Move all Cura files into a src/ directory

src/ConvexHullNode.py

@@ -0,0 +1,72 @@
+from UM.Scene.SceneNode import SceneNode
+from UM.Resources import Resources
+from UM.Math.Color import Color
+from UM.Math.Vector import Vector
+from UM.Mesh.MeshData import MeshData
+
+import numpy
+
+class ConvexHullNode(SceneNode):
+    def __init__(self, node, hull, parent = None):
+        super().__init__(parent)
+
+        self.setCalculateBoundingBox(False)
+
+        self._material = None
+
+        self._original_parent = parent
+
+        self._inherit_orientation = False
+        self._inherit_scale = False
+
+        self._node = node
+        self._node.transformationChanged.connect(self._onNodePositionChanged)
+        self._node.parentChanged.connect(self._onNodeParentChanged)
+        #self._onNodePositionChanged(self._node)
+
+        self._hull = hull
+
+        hull_points = self._hull.getPoints()
+        center = (hull_points.min(0) + hull_points.max(0)) / 2.0
+
+        mesh = MeshData()
+        mesh.addVertex(center[0], 0.1, center[1])
+
+        for point in hull_points:
+            mesh.addVertex(point[0], 0.1, point[1])
+
+        indices = []
+        for i in range(len(hull_points) - 1):
+            indices.append([0, i + 1, i + 2])
+
+        indices.append([0, mesh.getVertexCount() - 1, 1])
+
+        mesh.addIndices(numpy.array(indices, numpy.int32))
+
+        self.setMeshData(mesh)
+
+    def render(self, renderer):
+        if not self._material:
+            self._material = renderer.createMaterial(Resources.getPath(Resources.ShadersLocation, 'basic.vert'), Resources.getPath(Resources.ShadersLocation, 'color.frag'))
+
+            self._material.setUniformValue('u_color', Color(35, 35, 35, 128))
+
+        renderer.queueNode(self, material = self._material, transparent = True)
+
+        return True
+
+    def _onNodePositionChanged(self, node):
+        #self.setPosition(node.getWorldPosition())
+        if hasattr(node, "_convex_hull"):
+            delattr(node, "_convex_hull")
+            self.setParent(None)
+
+
+        #self._node.transformationChanged.disconnect(self._onNodePositionChanged)
+        #self._node.parentChanged.disconnect(self._onNodeParentChanged)
+
+    def _onNodeParentChanged(self, node):
+        if node.getParent():
+            self.setParent(self._original_parent)
+        else:
+            self.setParent(None)