Sample questions
Gp Animation State LocomotionDifficulty 1
A character must switch from an idle pose to a one-shot attack animation the instant the player presses a button. Which mechanism is the natural fit for this switch?
- aA continuous blend driven by a speed parameter between 0 and 1
- bA discrete state transition triggered by the button press✓
- cA layered additive animation applied on top of the current pose
- dAn inverse kinematics solve that repositions a hand bone
Explanation:Jumping from an idle pose to an unrelated attack pose on a discrete trigger is exactly what a state transition does. (a) blends similar motions along a continuous value, which idle-to-attack is not. (c) layers a pose on top of another, it does not replace it. (d) repositions a bone toward a target, it does not choose which clip plays.
Gp Animation State LocomotionDifficulty 2
For a smooth continuous blend between two animation clips to look coherent (rather than a mushy in-between pose), what must be true about the two clips?
- aThey only need to be exported in the same file format
- bThey must be similar motions with matching timing✓
- cThey must have identical total clip lengths in seconds
- dThey must share the same set of animation event markers
Explanation:A meaningful blend requires similar motions whose key moments (like a foot touching the ground) line up in time, such as two walk cycles at different speeds; file format is irrelevant, clip length can differ since blending uses normalized time, and shared events are not a requirement for the blend itself.
Gp Animation State LocomotionDifficulty 1
A transition is configured to fire based on the source clip's own playback progress rather than any parameter. What does this exit-time condition depend on?
- aThe total number of animation clips loaded in memory
- bThe value of a boolean parameter set from code
- cThe normalized time already played through the source clip✓
- dThe distance between the character and the nearest wall
Explanation:An exit-time transition is defined purely by how far along the source clip's normalized playback has reached (e.g. 75% played), independent of any external parameter. (a), (b) and (d) describe things a parameter-driven condition would check, not an exit-time condition.
Gp Animation State LocomotionDifficulty 2
A transition's duration can be interpreted in two ways: as an absolute number of seconds, or as a fraction of the source state's own duration. What determines which interpretation is used?
- aWhether fixed-duration is enabled for that transition✓
- bThe frame rate the game happens to be running at
- cWhether the destination state has a blend tree or a single clip
- dThe number of parameters the state machine defines
Explanation:Whether the transition duration is read as seconds or as a fraction of the source state's normalized time is controlled by a fixed-duration toggle on the transition itself; frame rate, the destination's content, and parameter count don't affect that interpretation.
Gp Animation State LocomotionDifficulty 3
A looping locomotion clip has a transition with exit time 0.9 and no other condition. On the frame where 90% of the clip has played, the transition check runs. What happens on the very next loop of the same clip?
- aThe transition never fires again because exit time only evaluates once per clip
- bThe transition check happens again on the next loop✓
- cThe transition automatically raises its exit time to 1.9 to avoid re-firing
- dThe clip stops looping entirely once its exit time has fired once
Explanation:For a looping clip, an exit time smaller than 1 is re-evaluated every loop, so the same 90%-played condition becomes true again on each cycle; only an exit time greater than 1 is evaluated once, after that many loops. (a), (c) and (d) all describe behavior exit time doesn't actually have.
Gp Animation State LocomotionDifficulty 1
A locomotion blend uses a single float parameter (speed) to interpolate between an idle, walk, and run clip. What is this kind of blend generally called?
- aA layered blend
- bA two-dimensional directional blend
- cA one-dimensional blend✓
- dAn additive blend on top of a base pose
Explanation:Interpolating clips along exactly one continuous parameter (here, speed) is a one-dimensional blend; a layered or additive blend combines whole animation layers rather than interpolating along a parameter axis, and a two-dimensional blend needs two independent parameters (e.g. speed and direction).