Start PlanarMechanics module

src/Mechanical/Mechanical.jl

@@ -10,5 +10,6 @@ include("Translational/Translational.jl")
 include("TranslationalPosition/TranslationalPosition.jl")
 include("TranslationalModelica/TranslationalModelica.jl")
 include("MultiBody2D/MultiBody2D.jl")
+include("PlanarMechanics/PlanarMechanics.jl")
 
 end

src/Mechanical/PlanarMechanics/PlanarMechanics.jl

@@ -0,0 +1,27 @@
+"""
+Library to model planar mechanical multi-body systems inspired by https://github.com/dzimmer/PlanarMechanics
+"""
+
+module PlanarMechanics
+
+import ModelingToolkitStandardLibrary.Mechanical.Rotational
+import ModelingToolkitStandardLibrary.Mechanical.TranslationalModelica
+using ModelingToolkit: t_nounits as t, D_nounits as D
+using ModelingToolkit, Symbolics, IfElse
+using ...Blocks: RealInput, RealOutput
+import ...@symcheck
+
+export Frame, FrameResolve, PartialTwoFrames, ZeroPosition
+include("utils.jl")
+
+export Fixed, Body, FixedTranslation, Spring, Damper, SpringDamper
+include("components.jl")
+
+export Revolute, Prismatic
+include("joints.jl")
+
+export AbsolutePosition,
+       RelativePosition, AbsoluteVelocity, RelativeVelocity, AbsoluteAcceleration,
+       RelativeAcceleration, connect_sensor
+include("sensors.jl")
+end