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https://git.mirrors.martin98.com/https://github.com/Ultimaker/Cura
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101 lines
3.3 KiB
Python
101 lines
3.3 KiB
Python
# Copyright (c) 2015 Ultimaker B.V.
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# Cura is released under the terms of the AGPLv3 or higher.
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from UM.Scene.SceneNode import SceneNode
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from UM.Resources import Resources
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from UM.Math.Color import Color
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from UM.Math.Vector import Vector
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from UM.Mesh.MeshData import MeshData
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from UM.View.GL.OpenGL import OpenGL
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import numpy
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class ConvexHullNode(SceneNode):
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def __init__(self, node, hull, parent = None):
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super().__init__(parent)
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self.setCalculateBoundingBox(False)
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self._shader = None
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self._original_parent = parent
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self._inherit_orientation = False
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self._inherit_scale = False
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self._color = Color(35, 35, 35, 128)
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self._node = node
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self._node.transformationChanged.connect(self._onNodePositionChanged)
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self._node.parentChanged.connect(self._onNodeParentChanged)
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self._node.decoratorsChanged.connect(self._onNodeDecoratorsChanged)
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self._onNodeDecoratorsChanged(self._node)
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self._convex_hull_head_mesh = None
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self._hull = hull
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hull_points = self._hull.getPoints()
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hull_mesh = self.createHullMesh(self._hull.getPoints())
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if hull_mesh:
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self.setMeshData(hull_mesh)
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convex_hull_head = self._node.callDecoration("getConvexHullHead")
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if convex_hull_head:
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self._convex_hull_head_mesh = self.createHullMesh(convex_hull_head.getPoints())
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def createHullMesh(self, hull_points):
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mesh = MeshData()
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if len(hull_points) > 3:
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center = (hull_points.min(0) + hull_points.max(0)) / 2.0
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mesh.addVertex(center[0], 0.1, center[1])
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else:
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return None
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for point in hull_points:
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mesh.addVertex(point[0], 0.1, point[1])
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indices = []
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for i in range(len(hull_points) - 1):
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indices.append([0, i + 1, i + 2])
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indices.append([0, mesh.getVertexCount() - 1, 1])
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mesh.addIndices(numpy.array(indices, numpy.int32))
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return mesh
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def getWatchedNode(self):
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return self._node
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def render(self, renderer):
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if not self._shader:
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self._shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "default.shader"))
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self._shader.setUniformValue("u_color", self._color)
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if self.getParent():
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renderer.queueNode(self, transparent = True, shader = self._shader)
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if self._convex_hull_head_mesh:
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renderer.queueNode(self, shader = self._shader, transparent = True, mesh = self._convex_hull_head_mesh)
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return True
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def _onNodePositionChanged(self, node):
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if node.callDecoration("getConvexHull"):
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node.callDecoration("setConvexHull", None)
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node.callDecoration("setConvexHullNode", None)
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self.setParent(None)
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def _onNodeParentChanged(self, node):
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if node.getParent():
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self.setParent(self._original_parent)
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else:
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self.setParent(None)
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def _onNodeDecoratorsChanged(self, node):
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self._color = Color(35, 35, 35, 0.5)
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if not node:
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return
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if node.hasDecoration("getProfile"):
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self._color.setR(0.75)
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if node.hasDecoration("getSetting"):
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self._color.setG(0.75)
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