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motiontrail: Set start_color and end_color in add_vertex()

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rdb 2022-12-15 20:23:55 +01:00
parent 5912630e01
commit cce46b5edb
1 changed files with 4 additions and 1 deletions
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5
direct/src/motiontrail/MotionTrail.py
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@ -246,7 +246,8 @@ class MotionTrail(NodePath, DirectObject):
return Task.cont
def add_vertex(self, vertex_id, vertex_function=None, context=None):
def add_vertex(self, vertex_id, vertex_function=None, context=None, *,
start_color=(1.0, 1.0, 1.0, 1.0), end_color=(0.0, 0.0, 0.0, 1.0)):
"""This must be called repeatedly to define the polygon that forms the
cross-section of the generated motion trail geometry. The first
argument is a user-defined vertex identifier, the second is a function
@ -266,6 +267,8 @@ class MotionTrail(NodePath, DirectObject):
motion_trail_vertex.vertex = Vec4(vertex_id)
else:
motion_trail_vertex = MotionTrailVertex(vertex_id, vertex_function, context)
motion_trail_vertex.start_color = Vec4(start_color)
motion_trail_vertex.end_color = Vec4(end_color)
total_vertices = len(self.vertex_list)
self.vertex_list[total_vertices : total_vertices] = [motion_trail_vertex]