class CKeyGrip:
def __init__(self, mxScene, params):
self.mxScene = mxScene
self.scene = CScene(mxScene)
self.pramas = params
def getZAxis(self):
raise("This is an interface")
pass
def randPickPoint(self):
raise("This is an interface")
pass
def randPickPointOnFace(self):
objId = random.randint(0, self.scene.getObjectsCount()-1) #Return a random integer N such that a <= N <= b.
faceId = random.randint(0, self.scene.getObjectFacesCount(objId)-1)
pt1, pt2 ,pt3 = self.scene.getFaceVertices(objId, faceId)
c1 = random.random()
c2 = random.random()
c3 = random.random()
c = c1 + c2 + c3
pt = (c1/c) * pt1 + (c2/c) * pt2 + (c3/c) * pt3
return pt
def randPickDirection(self):
x = random.random()
y = random.random()
z = random.random()
v = numpy.array([x, y, z], dtype=numpy.float32)
v = Utils.normalize(v)
return v
def isFeasibleCameraPosition(self, position):
raise("This is an interface")
pass
def isFeasible(self, focalPoint, cameraTrajectory):
for i in range(0, len(cameraTrajectory), self.pramas.sampleLevel):
position = cameraTrajectory[i]
dist = Utils.distance(focalPoint, position)
if dist < self.pramas.safeDist:
msg = "too close"
return (False, msg)
if self.scene.isOccluded(focalPoint, position):
msg = "occluded"
return (False, msg)
if not self.isFeasibleCameraPosition(position):
msg = "infeasible camera position"
return (False, msg)
msg = "feasible"
return (True, msg)
def __init__(self, mxScene, params):
self.mxScene = mxScene
self.scene = CScene(mxScene)
self.pramas = params