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-rw-r--r--examples/transition.scm45
1 files changed, 45 insertions, 0 deletions
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+;;; Sly
+;;; Copyright (C) 2014 David Thompson <dthompson2@worcester.edu>
+;;;
+;;; 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
+;;; <http://www.gnu.org/licenses/>.
+
+(use-modules (sly game)
+ (sly sprite)
+ (sly vector)
+ (sly window)
+ (sly color)
+ (sly signal)
+ (sly texture)
+ (sly transition))
+
+(load "common.scm")
+
+(define texture (load-texture "images/p1_front.png"))
+
+(define sprite
+ (signal-map
+ (lambda (position color)
+ (make-sprite texture
+ #:position position
+ #:color color))
+ (transition #(32 240) #(608 240) 120
+ #:ease ease-in-out-quad)
+ (transition white tango-plum 120)))
+
+(add-hook! draw-hook (lambda (dt alpha)
+ (draw-sprite (signal-ref-maybe sprite))))
+
+(with-window (make-window #:title "Transitions")
+ (start-game-loop))