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Calculate the model "size".

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The size is actually the average area in quake units of the mesh's
triangles. Again, my results are slightly smaller (0.025).

With this, all calculable fields are set. Only eye position, flags and
synctype remain.
This commit is contained in:
Bill Currie 2011-09-24 13:18:23 +09:00
parent 07b5db64c6
commit 50795b8239
1 changed files with 14 additions and 0 deletions
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14
tools/io_mesh_qfmdl/export_mdl.py
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@ -143,6 +143,19 @@ def scale_verts(mdl):
for f in mdl.frames:
f.scale(mdl)
def calc_average_area(mdl):
frame = mdl.frames[0]
if frame.type:
frame = frame.frames[0]
totalarea = 0.0
for tri in mdl.tris:
verts = tuple(map(lambda i: frame.verts[i], tri.verts))
a = Vector(verts[0].r) - Vector(verts[1].r)
b = Vector(verts[2].r) - Vector(verts[1].r)
c = a.cross(b)
totalarea += (c * c) ** 0.5 / 2.0
return totalarea / len(mdl.tris)
def export_mdl(operator, context, filepath):
obj = context.active_object
mesh = obj.to_mesh (context.scene, True, 'PREVIEW') #wysiwyg?
@ -155,6 +168,7 @@ def export_mdl(operator, context, filepath):
mdl.tris, mdl.stverts, vertmap = build_tris(mesh)
convert_stverts (mdl, mdl.stverts)
mdl.frames.append(make_frame(mesh, vertmap))
mdl.size = calc_average_area(mdl)
scale_verts(mdl)
mdl.write(filepath)
return {'FINISHED'}