/// <inheritdoc/>
protected internal override void Draw()
{
HandleDrawing.Layer = 1;
HandleDrawing.Transform = Matrix4.TRS(Position, Rotation, Vector3.One);
float handleSize = Handles.GetHandleSize(EditorApplication.SceneViewCamera, position);
// Draw arcs
if (xAxis.State == HandleSlider.StateType.Active)
{
HandleDrawing.Color = Color.White;
}
else if (xAxis.State == HandleSlider.StateType.Hover)
{
HandleDrawing.Color = Color.BansheeOrange;
}
else
{
HandleDrawing.Color = Color.Red;
}
HandleDrawing.DrawWireArc(Vector3.Zero, Vector3.XAxis, 1.0f, GetXStartAngle(false), new Degree(180.0f), handleSize);
if (yAxis.State == HandleSlider.StateType.Active)
{
HandleDrawing.Color = Color.White;
}
else if (yAxis.State == HandleSlider.StateType.Hover)
{
HandleDrawing.Color = Color.BansheeOrange;
}
else
{
HandleDrawing.Color = Color.Green;
}
HandleDrawing.DrawWireArc(Vector3.Zero, Vector3.YAxis, 1.0f, GetYStartAngle(false), new Degree(180.0f), handleSize);
if (zAxis.State == HandleSlider.StateType.Active)
{
HandleDrawing.Color = Color.White;
}
else if (zAxis.State == HandleSlider.StateType.Hover)
{
HandleDrawing.Color = Color.BansheeOrange;
}
else
{
HandleDrawing.Color = Color.Blue;
}
HandleDrawing.DrawWireArc(Vector3.Zero, Vector3.ZAxis, 1.0f, GetZStartAngle(false), new Degree(180.0f), handleSize);
// Draw "bounds" and free handle
Color gray = new Color(1.0f, 1.0f, 1.0f, 0.3f);
Vector3 cameraNormal = EditorApplication.SceneViewCamera.SceneObject.Rotation.Rotate(Vector3.ZAxis);
HandleDrawing.Transform = Matrix4.TRS(Position, Quaternion.Identity, Vector3.One);
HandleDrawing.Color = gray;
HandleDrawing.DrawWireDisc(cameraNormal * 0.1f, cameraNormal, 1.0f, handleSize);
if (freeAxis.State == HandleSlider.StateType.Active)
{
HandleDrawing.Color = Color.White;
}
else if (freeAxis.State == HandleSlider.StateType.Hover)
{
HandleDrawing.Color = Color.BansheeOrange;
}
else
{
HandleDrawing.Color = gray;
}
HandleDrawing.DrawWireDisc(Vector3.Zero, cameraNormal, 1.2f, handleSize);
// Draw active rotation pie
HandleDrawing.Color = gray;
HandleDrawing.Transform = Matrix4.TRS(Position, EditorApplication.SceneViewCamera.SceneObject.Rotation, Vector3.One);
if (freeAxis.State == HandleSlider.StateType.Active)
{
HandleDrawing.DrawArc(Vector3.Zero, -Vector3.ZAxis, 1.2f, freeAxis.StartAngle, -freeAxis.Delta, handleSize);
}
HandleDrawing.Transform = Matrix4.TRS(Position, dragStartRotation, Vector3.One);
if (xAxis.State == HandleSlider.StateType.Active)
{
HandleDrawing.DrawArc(Vector3.Zero, Vector3.XAxis, 1.0f, xAxis.StartAngle, -xAxis.Delta, handleSize);
}
else if (yAxis.State == HandleSlider.StateType.Active)
{
HandleDrawing.DrawArc(Vector3.Zero, Vector3.YAxis, 1.0f, yAxis.StartAngle, -yAxis.Delta, handleSize);
}
else if (zAxis.State == HandleSlider.StateType.Active)
{
HandleDrawing.DrawArc(Vector3.Zero, Vector3.ZAxis, 1.0f, zAxis.StartAngle, -zAxis.Delta, handleSize);
}
}
