def _checkRayIntersect(self, ray):
"""Check if ray intersects object
@see: objects.ObjectDepth._checkRayIntersect
"""
res = ogre.Math.intersects(ray, self.sceneNode._getWorldAABB())
rvalue, pos = objects.ObjectDepth._checkRayIntersect(self, ray)
if not rvalue:
return False, -1
# works just for a isometric mode
m = ogre.Matrix4()
self.getSceneNode().getWorldTransforms(m)
p = ogre.Matrix4.getTrans(m)
pl = ogre.Plane(ray.getDirection(), p)
pr = ray.intersects(pl)
if not pr.first:
return False, -1
d = ray.getPoint(pr.second)
rvalue = False
for idx in range(len(self.points)):
p2 = self.points[idx] + p
p1 = self.points[idx - 1] + p
if (((p2.y <= d.y and d.y < p1.y) or (p1.y <= d.y and d.y < p2.y)) and \
(d.x > (p1.x - p2.x) * (d.y - p2.y) / (p1.y - p2.y) + p2.x)):
rvalue = not rvalue
return rvalue, 0
def _checkRayIntersect(self, ray):
"""Check if ray intersects union object.
Just check if it intersects any of object included to union.
@param ray: ray for intersection checking
@type ray: ogre.Ray
"""
res, pos = suit.core.objects.ObjectDepth._checkRayIntersect(self, ray)
if not res:
return False, -1
# works just for a isometric mode
m = ogre.Matrix4()
self.getSceneNode().getWorldTransforms(m)
p = ogre.Matrix4.getTrans(m)
pl = ogre.Plane(ray.getDirection(), p)
pr = ray.intersects(pl)
if not pr.first:
return False, -1
d = ray.getPoint(pr.second)
dist = self.center_point.getPosition().distance(d)
if math.fabs(dist - self.radius) <= self.width / 2.0:
return True, 0
return False, -1
def distance(self, ray):
m = ogre.Matrix4()
self.getSceneNode().getWorldTransforms(m)
p = ogre.Matrix4.getTrans(m)
pl = ogre.Plane(ray.getDirection(), p)
pr = ray.intersects(pl)
if pr.first:
d = ray.getPoint(pr.second)
return (d - p).length()
return None
