| Summary: | NullPointerException when the pieces fill the playing field | ||
|---|---|---|---|
| Product: | Group16_Tetris Fighter | Reporter: | ywyim5-c |
| Component: | GameController | Assignee: | Ashley <tecchk.cy> |
| Status: | CONFIRMED --- | ||
| Severity: | major | CC: | lfeng23-c |
| Priority: | High | ||
| Version: | V2 | ||
| Hardware: | PC | ||
| OS: | Windows | ||
| Deadline: | 2020-10-30 | ||
| Attachments: | Screenshot of the bug of null pointer | ||
The exception was caused by the wrong logic. To solve this exception, we swap the following two lines of code. this.logicTimer = new Clock(gameSpeed); pc = new PieceController(this); The exception was caused by the wrong logic. To solve this exception, we swap the following two lines of code. this.logicTimer = new Clock(gameSpeed); pc = new PieceController(this); |
Created attachment 52 [details] Screenshot of the bug of null pointer Overview: There would be a null pointer exception when the pieces reach the top of the playing field in BoardPanel, and the page for the game over won't display as expected. Steps to reproduce: Step1: run the main function in the Main class Step2: continuously play the game until the pieces reach the top Step3: the error would occur. Actual Results: Exception in thread "main": java.lang.NullPointerException at gui.pieceController.spawnPiece Expected Results: The 'Game Over' page should be shown and no error would occur. Build Date & Hardware: Build 2020-10-9 on Mac OS Catalina 10.15.6 Additional Builds and Platforms: Build 2020-10-11 on Mac OS Catalina 10.15.6