private static void CreateCells(Parachute p)
{
// Layout n number of cells from left to right around the top section of an ellipse
// Todo: current algorithm does not preserve planform area as it warps the wing around the ellipse
// Todo: GUI planform area should report post-warp area, including tapering and such
var config = p.Config;
var centroid = ParachuteMaths.GetCanopyCentroid(config);
// Todo: model induced drag based on aspect ratio and shape tapering
float aspectRatio = ParachuteMaths.GetAspectRatio(p.Config);
for (int i = 0; i < config.NumCells; i++)
{
float areaMultiplier = 1f;//config.PlanformAreaEllipse.Evaluate(i/(float) (config.NumCells - 1));
var cell = CreateCell(p, areaMultiplier, aspectRatio);
var t = ParachuteMaths.GetCellTransform(config, centroid, i);
LayoutCell(cell, t);
cell.name = "Cell_" + i;
p.Sections.Add(new Section()
{
Cell = cell
});
}
}
private Vector3 GetOrbitCenter()
{
// Bug: watch out for Gizmos-related feedback loops
Vector3 centroid = _target.Root.TransformPoint(ParachuteMaths.GetCanopyCentroid(_target.Config));
centroid = Vector3.Lerp(centroid, _target.Root.position, 0.33f);
return(centroid);
}
/// <summary>
/// Takes an existing parachute system and resets it to factory state
/// </summary>
/// <param name="p"></param>
public static void LayoutCells(Parachute p)
{
var config = p.Config;
var centroid = ParachuteMaths.GetCanopyCentroid(config);
for (int i = 0; i < config.NumCells; i++)
{
var cell = p.Sections[i].Cell;
var t = ParachuteMaths.GetCellTransform(config, centroid, i);
LayoutCell(cell, t);
}
}
public static Parachute Create(ParachuteConfig config, ImmutableTransform transform, string name)
{
ParachuteMaths.ValidateConfig(config);
Parachute p = CreateNewInstance(config, transform, name);
// Todo: Differentiate between game use and editor use
CreateCells(p);
CreateInterCellJoints(p);
CreateRiggingLines(p);
CreateControlGroups(p);
p.CalculateCanopyBounds();
AddSounds(p);
return(p);
}
private void UpdateEditorState <TMeasureSystem>(
ParachuteConfig config,
ParachuteProperties <TMeasureSystem> props)
where TMeasureSystem : MeasureSystem
{
var editorOrigin = transform.MakeImmutable();
var canopyCentroidWorld = editorOrigin.TranslateLocally(ParachuteMaths.GetCanopyCentroid(config));
_heightOffsetWidget.transform.Set(editorOrigin.TranslateLocally(y: 1f));
_heightOffsetText.transform.Set(editorOrigin.TranslateLocally(y: config.HeightOffset + 1f, z: -0.5f));
_heightOffsetText.Text.Clear();
props.HeightOffset.FormatTo(_heightOffsetText.Text, precision: 2);
_riggingAngleGizmo.transform.Set(canopyCentroidWorld);
_cellColorPicker.CurrentColor = config.Color;
_summaryText.Text.Clear();
_summaryText.Text
.Append("Difficulty level: ")
.Append(ParachuteMaths.GetDifficulty(config).Stringify())
.Append("\n")
.Append(config.NumCells)
.Append(" cells (")
.Append(config.NumToggleControlledCells)
.Append(" braked), ");
props.CanopyMass.FormatTo(_summaryText.Text, precision: 1);
_summaryText.Text.Append("\n");
props.Span.FormatTo(_summaryText.Text, precision: 1);
_summaryText.Text.Append(" × ");
props.Chord.FormatTo(_summaryText.Text, precision: 1);
_summaryText.Text.Append(" = ");
props.Area.FormatTo(_summaryText.Text, precision: 0);
_summaryText.transform.Set(canopyCentroidWorld.TranslateLocally(new Vector3(-3f, 2.5f, 0f)));
// TODO Use mutable strings
_riggingAngle.transform.Set(canopyCentroidWorld);
_riggingAngle.Text.Clear();
props.RiggingAngle.FormatTo(_riggingAngle.Text, precision: 0);
// _rigAttachPositionText.text = string.Format("{0:0.##}, {1:0.##}, {2:0.##}",
// props.RigAttachPosition.Value.x,
// props.RigAttachPosition.Value.y,
// props.RigAttachPosition.Value.z);
// _rigAttachPositionText.transform.Set(rigAttachPositionTransform);
var pilotWeightTransform = editorOrigin.TranslateLocally(y: -0.8f);
_pilotWeight.transform.Set(pilotWeightTransform.TranslateLocally(y: -0.4f));
_pilotWeightGizmo.transform.Set(pilotWeightTransform);
_pilotWeight.Text.Clear();
props.PilotWeight.FormatTo(_pilotWeight.Text, precision: 0);
_pilotWeight.Text.Append(" (");
props.WingLoading.FormatTo(_pilotWeight.Text, precision: 2);
_pilotWeight.Text.Append(")");
var pilotWeightShiftTransform = editorOrigin;
_weightShiftMagnitudeGizmo.transform.Set(pilotWeightShiftTransform);
_pilotWeightShiftMagnitude.transform.Set(pilotWeightShiftTransform.TranslateLocally(x: -1.1f));
_weightShiftVisualizer.transform.position = pilotWeightShiftTransform.Position;
_weightShiftVisualizer.Radius = config.WeightshiftMagnitude;
_pilotWeightShiftMagnitude.Text.Clear();
props.WeightShiftMagnitude.FormatTo(_pilotWeightShiftMagnitude.Text, precision: 2);
_radiusGizmo.UpdateState();
_heightOffsetWidget.UpdateState();
_rigAttachPosition.UpdateState();
_pilotWeightGizmo.UpdateState();
_weightShiftMagnitudeGizmo.UpdateState();
}