Added crossbar to rocker chair

svggen/builders/RockerChairBuilder.py

@@ -5,13 +5,20 @@ c = Component()
 c.addSubcomponent("seat","ChairSeat", inherit=True, prefix=None)
 c.addSubcomponent("legl","RockerLeg", inherit=True, prefix=None)
 c.addSubcomponent("legr","RockerLeg", inherit=True, prefix=None)
+c.addSubcomponent("crossbar","Rectangle")
 
 c.delParameter("flip")
 
 c.addConstConstraint(("legl","flip"), 1)
 c.addConstConstraint(("legr","flip"), 0)
 
+c.addConstraint(("crossbar","l"), "width")
+c.addConstraint(("crossbar","w"), ("height", "rocker"), "2 * x[0] * np.sin(np.deg2rad(x[1]))")
+
 c.addConnection(("seat","left"),("legl","topedge"), angle=0)
 c.addConnection(("seat","right"),("legr","topedge"), angle=0)
 
+c.addConnection(("crossbar","l"),("legl","crossbarflip"), angle=90)
+c.addConnection(("crossbar","r"),("legr","crossbar"), angle=90)
+
 c.toYaml("library/RockerChair.yaml")

svggen/builders/RockerLegBuilder.py

@@ -46,5 +46,7 @@ for i in range(n):
 
 
 c.inheritInterface("topedge", ("beam3", "r"))
+c.inheritInterface("crossbar", ("beam5", "l"))
+c.inheritInterface("crossbarflip", ("beam1", "l"))
 
 c.toYaml("library/RockerLeg.yaml")

svggen/library/RockerChair.yaml

@@ -7,6 +7,14 @@ connections:
   - [seat, right]
   - [legr, topedge]
   - {angle: 0}
+  connection2:
+  - [crossbar, l]
+  - [legl, crossbarflip]
+  - {angle: 90}
+  connection3:
+  - [crossbar, r]
+  - [legr, crossbar]
+  - {angle: 90}
 interfaces: {}
 metadata:
   backheight: {default: 40, paramtype: length}
@@ -20,6 +28,14 @@ metadata:
 parameters: {backheight: 40, depth: 50, gapheight: 20, height: 40, recline: 110, rocker: 10,
   thickness: 10, width: 70}
 subcomponents:
+  crossbar:
+    classname: Rectangle
+    kwargs: {}
+    parameters:
+      l: {parameter: width}
+      w:
+        function: 2 * x[0] * np.sin(np.deg2rad(x[1]))
+        parameter: [height, rocker]
   legl:
     classname: RockerLeg
     kwargs: {}

svggen/library/RockerLeg.yaml

@@ -48,6 +48,8 @@ connections:
   - [kite3, t]
   - {angle: 0}
 interfaces:
+  crossbar: {interface: l, subcomponent: beam5}
+  crossbarflip: {interface: l, subcomponent: beam1}
   topedge: {interface: r, subcomponent: beam3}
 metadata:
   depth: {default: 50, paramtype: length}