2ce8b01c59
This simplifies python code.
When we call a method like shader.uniform_float("color", (1,1,1,1)),
we expect the shader's uniform to be updated regardless of whether the
shader is bound or not.
And `batch.draw()` already calls `GPU_shader_bind` inside.
Differential Revision: https://developer.blender.org/D15929
30 lines
694 B
Python
30 lines
694 B
Python
"""
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Wireframe Cube using Index Buffer
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---------------------------------
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"""
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import bpy
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import gpu
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from gpu_extras.batch import batch_for_shader
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coords = (
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(-1, -1, -1), (+1, -1, -1),
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(-1, +1, -1), (+1, +1, -1),
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(-1, -1, +1), (+1, -1, +1),
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(-1, +1, +1), (+1, +1, +1))
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indices = (
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(0, 1), (0, 2), (1, 3), (2, 3),
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(4, 5), (4, 6), (5, 7), (6, 7),
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(0, 4), (1, 5), (2, 6), (3, 7))
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shader = gpu.shader.from_builtin('3D_UNIFORM_COLOR')
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batch = batch_for_shader(shader, 'LINES', {"pos": coords}, indices=indices)
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def draw():
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shader.uniform_float("color", (1, 0, 0, 1))
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batch.draw(shader)
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bpy.types.SpaceView3D.draw_handler_add(draw, (), 'WINDOW', 'POST_VIEW')
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