protected void _DrawHullEditor(SECTR_Hull myHull)
{
// Draw Polygon
Handles.color = Color.green;
switch (newHullVerts.Count)
{
case 0:
break;
case 1:
Handles.DrawSolidDisc(newHullVerts[0], lastHit.normal, .1f);
break;
case 2:
Handles.DrawLine(newHullVerts[0], newHullVerts[1]);
break;
default:
Handles.DrawPolyLine(newHullVerts.ToArray());
break;
}
Handles.color = closesetVertIsValid ? Color.green : Color.red;
Handles.DrawSolidDisc(closestVert, lastHit.normal, .1f);
if (closesetVertIsValid && newHullVerts.Count > 0)
{
Handles.DrawLine(newHullVerts[newHullVerts.Count - 1], closestVert);
}
}
protected void _EditHull(SECTR_Hull myHull)
{
HandleUtility.AddDefaultControl(GUIUtility.GetControlID(FocusType.Passive));
if (Event.current.type == EventType.MouseMove)
{
_ComputeCursorVert();
closesetVertIsValid = true;
if (newHullVerts.Count > 2)
{
Vector3 firstVert = newHullVerts[0];
if (Vector3.SqrMagnitude(closestVert - firstVert) < SECTR_Geometry.kVERTEX_EPSILON)
{
closestVert = firstVert;
closesetVertIsValid = true;
}
else
{
Plane hullPlane = new Plane(newHullVerts[0], newHullVerts[1], newHullVerts[2]);
closesetVertIsValid = hullPlane.GetDistanceToPoint(closestVert) < SECTR_Geometry.kVERTEX_EPSILON;
if (closesetVertIsValid)
{
List <Vector3> newVerts = new List <Vector3>(newHullVerts);
newVerts.Add(closestVert);
closesetVertIsValid = SECTR_Geometry.IsPolygonConvex(newVerts.ToArray());
}
}
}
}
else if (Event.current.type == EventType.MouseUp && Event.current.button == 0 && !Event.current.alt && !Event.current.control)
{
if (closesetVertIsValid)
{
if (!newHullVerts.Contains(closestVert))
{
newHullVerts.Add(closestVert);
}
else if (newHullVerts.Count >= 3)
{
_CompleteHull(myHull);
HandleUtility.Repaint();
}
}
}
else if (Event.current.type == EventType.KeyUp && Event.current.keyCode == KeyCode.Return)
{
if (newHullVerts.Count >= 3 || (myHull.ForceEditHull && newHullVerts.Count == 0))
{
_CompleteHull(myHull);
HandleUtility.Repaint();
}
}
else if (Event.current.type == EventType.KeyUp && Event.current.keyCode == KeyCode.Escape)
{
_EndNewHull(myHull, true);
}
}
void _EndNewHull(SECTR_Hull myHull, bool creationFailed)
{
if (createHull || myHull.ForceEditHull)
{
_EndSelection();
newHullVerts.Clear();
createHull = false;
if (myHull.ForceEditHull && creationFailed)
{
DestroyImmediate(myHull.gameObject);
}
else
{
myHull.ForceEditHull = false;
}
}
}
void _EndNewHull(SECTR_Hull myHull, bool creationFailed)
{
if(createHull || myHull.ForceEditHull)
{
_EndSelection();
newHullVerts.Clear();
createHull = false;
if(myHull.ForceEditHull && creationFailed)
{
DestroyImmediate(myHull.gameObject);
}
else
{
myHull.ForceEditHull = false;
}
}
}
void _CompleteHull(SECTR_Hull myHull)
{
int numNewVerts = newHullVerts.Count;
if(numNewVerts >= 3)
{
Plane hullPlane = new Plane(newHullVerts[0], newHullVerts[1], newHullVerts[2]);
Vector3 hullNormal = hullPlane.normal;
// For new hulls, set their xform to match the hull geo.
if(myHull.ForceEditHull && myHull.CenterOnEdit)
{
Vector3 newPos = Vector3.zero;
for(int vertIndex = 0; vertIndex < numNewVerts; ++vertIndex)
{
newPos += newHullVerts[vertIndex];
}
newPos /= newHullVerts.Count;
myHull.transform.position = newPos;
myHull.transform.forward = hullNormal;
}
// Constructu a new mesh.
Mesh newMesh = new Mesh();
newMesh.name = myHull.name;
Vector3[] newVerts = new Vector3[numNewVerts];
Vector3[] newNormals = new Vector3[numNewVerts];
Vector2[] newUVs = new Vector2[numNewVerts];
// Compute new positions and normals, which are always in hull local space.
Vector3 localNormal = myHull.transform.worldToLocalMatrix.MultiplyVector(hullNormal);
Vector3 min = new Vector3(float.MaxValue, float.MaxValue, float.MaxValue);
Vector3 max = new Vector3(float.MinValue, float.MinValue, float.MinValue);
for(int vertIndex = 0; vertIndex < numNewVerts; ++vertIndex)
{
Vector3 localPosition = myHull.transform.worldToLocalMatrix.MultiplyPoint3x4(newHullVerts[vertIndex]);
newVerts[vertIndex] = localPosition;
newNormals[vertIndex] = localNormal;
min = Vector3.Min(min, localPosition);
max = Vector3.Max(max, localPosition);
}
// Compute a planar projection for the UVs.
Vector3 uvScalar = new Vector3(1f / max.x - min.x, 1f / max.y - min.y, 1);
for(int vertIndex = 0; vertIndex < numNewVerts; ++vertIndex)
{
newUVs[vertIndex] = Vector3.Scale(newVerts[vertIndex], uvScalar);
}
// Triangle indices assume a CW sorting of the verts.
int numTriangles = numNewVerts - 2;
int[] triangles = new int[numTriangles * 3];
for(int triIndex = 0; triIndex < numTriangles; ++triIndex)
{
triangles[triIndex*3] = 0;
triangles[triIndex*3+1] = triIndex+1;
triangles[triIndex*3+2] = triIndex+2;
}
// Fill out the mesh stuffs.
newMesh.vertices = newVerts;
newMesh.normals = newNormals;
newMesh.uv = newUVs;
newMesh.triangles = triangles;
// Now create a new, unique mesh asset for the hull.
// We use assets instead of storing geometry in the scene to ensure that everything serializes properly.
string sceneDir = null;
string sceneName = null;
string exportDir = SECTR_Asset.MakeExportFolder("Portals", false, out sceneDir, out sceneName);
string newAssetName = exportDir + newMesh.name + ".asset";
newAssetName = AssetDatabase.GenerateUniqueAssetPath(newAssetName);
AssetDatabase.CreateAsset(newMesh, newAssetName);
// Let the hull know that we've modified it in an undo friendly way.
SECTR_Undo.Record(myHull, "Created Portal");
myHull.HullMesh = newMesh;
}
_EndNewHull(myHull, false);
}
protected void _EditHull(SECTR_Hull myHull)
{
HandleUtility.AddDefaultControl(GUIUtility.GetControlID(FocusType.Passive));
if(Event.current.type == EventType.mouseMove)
{
_ComputeCursorVert();
closesetVertIsValid = true;
if(newHullVerts.Count > 2)
{
Vector3 firstVert = newHullVerts[0];
if(Vector3.SqrMagnitude(closestVert - firstVert) < SECTR_Geometry.kVERTEX_EPSILON)
{
closestVert = firstVert;
closesetVertIsValid = true;
}
else
{
Plane hullPlane = new Plane(newHullVerts[0], newHullVerts[1], newHullVerts[2]);
closesetVertIsValid = hullPlane.GetDistanceToPoint(closestVert) < SECTR_Geometry.kVERTEX_EPSILON;
if(closesetVertIsValid)
{
List<Vector3> newVerts = new List<Vector3>(newHullVerts);
newVerts.Add(closestVert);
closesetVertIsValid = SECTR_Geometry.IsPolygonConvex(newVerts.ToArray());
}
}
}
}
else if(Event.current.type == EventType.mouseUp && Event.current.button == 0 && !Event.current.alt && !Event.current.control)
{
if(closesetVertIsValid)
{
if(!newHullVerts.Contains(closestVert))
{
newHullVerts.Add(closestVert);
}
else if(newHullVerts.Count >= 3)
{
_CompleteHull(myHull);
HandleUtility.Repaint();
}
}
}
else if(Event.current.type == EventType.keyUp && Event.current.keyCode == KeyCode.Return)
{
if(newHullVerts.Count >= 3 || (myHull.ForceEditHull && newHullVerts.Count == 0))
{
_CompleteHull(myHull);
HandleUtility.Repaint();
}
}
else if(Event.current.type == EventType.keyUp && Event.current.keyCode == KeyCode.Escape)
{
_EndNewHull(myHull, true);
}
}
protected void _DrawHullEditor(SECTR_Hull myHull)
{
// Draw Polygon
Handles.color = Color.green;
switch(newHullVerts.Count)
{
case 0:
break;
case 1:
Handles.DrawSolidDisc(newHullVerts[0], lastHit.normal, .1f);
break;
case 2:
Handles.DrawLine(newHullVerts[0], newHullVerts[1]);
break;
default:
Handles.DrawPolyLine(newHullVerts.ToArray());
break;
}
Handles.color = closesetVertIsValid ? Color.green : Color.red;
Handles.DrawSolidDisc(closestVert, lastHit.normal, .1f);
if(closesetVertIsValid && newHullVerts.Count > 0)
{
Handles.DrawLine(newHullVerts[newHullVerts.Count - 1], closestVert);
}
}
void _CompleteHull(SECTR_Hull myHull)
{
int numNewVerts = newHullVerts.Count;
if (numNewVerts >= 3)
{
Plane hullPlane = new Plane(newHullVerts[0], newHullVerts[1], newHullVerts[2]);
Vector3 hullNormal = hullPlane.normal;
// For new hulls, set their xform to match the hull geo.
if (myHull.ForceEditHull && myHull.CenterOnEdit)
{
Vector3 newPos = Vector3.zero;
for (int vertIndex = 0; vertIndex < numNewVerts; ++vertIndex)
{
newPos += newHullVerts[vertIndex];
}
newPos /= newHullVerts.Count;
myHull.transform.position = newPos;
myHull.transform.forward = hullNormal;
}
// Constructu a new mesh.
Mesh newMesh = new Mesh();
newMesh.name = myHull.name;
Vector3[] newVerts = new Vector3[numNewVerts];
Vector3[] newNormals = new Vector3[numNewVerts];
Vector2[] newUVs = new Vector2[numNewVerts];
// Compute new positions and normals, which are always in hull local space.
Vector3 localNormal = myHull.transform.worldToLocalMatrix.MultiplyVector(hullNormal);
Vector3 min = new Vector3(float.MaxValue, float.MaxValue, float.MaxValue);
Vector3 max = new Vector3(float.MinValue, float.MinValue, float.MinValue);
for (int vertIndex = 0; vertIndex < numNewVerts; ++vertIndex)
{
Vector3 localPosition = myHull.transform.worldToLocalMatrix.MultiplyPoint3x4(newHullVerts[vertIndex]);
newVerts[vertIndex] = localPosition;
newNormals[vertIndex] = localNormal;
min = Vector3.Min(min, localPosition);
max = Vector3.Max(max, localPosition);
}
// Compute a planar projection for the UVs.
Vector3 uvScalar = new Vector3(1f / max.x - min.x, 1f / max.y - min.y, 1);
for (int vertIndex = 0; vertIndex < numNewVerts; ++vertIndex)
{
newUVs[vertIndex] = Vector3.Scale(newVerts[vertIndex], uvScalar);
}
// Triangle indices assume a CW sorting of the verts.
int numTriangles = numNewVerts - 2;
int[] triangles = new int[numTriangles * 3];
for (int triIndex = 0; triIndex < numTriangles; ++triIndex)
{
triangles[triIndex * 3] = 0;
triangles[triIndex * 3 + 1] = triIndex + 1;
triangles[triIndex * 3 + 2] = triIndex + 2;
}
// Fill out the mesh stuffs.
newMesh.vertices = newVerts;
newMesh.normals = newNormals;
newMesh.uv = newUVs;
newMesh.triangles = triangles;
// Now create a new, unique mesh asset for the hull.
// We use assets instead of storing geometry in the scene to ensure that everything serializes properly.
string sceneDir = null;
string sceneName = null;
string exportDir = SECTR_Asset.MakeExportFolder("Portals", false, out sceneDir, out sceneName);
string newAssetName = exportDir + newMesh.name + ".asset";
newAssetName = AssetDatabase.GenerateUniqueAssetPath(newAssetName);
AssetDatabase.CreateAsset(newMesh, newAssetName);
// Let the hull know that we've modified it in an undo friendly way.
SECTR_Undo.Record(myHull, "Created Portal");
myHull.HullMesh = newMesh;
}
_EndNewHull(myHull, false);
}
