710f7deac74fd0822f0 Mon Sep 17 00:00:00 2001 From: chai Date: Thu, 22 Oct 2020 23:30:02 +0800 Subject: * amplify shader editor --- .../Scripts/Utils/MouseOrbitController.cs | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Assets/MaterializeFX/Scripts/Utils/MouseOrbitController.cs (limited to 'Assets/MaterializeFX/Scripts/Utils/MouseOrbitController.cs') diff --git a/Assets/MaterializeFX/Scripts/Utils/MouseOrbitController.cs b/Assets/MaterializeFX/Scripts/Utils/MouseOrbitController.cs new file mode 100644 index 00000000..e2f91048 --- /dev/null +++ b/Assets/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