def raycast(self, origin, direction=(0,0,1), dist=math.inf, traverse_target=scene, ignore=list(), debug=False):
self.position = origin
self.look_at(self.position + direction)
# need to do this for it to work for some reason
self._collision_ray.set_origin(Vec3(0,0,0))
self._collision_ray.set_direction(Vec3(0,1,0))
if debug:
self._pickerNP.show()
else:
self._pickerNP.hide()
self._picker.traverse(traverse_target)
if self._pq.get_num_entries() == 0:
self.hit = Hit(hit=False)
return self.hit
self._pq.sort_entries()
self.entries = [ # filter out ignored entities
e for e in self._pq.getEntries()
if e.get_into_node_path().parent not in ignore
]
if len(self.entries) == 0:
self.hit = Hit(hit=False)
return self.hit
self.collision = self.entries[0]
nP = self.collision.get_into_node_path().parent
point = self.collision.get_surface_point(nP)
point = Vec3(point[0], point[2], point[1])
world_point = self.collision.get_surface_point(render)
world_point = Vec3(world_point[0], world_point[2], world_point[1])
hit_dist = self.distance(self.world_position, world_point)
if hit_dist <= dist:
if nP.name.endswith('.egg'):
nP = nP.parent
self.hit = Hit(hit=True)
for e in scene.entities:
if e == nP:
# print('cast nP to Entity')
self.hit.entity = e
self.hit.point = point
self.hit.world_point = world_point
self.hit.distance = hit_dist
normal = self.collision.get_surface_normal(self.collision.get_into_node_path().parent)
self.hit.normal = (normal[0], normal[2], normal[1])
normal = self.collision.get_surface_normal(render)
self.hit.world_normal = (normal[0], normal[2], normal[1])
return self.hit
self.hit = Hit(hit=False)
return self.hit
def boxcast(self,
origin,
direction=(0, 0, 1),
distance=math.inf,
thickness=(1, 1),
traverse_target=scene,
ignore=list(),
debug=False):
if isinstance(thickness, (int, float, complex)):
thickness = (thickness, thickness)
resolution = 3
rays = list()
debugs = list()
for y in range(3):
for x in range(3):
pos = origin + Vec3(
lerp(-(thickness[0] / 2), thickness[0] / 2, x / (3 - 1)),
lerp(-(thickness[1] / 2), thickness[1] / 2, y /
(3 - 1)), 0)
ray = self.raycast(pos, direction, distance, traverse_target,
ignore, False)
rays.append(ray)
if debug and ray.hit:
d = Entity(model='cube',
origin_z=-.5,
position=pos,
scale=(.02, .02, distance),
ignore=True)
d.look_at(pos + Vec3(direction))
debugs.append(d)
# print(pos, hit.point)
if ray.hit and ray.distance > 0:
d.scale_z = ray.distance
d.color = color.green
from ursina import destroy
# [destroy(e, 1/60) for e in debugs]
rays.sort(key=lambda x: x.distance)
closest = rays[0]
return Hit(
hit=sum([int(e.hit) for e in rays]) > 0,
entity=closest.entity,
point=closest.point,
world_point=closest.world_point,
distance=closest.distance,
normal=closest.normal,
world_normal=closest.world_normal,
hits=[e.hit for e in rays],
entities=list(set([e.entity
for e in rays])), # get unique entities hit
)
def find_collision(self):
if not self.raycast:
return
self._pq.sortEntries()
if len(self._pq.get_entries()) == 0:
self.collision = None
return
self.collisions = list()
for entry in self._pq.getEntries():
# print(entry.getIntoNodePath().parent)
for entity in scene.entities:
if entry.getIntoNodePath().parent == entity:
if entity.collision:
self.collisions.append(
Hit(
hit=entry.collided(),
entity=entity,
distance=0,
point=entry.getSurfacePoint(entity),
world_point=entry.getSurfacePoint(scene),
normal=entry.getSurfaceNormal(entity),
world_normal=entry.getSurfaceNormal(scene),
))
break
self.collision = self._pq.getEntry(0)
nP = self.collision.getIntoNodePath().parent
for entity in scene.entities:
if not hasattr(entity, 'collision'
) or not entity.collision or not entity.collider:
continue
# if hit entity is not hovered, call on_mouse_enter()
if entity == nP:
if not entity.hovered:
entity.hovered = True
self.hovered_entity = entity
# print(entity.name)
if hasattr(entity, 'on_mouse_enter'):
entity.on_mouse_enter()
for s in entity.scripts:
if hasattr(s, 'on_mouse_enter'):
s.on_mouse_enter()
# unhover the rest
else:
if entity.hovered:
entity.hovered = False
if hasattr(entity, 'on_mouse_exit'):
entity.on_mouse_exit()
for s in entity.scripts:
if hasattr(s, 'on_mouse_exit'):
s.on_mouse_exit()
def find_collision(self):
self.collisions = list()
self.collision = None
if not self.raycast or self._pq.get_num_entries() == 0:
self.unhover_everything_not_hit()
return False
self._pq.sortEntries()
for entry in self._pq.getEntries():
for entity in scene.entities:
if entry.getIntoNodePath(
).parent == entity and entity.collision:
if entity.collision:
hit = Hit(
hit=entry.collided(),
entity=entity,
distance=distance(entry.getSurfacePoint(scene),
camera.getPos()),
point=entry.getSurfacePoint(entity),
world_point=entry.getSurfacePoint(scene),
normal=entry.getSurfaceNormal(entity),
world_normal=entry.getSurfaceNormal(scene),
)
hit.point = Vec3(hit.point[0], hit.point[2],
hit.point[1])
hit.world_point = Vec3(hit.world_point[0],
hit.world_point[2],
hit.world_point[1])
hit.normal = Vec3(hit.normal[0], hit.normal[2],
hit.normal[1])
hit.world_normal = Vec3(hit.world_normal[0],
hit.world_normal[2],
hit.world_normal[1])
self.collisions.append(hit)
break
if self.collisions:
self.collision = self.collisions[0]
self.hovered_entity = self.collision.entity
if not self.hovered_entity.hovered:
self.hovered_entity.hovered = True
if hasattr(self.hovered_entity, 'on_mouse_enter'):
self.hovered_entity.on_mouse_enter()
for s in self.hovered_entity.scripts:
if hasattr(s, 'on_mouse_enter'):
s.on_mouse_enter()
self.unhover_everything_not_hit()
def raycast(self,
origin,
direction=(0, 0, 1),
distance=math.inf,
traverse_target=scene,
ignore=list(),
debug=False):
self.position = origin
self.look_at(self.position + direction)
self._pickerNode.clearSolids()
# if thickness == (0,0):
if distance == math.inf:
ray = CollisionRay()
ray.setOrigin(Vec3(0, 0, 0))
ray.setDirection(Vec3(0, 1, 0))
else:
ray = CollisionSegment(Vec3(0, 0, 0), Vec3(0, distance, 0))
self._pickerNode.addSolid(ray)
if debug:
self._pickerNP.show()
else:
self._pickerNP.hide()
self._picker.traverse(traverse_target)
if self._pq.get_num_entries() == 0:
self.hit = Hit(hit=False)
return self.hit
ignore += tuple([e for e in scene.entities if not e.collision])
self._pq.sort_entries()
self.entries = [ # filter out ignored entities
e for e in self._pq.getEntries()
if e.get_into_node_path().parent not in ignore
]
if len(self.entries) == 0:
self.hit = Hit(hit=False)
return self.hit
self.collision = self.entries[0]
nP = self.collision.get_into_node_path().parent
point = self.collision.get_surface_point(nP)
point = Vec3(point[0], point[2], point[1])
world_point = self.collision.get_surface_point(render)
world_point = Vec3(world_point[0], world_point[2], world_point[1])
hit_dist = self.distance(self.world_position, world_point)
if nP.name.endswith('.egg'):
nP = nP.parent
self.hit = Hit(hit=True)
for e in scene.entities:
if e == nP:
# print('cast nP to Entity')
self.hit.entity = e
self.hit.point = point
self.hit.world_point = world_point
self.hit.distance = hit_dist
normal = self.collision.get_surface_normal(
self.collision.get_into_node_path().parent)
self.hit.normal = (normal[0], normal[2], normal[1])
normal = self.collision.get_surface_normal(render)
self.hit.world_normal = (normal[0], normal[2], normal[1])
return self.hit
self.hit = Hit(hit=False)
return self.hit