106 lines
3.7 KiB
C#
106 lines
3.7 KiB
C#
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using UnityEngine;
|
|
|
|
|
|
namespace Obi
|
|
{
|
|
/**
|
|
* This component plugs a prefab instance at each cut in the rope. Optionally, it will also place a couple instances at the start/end of an open rope.
|
|
*/
|
|
[RequireComponent(typeof(ObiRope))]
|
|
[RequireComponent(typeof(ObiPathSmoother))]
|
|
public class ObiRopePrefabPlugger : MonoBehaviour
|
|
{
|
|
public GameObject prefab; /**< prefab object being instantiated at the rope cuts.*/
|
|
public Vector3 instanceScale = Vector3.one;
|
|
public bool plugTears = true;
|
|
public bool plugStart = false;
|
|
public bool plugEnd = false;
|
|
|
|
private List<GameObject> instances; /**< instances of the prefab being rendered. */
|
|
private ObiPathSmoother smoother;
|
|
|
|
void OnEnable()
|
|
{
|
|
instances = new List<GameObject>();
|
|
smoother = GetComponent<ObiPathSmoother>();
|
|
smoother.OnCurveGenerated += UpdatePlugs;
|
|
}
|
|
|
|
void OnDisable()
|
|
{
|
|
smoother.OnCurveGenerated -= UpdatePlugs;
|
|
ClearPrefabInstances();
|
|
}
|
|
|
|
private GameObject GetOrCreatePrefabInstance(int index)
|
|
{
|
|
if (index < instances.Count)
|
|
return instances[index];
|
|
|
|
GameObject tearPrefabInstance = Instantiate(prefab);
|
|
tearPrefabInstance.hideFlags = HideFlags.HideAndDontSave;
|
|
instances.Add(tearPrefabInstance);
|
|
return tearPrefabInstance;
|
|
}
|
|
|
|
public void ClearPrefabInstances()
|
|
{
|
|
for (int i = 0; i < instances.Count; ++i)
|
|
DestroyImmediate(instances[i]);
|
|
|
|
instances.Clear();
|
|
}
|
|
|
|
// Update is called once per frame
|
|
void UpdatePlugs(ObiActor actor)
|
|
{
|
|
var rope = actor as ObiRopeBase;
|
|
|
|
// cache the rope's transform matrix/quaternion:
|
|
Matrix4x4 l2w = rope.transform.localToWorldMatrix;
|
|
Quaternion l2wRot = l2w.rotation;
|
|
|
|
int instanceIndex = 0;
|
|
|
|
// place prefabs at the start/end of each curve:
|
|
for (int c = 0; c < smoother.smoothChunks.Count; ++c)
|
|
{
|
|
ObiList<ObiPathFrame> curve = smoother.smoothChunks[c];
|
|
|
|
if ((plugTears && c > 0) ||
|
|
(plugStart && c == 0))
|
|
{
|
|
var instance = GetOrCreatePrefabInstance(instanceIndex++);
|
|
instance.SetActive(true);
|
|
|
|
ObiPathFrame frame = curve[0];
|
|
instance.transform.position = l2w.MultiplyPoint3x4(frame.position);
|
|
instance.transform.rotation = l2wRot * (Quaternion.LookRotation(-frame.tangent, frame.binormal));
|
|
instance.transform.localScale = instanceScale;
|
|
}
|
|
|
|
if ((plugTears && c < smoother.smoothChunks.Count - 1) ||
|
|
(plugEnd && c == smoother.smoothChunks.Count - 1))
|
|
{
|
|
|
|
var instance = GetOrCreatePrefabInstance(instanceIndex++);
|
|
instance.SetActive(true);
|
|
|
|
ObiPathFrame frame = curve[curve.Count - 1];
|
|
instance.transform.position = l2w.MultiplyPoint3x4(frame.position);
|
|
instance.transform.rotation = l2wRot * (Quaternion.LookRotation(frame.tangent, frame.binormal));
|
|
instance.transform.localScale = instanceScale;
|
|
}
|
|
|
|
}
|
|
|
|
// deactivate remaining instances:
|
|
for (int i = instanceIndex; i < instances.Count; ++i)
|
|
instances[i].SetActive(false);
|
|
|
|
}
|
|
}
|
|
|
|
} |