diff options
author | Jaime van Kessel <nallath@gmail.com> | 2016-04-08 15:26:28 +0300 |
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committer | Jaime van Kessel <nallath@gmail.com> | 2016-04-08 15:26:28 +0300 |
commit | 97d16ae3bd8efc6946a831e697f621055587d3ef (patch) | |
tree | a0a04cc772ea02b29d766a810192ded24518a350 /cura/ConvexHullNode.py | |
parent | 4c233e75f49ca590640cba171cd18c1e25538c5f (diff) |
Update documentation & code cleanup
Diffstat (limited to 'cura/ConvexHullNode.py')
-rw-r--r-- | cura/ConvexHullNode.py | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/cura/ConvexHullNode.py b/cura/ConvexHullNode.py index 529b27f7c0..46c64b7590 100644 --- a/cura/ConvexHullNode.py +++ b/cura/ConvexHullNode.py @@ -5,11 +5,15 @@ 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.MeshBuilder import MeshBuilder #To create a mesh to display the convex hull with. +from UM.Mesh.MeshBuilder import MeshBuilder # To create a mesh to display the convex hull with. from UM.View.GL.OpenGL import OpenGL + class ConvexHullNode(SceneNode): + ## Convex hull node is a special type of scene node that is used to display a 2D area, to indicate the + # location an object uses on the buildplate. This area (or area's in case of one at a time printing) is + # then displayed as a transparent shadow. def __init__(self, node, hull, parent = None): super().__init__(parent) @@ -22,18 +26,22 @@ class ConvexHullNode(SceneNode): self._inherit_orientation = False self._inherit_scale = False + # Color of the drawn convex hull self._color = Color(35, 35, 35, 128) - self._mesh_height = 0.1 #The y-coordinate of the convex hull mesh. Must not be 0, to prevent z-fighting. + # The y-coordinate of the convex hull mesh. Must not be 0, to prevent z-fighting. + self._mesh_height = 0.1 + + # The node this mesh is "watching" self._node = node self._node.transformationChanged.connect(self._onNodePositionChanged) self._node.parentChanged.connect(self._onNodeParentChanged) self._node.decoratorsChanged.connect(self._onNodeDecoratorsChanged) self._onNodeDecoratorsChanged(self._node) + self._convex_hull_head_mesh = None self._hull = hull - hull_points = self._hull.getPoints() # TODO: @UnusedVariable hull_mesh = self.createHullMesh(self._hull.getPoints()) if hull_mesh: self.setMeshData(hull_mesh) @@ -41,18 +49,21 @@ class ConvexHullNode(SceneNode): if convex_hull_head: self._convex_hull_head_mesh = self.createHullMesh(convex_hull_head.getPoints()) + ## Actually create the mesh from the hullpoints + # /param hull_points list of xy values + # /return meshData def createHullMesh(self, hull_points): - #Input checking. + # Input checking. if len(hull_points) < 3: return None mesh_builder = MeshBuilder() point_first = Vector(hull_points[0][0], self._mesh_height, hull_points[0][1]) point_previous = Vector(hull_points[1][0], self._mesh_height, hull_points[1][1]) - for point in hull_points[2:]: #Add the faces in the order of a triangle fan. + for point in hull_points[2:]: # Add the faces in the order of a triangle fan. point_new = Vector(point[0], self._mesh_height, point[1]) mesh_builder.addFace(point_first, point_previous, point_new, color = self._color) - point_previous = point_new #Prepare point_previous for the next triangle. + point_previous = point_new # Prepare point_previous for the next triangle. return mesh_builder.getData() @@ -75,7 +86,7 @@ class ConvexHullNode(SceneNode): if node.callDecoration("getConvexHull"): node.callDecoration("setConvexHull", None) node.callDecoration("setConvexHullNode", None) - self.setParent(None) + self.setParent(None) # Garbage collection should delete this node after a while. def _onNodeParentChanged(self, node): if node.getParent(): |