public void DestroyVertex(HairyPlotterVertex vertex)
{
if (vertex != null)
{
if (uvEditVertex == vertex)
{
uvEditVertex = null;
}
// Mark dirty
Dirty = true;
// Remove from vertices and selection
vertices.Remove(vertex);
verticeSelection.Remove(vertex);
for (int i = 0; i < vertex.TriangleCount; ++i)
{
DestroyTriangle(vertex.GetTriangle(i));
}
// Update
UpdateVertexIndexes();
}
}
public void ReplaceVertex(HairyPlotterVertex vertex, int index)
{
vertices[index].RemoveTriangle(this);
vertices[index] = vertex;
vertices[index].AddTriangle(this);
plotter.Dirty = true;
}
public void ClearVertices()
{
vertices.Clear();
verticeSelection.Clear();
ClearTriangles();
uvEditVertex = null;
Dirty = true;
}
public void AddSelection(HairyPlotterVertex vertex)
{
if (vertex == null)
{
return;
}
verticeSelection.Add(vertex);
ResetSelectionPosition();
}
public void RemoveSelection(HairyPlotterVertex vertex)
{
if (uvEditVertex == vertex)
{
uvEditVertex = null;
}
verticeSelection.Remove(vertex);
ResetSelectionPosition();
}
public void SetVertices(HairyPlotterVertex v0, HairyPlotterVertex v1, HairyPlotterVertex v2)
{
vertices = new HairyPlotterVertex[3] {
v0, v1, v2
};
v0.AddTriangle(this);
v1.AddTriangle(this);
v2.AddTriangle(this);
plotter.Dirty = true;
}
public HairyPlotterTriangle CreateTriangle(HairyPlotterVertex v0, HairyPlotterVertex v1, HairyPlotterVertex v2)
{
// Create tri
HairyPlotterTriangle triangle = new HairyPlotterTriangle(this);
// Set vertices for triangle
triangle.SetVertices(v0, v1, v2);
// Add to triangle list
triangles.Add(triangle);
// Return
return(triangle);
}
public HairyPlotterVertex CreateVertex(Vector3 pos, Vector2 uv)
{
// Create vertex
HairyPlotterVertex vertex = new HairyPlotterVertex(pos, uv, this);
// Set index
vertex.Index = vertices.Count;
// Add to list
vertices.Add(vertex);
// Return
return(vertex);
}
public void ToggleSelected(HairyPlotterVertex vertex)
{
if (vertex == null)
return;
if (IsSelected(vertex))
{
RemoveSelection(vertex);
}
else
{
AddSelection(vertex);
}
ResetSelectionPosition();
}
public void ToggleSelected(HairyPlotterVertex vertex)
{
if (vertex == null)
{
return;
}
if (IsSelected(vertex))
{
RemoveSelection(vertex);
}
else
{
AddSelection(vertex);
}
ResetSelectionPosition();
}
HairyPlotterVertex RaycastVertex()
{
// This transform from GUI space to scene camera ray
Ray r = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
Transform t = plotter.transform; // this for position gizmo vertices and triangles according parent game object world coordinates
// Iterate over each vertex in plotter
for (int i = 0; i < plotter.VertexCount; ++i)
{
// Grab triangle
HairyPlotterVertex vertex = plotter.GetVertex(i);
// Intersect ray
if (HairyPlotter.RayIntersectsVertex(r, t.TransformPoint(vertex.Position), GizmoSize))
{
// Found!
return(vertex);
}
}
return(null);
}
public void SwitchVertices(HairyPlotterVertex a, HairyPlotterVertex b)
{
int aIndex = Array.IndexOf(vertices, a);
int bIndex = Array.IndexOf(vertices, b);
if (aIndex == -1 && bIndex == -1)
{
return;
}
// Switch both
if (aIndex > -1 && bIndex > -1)
{
vertices[bIndex] = a;
vertices[aIndex] = b;
}
// Switch a for b
if (aIndex > -1)
{
vertices[aIndex] = b;
a.RemoveTriangle(this);
b.AddTriangle(this);
}
// Switch b for a
if (bIndex > -1)
{
vertices[bIndex] = a;
b.RemoveTriangle(this);
a.AddTriangle(this);
}
plotter.Dirty = true;
}
void OnSceneGUI()
{
if (!plotter)
{
return;
}
plotter.InitEditing();
if (plotter.CurrentAction == HairyPlotterActions.None)
{
// don't hover triangle when moving vertices
if (allowMoveVerts)
{
plotter.SetTriangleHover(null);
}
else
{
plotter.SetTriangleHover(HoverTriangle());
}
if (plotter.ToggleSelected(PickTriangle()) && !allowMoveVerts)
{
Repaint();
}
if (plotter.HoveredTriangle != null)
{
SceneView.lastActiveSceneView.Repaint();
}
// detect if dragging a single vertex or selected vertices and update position/s according mouse position
if (Event.current.button == 0)
{
KeyCode _keyCode = Event.current.keyCode;
EventType _type = Event.current.type;
if (_type == EventType.MouseDown)
{
// pick selected vertices?
if (_keyCode == KeyCode.LeftShift || _keyCode == KeyCode.RightShift)
{
// use plotter.SelectedVertices
}
// or pick single vertex
else
{
hoveredVertex = PickVertex();
}
// set flag for allow moving vertices
allowMoveVerts = true;
}
// on mouse up finish the edition
else if (_type == EventType.MouseUp)
{
allowMoveVerts = false;
hoveredVertex = null;
}
// while dragging mouse update vertex position
else if (_type == EventType.MouseDrag && allowMoveVerts)
{
Ray r = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
Transform t = plotter.transform; // this for position gizmo vertices and triangles according parent game object world coordinates
Vector2 p = t.InverseTransformPoint(r.origin); // use inverse trasnform because then we transform again for displaying
// moving selected vertices?
if (_keyCode == KeyCode.LeftShift || _keyCode == KeyCode.RightShift)
{
for (int i = 0, c = plotter.SelectedVertices.Count; i < c; ++i)
{
plotter.SelectedVertices[i].Position.x = p.x;
plotter.SelectedVertices[i].Position.y = p.y;
if (HairyPlotterEditor.KeepUVOnVertsMove)
{
plotter.SelectedVertices[i].Uv.x = 0.5f + p.x;
plotter.SelectedVertices[i].Uv.y = 0.5f + p.y;
}
}
}
// or single vertex?
else if (hoveredVertex != null)
{
hoveredVertex.Position.x = p.x;
hoveredVertex.Position.y = p.y;
if (HairyPlotterEditor.KeepUVOnVertsMove)
{
hoveredVertex.Uv.x = 0.5f + p.x;
hoveredVertex.Uv.y = 0.5f + p.y;
}
}
plotter.Dirty = true;
plotter.ResetSelectionPosition();
}
}
}
if (plotter.CurrentAction == HairyPlotterActions.TriangleSwitch)
{
HairyPlotterTriangle triangle = PickTriangle();
if (triangle != null)
{
List <HairyPlotterVertex> vertices = plotter.SelectedVertices;
if (vertices.Count == 2)
{
triangle.SwitchVertices(vertices[0], vertices[1]);
plotter.ClearVertexSelection();
}
else
{
Debug.LogWarning("Switch In Triangle requires exactly two selected vertices");
}
}
}
DrawTriangles();
}
public void ClearVertices()
{
vertices.Clear();
verticeSelection.Clear();
ClearTriangles();
uvEditVertex = null;
Dirty = true;
}
public void DestroyVertex(HairyPlotterVertex vertex)
{
if (vertex != null)
{
if (uvEditVertex == vertex)
uvEditVertex = null;
// Mark dirty
Dirty = true;
// Remove from vertices and selection
vertices.Remove(vertex);
verticeSelection.Remove(vertex);
for (int i = 0; i < vertex.TriangleCount; ++i)
{
DestroyTriangle(vertex.GetTriangle(i));
}
// Update
UpdateVertexIndexes();
}
}
public HairyPlotterTriangle CreateTriangle(HairyPlotterVertex v0, HairyPlotterVertex v1, HairyPlotterVertex v2)
{
// Create tri
HairyPlotterTriangle triangle = new HairyPlotterTriangle(this);
// Set vertices for triangle
triangle.SetVertices(v0, v1, v2);
// Add to triangle list
triangles.Add(triangle);
// Return
return triangle;
}
public HairyPlotterVertex CreateVertex(Vector3 pos, Vector2 uv)
{
// Create vertex
HairyPlotterVertex vertex = new HairyPlotterVertex(pos, uv, this);
// Set index
vertex.Index = vertices.Count;
// Add to list
vertices.Add(vertex);
// Return
return vertex;
}
public void SetUvEditVertex(HairyPlotterVertex vertex)
{
uvEditVertex = vertex;
}
public void ClearVertexSelection()
{
uvEditVertex = null;
verticeSelection.Clear();
ResetSelectionPosition();
}
public void RemoveSelection(HairyPlotterVertex vertex)
{
if (uvEditVertex == vertex)
uvEditVertex = null;
verticeSelection.Remove(vertex);
ResetSelectionPosition();
}
public void AddSelection(HairyPlotterVertex vertex)
{
if (vertex == null)
return;
verticeSelection.Add(vertex);
ResetSelectionPosition();
}
void UvToolbox()
{
if (plotter.CurrentAction == HairyPlotterActions.VertexUvEdit)
{
GUI.color = VertexToolbarColor;
if (plotter.UvEditVertex == null)
{
GUILayout.Label("UV Editor", EditorStyles.boldLabel);
GUILayout.Label("Select one or more vertices to edit UV coords", EditorStyles.miniLabel);
GUI.color = Color.white;
return;
}
float x = 0;
float y = 0;
HairyPlotterVertex vertex = plotter.UvEditVertex;
GUILayout.Label("UV Editor for #" + vertex.Index, EditorStyles.boldLabel);
EditorGUILayout.BeginHorizontal();
Vector2 value = EditVector2(vertex.Uv);
EditorGUILayout.EndHorizontal();
if (vertex.Uv != value)
{
vertex.Uv = value;
plotter.Dirty = true;
}
x = value.x;
y = value.y;
GUI.color = Color.white;
Renderer plotterRenderer = plotter.GetComponent <Renderer>();
if (plotterRenderer && plotterRenderer.sharedMaterial && plotterRenderer.sharedMaterial.mainTexture)
{
float ratio = (float)uvMarkerTexture.width / (float)uvMarkerTexture.height;
float w = 500f;
float h = w * (1f / ratio);
Rect r = GUILayoutUtility.GetRect(w, h);
GUI.DrawTexture(r, plotterRenderer.sharedMaterial.mainTexture);
Rect marker = new Rect(r);
marker.xMin = r.xMin + (r.width * x);
marker.yMin = r.yMin + (r.height * (1f - y));
marker.width = 8;
marker.height = 8;
GUI.DrawTexture(marker, uvMarkerTexture);
if (Event.current.type == EventType.MouseUp)
{
Vector2 mpos = Event.current.mousePosition;
// Make sure we're within bounds
if (mpos.y - r.yMin >= 0 & mpos.y - r.yMin <= r.height && mpos.x >= 0 && mpos.x <= r.width)
{
x = (mpos.x / r.width);
y = 1f - (Mathf.Clamp(mpos.y - r.yMin, 0, float.MaxValue) / r.height);
if (x != vertex.Uv.x || y != vertex.Uv.y)
{
vertex.Uv = new Vector2(x, y);
plotter.Dirty = true;
}
}
}
}
}
}
public void ClearVertexSelection()
{
uvEditVertex = null;
verticeSelection.Clear();
ResetSelectionPosition();
}
public void SwitchVertices(HairyPlotterVertex a, HairyPlotterVertex b)
{
int aIndex = Array.IndexOf(vertices, a);
int bIndex = Array.IndexOf(vertices, b);
if (aIndex == -1 && bIndex == -1)
{
return;
}
// Switch both
if (aIndex > -1 && bIndex > -1)
{
vertices[bIndex] = a;
vertices[aIndex] = b;
}
// Switch a for b
if (aIndex > -1)
{
vertices[aIndex] = b;
a.RemoveTriangle(this);
b.AddTriangle(this);
}
// Switch b for a
if (bIndex > -1)
{
vertices[bIndex] = a;
b.RemoveTriangle(this);
a.AddTriangle(this);
}
plotter.Dirty = true;
}
public void SetVertices(HairyPlotterVertex v0, HairyPlotterVertex v1, HairyPlotterVertex v2)
{
vertices = new HairyPlotterVertex[3] { v0, v1, v2 };
v0.AddTriangle(this);
v1.AddTriangle(this);
v2.AddTriangle(this);
plotter.Dirty = true;
}
public void SetUvEditVertex(HairyPlotterVertex vertex)
{
uvEditVertex = vertex;
}
public void ReplaceVertex(HairyPlotterVertex vertex, int index)
{
vertices[index].RemoveTriangle(this);
vertices[index] = vertex;
vertices[index].AddTriangle(this);
plotter.Dirty = true;
}
void TriangleSelectionToolbox()
{
if (plotter.CurrentAction != HairyPlotterActions.VertexUvEdit)
{
if (plotter.TriangleSelectionCount > 0)
{
EditorGUILayout.LabelField("Triangle Selection: " + plotter.TriangleSelectionCount, EditorStyles.boldLabel);
EditorGUILayout.BeginHorizontal();
GUI.color = TriangleSelectionToolbarColor;
if (GUILayout.Button("Create Unique Vertices", EditorStyles.miniButton))
{
HashSet <HairyPlotterTriangle> selectedTriangles = new HashSet <HairyPlotterTriangle>(plotter.SelectedTriangles);
HashSet <HairyPlotterVertex> uniqueVertices = new HashSet <HairyPlotterVertex>(selectedTriangles.SelectMany(x => x.VertexObjects).Distinct());
// Iterate over each vertex that the selectedTriangles use
foreach (HairyPlotterVertex vertex in uniqueVertices)
{
// Iterate over each triangle the vertex blongs to
foreach (HairyPlotterTriangle vertexTriangle in vertex.TriangleSet)
{
// If the triangle is NOT in the selected triangles
if (!selectedTriangles.Contains(vertexTriangle))
{
// Create a clone of the vertex
HairyPlotterVertex vertexClone = plotter.CreateVertex(vertex.Position, vertex.Uv);
// And step through each selected triangle, and switch out the shared vertex for the clone
foreach (HairyPlotterTriangle selectedTriangle in selectedTriangles)
{
selectedTriangle.SwitchVertices(vertex, vertexClone);
}
// We're done
break;
}
}
}
plotter.Dirty = true;
plotter.UpdateVertexIndexes();
}
if (GUILayout.Button("Select Vertices", EditorStyles.miniButton))
{
HashSet <HairyPlotterTriangle> selectedTriangles = new HashSet <HairyPlotterTriangle>(plotter.SelectedTriangles);
HashSet <HairyPlotterVertex> selectedTrianglesVertices = new HashSet <HairyPlotterVertex>(selectedTriangles.SelectMany(x => x.VertexObjects));
plotter.ClearVertexSelection();
foreach (HairyPlotterVertex vertex in selectedTrianglesVertices)
{
plotter.AddSelection(vertex);
}
// Clear triangle selection
plotter.ClearTriangleSelection();
}
if (GUILayout.Button("Clear Selection", EditorStyles.miniButton))
{
plotter.ClearTriangleSelection();
}
if (plotter.CurrentAction == HairyPlotterActions.TriangleDelete)
{
if (GUILayout.Button("Yes!", EditorStyles.miniButton))
{
foreach (HairyPlotterTriangle triangle in plotter.SelectedTriangles)
{
plotter.DestroyTriangle(triangle);
}
plotter.CurrentAction = HairyPlotterActions.None;
}
if (GUILayout.Button("No!", EditorStyles.miniButton))
{
plotter.CurrentAction = HairyPlotterActions.None;
}
}
else
{
if (GUILayout.Button("Delete Selected", EditorStyles.miniButton))
{
plotter.CurrentAction = HairyPlotterActions.TriangleDelete;
}
}
GUI.color = Color.white;
EditorGUILayout.EndHorizontal();
}
}
}
public bool IsSelected(HairyPlotterVertex vertex)
{
return vertex != null && verticeSelection.Contains(vertex);
}
public bool IsSelected(HairyPlotterVertex vertex)
{
return(vertex != null && verticeSelection.Contains(vertex));
}