public static SgtPatch CreatePatch(string name, SgtTerrain terrain, SgtPatch parent, Vector3 pointBL, Vector3 pointBR, Vector3 pointTL, Vector3 pointTR, Vector3 coordBL, Vector3 coordBR, Vector3 coordTL, Vector3 coordTR, int depth)
{
if (terrain != null)
{
var parentTransform = parent != null ? parent.transform : terrain.transform;
var patch = SgtPatch.Create(name, terrain, parentTransform);
patch.Parent = parent;
patch.Depth = depth;
patch.PointBL = pointBL;
patch.PointBR = pointBR;
patch.PointTL = pointTL;
patch.PointTR = pointTR;
patch.CoordBL = coordBL;
patch.CoordBR = coordBR;
patch.CoordTL = coordTL;
patch.CoordTR = coordTR;
patch.UpdateState();
#if UNITY_EDITOR
if (Application.isPlaying == false)
{
patch.UpdateSplitMerge();
}
#endif
return patch;
}
return null;
}
// This static method will rotate the transform to the surface of the terrain below
public static void SnapTransformRotation(SgtTerrain terrain, Transform transform, float rightDistance = 1.0f, float forwardDistance = 1.0f)
{
if (terrain != null && transform != null)
{
var newNormal = default(Vector3);
// Rotate to surface normal?
if (rightDistance != 0.0f && forwardDistance != 0.0f)
{
var worldRight = transform.right * rightDistance;
var worldForward = transform.forward * forwardDistance;
newNormal = terrain.GetSurfaceNormalWorld(transform.position, worldRight, worldForward);
}
// Rotate to planet center?
else
{
newNormal = terrain.GetSurfaceNormalWorld(transform.position);
}
var oldRotation = transform.rotation;
var newRotation = Quaternion.FromToRotation(transform.up, newNormal) * oldRotation;
//if (oldRotation != newRotation)
{
transform.rotation = newRotation;
}
}
}
public void Spawn(SgtTerrain terrain, SgtTerrainLevel level, SgtVector3D localPoint)
{
if (OnSpawn != null)
{
OnSpawn();
}
transform.SetParent(level.transform, false);
// Snap to surface
localPoint = terrain.GetLocalPoint(localPoint);
// Rotate up
var up = Quaternion.Euler(0.0f, Random.Range(0.0f, 360.0f), 0.0f) * Vector3.up;
// Spawn on surface
transform.localPosition = (Vector3)localPoint;
transform.localRotation = Quaternion.FromToRotation(up, terrain.transform.TransformDirection(transform.localPosition));
transform.localScale = Prefab.transform.localScale * Random.Range(ScaleMin, ScaleMax);
//transform.rotation = Quaternion.FromToRotation(up, terrain.transform.TransformDirection(localPosition));
if (AlignToNormal != 0.0f)
{
//var worldRight = transform.right * AlignToNormal;
//var worldForward = transform.forward * AlignToNormal;
//var worldNormal = terrain.GetLocalNormal(localPoint, worldRight, worldForward);
//transform.rotation = Quaternion.FromToRotation(up, worldNormal);
}
}
public static SgtPatch CreatePatch(string name, SgtTerrain terrain, SgtPatch parent, Vector3 pointBL, Vector3 pointBR, Vector3 pointTL, Vector3 pointTR, Vector3 coordBL, Vector3 coordBR, Vector3 coordTL, Vector3 coordTR, int depth)
{
if (terrain != null)
{
var parentTransform = parent != null ? parent.transform : terrain.transform;
var patch = SgtPatch.Create(name, terrain, parentTransform);
patch.Parent = parent;
patch.Depth = depth;
patch.PointBL = pointBL;
patch.PointBR = pointBR;
patch.PointTL = pointTL;
patch.PointTR = pointTR;
patch.CoordBL = coordBL;
patch.CoordBR = coordBR;
patch.CoordTL = coordTL;
patch.CoordTR = coordTR;
patch.UpdateState();
#if UNITY_EDITOR
if (Application.isPlaying == false)
{
patch.UpdateSplitMerge();
}
#endif
return(patch);
}
return(null);
}
public static SgtPatch Create(string name, SgtTerrain terrain, Transform parent)
{
var patch = SgtComponentPool <SgtPatch> .Pop(name, parent);
patch.Terrain = terrain;
return(patch);
}
public static SgtPatch Create(string name, SgtTerrain terrain, Transform parent)
{
var patch = SgtComponentPool<SgtPatch>.Pop(name, parent);
patch.Terrain = terrain;
return patch;
}
protected virtual void OnEnable()
{
if (terrain == null)
{
terrain = GetComponent <SgtTerrain>();
}
MarkAsDirty();
}
protected void MarkAsDirty()
{
if (terrain == null)
{
terrain = GetComponent <SgtTerrain>();
}
terrain.MarkMeshAsDirty();
}
public void DirtyTerrain()
{
if (terrain == null)
{
terrain = GetComponent <SgtTerrain>();
}
terrain.DirtyMeshes();
}
// This static method will move the transform down to the surface of the terrain
public static void SnapTransformPosition(SgtTerrain terrain, Transform transform, float offset = 0.0f)
{
if (terrain != null && transform != null)
{
var oldPosition = transform.position;
var newPosition = terrain.GetSurfacePositionWorld(oldPosition, offset);
if (oldPosition != newPosition)
{
transform.position = newPosition;
}
}
}
// This static method will move the transform down to the surface of the terrain
public static void SnapTransformPosition(SgtTerrain terrain, Transform transform, float offset = 0.0f, float dampening = 0.0f)
{
if (terrain != null && transform != null)
{
var oldPosition = transform.position;
var newPosition = terrain.GetSurfacePositionWorld(oldPosition, offset);
if (oldPosition != newPosition)
{
if (dampening > 0.0f)
{
transform.position = SgtHelper.Dampen3(transform.position, newPosition, dampening, Time.deltaTime);
}
else
{
transform.position = newPosition;
}
}
}
}
// This static method will move the transform down to the surface of the terrain
public static void SnapTransformPosition(SgtTerrain terrain, Transform transform, float offset = 0.0f, float dampening = 0.0f)
{
if (terrain != null && transform != null)
{
var oldPosition = transform.position;
var newPosition = terrain.GetWorldPoint(oldPosition, offset);
if (oldPosition != newPosition)
{
if (dampening > 0.0f)
{
transform.position = SgtHelper.Dampen3(transform.position, newPosition, dampening, Time.deltaTime);
}
else
{
transform.position = newPosition;
}
}
}
}
// This static method will rotate the transform to the surface of the terrain below
public static void SnapTransformRotation(SgtTerrain terrain, Transform transform, float rightDistance = 1.0f, float forwardDistance = 1.0f, float dampening = 0.0f)
{
if (terrain != null && transform != null)
{
var newNormal = default(Vector3);
// Rotate to surface normal?
if (rightDistance != 0.0f && forwardDistance != 0.0f)
{
var worldRight = transform.right * rightDistance;
var worldForward = transform.forward * forwardDistance;
newNormal = terrain.GetWorldNormal(transform.position, worldRight, worldForward);
}
// Rotate to planet center?
else
{
newNormal = terrain.GetWorldNormal(transform.position);
}
var oldRotation = transform.rotation;
var newRotation = Quaternion.FromToRotation(transform.up, newNormal) * oldRotation;
//if (oldRotation != newRotation)
{
if (dampening > 0.0f)
{
transform.rotation = SgtHelper.Dampen(transform.rotation, newRotation, dampening, Time.deltaTime);
}
else
{
transform.rotation = newRotation;
}
}
}
}
protected virtual void OnEnable()
{
if (terrain == null) terrain = GetComponent<SgtTerrain>();
MarkAsDirty();
}
protected void MarkAsDirty()
{
if (terrain == null) terrain = GetComponent<SgtTerrain>();
terrain.MarkMeshAsDirty();
}
private void Build(SgtTerrain terrain, Vector3 bestPoint)
{
if (meshCollider == null)
{
var gameObject = new GameObject("Plane");
#if UNITY_EDITOR
gameObject.hideFlags = HideFlags.DontSave;
#endif
meshCollider = gameObject.AddComponent <MeshCollider>();
}
if (mesh == null)
{
mesh = SgtObjectPool <Mesh> .Pop() ?? new Mesh();
#if UNITY_EDITOR
mesh.hideFlags = HideFlags.DontSave;
#endif
mesh.name = "Plane";
}
var sideE = Detail;
var sideP = Detail + 1;
var vertexCount = sideP * sideP;
var indexCount = sideE * sideE * 6;
var rotation = Quaternion.Inverse(terrain.transform.rotation) * Quaternion.LookRotation(bestPoint);
var distance = bestPoint.magnitude;
var uniformScale = SgtHelper.UniformScale(terrain.transform.lossyScale);
var size = Size * SgtHelper.Reciprocal(uniformScale);
var step = (size * 2.0f) / Detail;
if (positions == null || positions.Length != vertexCount)
{
positions = new Vector3[vertexCount];
}
for (var y = 0; y <= Detail; y++)
{
for (var x = 0; x <= Detail; x++)
{
var index = x + y * sideP;
var point = rotation * new Vector3(x * step - size, y * step - size, distance);
positions[index] = terrain.GetLocalPoint(point);
}
}
// Regen indices?
if (indices == null || indices.Length != indexCount)
{
indices = new int[indexCount];
for (var y = 0; y < sideE; y++)
{
for (var x = 0; x < sideE; x++)
{
var index = (x + y * sideE) * 6;
var vertex = x + y * sideP;
indices[index + 0] = vertex;
indices[index + 1] = vertex + 1;
indices[index + 2] = vertex + sideP;
indices[index + 3] = vertex + sideP + 1;
indices[index + 4] = vertex + sideP;
indices[index + 5] = vertex + 1;
}
}
mesh.Clear();
}
mesh.vertices = positions;
mesh.triangles = indices;
meshCollider.sharedMesh = mesh;
meshCollider.transform.SetParent(terrain.transform, false);
}
