33dce4ecfd
* None to ffi.NULL * array and ndarray to buffer, and keep weakref so it doesn't get GCed This makes it possible to create Mesh structs without too much faffing.
120 lines
3.2 KiB
Python
120 lines
3.2 KiB
Python
from array import array
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import pyray as pr
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W, H = 640, 480
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def make_cube(width, height, length):
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vertices = array('f', [
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-width / 2, -height / 2, length / 2,
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width / 2, -height / 2, length / 2,
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width / 2, height / 2, length / 2,
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-width / 2, height / 2, length / 2,
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-width / 2, -height / 2, -length / 2,
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-width / 2, height / 2, -length / 2,
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width / 2, height / 2, -length / 2,
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width / 2, -height / 2, -length / 2,
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-width / 2, height / 2, -length / 2,
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-width / 2, height / 2, length / 2,
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width / 2, height / 2, length / 2,
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width / 2, height / 2, -length / 2,
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-width / 2, -height / 2, -length / 2,
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width / 2, -height / 2, -length / 2,
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width / 2, -height / 2, length / 2,
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-width / 2, -height / 2, length / 2,
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width / 2, -height / 2, -length / 2,
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width / 2, height / 2, -length / 2,
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width / 2, height / 2, length / 2,
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width / 2, -height / 2, length / 2,
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-width / 2, -height / 2, -length / 2,
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-width / 2, -height / 2, length / 2,
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-width / 2, height / 2, length / 2,
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-width / 2, height / 2, -length / 2
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])
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texcoords = array('f', [
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0.0, 0.0,
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1.0, 0.0,
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1.0, 1.0,
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0.0, 1.0,
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1.0, 0.0,
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1.0, 1.0,
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0.0, 1.0,
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0.0, 0.0,
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0.0, 1.0,
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0.0, 0.0,
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1.0, 0.0,
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1.0, 1.0,
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1.0, 1.0,
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0.0, 1.0,
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0.0, 0.0,
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1.0, 0.0,
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1.0, 0.0,
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1.0, 1.0,
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0.0, 1.0,
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0.0, 0.0,
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0.0, 0.0,
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1.0, 0.0,
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1.0, 1.0,
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0.0, 1.0])
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normals = array('f', [
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0.0, 0.0, 1.0,
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0.0, 0.0, 1.0,
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0.0, 0.0, 1.0,
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0.0, 0.0, 1.0,
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0.0, 0.0, -1.0,
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0.0, 0.0, -1.0,
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0.0, 0.0, -1.0,
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0.0, 0.0, -1.0,
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0.0, 1.0, 0.0,
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0.0, 1.0, 0.0,
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0.0, 1.0, 0.0,
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0.0, 1.0, 0.0,
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0.0, -1.0, 0.0,
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0.0, -1.0, 0.0,
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0.0, -1.0, 0.0,
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0.0, -1.0, 0.0,
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1.0, 0.0, 0.0,
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1.0, 0.0, 0.0,
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1.0, 0.0, 0.0,
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1.0, 0.0, 0.0,
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-1.0, 0.0, 0.0,
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-1.0, 0.0, 0.0,
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-1.0, 0.0, 0.0,
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-1.0, 0.0, 0.0
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])
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indices = array('h',
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sum([[4 * k, 4 * k + 1, 4 * k + 2, 4 * k, 4 * k + 2, 4 * k + 3] for k in range(0, 6)], []))
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print(vertices, indices)
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return (pr.Mesh(24, 12, vertices, texcoords,
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None, normals, None, None, indices,
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None, None, None, None, 0, None))
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pr.init_window(W, H, "Mesh creation")
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msh = make_cube(3, 4, 40)
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pr.upload_mesh(msh, False)
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matdefault = pr.load_material_default()
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eye = pr.matrix_identity()
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camera = pr.Camera3D((30.0, 20.0, 30.0), (0.0, 0.0, 0.0), (0.0, 1.0, 0.0), 70.0,
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pr.CameraProjection.CAMERA_PERSPECTIVE)
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# Export so we can inspect it
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pr.export_mesh(msh, "test-cube.obj")
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while not pr.window_should_close():
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pr.update_camera(camera, pr.CameraMode.CAMERA_ORBITAL)
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pr.begin_drawing()
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pr.clear_background(pr.BLACK)
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pr.begin_mode_3d(camera)
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pr.draw_grid(10, 5.0)
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pr.draw_mesh(msh, matdefault, eye)
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pr.end_mode_3d()
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pr.end_drawing()
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pr.close_window()
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