From: Javier Sancho Date: Fri, 5 Aug 2016 23:12:29 +0000 (+0200) Subject: First reactive example X-Git-Url: https://git.jsancho.org/?a=commitdiff_plain;h=22e3dfd1d4f268023ee5c0351eb25e409520004a;p=gacela.git First reactive example --- diff --git a/examples/fran.scm b/examples/fran.scm new file mode 100644 index 0000000..b857208 --- /dev/null +++ b/examples/fran.scm @@ -0,0 +1,35 @@ +;;; Gacela, a GNU Guile extension for fast games development +;;; Copyright (C) 2016 by Javier Sancho Fernandez +;;; +;;; This program is free software: you can redistribute it and/or modify +;;; it under the terms of the GNU General Public License as published by +;;; the Free Software Foundation, either version 3 of the License, or +;;; (at your option) any later version. +;;; +;;; This program is distributed in the hope that it will be useful, +;;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with this program. If not, see . + +(use-modules (gacela)) + + +;;; Reactive positions + +(define PI 3.14159265) +(define (waggle) (cos (* PI (current-time)))) +(define (wiggle) (sin (* PI (current-time)))) + + +;;; First example + +(define charlotte (importBitmap "charlotte.bmp")) +(define leftRightCharlotte (moveXY wiggle 0 charlotte)) +(leftRightCharlotte) + +(define pat (importBitmap "pat.bmp")) +(define upDownPat (moveXY 0 waggle pat)) +(upDownPat)