42 lines
1.0 KiB
C#
42 lines
1.0 KiB
C#
using System.Collections.Generic;
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using UnityEngine;
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namespace RoR2;
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public class ConstrainToScreen : MonoBehaviour
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{
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private static float boundaryUVSize;
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private static List<Transform> instanceTransformsList;
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static ConstrainToScreen()
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{
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boundaryUVSize = 0.05f;
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instanceTransformsList = new List<Transform>();
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SceneCamera.onSceneCameraPreCull += OnSceneCameraPreCull;
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}
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private static void OnSceneCameraPreCull(SceneCamera sceneCamera)
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{
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Camera camera = sceneCamera.camera;
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for (int i = 0; i < instanceTransformsList.Count; i++)
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{
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Transform transform = instanceTransformsList[i];
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Vector3 position = camera.WorldToViewportPoint(transform.position);
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position.x = Mathf.Clamp(position.x, boundaryUVSize, 1f - boundaryUVSize);
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position.y = Mathf.Clamp(position.y, boundaryUVSize, 1f - boundaryUVSize);
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transform.position = camera.ViewportToWorldPoint(position);
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}
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}
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private void OnEnable()
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{
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instanceTransformsList.Add(base.transform);
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}
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private void OnDisable()
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{
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instanceTransformsList.Remove(base.transform);
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}
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}
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