95 lines
3.6 KiB
C#
95 lines
3.6 KiB
C#
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// Crest Ocean System
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// Copyright 2020 Wave Harmonic Ltd
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using UnityEngine;
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namespace Crest.Examples
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{
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/// <summary>
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/// Attach this script to any GameObject and it will create three collision probes in front of the camera
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/// </summary>
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[AddComponentMenu(Crest.Internal.Constants.MENU_PREFIX_EXAMPLE + "Ocean Sample Displacement Demo")]
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public class OceanSampleDisplacementDemo : MonoBehaviour
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{
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/// <summary>
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/// The version of this asset. Can be used to migrate across versions. This value should
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/// only be changed when the editor upgrades the version.
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/// </summary>
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[SerializeField, HideInInspector]
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#pragma warning disable 414
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int _version = 0;
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#pragma warning restore 414
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public bool _trackCamera = true;
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[UnityEngine.Range(0f, 32f)]
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public float _minGridSize = 0f;
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GameObject[] _markerObjects = new GameObject[3];
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Vector3[] _markerPos = new Vector3[3];
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Vector3[] _resultDisps = new Vector3[3];
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Vector3[] _resultNorms = new Vector3[3];
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Vector3[] _resultVels = new Vector3[3];
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float _samplesRadius = 5f;
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void Update()
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{
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if (OceanRenderer.Instance == null)
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{
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return;
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}
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if (_trackCamera)
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{
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var height = Mathf.Abs(Camera.main.transform.position.y - OceanRenderer.Instance.SeaLevel);
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var lookAngle = Mathf.Max(Mathf.Abs(Camera.main.transform.forward.y), 0.001f);
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var offset = height / lookAngle;
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_markerPos[0] = Camera.main.transform.position + Camera.main.transform.forward * offset;
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_markerPos[1] = Camera.main.transform.position + Camera.main.transform.forward * offset + _samplesRadius * Vector3.right;
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_markerPos[2] = Camera.main.transform.position + Camera.main.transform.forward * offset + _samplesRadius * Vector3.forward;
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}
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var collProvider = OceanRenderer.Instance.CollisionProvider;
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var status = collProvider.Query(GetHashCode(), _minGridSize, _markerPos, _resultDisps, _resultNorms, _resultVels);
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if (collProvider.RetrieveSucceeded(status))
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{
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for (int i = 0; i < _resultDisps.Length; i++)
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{
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if (_markerObjects[i] == null)
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{
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_markerObjects[i] = GameObject.CreatePrimitive(PrimitiveType.Cube);
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Helpers.Destroy(_markerObjects[i].GetComponent<Collider>());
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_markerObjects[i].transform.localScale = Vector3.one * 0.5f;
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}
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var query = _markerPos[i];
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query.y = OceanRenderer.Instance.SeaLevel;
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var disp = _resultDisps[i];
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var pos = query;
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pos.y = disp.y;
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Debug.DrawLine(pos, pos - disp);
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_markerObjects[i].transform.position = pos;
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_markerObjects[i].transform.rotation = Quaternion.FromToRotation(Vector3.up, _resultNorms[i]);
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}
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for (var i = 0; i < _resultNorms.Length; i++)
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{
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Debug.DrawLine(_markerObjects[i].transform.position, _markerObjects[i].transform.position + _resultNorms[i], Color.blue);
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}
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for (var i = 0; i < _resultVels.Length; i++)
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{
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Debug.DrawLine(_markerObjects[i].transform.position, _markerObjects[i].transform.position + _resultVels[i], Color.green);
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}
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}
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}
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}
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}
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