galacean / engine

A typescript interactive engine, support 2D, 3D, animation, physics, built on WebGL and glTF.
https://www.galacean.com/engine
MIT License
4.29k stars 307 forks source link

Add hasExitTime and fix error when set state startTime and transition duration is 0 #2359

Closed luzhuang closed 2 months ago

luzhuang commented 3 months ago

Please check if the PR fulfills these requirements

What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

What is the current behavior? (You can also link to an open issue here)

What is the new behavior (if this is a feature change)?

Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)

Other information:

Summary by CodeRabbit

coderabbitai[bot] commented 3 months ago

Walkthrough

The changes encompass enhancements to the animation system, focusing on state transitions and exit time management. Key modifications include the introduction of the hasExitTime property across various classes, refined transition logic, and updates to method signatures for improved clarity. Additionally, the AnimatorStateTransitionCollection class has been introduced to streamline transition management, consolidating logic for adding and removing transitions.

Changes

Files Change Summary
packages/core/src/animation/Animator.ts, packages/core/src/animation/AnimatorStateMachine.ts, packages/core/src/animation/AnimatorStateTransition.ts, packages/core/src/animation/AnimatorState.ts Enhanced transition handling with the introduction of hasExitTime, refined state transition logic, and improved method signatures for clarity.
packages/core/src/animation/AnimatorStateTransitionCollection.ts Added AnimatorStateTransitionCollection class for centralized management of animator state transitions, including methods for adding, removing, and updating transitions.
tests/src/core/Animator.test.ts Introduced Entity class for state management, removed outdated transition time calculations, and added new tests for validating transition behaviors.

Sequence Diagram(s)

sequenceDiagram
    participant Animator
    participant AnimatorStateMachine
    participant AnimatorStateTransition

    Animator->>AnimatorStateMachine: Request transition
    AnimatorStateMachine->>AnimatorStateTransition: Check hasExitTime
    alt hasExitTime is true
        AnimatorStateTransition->>AnimatorStateMachine: Retrieve exit time
        AnimatorStateMachine->>AnimatorStateTransition: Determine transition order
    else hasExitTime is false
        AnimatorStateTransition->>AnimatorStateMachine: Add transition to front
    end
    AnimatorStateMachine->>Animator: Execute transition

🐇 In the world of hops and leaps,
New transitions dance and sweep.
With exit times now clear and bright,
Our animations take to flight!
So let us cheer, with joy and glee,
For smoother moves, oh what a spree! 🎉


Recent review details **Configuration used: CodeRabbit UI** **Review profile: CHILL**
Commits Files that changed from the base of the PR and between 0027bbecbdbb0a6b474c2dd7f7939a56b05d4408 and e684bd16d01e2927c5b572b004c074ebf5f9dd36.
Files selected for processing (1) * packages/core/src/animation/Animator.ts (19 hunks)
Files skipped from review as they are similar to previous changes (1) * packages/core/src/animation/Animator.ts
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