private void Move(NotuiElement element, BehaviorState state, Matrix4x4 usedplane)
{
var disptr = element.DisplayTransformation;
if (Draggable)
{
var worldvel = Vector4.Transform(new Vector4(state.DeltaPos * DraggingCoeffitient * 0.5f, 0, 0), usedplane).xyz();
if (element.Parent != null)
{
Matrix4x4.Invert(element.Parent.DisplayMatrix, out var invparenttr);
worldvel = Vector4.Transform(new Vector4(worldvel, 0), invparenttr).xyz();
}
disptr.Translate(worldvel);
if (LimitTranslation)
{
disptr.Position = Intersections.BoxPointLimit(BoundingBoxMin, BoundingBoxMax, disptr.Position);
}
}
if (Scalable)
{
var sclvel = state.DeltaSize * ScalingCoeffitient * 0.5f;
disptr.Scale = Vector3.Max(
new Vector3(ScaleMinMax.X),
Vector3.Min(
new Vector3(ScaleMinMax.Y),
disptr.Scale * new Vector3(1 + sclvel)
)
);
}
if (Pivotable)
{
// see if rotation is still inside boundaries
var targetrot = state.TotalAngle + state.DeltaAngle * RotationCoeffitient * 0.5f * (1 / disptr.Scale.Length());
if (!LimitRotation || RotationMinMax.X <= targetrot && targetrot <= RotationMinMax.Y)
{
state.TotalAngle = targetrot;
var worldaxis = Vector3.TransformNormal(Vector3.UnitZ, usedplane);
if (element.Parent != null)
{
Matrix4x4.Invert(element.Parent.DisplayMatrix, out var invparenttr);
worldaxis = Vector3.TransformNormal(worldaxis, invparenttr);
}
var worldrot = Quaternion.CreateFromAxisAngle(worldaxis, state.DeltaAngle * RotationCoeffitient);
disptr.LocalRotate(worldrot);
}
}
state.Mainloop(element.Context.DeltaTime);
}
