private void Generate()
{
UOUtility.DestroyChildren(Generated);
wayPoints.Clear();
float localSpacing = 0;
Joint joint = null;
for (int i = 0; i < segmentCount; i++)
{
var seg = UOUtility.Instantiate(segmentPrefab, Generated.transform);
seg.transform.Translate(0, 0, localSpacing);
var segRB = seg.GetComponent <Rigidbody>();
// we fix the first segment so that the rope won't fall
if (i == 0)
{
firstSegment = seg;
segRB.constraints = RigidbodyConstraints.FreezePosition;
}
// we attach the rigidbody to the joint of the previous segment
if (joint != null)
{
joint.connectedBody = segRB;
}
joint = seg.GetComponent <Joint>();
// we save segments as way points for the spline deformation.
wayPoints.Add(seg);
localSpacing += segmentSpacing;
}
UOUtility.Destroy(joint);
}
public void CreateMeshes()
{
var used = new List <GameObject>();
if (curveSpace)
{
int i = 0;
foreach (var curve in spline.curves)
{
var go = FindOrCreate("segment " + i++ + " mesh");
go.GetComponent <MeshBender>().SetInterval(curve);
go.GetComponent <MeshCollider>().enabled = generateCollider;
used.Add(go);
}
}
else
{
var go = FindOrCreate("segment 1 mesh");
go.GetComponent <MeshBender>().SetInterval(spline, 0);
go.GetComponent <MeshCollider>().enabled = generateCollider;
used.Add(go);
}
// we destroy the unused objects. This is classic pooling to recycle game objects.
foreach (var go in generated.transform
.Cast <Transform>()
.Select(child => child.gameObject).Except(used))
{
UOUtility.Destroy(go);
}
}
public void CreateMeshes()
{
List <GameObject> used = new List <GameObject>();
for (int i = 0; i < spline.GetCurves().Count; i++)
{
var curve = spline.GetCurves()[i];
foreach (var tm in segments[i].transformedMeshes)
{
if (tm.mesh == null)
{
// if there is no mesh specified for this segment, we ignore it.
continue;
}
// we try to find a game object previously generated. this avoids destroying/creating
// game objects at each update, wich is faster.
var childName = "segment " + i + " mesh " + segments[i].transformedMeshes.IndexOf(tm);
var childTransform = generated.transform.Find(childName);
GameObject go;
if (childTransform == null)
{
go = UOUtility.Create(childName,
generated,
typeof(MeshFilter),
typeof(MeshRenderer),
typeof(MeshBender),
typeof(MeshCollider));
go.isStatic = true;
}
else
{
go = childTransform.gameObject;
}
go.GetComponent <MeshRenderer>().material = tm.material;
go.GetComponent <MeshCollider>().material = tm.physicMaterial;
// we update the data in the bender. It will decide itself if the bending must be recalculated.
MeshBender mb = go.GetComponent <MeshBender>();
mb.Source = tm.mesh;
mb.Curve = curve;
mb.Translation = tm.translation;
mb.Rotation = Quaternion.Euler(tm.rotation);
mb.Scale = tm.scale;
mb.ComputeIfNeeded();
used.Add(go);
}
}
// finally, we destroy the unused objects
foreach (var go in generated.transform
.Cast <Transform>()
.Select(child => child.gameObject).Except(used))
{
UOUtility.Destroy(go);
}
}
public void CreateMeshes()
{
var used = new List <GameObject>();
if (curveSpace)
{
int i = 0;
foreach (var curve in spline.curves)
{
if (collider)
{
i++;
var coll = FindOrCreateCollider("segment " + i + " collider");
coll.GetComponent <MeshBender>().SetInterval(curve);
used.Add(coll);
var render = FindOrCreateRender("segment " + i + " collider", "segment " + i + " render");
render.GetComponent <MeshBender>().SetInterval(curve);
render.transform.parent = coll.transform;
used.Add(render);
}
else
{
var render = FindOrCreateRender("none", "segment " + i + " render");
render.GetComponent <MeshBender>().SetInterval(curve);
used.Add(render);
}
}
}
else
{
if (collider)
{
var coll = FindOrCreateCollider("segment 1 collider");
coll.GetComponent <MeshBender>().SetInterval(spline, 0);
used.Add(coll);
var render = FindOrCreateRender("segment 1 collider", "segment 1 render");
render.GetComponent <MeshBender>().SetInterval(spline, 0);
render.transform.parent = coll.transform;
used.Add(render);
}
else
{
var render = FindOrCreateRender("none", "segment 1 render");
render.GetComponent <MeshBender>().SetInterval(spline, 0);
used.Add(render);
}
}
// we destroy the unused objects. This is classic pooling to recycle game objects.
foreach (var go in generated.transform.Cast <Transform>().Select(child => child.gameObject).Except(used))
{
UOUtility.Destroy(go);
}
}
public void CreateMeshes()
{
#if UNITY_EDITOR
// we don't update if we are in prefab mode
if (PrefabStageUtility.GetCurrentPrefabStage() != null)
{
return;
}
#endif
var used = new List <GameObject>();
if (curveSpace)
{
int i = 0;
foreach (var curve in spline.curves)
{
var go = FindOrCreate("segment " + i++ + " mesh");
go.GetComponent <MeshBender>().SetInterval(curve);
go.GetComponent <MeshCollider>().enabled = generateCollider;
used.Add(go);
}
}
else
{
var go = FindOrCreate("segment 1 mesh");
go.GetComponent <MeshBender>().SetInterval(spline, 0);
go.GetComponent <MeshCollider>().enabled = generateCollider;
used.Add(go);
}
// we destroy the unused objects. This is classic pooling to recycle game objects.
foreach (var go in generated.transform
.Cast <Transform>()
.Select(child => child.gameObject).Except(used).ToList())
{
UOUtility.Destroy(go);
}
}
public void CreateMeshes()
{
for (int j = 0; j < numOfGeneratedMeshes; ++j)
{
Debug.Log("Regenerating mesh " + generated[j]);
var used = new List <GameObject>();
if (curveSpace)
{
int i = 0;
foreach (var curve in spline.curves)
{
//j = mesh number, e.g. 0 = render mesh, 1 = collision
//i = segment of mesh
Mesh mesh = null;
Material mat = null;
if (j == 0)
{
if (meshDataInternal[j].meshPrefabs[i].GetComponent <SplineMeshData>().renderMesh == null)
{
mesh = backupMesh;
Debug.LogWarning("Can't find mesh - using backup");
}
else
{
mesh = meshDataInternal[j].meshPrefabs[i].GetComponent <SplineMeshData>().renderMesh;
}
}
else
{
if (meshDataInternal[j].meshPrefabs[i].GetComponent <SplineMeshData>().collisionMesh == null)
{
mesh = backupMesh;
Debug.LogWarning("Can't find mesh - using backup");
}
else
{
mesh = meshDataInternal[j].meshPrefabs[i].GetComponent <SplineMeshData>().collisionMesh;
}
}
if (meshDataInternal[j].meshPrefabs[i].GetComponent <SplineMeshData>().material == null)
{
mat = backupMaterial;
Debug.LogWarning("Can't find material - using backup");
}
else
{
mat = meshDataInternal[j].meshPrefabs[i].GetComponent <SplineMeshData>().material;
}
var go = FindOrCreate("segment " + i++ + " mesh", mesh, mat, j);
go.GetComponent <MeshBender>().SetInterval(curve);
if (j == 0)
{
go.GetComponent <MeshCollider>().enabled = false;
go.GetComponent <MeshRenderer>().enabled = true;
}
else
{
go.GetComponent <MeshCollider>().enabled = true;
go.GetComponent <MeshRenderer>().enabled = false;
}
used.Add(go);
}
}
else
{
var go = FindOrCreate("segment 1 mesh", backupMesh, backupMaterial, j);
go.GetComponent <MeshBender>().SetInterval(spline, 0);
go.GetComponent <MeshCollider>().enabled = true;
go.GetComponent <MeshRenderer>().enabled = true;
used.Add(go);
}
// we destroy the unused objects. This is classic pooling to recycle game objects.
foreach (var go in generated[j].transform
.Cast <Transform>()
.Select(child => child.gameObject).Except(used))
{
UOUtility.Destroy(go);
}
}
}
private void CreateMeshes()
{
if (null == spline)
{
return;
}
string generatedName = "generated by " + GetType().Name;
var generatedTranform = transform.Find(generatedName);
generated = generatedTranform != null ? generatedTranform.gameObject : UOUtility.Create(generatedName, gameObject);
generated.isStatic = false == updateInPlayMode;
generated.layer = gameObject.layer;
var generatedChildren = generated.transform.Cast <Transform>().ToList();
foreach (var child in generatedChildren)
{
if (null == child)
{
continue;
}
var meshCollider = child.GetComponent <MeshCollider>();
if (meshCollider)
{
meshCollider.enabled = false;
}
}
List <MeshVertex> sourceVertices = new List <MeshVertex>(2 + Mathf.Max(0, slice - 1));
float x_start = offset - width / 2;
float x_end = offset + width / 2;
sourceVertices.Add(new MeshVertex(new Vector3(0, 0, x_start), Vector3.up, new Vector2(+textureOffsetScale.x, 0)));
for (int step = 1; step < slice; ++step)
{
float t = (float)step / (float)slice;
float x = Mathf.Lerp(x_start, x_end, t);
sourceVertices.Add(new MeshVertex(new Vector3(0, 0, x), Vector3.up, new Vector2(t / textureOffsetScale.z + textureOffsetScale.x, 0)));
}
sourceVertices.Add(new MeshVertex(new Vector3(0, 0, x_end), Vector3.up, new Vector2(1 / textureOffsetScale.z + textureOffsetScale.x, 0)));
if (Mathf.Approximately(sampleSpacing, 0) || sampleSpacing <= 0)
{
Debug.LogError("Not enough sampleSpcaing. (must be greater than zero)");
return;
}
int lineCount = 0;
List <MeshVertex> bentVertices = new List <MeshVertex>();
for (float d = 0.0f; d <= spline.Length; d += sampleSpacing)
{
var sample = spline.GetSampleAtDistance(d);
if (heightSync)
{
var sampleLocationWS = spline.transform.TransformPoint(sample.location);
RaycastHit hitInfo;
if (Physics.Raycast(sampleLocationWS + Vector3.up * heightSyncTraceRange, -Vector3.up, out hitInfo, heightSyncTraceRange * 2, heightSyncLayerMask))
{
var newSampleLocation = spline.transform.InverseTransformPoint(hitInfo.point);
sample = new CurveSample(newSampleLocation, sample.tangent, sample.up, sample.scale, sample.roll, sample.distanceInCurve, sample.timeInCurve, sample.curve);
}
}
for (int i = 0; i < sourceVertices.Count; ++i)
{
var bentVertex = sample.GetBent(sourceVertices[i]);
bentVertex.normal = sample.up;
if (heightSync)
{
var bentWS = spline.transform.TransformPoint(bentVertex.position);
RaycastHit hitInfo;
if (Physics.Raycast(bentWS + Vector3.up * heightSyncTraceRange, -Vector3.up, out hitInfo, heightSyncTraceRange * 2, heightSyncLayerMask))
{
bentVertex.position = spline.transform.InverseTransformPoint(hitInfo.point);
if (heightNormalSync)
{
bentVertex.normal = spline.transform.InverseTransformDirection(hitInfo.normal);
}
}
}
bentVertex.uv.y = (d / width) / textureOffsetScale.w + textureOffsetScale.y;
bentVertices.Add(bentVertex);
}
++lineCount;
}
if (1 >= lineCount)
{
Debug.LogError("Not enough line length");
return;
}
List <Transform> newGeneratedTransform = new List <Transform>();
int baseIndex = 0;
int lineVerticesCount = 2 + Mathf.Max(0, slice - 1);
List <int> triangles = new List <int>((lineVerticesCount - 1) * (lineCount - 1) * 2);
for (int i = 0; i < lineCount - 1; ++i)
{
int nextBaseIndex = baseIndex + lineVerticesCount;
for (int v = 0; v < lineVerticesCount - 1; ++v)
{
int[] vertices = new int[] {
baseIndex + v, baseIndex + v + 1,
nextBaseIndex + v, nextBaseIndex + v + 1
};
triangles.Add(vertices[0]);
triangles.Add(vertices[1]);
triangles.Add(vertices[2]);
triangles.Add(vertices[2]);
triangles.Add(vertices[1]);
triangles.Add(vertices[3]);
}
bool isOverVertices = nextBaseIndex + lineVerticesCount > PerSegmentMaxVertices;
bool isEndLine = (i == lineCount - 2);
bool needGenerateSegment = isOverVertices || isEndLine;
if (needGenerateSegment)
{
string segmentName = $"{name}-{material.name}-{newGeneratedTransform.Count + 1}";
Transform segmentTransform = generated.transform.Find(segmentName);
if (null == segmentTransform)
{
var go = UOUtility.Create(segmentName,
generated,
typeof(MeshFilter),
typeof(MeshRenderer),
typeof(MeshCollider));
segmentTransform = go.transform;
}
segmentTransform.gameObject.isStatic = generated.isStatic;
segmentTransform.gameObject.layer = generated.layer;
newGeneratedTransform.Add(segmentTransform);
generatedChildren.Remove(segmentTransform);
var meshFilter = segmentTransform.GetComponent <MeshFilter>();
var meshRenderer = segmentTransform.GetComponent <MeshRenderer>();
var meshCollider = segmentTransform.GetComponent <MeshCollider>();
Mesh mesh = meshFilter.sharedMesh;
if (null == mesh || mesh.name != segmentName)
{
mesh = new Mesh();
}
else if (mesh.vertexCount != bentVertices.Count)
{
mesh.Clear();
}
mesh.name = segmentName;
mesh.hideFlags = HideFlags.HideInHierarchy;
mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt16;
var segmentBentVertices = bentVertices.GetRange(0, nextBaseIndex + lineVerticesCount);
mesh.SetVertices(segmentBentVertices.Select(b => b.position).ToList());
mesh.SetNormals(segmentBentVertices.Select(b => b.normal).ToList());
mesh.SetUVs(0, segmentBentVertices.Select(b => b.uv).ToList());
mesh.SetTriangles(triangles, 0, false);
mesh.RecalculateBounds();
mesh.RecalculateTangents();
meshFilter.sharedMesh = mesh;
meshRenderer.material = material;
meshCollider.sharedMesh = mesh;
meshCollider.enabled = generateCollider;
triangles.Clear();
bentVertices.RemoveRange(0, nextBaseIndex);
nextBaseIndex = 0;
}
baseIndex = nextBaseIndex;
}
foreach (var deprecatedTransform in generatedChildren)
{
if (deprecatedTransform != null)
{
UOUtility.Destroy(deprecatedTransform.gameObject);
}
}
}