private void ChangeSubHandlePositon(FlightPathCurveSODrawer curveDrawer, FlightPathCurveNode node)
{
EditorGUI.BeginChangeCheck();
Handles.DrawLine(node.NodePosiion + curveDrawer.transform.position, node.GetPrevHandlePos() + curveDrawer.transform.position);
Vector3 newPrevHandlePositionReleative =
Handles.FreeMoveHandle(
node.GetPrevHandlePos() + curveDrawer.transform.position,
Quaternion.identity,
HandleUtility.GetHandleSize(node.NodePosiion + curveDrawer.transform.position) / 10f,
Vector3.zero,
Handles.CircleHandleCap);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(curveDrawer.CurveSO, "Change Sub Handle Position");
node.SubHandlePositionReleative = newPrevHandlePositionReleative - node.NodePosiion - curveDrawer.transform.position;
if (node.HandlesMode == FlightCurveNodeHandlesMode.Similiar)
{
node.MainHandlePositionReleative = -node.SubHandlePositionReleative;
}
else if (node.HandlesMode == FlightCurveNodeHandlesMode.CoDirected)
{
node.MainHandlePositionReleative = -node.SubHandlePositionReleative.normalized * node.MainHandlePositionReleative.magnitude;
}
EditorUtility.SetDirty(curveDrawer);
}
}
private void OnSceneGUI()
{
FlightPathCurveSODrawer curveDrawer = target as FlightPathCurveSODrawer;
if (curveDrawer.CurveSO == null)
{
return;
}
Handles.color = Color.gray;
for (int i = 0; i < curveDrawer.CurveSO.CurveNodes.Count; i++)
{
FlightPathCurveNode node = curveDrawer.CurveSO.CurveNodes[i];
ChangeNodePosition(curveDrawer, node);
if (node.HandlesMode != FlightCurveNodeHandlesMode.None)
{
ChangeMainHandlePosition(curveDrawer, node);
ChangeSubHandlePositon(curveDrawer, node);
}
Handles.Label(node.NodePosiion + curveDrawer.transform.position, i.ToString());
}
}
public static Vector3 NodeLerpPostion(FlightPathCurveNode startNode, FlightPathCurveNode endNode, float t)
{
return(CubicLerp(
startNode.NodePosiion,
startNode.GetMainHandlePos(),
endNode.GetPrevHandlePos(),
endNode.NodePosiion,
t));
}
public static Quaternion NodeLerpRotation(FlightPathCurveNode startNode, FlightPathCurveNode endNode, Vector3 pointDirection, float t)
{
return((startNode.TransitionMode == FlightCurvePointerNodeTransitionMode.Aligned) ?
Quaternion.LookRotation(
Vector3.forward,
Quaternion.Euler(Vector3.forward * 90f) * pointDirection) :
Quaternion.Lerp(
startNode.GetMainRotation(),
endNode.GetMainRotation(),
t));
}
public static float PathLength(FlightPathCurveNode startNode, FlightPathCurveNode endNode, int iterations = 10)
{
float length = 0f;
Vector3 prevPoint = startNode.NodePosiion;
Vector3 currPoint;
for (int i = 1; i <= iterations; i++)
{
currPoint = NodeLerpPostion(startNode, endNode, (float)i / (float)iterations);
length += Vector3.Distance(prevPoint, currPoint);
prevPoint = currPoint;
}
return(length);
}
private void ChangeNodePosition(FlightPathCurveSODrawer curveDrawer, FlightPathCurveNode node)
{
EditorGUI.BeginChangeCheck();
Vector3 newNodePosition =
Handles.FreeMoveHandle(
node.NodePosiion + curveDrawer.transform.position,
Quaternion.identity,
HandleUtility.GetHandleSize(node.NodePosiion + curveDrawer.transform.position) / 7f,
Vector3.zero,
Handles.RectangleHandleCap);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(curveDrawer.CurveSO, "Change Node Position");
node.NodePosiion = newNodePosition - curveDrawer.transform.position;
EditorUtility.SetDirty(curveDrawer);
}
}