Path-following and Actuators

Question 1

Example of path representations?

Answer 1

L. Line or sequence of lines
C. Curves
S. Sequence of manouvers

Question 2

Param porpose

Answer 2

Represents the traversed distance of the path

Question 3

Last Param porpose

Answer 3

Used to select the param when there is more than one possibility

Question 4

FollowPath is implemented as a subclasse of DynamicSeek or Match Rotation?

Answer 4

DynamicSeek

Question 5

Types of Actuators

Answer 5

O. Output Filtering Approach
H. Heuristic Based Approaches
P. Path-planning Approaches

Question 6

What does the Output Filtering do to the componentes of the movement output that are not compatible with the character?

Answer 6

Ignores them

Question 7

When using Output Filtering the movement output must be calculated every frame?

Answer 7

No

Question 8

Problems of Output Filtering

Answer 8

Loss of Acelaration

Question 9

Paths with sequence of lines are ___ for characters that can not turn quickly

Answer 9

not appropriate

Question 10

Paths with sequence of lines are ___ and ___ for path-planning

Answer 10

efficient

appropriate

Question 11

Path with sequence of manouvers are ___ to check restrictions

Answer 11

harder

Question 12

Path with sequence of manouvers are Computationally ___

Answer 12

heavier

Question 13

Actuators can implement additional ___ ___ on movements of Characters by ___ and ___ the character ___ ___

Answer 13

complex restrictions
controlling
updating
kinematic data

Question 14

Of the three types of actuators, Output Filtering, Heuristic Based and Path-planning, which one is the simplest?

Answer 14

Output Filtering

Question 15

The Output Filtering approach is used to apply ___ ___

Answer 15

physical constraints

Question 16

The Output Filtering approach is a direct application of the ___ ___ (___, ___, ___)

Answer 16

movement algorithm

seek, arrive, align

Question 17

On the Heuristic approaches the path is the ___ ___ and ___ ___

Answer 17

target goal

current position

Question 18

The Heuristic approaches use heuristics to create the most appropriate ___ and to select between ___ ___

Answer 18

movements

different alternatives

Question 19

The Path-planning approaches have a ___ ___ behaviour

Answer 19

path following

Question 20

The Path-planning approaches use Path-planning to take into consideration ___ ___ of the ___ when generating paths

Answer 20

physical aspects

character

Question 21

One Output filtering example is to project desired ___ into the current ___ ___ and
If ___ is not zero then a part of the ___ ___ can be applied

Answer 21

accelaration
orientation vector
velocity
angular component

Question 22

Some Advantages of the Output Filtering are:
1- Its ___ and ___ to implement
2- Surprisingly ___
3- Works in most cases unless there is a ___ ___ ___

Answer 22

1- fast / easy
2- effective
3- small error margin

Question 23

Human movement heuristics characteristics for human characters:
1- If ___ or ___ ___ and ___ to target, move directly even if backwards or sideways
2- If ___ and target ___ a arc in ___ , continue moving forward but rotate a litle
3- If target ___ the arc, stop moving, turn and resume forward motion

Answer 23

1- stopped / very slow / close
2- moving / within / front
3- outside

Question 24

Car movement heuristics characteristics for cars and motorbikes:
1- If car is ___ , accelarate forward or backward depending on distance and arc
2- If car is ___ and target not ___ ___/___ arc, brake while turning at maximum rate possible until target is inside arc
3- If target ___ ___/___ arc, accelarate and steer towards it

Answer 24

1- stationary
2- moving / between forward.backward
3- inside forward/backward