protected override void OnSceneGUI()
{
base.OnSceneGUI();
serializedObject.Update();
var rotation = endPoint.FindPropertyRelative("rotation");
if (Tools.current == Tool.Move)
{
EditorGUI.BeginChangeCheck();
Vector3 newTargetPosition = Handles.PositionHandle(LineData.GetPoint(1), Quaternion.identity);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(LineData, "Change Parabola Point Position");
LineData.SetPoint(1, newTargetPosition);
}
}
else if (Tools.current == Tool.Rotate)
{
EditorGUI.BeginChangeCheck();
Quaternion newTargetRotation = Handles.RotationHandle(rotation.quaternionValue, LineData.GetPoint(1));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(LineData, "Change Parabola Point Rotation");
rotation.quaternionValue = newTargetRotation;
}
}
serializedObject.ApplyModifiedProperties();
}
protected override void OnSceneGUI()
{
base.OnSceneGUI();
// We skip the first point as it should always remain at the GameObject's local origin (Pose.ZeroIdentity)
for (int i = 1; i < controlPoints?.arraySize; i++)
{
bool isTangentHandle = i % 3 != 0;
serializedObject.Update();
bool isLastPoint = i == controlPoints.arraySize - 1;
var controlPointPosition = LineData.GetPoint(i);
var controlPointProperty = controlPoints.GetArrayElementAtIndex(i);
var controlPointRotation = controlPointProperty.FindPropertyRelative("rotation");
// Draw our tangent lines
Handles.color = Color.gray;
if (i == 1)
{
Handles.DrawLine(LineData.GetPoint(0), LineData.GetPoint(1));
}
else if (!isTangentHandle)
{
Handles.DrawLine(LineData.GetPoint(i), LineData.GetPoint(i - 1));
if (!isLastPoint)
{
Handles.DrawLine(LineData.GetPoint(i), LineData.GetPoint(i + 1));
}
}
Handles.color = isTangentHandle ? Color.white : Color.green;
float handleSize = HandleUtility.GetHandleSize(controlPointPosition);
if (Handles.Button(controlPointPosition, controlPointRotation.quaternionValue, handleSize * HandleSizeModifier, handleSize * PickSizeModifier, Handles.DotHandleCap))
{
selectedHandleIndex = i;
}
// Draw our handles
if (Tools.current == Tool.Move && selectedHandleIndex == i)
{
EditorGUI.BeginChangeCheck();
var newTargetPosition = Handles.PositionHandle(controlPointPosition, controlPointRotation.quaternionValue);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(LineData, "Change Spline Point Position");
LineData.SetPoint(i, newTargetPosition);
}
if (isLastPoint)
{
DrawSceneControlOptionButtons(controlPointPosition);
}
}
else if (Tools.current == Tool.Rotate && selectedHandleIndex == i)
{
EditorGUI.BeginChangeCheck();
Quaternion newTargetRotation = Handles.RotationHandle(controlPointRotation.quaternionValue, controlPointPosition);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(LineData, "Change Spline Point Rotation");
controlPointRotation.quaternionValue = newTargetRotation;
}
}
serializedObject.ApplyModifiedProperties();
}
// Check for overlapping points
OverlappingPointIndexes.Clear();
for (int i = 0; i < splineData.ControlPoints.Length; i++)
{
for (int j = 0; j < splineData.ControlPoints.Length; j++)
{
if (i == j)
{
continue;
}
if (Vector3.Distance(splineData.ControlPoints[i].Position, splineData.ControlPoints[j].Position) < OverlappingPointThreshold)
{
if (i != 0)
{
OverlappingPointIndexes.Add(i);
}
if (j != 0)
{
OverlappingPointIndexes.Add(j);
}
break;
}
}
}
}