49 lines
1.0 KiB
Python
49 lines
1.0 KiB
Python
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import pyglet
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from pyglet.gl import GLuint, glGenVertexArrays, glDeleteVertexArrays, glBindVertexArray
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__all__ = ['VertexArray']
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class VertexArray:
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"""OpenGL Vertex Array Object"""
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def __init__(self):
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"""Create an instance of a Vertex Array object."""
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self._context = pyglet.gl.current_context
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self._id = GLuint()
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glGenVertexArrays(1, self._id)
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@property
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def id(self):
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return self._id.value
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def bind(self):
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glBindVertexArray(self._id)
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@staticmethod
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def unbind():
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glBindVertexArray(0)
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def delete(self):
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try:
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glDeleteVertexArrays(1, self._id)
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except Exception:
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pass
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__enter__ = bind
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def __exit__(self, *_):
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glBindVertexArray(0)
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def __del__(self):
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try:
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self._context.delete_vao(self.id)
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# Python interpreter is shutting down:
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except ImportError:
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pass
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def __repr__(self):
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return "{}(id={})".format(self.__class__.__name__, self._id.value)
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