[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]

Re: [pygame] Float precision

To: pygame-users@xxxxxxxx
Subject: Re: [pygame] Float precision
From: "Ian Mallett" <geometrian@xxxxxxxxx>
Date: Wed, 2 Jul 2008 19:47:36 -0700
Delivered-to: archiver@xxxxxxxx
Delivered-to: pygame-users-outgoing@xxxxxxxx
Delivered-to: pygame-users@xxxxxxxx
Delivery-date: Wed, 02 Jul 2008 22:47:42 -0400
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:in-reply-to:mime-version:content-type:references; bh=Y7z51hegfL9SHUy6KLwfkxFbpfAZojaLR/oHnPdqTJo=; b=JJRtOZHCJjn5Bvy+/PYWCzeq5U0KwQJC4xmhpEGqoryGaDqRjdpSoE5HJ1MoGCZteQ bK/y6et1eiZxsqH5d2aYkH4ItFyf0BLlN/e3mjvROUROiZtxNE8ZfL/ktSe0nDg11WRh 0gQ2MAK5UYf4/MBsQmGlejcFYLYFZyi+liZ6k=
Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:in-reply-to:mime-version :content-type:references; b=nAuGOJC8iWJll2cqLuTwP3tmTdfUaR1MV9Duu2pef/g9t9QACYCGjTe9gwBP+Hv1MF QVY1jdAWVtL+nsd1E4pCEBo8Lmq54TlK8040+kFN1IXA4fIQUGc/3O4RQgfRpojkd7WZ SZqBxNGq1GpJb0/v4i1KE9G5Bx/FsQnGg51KM=
In-reply-to: <b3ce23290807021522l64504376w962a894986cef868@xxxxxxxxxxxxxx>
References: <b3ce23290807021522l64504376w962a894986cef868@xxxxxxxxxxxxxx>
Reply-to: pygame-users@xxxxxxxx
Sender: owner-pygame-users@xxxxxxxx

Try reversing the sin and cos. Cosine resolves x direction and Sine resolves y. You have it backwards. Also, if you want to flip the screen coordinates, the y must be negative.

You also might want to try working with the movements one at a time to isolate problems.

Ian

Follow-Ups:
- Re: [pygame] Float precision
  - From: Ian Mallett

References:
- [pygame] Float precision
  - From: OsKaR

Prev by Author: Re: [pygame] Mixer Quit / Restart
Next by Author: Re: [pygame] Float precision
Previous by thread: [pygame] Float precision
Next by thread: Re: [pygame] Float precision
Index(es):
- Author
- Thread