blender/io_mspgl/export_camera.py

   1 import math
   2 import mathutils
   3
   4 class CameraExporter:
   5         def export_to_file(self, context, out_fn):
   6                 obj = context.active_object
   7
   8                 resource = self.export_camera(obj)
   9
  10                 resource.write_to_file(out_fn)
  11
  12         def export_camera(self, obj):
  13                 if obj.type!='CAMERA':
  14                         raise Exception("Object is not a camera")
  15
  16                 from .datafile import Resource, Statement
  17                 resource = Resource(obj.name+".camera", "camera")
  18
  19                 position = obj.matrix_world*mathutils.Vector((0, 0, 0))
  20                 resource.statements.append(Statement("position", position[0], position[1], position[2]))
  21                 look_dir = obj.matrix_world*mathutils.Vector((0, 0, -1, 0))
  22                 resource.statements.append(Statement("look_direction", look_dir[0], look_dir[1], look_dir[2]))
  23                 resource.statements.append(Statement("up_direction", 0.0, 0.0, 1.0))
  24                 resource.statements.append(Statement("field_of_view", obj.data.angle_y*180/math.pi))
  25                 resource.statements.append(Statement("depth_clip", obj.data.clip_start, obj.data.clip_end))
  26
  27                 return resource