public bool TryLoadCached()
{
var sz = this.mVolumeSource.VolumeSize;
var path = VolumeBufferFile.CacheFilePath(this.gameObject.name, sz);
if (VolumeBufferFile.CacheFileExists(path))
{
Debug.Log("Loading from cache '" + path + "'");
this.mColorBuffer = VolumeBufferFile.ReadVolFromFile(sz, path);
return(this.mColorBuffer != null);
}
return(false);
}
private IEnumerable <bool> UpdateAura()
{
Debug.Log("UPDATING AURA.");
var m2w = this.transform.localToWorldMatrix;
bool debugMe = true;
var proj = SpanAPI.spanProjFromCubicDomainAndRange(
mColorBuffer.Size.Select(k => SpanAPI.span(0, k - 1)),
Cubic <SpanF> .CreateSame(SpanAPI.span(-0.5, 0.5))
);
var invProj = SpanAPI.spanProjFromCubicDomainAndRange(
Cubic <SpanF> .CreateSame(SpanAPI.span(-0.5, 0.5)),
mColorBuffer.Size.Select(k => SpanAPI.span(0, k - 1))
);
var invProjForMath = SpanAPI.spanProjFromCubicDomainAndRange(
Cubic <SpanF> .CreateSame(SpanAPI.span(-0.5, 0.5)),
Cubic <SpanF> .CreateSame(SpanAPI.span(-1.0, 1.0))
);
VolumeBuffer <float> distances = null;
bool needsDistances = false;
bool needsSurface = true;
var sz = this.mColorBuffer.Size;
var path = VolumeBufferFile.CacheFilePath(this.gameObject.name + "_sdf", sz);
var pathOpacity = VolumeBufferFile.CacheFilePath(this.gameObject.name + "_opacity", sz);
if ((!this.RefreshDistances) && VolumeBufferFile.CacheFileExists(path))
{
distances = VolumeBufferFile.ReadFloatVolFromFile(sz, path);
}
if ((!this.RefreshDistances) && VolumeBufferFile.CacheFileExists(pathOpacity))
{
distances = VolumeBufferFile.ReadFloatVolFromFile(sz, pathOpacity);
needsDistances = true;
needsSurface = false;
}
if (distances == null)
{
distances = new VolumeBuffer <float>(sz);
distances.ClearAll(-1.0f);
needsDistances = true;
}
if (needsDistances)
{
if (needsSurface)
{
Debug.Log("AURA SURFACES...");
// First see which points are touching:
Color defaultVal = Color.clear;
for (int i = 0; i < this.mColorBuffer.Length; i++)
{
var ndx = this.mColorBuffer.UnprojectIndex(i);
var mpos = SpanAPI.spanProjCubicInt(proj, ndx);
Color curColor = defaultVal;
float curDistance = -1.0f;
if (this.mColorBuffer.IsEdge(ndx))
{
// it's an edge, ignore it
}
else
{
var center = mpos.Select(k => (k.From + k.To) * 0.5f).AsVector();
var radius = mpos.Select(k => Mathf.Abs((float)((k.From - k.To) * 0.5f))).Aggregate((a, b) => ((a + b) * 0.5f));
var wcenter = m2w.MultiplyPoint(center);
var wradius = m2w.MultiplyVector(Vector3.one * radius).magnitude;
if (Physics.CheckSphere(wcenter, wradius))
{
//Debug.Log ("Touched something");
curColor = Color.white;
curColor.a = 0.2f;
curDistance = 0.0f;
}
}
this.mColorBuffer.Write(ndx, curColor);
distances.Write(ndx, curDistance);
if (((i % 100)) == 99)
{
this.UpdateTextureFromBuffer();
yield return(false);
}
}
VolumeBufferFile.SaveFloatVolToFile(distances, pathOpacity);
}
// Now calculate the actual distances:
Debug.Log("AURA DISTANCES...");
if (false)
{
// if this works:
VolumeBufferUtil.ConvertOpacityToDistanceBuffer(distances);
}
else
{
// this works but is super slow:
float maxDist = CubicIntDist(Cubic <int> .CreateSame(0), distances.Size);
for (int i = 0; i < this.mColorBuffer.Length; i++)
{
var ndx = this.mColorBuffer.UnprojectIndex(i);
var centerDist = distances.Read(ndx);
if (centerDist < 0.0f)
{
// needs recalc, slowest possible way O(n^6):
float closestDistance = -1.0f;
for (int j = 0; j < distances.Array.Length; j++)
{
if (distances.Array[j] == 0.0f)
{
float dist = CubicIntDist(distances.UnprojectIndex(j), ndx) / maxDist;
if ((closestDistance < 0.0f) || (dist < closestDistance))
{
closestDistance = dist;
}
}
}
distances.Write(ndx, closestDistance);
Color testColor = Color.white;
testColor.a = closestDistance;
this.mColorBuffer.Write(ndx, testColor);
if (((i % 100)) == 99)
{
this.UpdateTextureFromBuffer();
yield return(false);
}
}
}
}
// Write out the results:
VolumeBufferFile.SaveFloatVolToFile(distances, path);
}
ChakraAuraSettings auraSettings = this.GetComponent <ChakraAuraSettings>();
if (auraSettings.UseChakraAuraDistance)
{
Debug.Log("AURA-TO-CHAKRA DISTANCES...");
// modify distances based on chakra locality:
var allChakras = this.gameObject
.GetComponentInParent <ChakraControl>()
.AllPoints
.Where(k => ((!k.IsAura) && (!k.IsMultiChakras)))
.Where(k => (!k.ChakraOneWay))
.Select(k => Matrix4x4.TRS(k.transform.position, k.transform.rotation, Vector3.one).inverse)
.ToArray();
Debug.Log("Chakra Count = " + allChakras.Length);
for (int li = 0; li < distances.Array.Length; li++)
{
var ndx = this.mColorBuffer.UnprojectIndex(li);
var mpos = SpanAPI.spanProjCubicInt(proj, ndx).Select(k => (k.From + k.To) * 0.5f).AsVector();
var wpos = m2w.MultiplyPoint(mpos);
var dist = distances.Array[li];
var origdist = dist;
foreach (var c in allChakras)
{
var lpos = c.MultiplyPoint(wpos);
var ldist = Mathf.Sqrt((lpos.x * lpos.x) + (lpos.z * lpos.z)) / (Mathf.Abs(lpos.y) * 1.5f);
ldist = 0.5f - (ldist * ldist);
if (ldist > dist)
{
dist = ldist; //(origdist - ldist);
}
}
//if (origdist == dist) dist = 0.0f; // HACK REMOVE
distances.Array[li] = dist;
if (((li % 100)) == 99)
{
float pct = ((float)li) / ((float)distances.Array.Length);
Debug.Log("Updating aura-chakra distance (" + (pct * 100.0f) + "%)");
yield return(false);
}
}
}
// Calculate the colors from the distances:
float[] idealDistances = auraSettings.AuraDistances; // { 0.0165f, 0.05f, 0.1f };
Color[] idealColors = auraSettings.AuraColors; // { Color.red, Color.green, new Color(0.0f, 1.0f, 1.0f, 1.0f) };
//float IdealDistance = 0.0165f;
//float AuraWidth = 0.0125f;
Debug.Log("AURA COLORS...");
float previousDist = 0.0f;
for (int i = 0; i < this.mColorBuffer.Length; i++)
{
var ndx = this.mColorBuffer.UnprojectIndex(i);
var dist = distances.Read(ndx);
dist = dist * dist; // 1.0f / (dist * dist);
Color resColor = Color.clear;
for (int layerNdx = idealDistances.Length - 1; layerNdx >= 0; layerNdx--)
{
var edgeDist = idealDistances[layerNdx] * auraSettings.WholeScaleDistances;
if (dist < edgeDist)
{
var edgeColor = idealColors[layerNdx];
var nextDist = 0.0f; // ((layerNdx > 0) ? (idealDistances[layerNdx - 1] * auraSettings.WholeScaleDistances) : 0.0f);
float strength = Mathf.Clamp01(1.0f - (Mathf.Abs(dist - edgeDist) / (edgeDist - nextDist)));
Color curColor = edgeColor;
curColor.a = curColor.a * strength;
resColor = curColor;// Colors_BlendOver(auraSettings, resColor, curColor);
}
previousDist = edgeDist;
}
this.mColorBuffer.Write(ndx, resColor);
if (((i % 100)) == 99)
{
Debug.Log("cur = " + dist);
this.UpdateTextureFromBuffer();
yield return(false);
}
while (auraSettings.IsPauseCalculation)
{
yield return(false);
}
}
this.mColorBuffer.ClearEdges(Color.clear);
//return;
this.UpdateTextureFromBuffer();
this.TrySaveToCache();
Debug.Log("AURA UPDATED!");
}