diff options
Diffstat (limited to '2d')
| -rw-r--r-- | 2d/tileset.scm | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/2d/tileset.scm b/2d/tileset.scm index e07336b..e3a97f0 100644 --- a/2d/tileset.scm +++ b/2d/tileset.scm @@ -47,8 +47,10 @@ (spacing tileset-spacing)) (define (split-texture texture width height margin spacing) - "Splits a texture into a vector of texture regions of width x height -size." + "Split TEXTURE into a vector of texture regions of WIDTH x HEIGHT +size. SPACING refers to the number of pixels separating each +tile. MARGIN refers to the number of pixels on the top and left of +TEXTURE before the first tile begins." (define (build-tile tx ty) (let* ((x (+ (* tx (+ width spacing)) margin)) (y (+ (* ty (+ height spacing)) margin))) @@ -62,8 +64,8 @@ size." (define* (make-tileset texture width height #:optional #:key (margin 0) (spacing 0)) - "Returns a new tileset that is built by splitting the given texture -into tiles." + "Return a new tileset that is built by splitting TEXTURE into +tiles." (let ((tiles (split-texture texture width height @@ -73,8 +75,8 @@ into tiles." (define* (load-tileset filename width height #:optional #:key (margin 0) (spacing 0)) - "Returns a new tileset that is built by loading the given texture -file and splitting the texture into tiles." + "Return a new tileset that is built by loading the texture at +FILENAME and splitting the texture into tiles." (let* ((tiles (split-texture (load-texture filename) width height @@ -83,5 +85,5 @@ file and splitting the texture into tiles." (%make-tileset tiles width height margin spacing))) (define (tileset-ref tileset i) - "Returns the tile at index i." + "Return the tile texture of TILESET at index I." (vector-ref (tileset-tiles tileset) i)) |