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(define-module (bonnie-bee common)
#:use-module (bonnie-bee assets)
#:use-module (chickadee game-loop)
#:use-module (chickadee graphics color)
#:use-module (chickadee graphics viewport)
#:use-module (chickadee math vector)
#:use-module (chickadee scripting)
#:use-module (oop goops)
#:use-module (starling scene)
#:use-module (starling node)
#:use-module (starling node-2d)
#:export (%window-width
%window-height
%game-width
%game-height
set-cameras!
steps
fade-in
fade-out))
(define %window-width 960)
(define %window-height 720)
(define %game-width 320)
(define %game-height 240)
(define-method (set-cameras! (scene <scene-2d>))
(set! (cameras scene)
(list (make <camera-2d>
#:resolution (vec2 %game-width %game-height)
#:viewport (make-viewport 0 0 %window-width %window-height
#:clear-color black)))))
(define (steps n)
(* n (current-timestep)))
(define-method (fade-in (scene <scene-2d>) duration)
(let ((bg (make <sprite>
#:rank 999
#:texture darkness-image)))
(attach-to scene bg)
(tween duration 1.0 0.0
(lambda (a)
(set! (tint bg) (transparency a))))
(detach bg)))
(define-method (fade-out (scene <scene-2d>) duration)
(let ((bg (make <sprite>
#:rank 999
#:texture darkness-image)))
(attach-to scene bg)
(tween duration 0.0 1.0
(lambda (a)
(set! (tint bg) (transparency a))))
(detach bg)))
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