def invoke(self, context, event):
if context.area.type == 'VIEW_3D':
# the arguments we pass the the callback
args = (self, context)
# Add the region OpenGL drawing callback
self._timer = context.window_manager.event_timer_add(.1, context.window) #bpy.types.WindoManager.event_time_add?
self._handle = bpy.types.SpaceView3D.draw_handler_add(bgl_utils.draw_callback_crevice_walking, args, 'WINDOW', 'POST_PIXEL')
#initialze important values and gather important info
region = context.region
rv3d = context.space_data.region_3d
coord = event.mouse_region_x, event.mouse_region_y
self.tracer_name = context.object.name #adding bpy here because getting weird error
self.target_name = [ob.name for ob in context.selected_editable_objects if ob.name != self.tracer_name][0]
tracer = bpy.data.objects[self.tracer_name]
target = bpy.data.objects[self.target_name]
#target.select = False
tracer.select = True
context.scene.objects.active = tracer
#mod = tracer.modifers['Shrinkwrap'] #going to need to do some checking for dumb scenarios
#self.target = mod.target
vec = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
ray_origin = view3d_utils.region_2d_to_location_3d(region, rv3d, coord, vec)
#raycast onto active object
ray_target = ray_origin + 10000*vec
[hit, normal, face] = odcutils.obj_ray_cast(target, target.matrix_world, ray_origin, ray_target)
self.max_iters = 50
self.keep_iterating = False #turn this off/on when we get convergence on the bias point or add a new bias point
self.session_iterations = 0
if hit:
self.current_bias_point = target.matrix_world * hit
else:
self.current_bias_point = target.location
self.confirmed_path = []
self.pending_path = [tracer.location.copy()]
self.bias_points = []
self.bias_normals = [] #gotta keep track of the normals so we can re-orient the tracker pointed the right way
self.step_size = .5
self.convergence_limit = 5
context.window_manager.modal_handler_add(self)
return {'RUNNING_MODAL'}
else:
self.report({'WARNING'}, "View3D not found, cannot run operator")
return {'CANCELLED'}
def invoke(self, context, event):
if context.area.type == 'VIEW_3D':
# the arguments we pass the the callback
args = (self, context)
# Add the region OpenGL drawing callback
self._timer = context.window_manager.event_timer_add(
.1, context.window) #bpy.types.WindoManager.event_time_add?
self._handle = bpy.types.SpaceView3D.draw_handler_add(
bgl_utils.draw_callback_crevice_walking, args, 'WINDOW',
'POST_PIXEL')
#initialze important values and gather important info
region = context.region
rv3d = context.space_data.region_3d
coord = event.mouse_region_x, event.mouse_region_y
self.tracer_name = context.object.name #adding bpy here because getting weird error
self.target_name = [
ob.name for ob in context.selected_editable_objects
if ob.name != self.tracer_name
][0]
tracer = bpy.data.objects[self.tracer_name]
target = bpy.data.objects[self.target_name]
#target.select = False
tracer.select = True
context.scene.objects.active = tracer
#mod = tracer.modifiers['Shrinkwrap'] #going to need to do some checking for dumb scenarios
#self.target = mod.target
vec = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
ray_origin = view3d_utils.region_2d_to_location_3d(
region, rv3d, coord, vec)
#raycast onto active object
ray_target = ray_origin + 10000 * vec
[hit, normal,
face] = odcutils.obj_ray_cast(target, target.matrix_world,
ray_origin, ray_target)
self.max_iters = 50
self.keep_iterating = False #turn this off/on when we get convergence on the bias point or add a new bias point
self.session_iterations = 0
if hit:
self.current_bias_point = target.matrix_world * hit
else:
self.current_bias_point = target.location
self.confirmed_path = []
self.pending_path = [tracer.location.copy()]
self.bias_points = []
self.bias_normals = [
] #gotta keep track of the normals so we can re-orient the tracker pointed the right way
self.step_size = .5
self.convergence_limit = 5
context.window_manager.modal_handler_add(self)
return {'RUNNING_MODAL'}
else:
self.report({'WARNING'}, "View3D not found, cannot run operator")
return {'CANCELLED'}
def modal(self, context, event):
context.area.tag_redraw()
if event.type in {'MIDDLEMOUSE','WHELLUPMOUSE','WHEELDOWNMOUSE'}:
#let the user pan and rotate around (translate?)
return {'PASS_THROUGH'}
if event.type == 'TIMER':
#iterate....check convergence.
if self.keep_iterating:
self.iterate(context)
return {'PASS_THROUGH'}
elif event.type == 'MOUSEMOVE':
#change the active bias
region = context.region
rv3d = context.space_data.region_3d
coord = event.mouse_region_x, event.mouse_region_y
vec = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
ray_origin = view3d_utils.region_2d_to_location_3d(region, rv3d, coord, vec) - 5000*vec
target = bpy.data.objects[self.target_name]
#raycast onto active object
ray_target = ray_origin + 5000*vec
[hit, normal, face] = odcutils.obj_ray_cast(target, target.matrix_world, ray_origin, ray_target)
if hit:
self.current_bias_point = target.matrix_world * hit
'''
if not self.keep_iterating:
self.bias_point = (event.mouse_region_x, event.mouse_region_y)
self.keep_iterating = True
'''
elif event.type == 'LEFTMOUSE' and event.value == "PRESS":
#confirm the existing walking cache
#if continue_iterating still true, append the last confirmed point to the bias points
#change the active bias
region = context.region
rv3d = context.space_data.region_3d
coord = event.mouse_region_x, event.mouse_region_y
target = bpy.data.objects[self.target_name]
vec = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
ray_origin = view3d_utils.region_2d_to_location_3d(region, rv3d, coord, vec)
#raycast onto active object
ray_target = ray_origin + 3000*vec
[hit, normal, face] = odcutils.obj_ray_cast(target, target.matrix_world, ray_origin, ray_target)
if hit:
self.bias_points.append(target.matrix_world * hit)
#keep iterating to mouse projection on model
self.keep_iterating = not self.keep_iterating
return {'RUNNING_MODAL'}
elif event.type == 'RIGHTMOUSE' and event.value == "PRESS":
#pop off a bias point
self.bias_points.pop()
#pop off a bias normal
#pop off stack of confirmed crevice points prior to that
#keep iterating to mouse projection on model
self.keep_iterating = not self.keep_iterating
return {'RUNNING_MODAL'}
elif event.type in {'ESC'}:
context.window_manager.event_timer_remove(self._timer)
bpy.types.SpaceView3D.draw_handler_remove(self._handle, 'WINDOW')
return {'CANCELLED'}
elif event.type in {'RETURN'}:
context.window_manager.event_time_remove(self._timer)
bpy.types.SpaceView3D.draw_handler_remove(self._handle, 'WINDOW')
return {'CANCELLED'}
return {'RUNNING_MODAL'}
def modal(self, context, event):
context.area.tag_redraw()
if event.type in {'MIDDLEMOUSE', 'WHELLUPMOUSE', 'WHEELDOWNMOUSE'}:
#let the user pan and rotate around (translate?)
return {'PASS_THROUGH'}
if event.type == 'TIMER':
#iterate....check convergence.
if self.keep_iterating:
self.iterate(context)
return {'PASS_THROUGH'}
elif event.type == 'MOUSEMOVE':
#change the active bias
region = context.region
rv3d = context.space_data.region_3d
coord = event.mouse_region_x, event.mouse_region_y
vec = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
ray_origin = view3d_utils.region_2d_to_location_3d(
region, rv3d, coord, vec) - 5000 * vec
target = bpy.data.objects[self.target_name]
#raycast onto active object
ray_target = ray_origin + 5000 * vec
[hit, normal,
face] = odcutils.obj_ray_cast(target, target.matrix_world,
ray_origin, ray_target)
if hit:
self.current_bias_point = target.matrix_world * hit
'''
if not self.keep_iterating:
self.bias_point = (event.mouse_region_x, event.mouse_region_y)
self.keep_iterating = True
'''
elif event.type == 'LEFTMOUSE' and event.value == "PRESS":
#confirm the existing walking cache
#if continue_iterating still true, append the last confirmed point to the bias points
#change the active bias
region = context.region
rv3d = context.space_data.region_3d
coord = event.mouse_region_x, event.mouse_region_y
target = bpy.data.objects[self.target_name]
vec = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
ray_origin = view3d_utils.region_2d_to_location_3d(
region, rv3d, coord, vec)
#raycast onto active object
ray_target = ray_origin + 3000 * vec
[hit, normal,
face] = odcutils.obj_ray_cast(target, target.matrix_world,
ray_origin, ray_target)
if hit:
self.bias_points.append(target.matrix_world * hit)
#keep iterating to mouse projection on model
self.keep_iterating = not self.keep_iterating
return {'RUNNING_MODAL'}
elif event.type == 'RIGHTMOUSE' and event.value == "PRESS":
#pop off a bias point
self.bias_points.pop()
#pop off a bias normal
#pop off stack of confirmed crevice points prior to that
#keep iterating to mouse projection on model
self.keep_iterating = not self.keep_iterating
return {'RUNNING_MODAL'}
elif event.type in {'ESC'}:
context.window_manager.event_timer_remove(self._timer)
bpy.types.SpaceView3D.draw_handler_remove(self._handle, 'WINDOW')
return {'CANCELLED'}
elif event.type in {'RETURN'}:
context.window_manager.event_time_remove(self._timer)
bpy.types.SpaceView3D.draw_handler_remove(self._handle, 'WINDOW')
return {'CANCELLED'}
return {'RUNNING_MODAL'}
