pmachines/items/box.py

   1 from panda3d.core import CullFaceAttrib
   2 from panda3d.bullet import BulletBoxShape, BulletRigidBodyNode
   3
   4 class Box:
   5
   6     def __init__(self, world):
   7         self._world = world
   8         shape = BulletBoxShape((.5, .5, .5))
   9         self.node = BulletRigidBodyNode('box')
  10         self.node.add_shape(shape)
  11         self._np = render.attach_new_node(self.node)
  12         self._np.set_pos(0, 0, 1)
  13         world.attach_rigid_body(self.node)
  14         model = loader.load_model('assets/gltf/box/box.gltf')
  15         model.flatten_light()
  16         model.reparent_to(self._np)
  17         self._set_outline_model()
  18         self._start_drag_pos = None
  19
  20     def _set_outline_model(self):
  21         self._outline_model = loader.load_model('assets/gltf/box/box.gltf')
  22         clockw = CullFaceAttrib.MCullClockwise
  23         self._outline_model.set_attrib(CullFaceAttrib.make(clockw))
  24         self._outline_model.reparent_to(self._np)
  25         self._outline_model.set_scale(-1.08, -1.08, -1.08)
  26         self._outline_model.set_light_off()
  27         self._outline_model.set_color(.4, .4, .4, 1)
  28         self._outline_model.set_color_scale(.4, .4, .4, 1)
  29         self._outline_model.hide()
  30
  31     def play(self):
  32         self._world.remove_rigid_body(self.node)
  33         self.node.set_mass(1)
  34         self._world.attach_rigid_body(self.node)
  35
  36     def on_click(self, pos):
  37         self._start_drag_pos = pos, self._np.get_pos()
  38
  39     def on_release(self):
  40         self._start_drag_pos = None
  41
  42     def on_mouse_on(self):
  43         self._outline_model.show()
  44
  45     def on_mouse_off(self):
  46         self._outline_model.hide()
  47
  48     def on_mouse_move(self, pos):
  49         if not self._start_drag_pos: return
  50         self._np.set_pos(self._start_drag_pos[1] + (pos - self._start_drag_pos[0]))