private void Update(EvaluationContext context)
{
var worldToClipSpace = Matrix.Multiply(context.WorldToCamera, context.CameraToClipSpace);
//Matrix worldToView = context.WorldToCamera * context.CameraProjection;
//var worldToClipSpace = context.WorldToCamera
//var viewToWorld = Matrix.Invert(worldToClipSpace);
var brightness = Brightness.GetValue(context);
var color = Color.GetValue(context);
var randomizeColor = RandomizeColor.GetValue(context);
var size = Size.GetValue(context);
var randomizeSize = RandomizeSize.GetValue(context);
var stretch = Stretch.GetValue(context);
var distanceFromLight = DistanceFromLight.GetValue(context);
var spread = Spread.GetValue(context);
var randomizeSpread = RandomizeSpread.GetValue(context);
var positionFactor = PositionFactor.GetValue(context);
var randomizePosition = RandomizePosition.GetValue(context);
var mixPointLightColor = MixPointLightColor.GetValue(context);
var referencedLightIndex = LightIndex.GetValue(context);
var innerFxZone = InnerFxZone.GetValue(context);
var edgeFxZone = EdgeFxZone.GetValue(context);
var zoneFxScale = FxZoneScale.GetValue(context);
var zoneFxBrightness = FxZoneBrightness.GetValue(context);
var matteBoxZone = MattBoxZone.GetValue(context);
var rand = new Random(RandomSeed.GetValue(context));
var fxZoneMode = (ZoneFxModes)FxZoneMode.GetValue(context);
var rotation = Rotation.GetValue(context);
var rotationSpread = RotationSpread.GetValue(context);
var rotateTowards = (Categories)RotateTowards.GetValue(context);
int startLightIndex = 0;
int endLightIndex = context.PointLights.Count;
_tempList.Clear();
if (brightness > 0.00001f)
{
if (referencedLightIndex >= 0)
{
startLightIndex = referencedLightIndex;
endLightIndex = referencedLightIndex + 1;
}
var aspectRatio = (float)context.RequestedResolution.Width / (float)context.RequestedResolution.Height;
for (int lightIndex = startLightIndex; lightIndex < endLightIndex; lightIndex++)
{
var pointLight = context.PointLights.GetPointLight(lightIndex);
var lightPosDx = pointLight.Position.ToSharpDxVector4(1);
var posInViewDx = SharpDX.Vector4.Transform(lightPosDx, worldToClipSpace);
posInViewDx /= posInViewDx.W;
// Ignore light sources behind
var hideFactor = posInViewDx.Z < 0 ? 0 : 1;
posInViewDx /= posInViewDx.W;
var lightPosInView2D = new Vector2(posInViewDx.X, posInViewDx.Y);
var count = SpriteCount.GetValue(context).Clamp(0, 1000);
if (count != _sprites.NumElements)
{
_sprites = new StructuredList <Sprite>(count);
}
// Render Planes
for (var i = 0; i < count; ++i)
{
var f = count <= 1 ? 0 : ((float)i / (count - 1) - 0.5f);
var positionOnLine = (float)((-distanceFromLight
+ f * spread * 2
+ randomizeSpread * (rand.NextDouble() - 0.5) + 1));
Vector2 objectScreenPos = lightPosInView2D * positionOnLine * positionFactor + (new Vector2(1, 1) - positionFactor) * lightPosInView2D;
objectScreenPos += new Vector2((float)(randomizePosition.X * (rand.NextDouble() - 0.5)),
(float)(randomizePosition.Y * (rand.NextDouble() - 0.5)));
var sizeWithRandom = size * (float)(1.0 + randomizeSize * (rand.NextDouble() - 0.5)) / 0.2f;
var colorWithLight = new Vector4((color.X + randomizeColor.X * (float)(rand.NextDouble() - 0.5) * 4) * MathUtils.Lerp(1f, pointLight.Color.X, mixPointLightColor),
(color.Y + randomizeColor.Y * (float)(rand.NextDouble() - 0.5) * 4) * MathUtils.Lerp(1f, pointLight.Color.Y, mixPointLightColor),
(color.Z + randomizeColor.Z * (float)(rand.NextDouble() - 0.5) * 4) * MathUtils.Lerp(1f, pointLight.Color.Z, mixPointLightColor),
color.W * (1 - randomizeColor.W * (float)(rand.NextDouble() * 2)));
var spriteColor = Vector4.Clamp(colorWithLight, Vector4.Zero, new Vector4(100, 100, 100, 1));
var triggerPosition = fxZoneMode == ZoneFxModes.Lights
? lightPosInView2D
: objectScreenPos;
var d = GetDistanceToEdge(triggerPosition);
var cInnerZone = MathUtils.SmootherStep(innerFxZone.Y, innerFxZone.X, 1 - d);
var cEdgeZone = MathUtils.SmootherStep(edgeFxZone.X, edgeFxZone.Y, 1 - d);
var cMatteBox = MathUtils.SmootherStep(matteBoxZone.Y, matteBoxZone.X, 1 - d);
var totalTriggerAmount = (cInnerZone + cEdgeZone) * cMatteBox;
sizeWithRandom *= (1 + zoneFxScale * totalTriggerAmount).Clamp(0, 100);
var brightnessEffect = (zoneFxBrightness * totalTriggerAmount).Clamp(0, 100);
spriteColor.X += brightnessEffect;
spriteColor.Y += brightnessEffect;
spriteColor.Z += brightnessEffect;
spriteColor.W = ((spriteColor.W + brightnessEffect)).Clamp(0, 1);
spriteColor.W *= cMatteBox * pointLight.Color.W;
// This might actually be a good idea. Maybe we should do this later..
// Fade with incoming alpha from FlatShaders and Materials
//color.W *= materialAlpha;
float spriteRotation = rotation;
switch (rotateTowards)
{
case Categories.Object:
break;
case Categories.Light:
spriteRotation -=
(float)(Math.Atan2((objectScreenPos.X - lightPosInView2D.X) * aspectRatio, objectScreenPos.Y - lightPosInView2D.Y) +
MathF.PI) * (180 / MathF.PI);
break;
case Categories.ScreenCenter:
spriteRotation -= (float)(Math.Atan2(objectScreenPos.X, objectScreenPos.Y) + MathF.PI) * 180f / MathF.PI;
break;
default:
throw new ArgumentOutOfRangeException();
}
// // Transforom UV to pick correct texture cell
// if (TextureCellsRows == 0)
// TextureCellsRows = 1;
//
// if (TextureCellsColumns == 0)
// TextureCellsColumns = 1;
// int row = (int)(Math.Floor(i / TextureCellsColumns) % TextureCellsRows);
// int column = (int)(i % TextureCellsRows);
//
// var translationUV = new Vector3(1 / TextureCellsColumns * column, 1 / TextureCellsRows * row, 0);
// var rotationUV = new Quaternion();
// var scaleUV = new Vector3(1 / TextureCellsColumns, 1 / TextureCellsRows, 0);
// var pivotUV = new Vector3(0, 0, 0);
//
// var transformUV = Matrix.Transformation(pivotUV, new Quaternion(), scaleUV, pivotUV, rotationUV, translationUV);
// var prevTransformUV = context.TextureMatrix;
// context.TextureMatrix = transformUV * prevTransformUV;
spriteColor.W *= brightness;
_tempList.Add(new Sprite
{
PosInClipSpace = objectScreenPos,
Size = sizeWithRandom * stretch * hideFactor,
Color = spriteColor,
RotationDeg = spriteRotation + f * rotationSpread * 180,
UvMin = Vector2.Zero,
UvMax = Vector2.One,
});
}
}
}
// Copy to structured array
if (_tempList.Count != _sprites.NumElements)
{
_sprites = new StructuredList <Sprite>(_tempList.Count);
}
for (var spriteIndex = 0; spriteIndex < _tempList.Count; spriteIndex++)
{
_sprites.TypedElements[spriteIndex] = _tempList[spriteIndex];
}
OutBuffer.Value = _sprites;
}
private void Update(EvaluationContext context)
{
try
{
var resourceManager = ResourceManager.Instance();
var scale = Scale.GetValue(context);
var stretch = Stretch.GetValue(context);
var stretchDX = new SharpDX.Vector3(stretch.X, stretch.Y, stretch.Z);
var pivot = Pivot.GetValue(context);
var pivotDX = new SharpDX.Vector3(pivot.X, pivot.Y, pivot.Z);
var rotation = Rotation.GetValue(context);
var cubeRotationMatrix = Matrix.RotationYawPitchRoll(MathUtil.DegreesToRadians(rotation.Y),
MathUtil.DegreesToRadians(rotation.X),
MathUtil.DegreesToRadians(rotation.Z));
var center = Center.GetValue(context);
// var offset = new SharpDX.Vector3(stretch.X * scale * (pivot.X - 0.5f),
// stretch.Y * scale * (pivot.Y - 0.5f),
// stretch.Z * scale * (pivot.Z - 0.5f));
var offset = -SharpDX.Vector3.One * 0.5f;
var center2 = new SharpDX.Vector3(center.X, center.Y, center.Z);
var segments = Segments.GetValue(context);
_xSegments = segments.X.Clamp(1, 10000) + 1;
_ySegments = segments.Y.Clamp(1, 10000) + 1;
_zSegments = segments.Z.Clamp(1, 10000) + 1;
var faceCount = (_ySegments - 1) * (_xSegments - 1) * 2 * 2 // front / back
+ (_ySegments - 1) * (_zSegments - 1) * 2 * 2 // top / bottom
+ (_xSegments - 1) * (_zSegments - 1) * 2 * 2; // left / right
var verticesCount = (_ySegments * _xSegments + _ySegments * _zSegments + _xSegments * _zSegments) * 2;
// Create buffers
if (_vertexBufferData.Length != verticesCount)
{
_vertexBufferData = new PbrVertex[verticesCount];
}
if (_indexBufferData.Length != faceCount)
{
_indexBufferData = new SharpDX.Int3[faceCount];
}
int sideFaceIndex = 0;
int sideVertexIndex = 0;
for (var sideIndex = 0; sideIndex < _sides.Length; sideIndex++)
{
var side = _sides[sideIndex];
var sideRotationMatrix = Matrix.RotationYawPitchRoll(side.SideRotation.Y,
side.SideRotation.X,
side.SideRotation.Z);
var rotationMatrix = Matrix.Multiply(sideRotationMatrix, cubeRotationMatrix);
var columnCount = GetSegmentCountForAxis(side.ColumnAxis);
var rowCount = GetSegmentCountForAxis(side.RowAxis);
var columnStretch = GetComponentForAxis(side.ColumnAxis, stretch);
var rowStretch = GetComponentForAxis(side.RowAxis, stretch);
var depthStretch = GetComponentForAxis(side.DepthAxis, stretch);
double columnStep = 1.0 / (columnCount - 1);
double rowStep = 1.0 / (rowCount - 1);
float depthScale = 1f;
var normal = SharpDX.Vector3.TransformNormal(SharpDX.Vector3.ForwardLH, rotationMatrix);
var tangent = SharpDX.Vector3.TransformNormal(SharpDX.Vector3.Right, rotationMatrix);
var binormal = SharpDX.Vector3.TransformNormal(SharpDX.Vector3.Up, rotationMatrix);
// Initialize
for (int columnIndex = 0; columnIndex < columnCount; ++columnIndex)
{
var columnFragment = (float)(columnIndex * columnStep);
var u0 = columnIndex / ((float)columnCount - 1);
for (int rowIndex = 0; rowIndex < rowCount; ++rowIndex)
{
var rowFragment = (float)(rowIndex * rowStep);
var vertexIndex = rowIndex + columnIndex * rowCount + sideVertexIndex;
var faceIndex = 2 * (rowIndex + columnIndex * (rowCount - 1)) + sideFaceIndex;
var p = new SharpDX.Vector3(columnFragment,
rowFragment,
depthScale);
var v0 = (rowIndex) / ((float)rowCount - 1);
var uv0 = new SharpDX.Vector2(u0, v0);
var position = (SharpDX.Vector3.TransformNormal(p + offset, sideRotationMatrix) + pivotDX) * stretchDX * scale;
position = SharpDX.Vector3.TransformNormal(position, cubeRotationMatrix);
_vertexBufferData[vertexIndex + 0] = new PbrVertex
{
Position = position + center2,
Normal = normal,
Tangent = tangent,
Bitangent = binormal,
Texcoord = uv0,
Selection = 1,
};
if (columnIndex >= columnCount - 1 || rowIndex >= rowCount - 1)
{
continue;
}
_indexBufferData[faceIndex + 0] = new SharpDX.Int3(vertexIndex, vertexIndex + rowCount, vertexIndex + 1);
_indexBufferData[faceIndex + 1] = new SharpDX.Int3(vertexIndex + rowCount, vertexIndex + rowCount + 1, vertexIndex + 1);
}
}
sideVertexIndex += columnCount * rowCount;
sideFaceIndex += (columnCount - 1) * (rowCount - 1) * 2;
}
// Write Data
_vertexBufferWithViews.Buffer = _vertexBuffer;
resourceManager.SetupStructuredBuffer(_vertexBufferData, PbrVertex.Stride * verticesCount, PbrVertex.Stride, ref _vertexBuffer);
resourceManager.CreateStructuredBufferSrv(_vertexBuffer, ref _vertexBufferWithViews.Srv);
resourceManager.CreateStructuredBufferUav(_vertexBuffer, UnorderedAccessViewBufferFlags.None, ref _vertexBufferWithViews.Uav);
_indexBufferWithViews.Buffer = _indexBuffer;
const int stride = 3 * 4;
resourceManager.SetupStructuredBuffer(_indexBufferData, stride * faceCount, stride, ref _indexBuffer);
resourceManager.CreateStructuredBufferSrv(_indexBuffer, ref _indexBufferWithViews.Srv);
resourceManager.CreateStructuredBufferUav(_indexBuffer, UnorderedAccessViewBufferFlags.None, ref _indexBufferWithViews.Uav);
_data.VertexBuffer = _vertexBufferWithViews;
_data.IndicesBuffer = _indexBufferWithViews;
Data.Value = _data;
Data.DirtyFlag.Clear();
}
catch (Exception e)
{
Log.Error("Failed to create cube mesh:" + e.Message);
}
}
private void Update(EvaluationContext context)
{
try
{
var resourceManager = ResourceManager.Instance();
var scale = Scale.GetValue(context);
var stretch = Stretch.GetValue(context);
var pivot = Pivot.GetValue(context);
var rotation = Rotation.GetValue(context);
float yaw = MathUtil.DegreesToRadians(rotation.Y);
float pitch = MathUtil.DegreesToRadians(rotation.X);
float roll = MathUtil.DegreesToRadians(rotation.Z);
var rotationMatrix = Matrix.RotationYawPitchRoll(yaw, pitch, roll);
//var offset =
var center = Center.GetValue(context);
//var centerRotated = SharpDX.Vector3.Transform(new SharpDX.Vector3(center.X, center.Y, center.Z), rotationMatrix);
var offset = new SharpDX.Vector3(stretch.X * scale * (pivot.X - 0.5f),
stretch.Y * scale * (pivot.Y - 0.5f),
0);
var center2 = new SharpDX.Vector3(center.X, center.Y, center.Z);
var segments = Segments.GetValue(context);
var columns = segments.Width.Clamp(1, 10000) + 1;
var rows = segments.Height.Clamp(1, 10000) + 1;
var faceCount = (columns - 1) * (rows - 1) * 2;
var verticesCount = columns * rows;
// Create buffers
if (_vertexBufferData.Length != verticesCount)
{
_vertexBufferData = new PbrVertex[verticesCount];
}
if (_indexBufferData.Length != faceCount)
{
_indexBufferData = new SharpDX.Int3[faceCount];
}
double columnStep = (scale * stretch.X) / (columns - 1);
double rowStep = (scale * stretch.Y) / (rows - 1);
// var normal = SharpDX.Vector3.ForwardRH;
// var tangent = SharpDX.Vector3.Right;
// var binormal = SharpDX.Vector3.Up;
var normal = SharpDX.Vector3.TransformNormal(SharpDX.Vector3.ForwardLH, rotationMatrix);
var tangent = SharpDX.Vector3.TransformNormal(SharpDX.Vector3.Right, rotationMatrix);
var binormal = SharpDX.Vector3.TransformNormal(SharpDX.Vector3.Up, rotationMatrix);
// Initialize
for (int columnIndex = 0; columnIndex < columns; ++columnIndex)
{
var columnFragment = (float)(columnIndex * columnStep);
var u0 = columnIndex / ((float)columns - 1);
//var v1 = (columnIndex + 1) / (float)columns;
for (int rowIndex = 0; rowIndex < rows; ++rowIndex)
{
var rowFragment = (float)(rowIndex * rowStep);
//var rowFragment = ((float)rowIndex / rows - pivot.Y) * stretch.Y;
var vertexIndex = rowIndex + columnIndex * rows;
var faceIndex = 2 * (rowIndex + columnIndex * (rows - 1));
var p = new SharpDX.Vector3(columnFragment,
rowFragment,
0);
var v0 = (rowIndex) / ((float)rows - 1);
var uv0 = new SharpDX.Vector2(u0, v0);
_vertexBufferData[vertexIndex + 0] = new PbrVertex
{
Position = SharpDX.Vector3.TransformNormal(p + offset, rotationMatrix) + center2,
Normal = normal,
Tangent = tangent,
Bitangent = binormal,
Texcoord = uv0,
Selection = 1,
};
if (columnIndex >= columns - 1 || rowIndex >= rows - 1)
{
continue;
}
_indexBufferData[faceIndex + 0] = new SharpDX.Int3(vertexIndex, vertexIndex + rows, vertexIndex + 1);
_indexBufferData[faceIndex + 1] = new SharpDX.Int3(vertexIndex + rows, vertexIndex + rows + 1, vertexIndex + 1);
}
}
// Write Data
_vertexBufferWithViews.Buffer = _vertexBuffer;
resourceManager.SetupStructuredBuffer(_vertexBufferData, PbrVertex.Stride * verticesCount, PbrVertex.Stride, ref _vertexBuffer);
resourceManager.CreateStructuredBufferSrv(_vertexBuffer, ref _vertexBufferWithViews.Srv);
resourceManager.CreateStructuredBufferUav(_vertexBuffer, UnorderedAccessViewBufferFlags.None, ref _vertexBufferWithViews.Uav);
_indexBufferWithViews.Buffer = _indexBuffer;
const int stride = 3 * 4;
resourceManager.SetupStructuredBuffer(_indexBufferData, stride * faceCount, stride, ref _indexBuffer);
resourceManager.CreateStructuredBufferSrv(_indexBuffer, ref _indexBufferWithViews.Srv);
resourceManager.CreateStructuredBufferUav(_indexBuffer, UnorderedAccessViewBufferFlags.None, ref _indexBufferWithViews.Uav);
_data.VertexBuffer = _vertexBufferWithViews;
_data.IndicesBuffer = _indexBufferWithViews;
Data.Value = _data;
Data.DirtyFlag.Clear();
}
catch (Exception e)
{
Log.Error("Failed to create torus mesh:" + e.Message);
}
}
