// Takes a group of contours and draws a silhouette for each contour in the group
public SilhouetteGroup DrawSilhouettesForGroup(List <Contour> contours)
{
SilhouetteGroup sGroup = new SilhouetteGroup();
foreach (Contour c in contours)
{
Silhouette silhouette = DrawSilhouette(c);
RemovePixelNoise(silhouette);
for (int i = 0; i < SilhouetteMergingIterations; i++)
{
MergeSilhouettePieces(silhouette);
}
sGroup.Silhouettes.Add(silhouette);
}
return(sGroup);
}
private void OnRenderImage(RenderTexture source, RenderTexture destination)
{
#region Disable textures
// Finne mesher
allMeshes = new List <Transform>();
foreach (GameObject go in UnityEngine.SceneManagement.SceneManager.GetActiveScene().GetRootGameObjects())
{
if (go.GetComponent <Transform>().childCount > 0)
{
if (go.GetComponent <Transform>().GetChild(0).GetComponent <Renderer>() != null)
{
for (int i = 0; i < go.GetComponent <Transform>().childCount; i++)
{
allMeshes.Add(go.GetComponent <Transform>().GetChild(i));
}
}
}
}
// Fjerne teksturene
for (int i = 0; i < allMeshes.Count; i++)
{
Material[] materials = allMeshes[i].GetComponent <Renderer>().materials;
for (int j = 0; j < materials.Length; j++)
{
allMeshes[i].GetComponent <Renderer>().materials[j].mainTexture = null;
}
}
#endregion
#region Assigning group colors to meshes
System.Random random = new System.Random();
materialMap = new Dictionary <string, List <Color> >();
// Give every triangle in a mesh a single, random color
for (int i = 0; i < allMeshes.Count; i++)
{
List <Color> colorList = new List <Color>();
Color newColor = VectorUtils.RandomRGB(random);
Material[] materials = allMeshes[i].GetComponent <Renderer>().materials;
String meshName = allMeshes[i].name;
for (int j = 0; j < materials.Length; j++)
{
Color oldColor = materials[j].color; // Original color
colorList.Add(oldColor);
allMeshes[i].GetComponent <Renderer>().materials[j].color = newColor; // Temporary ID color
}
materialMap.Add(meshName, colorList);
}
#endregion
#region Per-Pixel Linked list
GeneratePerPixelLinkedList();
#endregion
#region ID rendering
camA.Render();
if (!runOnceId)
{
idContoursAllLayers = new List <List <Contour> >();
int i = 0;
while (i < NumberOfLayers) // *4
{
Shader.SetGlobalInt("_loopMax", i);
if (SortLayersByDepth)
{
Shader.SetGlobalFloat("_sortLayers", 1);
}
else
{
Shader.SetGlobalFloat("_sortLayers", 0);
}
Graphics.ClearRandomWriteTargets();
Graphics.SetRandomWriteTarget(1, nodeBuffer);
//Graphics.SetRandomWriteTarget(2, head);
RenderTexture renderTex = RenderTexture.GetTemporary(Width, Height, 0, RenderTextureFormat.Default);
Material mat = new Material(Shader.Find("Hidden/VectorShader"));
Graphics.Blit(source, renderTex, mat);
Graphics.Blit(renderTex, destination);
// Copy from RenderTexture to a texture
RenderTexture.active = renderTex;
Texture2D tex2d = new Texture2D(Width, Height, TextureFormat.RGB24, false);
tex2d.ReadPixels(new Rect(0, 0, renderTex.width, renderTex.height), 0, 0);
tex2d.Apply();
Rect rect = new Rect(0, 0, Width, Height);
List <Contour> idContoursCurrentLayer = ExtractLayerContours(tex2d); // EXTRACTING CONTOURS
idContoursAllLayers.Add(idContoursCurrentLayer);
RenderTexture.ReleaseTemporary(renderTex);
//VectorUtils.SaveTextureToFile(tex2d, "idldiTex" + i + ".png");
i += 1; // += 4
}
//Graphics.ClearRandomWriteTargets(); // meg
// Storing textures for viewing
/*for (int j = 0; j < idContoursAllLayers.Count; j++)
* {
* if (idContoursAllLayers[j].Count != 0)
* {
* Texture2D contourTexture = VectorUtils.ContourTexture(idContoursAllLayers[j], Width, Height);
* VectorUtils.SaveTextureToFile(contourTexture, "idTex" + j + ".png");
* }
* }*/
runOnceId = true;
}
#endregion
#region Reset mesh colors
// Reset all mesh colors
for (int i = 0; i < allMeshes.Count; i++)
{
Material[] materials = allMeshes[i].GetComponent <Renderer>().materials;
String meshName = allMeshes[i].name;
List <Color> colorList = materialMap[meshName];
for (int j = 0; j < materials.Length; j++)
{
allMeshes[i].GetComponent <Renderer>().materials[j].color = colorList[j]; // NB: sharedMaterials ruins everything!!
}
}
#endregion
#region Per-Pixel Linked list 2
ReleaseBuffers();
GeneratePerPixelLinkedList();
#endregion
#region Rendering final scene
camA.Render();
if (!runOnceFinal)
{
colorContoursAllLayers = new List <List <Contour> >();
int i = 0;
while (i < NumberOfLayers) //*4
{
Shader.SetGlobalInt("_loopMax", i * 4);
if (SortLayersByDepth)
{
Shader.SetGlobalFloat("_sortLayers", 1);
}
else
{
Shader.SetGlobalFloat("_sortLayers", 0);
}
Graphics.ClearRandomWriteTargets();
Graphics.SetRandomWriteTarget(1, nodeBuffer);
//Graphics.SetRandomWriteTarget(2, head);
RenderTexture renderTex = RenderTexture.GetTemporary(Width, Height, 0, RenderTextureFormat.Default);
Material mat = new Material(Shader.Find("Hidden/VectorShader"));
Graphics.Blit(source, renderTex, mat);
Graphics.Blit(renderTex, destination);
// Copy from RenderTexture to a texture
RenderTexture.active = renderTex;
Texture2D tex2d = new Texture2D(Width, Height, TextureFormat.RGB24, false);
tex2d.ReadPixels(new Rect(0, 0, renderTex.width, renderTex.height), 0, 0);
tex2d.Apply();
Rect rect = new Rect(0, 0, Width, Height);
List <Contour> colorContoursCurrentLayer = ExtractLayerContours(tex2d);
colorContoursAllLayers.Add(colorContoursCurrentLayer);
RenderTexture.ReleaseTemporary(renderTex);
//VectorUtils.SaveTextureToFile(tex2d, "ldiTex" + i + ".png");
i += 1;
}
//Graphics.ClearRandomWriteTargets(); // meg
// Storing textures for viewing
/*for (int j = 0; j < colorContoursAllLayers.Count; j++)
* {
* if (colorContoursAllLayers[j].Count != 0)
* {
* Texture2D contourTexture = VectorUtils.ContourTexture(colorContoursAllLayers[j], Width, Height);
* VectorUtils.SaveTextureToFile(contourTexture, "colorTex" + j + ".png");
* }
* }*/
runOnceFinal = true;
#endregion
#region Draw SVG
List <List <ContourGroup> > contourGroupsAllLayers = IdentifyGroups(idContoursAllLayers, colorContoursAllLayers); // IDENTIFY GROUPS
List <Layer> layers = new List <Layer>();
foreach (List <ContourGroup> cGroups in contourGroupsAllLayers) // DRAW SILHOUETTES
{
Layer layer = new Layer();
foreach (ContourGroup cg in cGroups)
{
SilhouetteGroup sg = new SilhouetteGroup();
layer.SilhouetteGroups.Add(DrawSilhouettesForGroup(cg.Contours));
}
layers.Add(layer);
}
layers.Reverse();
SVGProject.SVGWriter writer = new SVGProject.SVGWriter(Width, Height);
writer.WriteSilhouettesToSVG(layers, Height); // WRITING SVG FILE
try
{
// writer.SaveDocument(@"C:\Users\Vidar Hartveit Ure\Desktop\forsok.svg");
// writer.SaveDocument(@"E:\Vidar\Desktop\forsok.svg");
writer.SaveDocument(SVGFilePath);
}
catch (DirectoryNotFoundException e)
{
Debug.Log("Error on file saving: Directory not found!");
QuitApplication();
}
int layerCount = layers.Count;
int groupCount = 0;
int pieceCount = 0;
int silhouetteCount = 0;
int pointCount = 0;
foreach (Layer l in layers)
{
foreach (SilhouetteGroup sg in l.SilhouetteGroups)
{
groupCount++;
foreach (Silhouette s in sg.Silhouettes)
{
silhouetteCount++;
foreach (SilhouettePiece spi in s.Pieces)
{
pieceCount++;
foreach (ContourPixel p in spi.Points)
{
pointCount++;
}
}
}
}
}
Debug.Log("Number of layers: " + layerCount);
Debug.Log("Number of silhouette groups: " + groupCount);
Debug.Log("Number of silhouettes: " + silhouetteCount);
Debug.Log("Number of silhouette pieces: " + pieceCount);
Debug.Log("Number of points: " + pointCount);
//Texture2D silhouetteTexture = LayerTexture(layers[0]);
//SaveTextureToFile(silhouetteTexture, "siltex.png");
QuitApplication();
#endregion
}
}
