private void SetInitalLayer()
{
activeLayerIndex = 0;
if (LoadedGCode.LineCount > 0)
{
int firstExtrusionIndex = 0;
Vector3 lastPosition = LoadedGCode.Instruction(0).Position;
double ePosition = LoadedGCode.Instruction(0).EPosition;
// let's find the first layer that has extrusion if possible and go to that
for (int i = 1; i < LoadedGCode.LineCount; i++)
{
PrinterMachineInstruction currentInstruction = LoadedGCode.Instruction(i);
if (currentInstruction.EPosition > ePosition && lastPosition != currentInstruction.Position)
{
firstExtrusionIndex = i;
break;
}
lastPosition = currentInstruction.Position;
}
if (firstExtrusionIndex > 0)
{
for (int layerIndex = 0; layerIndex < LoadedGCode.NumChangesInZ; layerIndex++)
{
if (firstExtrusionIndex < LoadedGCode.GetInstructionIndexAtLayer(layerIndex))
{
activeLayerIndex = Math.Max(0, layerIndex - 1);
break;
}
}
}
}
}
public void CenterPartInView()
{
RectangleDouble partBounds = LoadedGCode.GetBounds();
Vector2 weightedCenter = LoadedGCode.GetWeightedCenter();
unscaledRenderOffset = -weightedCenter;
layerScale = Math.Min(Height / partBounds.Height, Width / partBounds.Width);
Invalidate();
}
