Codetown ::: a software developer's community
Hi to all;
I try to program " tetris game "
First i did the point about :
Cube Block falling to the floor and another one appear then falling also but my problem is whe cube block fall and there is another one the floor the falling mix with the one on the floor !!!
Although i make a conditon that prevent mixing.
from here http://www.mediafire.com/?khg2p2mlpxpixz6 you can download my code .
There is there package in package TetrisView There is class TetrisCell which have the problem in method moveBlockVerticle()();
you will fin dthis code in it for prevent mixing bloks :
if (tetrisBlockShapesEnum == tetrisBlockShapesEnum.CUBE_BLOCK && nextRow - 2 == blockData.getPoint().getX()
|| tetrisBlockShapesEnum == tetrisBlockShapesEnum.I_BOLCK && nextRow - 4 == blockData.getPoint().getX()) {
canDraw = false;
} else {
canDraw = true;
}
but also the cude block mix !!!!
why this !!!
I hope to help me
thanks in advnce
Tags:
Codetown is a social network. It's got blogs, forums, groups, personal pages and more! You might think of Codetown as a funky camper van with lots of compartments for your stuff and a great multimedia system, too! Best of all, Codetown has room for all of your friends.
Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.
Check out the Codetown Jobs group.

Announced at WWDC 2026, the latest SwiftUI release brings a new Document protocol for efficient disk access and snapshot-based updates, along with improved APIs for reordering items in lists, grids, and sections. In addition, it expands presentation features, such as swipe actions on any view, better AsyncImage caching, and lazy state initialization for Observable types to boost performance.
By Sergio De Simone
A company shifted from project- to product-thinking after their platform outgrew single-team use. The limitations that they felt with their platform were one-off deliveries, lack of product vision, and weak feedback loops. They have moved toward a self-service, API-driven, multi-tenant infrastructure with clearer ownership and better abstractions.
By Ben Linders
Apple chose Google Cloud to run Private Cloud Compute outside its own data centers for the first time, using NVIDIA Blackwell GPUs, Intel TDX, and Google's Titan chip. Apple maintains an independent append-only hardware ledger and dual-vendor attestation roots. AWS and Azure are not part of the collaboration.
By Steef-Jan Wiggers
The speakers discuss Netflix’s architecture for surviving extreme traffic spikes. They explain the mechanics of prioritized load shedding embedded in their Envoy sidecar proxy, allowing user-initiated requests to steal capacity from non-critical traffic. They share automated platform strategies for continuous chaos load testing, config generation, and retry storm mitigation.
By Anirudh Mendiratta, Benjamin Fedorka
Instacart redesigned its personalized marketing system using a configuration-driven multi-tenant architecture on Storefront Pro. The system replaces retailer-specific implementations with a shared execution engine, enabling scalable personalization, faster configuration propagation in under a minute, and 99.9% delivery success across hundreds of retail banners through a unified campaign platform.
By Leela Kumili
© 2026 Created by Michael Levin.
Powered by