public static void GetWindow()
{
MeshPainter window = GetWindow <MeshPainter>();
window.title = "Mesh Painter";
//MeshPainter._window = window;
}
void OnEnable()
{
meshPainter = target as MeshPainter;
// Load brush icons.
BrushTextures = new Texture2D[20];
for (int i = 0; i != BrushTextures.Length; ++i)
{
BrushTextures[i] = (Texture2D)EditorGUIUtility.Load(string.Format("builtin_brush_{0}.png", i + 1));
}
}
protected void InstanciateNext(Vector3 position)
{
GameObject prefab = null;
float rand = Random.Range(0.0f, 1.1f);
float tmp = 0.0f;
MeshPainter painter = MeshPainter.Window;
for (int i = 0, size = painter.randValue.Length; i < size; ++i)
{
tmp += painter.randValue[i];
if (tmp > rand)
{
prefab = painter.toPaint[i];
painter._instanceId = i;
break;
}
}
if (prefab == null)
{
return;
}
GameObject obj = PrefabUtility.InstantiatePrefab(prefab) as GameObject;
obj.transform.position = position;
obj.transform.rotation = Quaternion.identity;
if (painter.parent != null)
{
obj.transform.parent = painter.parent.transform;
}
if (painter._useNormal == false)
{
obj.transform.Rotate(Random.Range(painter.minRotX, painter.maxRotX),
Random.Range(painter.minRotY, painter.maxRotY),
Random.Range(painter.minRotZ, painter.maxRotZ));
}
else
{
obj.transform.Rotate(0.0f,
Random.Range(painter.minRotY, painter.maxRotY),
0.0f);
}
float scale = Random.Range(painter.minScale, painter.maxScale);
obj.transform.localScale = new Vector3(scale, scale, scale);
painter._previousCreated.Add(painter._nextInstance);
painter._nextInstance = obj;
}
void OnEnable()
{
meshPainter = target as MeshPainter;
// Load brush icons.
BrushTextures = new Texture2D[20];
for (int i = 0; i != BrushTextures.Length; ++i)
{
BrushTextures[i] = (Texture2D)EditorGUIUtility.Load(string.Format("builtin_brush_{0}.png", i + 1));
}
// initial layer strings.
layerStrings = new string[4];
layerStrings[0] = "R 通道";
layerStrings[1] = "G 通道";
layerStrings[2] = "B 通道";
layerStrings[3] = "A 通道";
// load shader
shader = Shader.Find("Painter");
}
protected void PaintMesh(Event ev) // Button 0 pressed paint Mesh on scene
{
Ray ray = HandleUtility.GUIPointToWorldRay(ev.mousePosition);
RaycastHit hitInfo;
if (Physics.Raycast(ray, out hitInfo) == true)
{
if (this._nextInstance == null)
{
return;
}
this._nextInstance.transform.position += (hitInfo.point - this.lastPos);
if (this._useNormal == true)
{
Vector3 interpolatedNormal;
interpolatedNormal = hitInfo.normal;
this._nextInstance.transform.rotation = Quaternion.FromToRotation(this._nextInstance.transform.up, interpolatedNormal) * this._nextInstance.transform.rotation;
}
this.lastPos = hitInfo.point;
if (hitInfo.collider.tag != this.tag ||
Time.realtimeSinceStartup - this._lastDraw < this.speedBrush)
{
return;
}
this.nbObjectGenerated += 1;
if (this.triangles[this.toPaint[this._instanceId]] == -1)
{
MeshPainter.GetTrianglesVertices(this._nextInstance, this.toPaint[this._instanceId]);
}
this.nbTriangles += this.triangles[this.toPaint[this._instanceId]];
this.nbVertices += this.vertices[this.toPaint[this._instanceId]];
MeshPainter.Window.Repaint();
MeshPainter.Window.brushes[(int)this.currentBrush](hitInfo.point);
this._lastDraw = Time.realtimeSinceStartup;
}
}
void OnGUI()
{
MeshPainter painter = MeshPainter.Window;
GUIContent content = new GUIContent();
int newSize = 0;
bool active = painter.activated;
painter._scroll = EditorGUILayout.BeginScrollView(painter._scroll, false, false);
content.text = "Active";
painter.activated = EditorGUILayout.Toggle(content, painter.activated);
if (painter.activated != active)
{
if (active == false)
{
SceneView.onSceneGUIDelegate += OnScene;
}
else
{
SceneView.onSceneGUIDelegate -= OnScene;
}
}
content.text = "Parent of objects in Scene";
painter.parent = EditorGUILayout.ObjectField(content, painter.parent, typeof(GameObject), true) as GameObject;
content.text = "Object to Paint";
painter._arraysFoldout = EditorGUILayout.Foldout(painter._arraysFoldout, content);
#region Array foldout
if (painter._arraysFoldout)
{
++EditorGUI.indentLevel;
GameObject go;
content.text = "Arrays size of Objects";
newSize = EditorGUILayout.IntField(content, painter._arraySize);
if (newSize != painter._arraySize)
{
int i = 0;
GameObject[] tmp = new GameObject[newSize];
float[] randTmp = new float[newSize];
for (int size = Mathf.Min(newSize, painter.toPaint.Length); i < size; ++i)
{
tmp[i] = painter.toPaint[i];
randTmp[i] = painter.randValue[i];
}
for (int size = randTmp.Length; i < size; ++i)
{
randTmp[i] = 0.0f;
}
painter.toPaint = tmp;
painter.randValue = randTmp;
painter._arraySize = newSize;
}
for (int i = 0; i < newSize; ++i)
{
content.text = "Object " + i.ToString();
GUILayout.BeginHorizontal();
{
go = painter.toPaint[i];
painter.toPaint[i] = EditorGUILayout.ObjectField(content, painter.toPaint[i], typeof(GameObject)) as GameObject;
if (go != painter.toPaint[i])
{
painter.triangles.Remove(painter.toPaint[i]);
painter.vertices.Remove(painter.toPaint[i]);
if (painter.toPaint[i] != null)
{
painter.triangles[painter.toPaint[i]] = -1;
painter.vertices[painter.toPaint[i]] = -1;
}
// this.GetTrianglesVertices(MeshPainter.toPaint[i]);
}
painter.randValue[i] = EditorGUILayout.FloatField((painter.randValue[i] * 100.0f)) / 100.0f;
content.text = "%";
EditorGUILayout.LabelField(content, GUILayout.MaxWidth(20));
}
GUILayout.EndHorizontal();
}
--EditorGUI.indentLevel;
}
#endregion
content.text = "Tag to draw on";
painter.tag = EditorGUILayout.TagField(content, painter.tag);
content.text = "Scale range";
GUILayout.BeginHorizontal();
{
painter.minScale = EditorGUILayout.FloatField(content, painter.minScale);
painter.maxScale = EditorGUILayout.FloatField(painter.maxScale);
}
GUILayout.EndHorizontal();
content.text = "Rotation Y";
GUILayout.BeginHorizontal();
{
//EditorGUILayout.MinMaxSlider(content, ref MeshPainter.minRotY, ref MeshPainter.maxRotY, -360.0f, 360.0f);
painter.minRotY = EditorGUILayout.FloatField(content, painter.minRotY);
painter.maxRotY = EditorGUILayout.FloatField(painter.maxRotY);
}
GUILayout.EndHorizontal();
content.text = "Follow normal";
painter._useNormal = EditorGUILayout.Toggle(content, painter._useNormal);
if (painter._useNormal == false)
{
//EditorGUILayout.MinMaxSlider(content, ref MeshPainter.minScale, ref MeshPainter.maxScale, 0.01f, 5.0f);
content.text = "Rotation X";
GUILayout.BeginHorizontal();
{
//EditorGUILayout.MinMaxSlider(content, ref MeshPainter.minRotX, ref MeshPainter.maxRotX, -360.0f, 360.0f);
painter.minRotX = EditorGUILayout.FloatField(content, painter.minRotX);
painter.maxRotX = EditorGUILayout.FloatField(painter.maxRotX);
}
GUILayout.EndHorizontal();
content.text = "Rotation Z";
GUILayout.BeginHorizontal();
{
//EditorGUILayout.MinMaxSlider(content, ref MeshPainter.minRotZ, ref MeshPainter.maxRotZ, -360.0f, 360.0f);
painter.minRotZ = EditorGUILayout.FloatField(content, painter.minRotZ);
painter.maxRotZ = EditorGUILayout.FloatField(painter.maxRotZ);
}
GUILayout.EndHorizontal();
}
content.text = "Brush type : ";
painter.currentBrush = (BrushType)EditorGUILayout.EnumPopup(content, painter.currentBrush);
content.text = "Refresh rate of brush";
painter.speedBrush = EditorGUILayout.FloatField(content, painter.speedBrush);
content.text = "Brush raycast distance : ";
painter.rayCastdistance = EditorGUILayout.FloatField(content, painter.rayCastdistance);
content.text = "Objects generated : " + painter.nbObjectGenerated;
EditorGUILayout.LabelField(content);
content.text = "Triangles generated : " + painter.nbTriangles;
EditorGUILayout.LabelField(content);
content.text = "Vertices generated : " + painter.nbVertices;
EditorGUILayout.LabelField(content);
content.text = "Reset information generated";
if (GUILayout.Button(content) == true)
{
painter.ClearInfo();
}
content.text = "Destroy generated objects";
if (GUILayout.Button(content) == true)
{
painter.DestroyPrevious();
}
content.text = "Batch instancies";
if (GUILayout.Button(content) == true)
{
painter.BatchInstancies();
}
EditorGUILayout.EndScrollView();
}
public static void OnScene(SceneView view)
{
MeshPainter painter = MeshPainter.Window;
int controlID = GUIUtility.GetControlID(FocusType.Passive);
Event ev = Event.current;
//if (ev.isKey == true)
//{
// if (ev.keyCode == KeyCode.Z && ev.control == true)
// {
// MeshPainter.UnDo();
// ev.Use();
// }
//}
if (ev.isMouse == true)
{
if (ev.type == EventType.MouseDown && ev.button == 0) // LEFT BUTTON DOWN
{
Ray ray = HandleUtility.GUIPointToWorldRay(ev.mousePosition);
RaycastHit hitInfo;
if (Physics.Raycast(ray, out hitInfo) == true)
{
MeshPainter.Window.brushes[(int)painter.currentBrush](hitInfo.point);
}
else
{
MeshPainter.Window.brushes[(int)painter.currentBrush](Vector3.zero);
}
painter._isDrawing = true;
painter._lastDraw = Time.realtimeSinceStartup;
painter.lastPos = hitInfo.point;
//MeshPainter.nbObjectGenerated = 0;
//MeshPainter.nbTriangles = 0;
//MeshPainter.nbVertices = 0;
}
else if (ev.type == EventType.MouseUp && ev.button == 0) // LEFT BUTTON UP
{
//if (Time.realtimeSinceStartup - painter._lastDraw < painter.speedBrush)
//{
GameObject.DestroyImmediate(painter._nextInstance);
//}
//else
// MeshPainter.PaintMesh(ev);
//painter._nextInstance = null;
painter._isDrawing = false;
}
if (ev.alt == true)
{
return;
}
else if (painter._isDrawing == true &&
painter.activated == true)
{
painter.PaintMesh(ev);
//ev.Use();
}
}
if (ev.type == EventType.Layout)
{
HandleUtility.AddDefaultControl(controlID);
}
}
