/// <summary>
/// Generates a preview texture
/// </summary>
private Texture2D Generate(int size)
{
Texture2D texture = new Texture2D(size, size, TextureFormat.ARGB32, false);
Color[] colors = new Color[size * size];
// get module from the node
ModuleBase module = null;
switch (type)
{
case WINDOWTYPE.GENERATOR:
module = generatorNode.GetModule();
node.title = generatorNode.type.ToString();
break;
case WINDOWTYPE.OPERATOR:
module = operatorNode.GetModule();
node.title = operatorNode.type.ToString();
break;
case WINDOWTYPE.OUTPUT:
module = outputNode.GetModule();
break;
case WINDOWTYPE.MACRO:
module = macroNode.GetModule();
break;
}
// check that node is not null
if (module != null)
{
minValue = Mathf.Infinity;
maxValue = Mathf.NegativeInfinity;
for (int y = 0; y < size; y++)
{
for (int x = 0; x < size; x++)
{
float value = module.GetValue(Surface.SperifyPoint(new Vector3(-1f + (x / (float)size) * zoom + tx, (y / (float)size) * zoom - 1f + ty, 1f)));
if (value < minValue)
{
minValue = value;
}
if (value > maxValue)
{
maxValue = value;
}
value = (value + 1f) / 2f;
colors[y * size + x] = new Color(value, value, value);
}
}
texture.SetPixels(colors);
texture.Apply();
}
return(texture);
}