/// <summary>
/// Determine whether this node is dependent on another node. Used to prevent loops while editing a diagram.
/// </summary>
/// <returns>Whether the dependency exists.</returns>
/// <param name="otherNode">Another node.</param>
public bool IsDependentOn(DiagramNode otherNode)
{
if (this == otherNode)
{
return(true);
}
foreach (DiagramNode node in argumentNodes)
{
if (node.IsDependentOn(otherNode))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Fill multiple rows of pixels. Filling will stop after the last row.
/// </summary>
/// <returns>
/// Index of the next row that should be filled. When finished, this will be larger than or equal to height.
/// </returns>
/// <param name='pixels'>
/// Color array representing a grid of Pixels. Its length must be at least width * height.
/// </param>
/// <param name='outputIndex'>
/// Index of the output to use.
/// </param>
/// <param name='width'>
/// Width.
/// </param>
/// <param name='height'>
/// Height.
/// </param>
/// <param name='rowIndex'>
/// Row index to start from.
/// </param>
/// <param name='rowCount'>
/// Amount of rows to fill.
/// </param>
public int FillRows(Color[] pixels, int outputIndex, int width, int height, int rowIndex, int rowCount)
{
Prepare();
if (outputs.Length == 0)
{
return(height);
}
if (outputIndex < 0 || outputIndex >= outputs.Length)
{
outputIndex = 0;
}
DiagramNode output = outputs[outputIndex].node;
derivativeDelta = derivativeScale / (width > height ? width : height);
float uDelta = 1f / width, vDelta = 1f / height;
Vector2 oldUV = uv;
int
oldX = pixelX,
oldY = pixelY;
int i = currentPixelIndex = rowIndex * width;
for (int maxY = Mathf.Min(height, rowIndex + rowCount); rowIndex < maxY; rowIndex++)
{
pixelY = rowIndex;
uv.y = (rowIndex + 0.5f) * vDelta;
for (int x = 0; x < width; x++)
{
pixelX = x;
uv.x = (x + 0.5f) * uDelta;
pixels[i] = output.ComputeColor();
currentPixelIndex = ++i;
}
}
uv = oldUV;
pixelX = oldX;
pixelY = oldY;
return(rowIndex);
}
internal virtual void ComputeCustom(DiagramNode node)
{
}