public void GenerateColliders(ColliderGenerationSettings settings = null)
{
if (settings == null)
{
settings = ColliderGenerationSettings;
}
foreach (var c in GeneratedColliders.ToArray())
{
if (c != null)
{
DestroyImmediate(c.gameObject);
}
}
GeneratedColliders.Clear();
if (PointsContainer.childCount < 2)
{
return;
}
for (int i = 0; i < PointsContainer.childCount - 1; i++)
{
var a = PointsContainer.GetChild(i).position;
var b = PointsContainer.GetChild(i + 1).position;
var col = CreateColliderBetweenPoints(settings, a, b);
GeneratedColliders.Add(col);
}
}
private IEnumerator GenerateSplinesColliders(ColliderGenerationSettings settings = null)
{
var original_rotation = grindSurface.transform.rotation;
grindSurface.transform.rotation = Quaternion.identity;
yield return(null);
foreach (var s in grindSurface.Splines)
{
s.GenerateColliders(settings);
}
yield return(null);
grindSurface.transform.rotation = original_rotation;
}
private Collider CreateColliderBetweenPoints(ColliderGenerationSettings settings, Vector3 pointA, Vector3 pointB)
{
var go = new GameObject("Grind Cols")
{
layer = LayerMask.NameToLayer("Grindable")
};
go.transform.position = Vector3.Lerp(pointA, pointB, .5f);
go.transform.LookAt(pointA);
go.transform.SetParent(ColliderContainer != null ? ColliderContainer : transform);
go.tag = $"Grind_{SurfaceType}";
var length = Vector3.Distance(pointA, pointB);
if (settings.ColliderType == ColliderGenerationSettings.ColliderTypes.Capsule)
{
var cap = go.AddComponent <CapsuleCollider>();
cap.direction = 2;
cap.radius = settings.Radius;
cap.height = length + 2f * settings.Radius;
go.transform.localPosition += go.transform.InverseTransformVector(new Vector3(0, -settings.Radius, 0));
}
else
{
var box = go.AddComponent <BoxCollider>();
box.size = new Vector3(settings.Width, settings.Depth, length);
if (settings.IsEdge)
{
var inset_direction = GetInsetDirection(settings, go.transform);
var inset_distance = settings.Width / 2f;
go.transform.localPosition += inset_direction * inset_distance;
go.transform.localPosition += go.transform.InverseTransformVector(new Vector3(0, -(settings.Depth / 2f), 0));
}
}
return(go.GetComponent <Collider>());
}
private Vector3 GetInsetDirection(ColliderGenerationSettings settings, Transform collider_transform)
{
var root = collider_transform.parent;
if (root.parent != null && root.parent.GetComponent <GrindSurface>() != null)
{
root = root.parent;
}
if (settings.AutoDetectEdgeAlignment)
{
var ray = new Ray(collider_transform.position + collider_transform.right * settings.Width + root.up, -root.up);
if (Physics.Raycast(ray, out var hit, Mathf.Infinity, settings.LayerMask) == false || hit.transform.IsChildOf(transform.parent))
{
return(collider_transform.right);
}
return(-collider_transform.right);
}
return(settings.FlipEdge ? -collider_transform.right : collider_transform.right);
}
public static void Generate(GrindSurface surface, ColliderGenerationSettings collider_generation_settings = null)
{
IEnumerator routine()
{
var original_rotation = surface.transform.rotation;
surface.transform.rotation = Quaternion.identity;
yield return(null);
settings = collider_generation_settings;
// build a list of vertexes from child objects that are valid potential grindable surfaces
// do a set offset sphere checks to see if we have open space in any cardinal directions
vertices.Clear();
vertexScores.Clear();
endPoints.Clear();
blockedPoints.Clear();
activeSplinePoints.Clear();
foreach (var m in surface.GetComponentsInChildren <MeshFilter>())
{
for (int i = 0; i < m.sharedMesh.vertexCount; i++)
{
if (vertices.Count > MaxVertices)
{
break;
}
if (IsValidPotentialVertex(surface.transform, m, i, out var w, out var score))
{
if (vertices.Contains(w) == false)
{
vertices.Add(w);
vertexScores.Add(score);
}
}
}
}
vertices = vertices.OrderByDescending(v => vertexScores[vertices.IndexOf(v)]).ToList();
Debug.Log($"Found {vertices.Count} potential valid vertices in child meshes.");
// start a grind spline by picking a valid vertex
// find the nearest valid vert and add that, repeat until there are no valid verts left
var start = vertices[0];
var active_spline = CreateSpline(surface, start, collider_generation_settings);
var current_point = start;
var current_index = 0;
vertices.RemoveAt(0);
endPoints.Add(start);
AddSplinePoint(active_spline, start);
while (active_spline != null)
{
RefreshSearchList();
// if ran out of verts to use, we're done
if (searchList.Count == 0 || (searchList.Count == 1 && searchList[0] == current_point))
{
break;
}
// find nearest vert for our next spline point
var previous_point = current_index > 0 ? active_spline.PointsContainer.GetChild(current_index - 1) : null;
if (TryGetNextValidPoint(surface, out var next_point, current_point, previous_point?.position))
{
if (vertices.Contains(next_point))
{
vertices.Remove(next_point);
}
AddSplinePoint(active_spline, next_point);
current_point = next_point;
current_index++;
}