(zoomSurface surface zoomx zoomy 0))))))
(define* (load-texture filename #:key (min-filter GL_LINEAR) (mag-filter GL_LINEAR))
- (progn-textures
- (receive
- (image real-w real-h) (load-image-for-texture filename)
- (cond (image
- (let ((width (surface-w image)) (height (surface-h image))
- (byteorder (if (= SDL_BYTEORDER SDL_LIL_ENDIAN)
- (if (= (surface-format-BytesPerPixel image) 3) GL_BGR GL_BGRA)
- (if (= (surface-format-BytesPerPixel image) 3) GL_RGB GL_RGBA)))
- (texture (car (glGenTextures 1))))
-
- (glBindTexture GL_TEXTURE_2D texture)
- (glTexImage2D GL_TEXTURE_2D 0 4 width height 0 byteorder GL_UNSIGNED_BYTE (surface-pixels image))
- (glTexParameteri GL_TEXTURE_2D GL_TEXTURE_MIN_FILTER min-filter)
- (glTexParameteri GL_TEXTURE_2D GL_TEXTURE_MAG_FILTER mag-filter)
- (set-texture-size! texture real-w real-h)
- texture))))))
+ (let* ((key (list filename min-filter mag-filter))
+ (res (get-resource-from-cache key)))
+ (cond (res res)
+ (else
+ (progn-textures
+ (receive
+ (image real-w real-h) (load-image-for-texture filename)
+ (cond (image
+ (let ((width (surface-w image)) (height (surface-h image))
+ (byteorder (if (= SDL_BYTEORDER SDL_LIL_ENDIAN)
+ (if (= (surface-format-BytesPerPixel image) 3) GL_BGR GL_BGRA)
+ (if (= (surface-format-BytesPerPixel image) 3) GL_RGB GL_RGBA)))
+ (texture (car (glGenTextures 1))))
+
+ (glBindTexture GL_TEXTURE_2D texture)
+ (glTexImage2D GL_TEXTURE_2D 0 4 width height 0 byteorder GL_UNSIGNED_BYTE (surface-pixels image))
+ (glTexParameteri GL_TEXTURE_2D GL_TEXTURE_MIN_FILTER min-filter)
+ (glTexParameteri GL_TEXTURE_2D GL_TEXTURE_MAG_FILTER mag-filter)
+ (set-texture-size! texture real-w real-h)
+ (insert-resource-into-cache key texture)
+ texture)))))))))
(define* (draw-image filename #:optional (zoom 1))
(let ((texture (load-texture filename)))
(draw-rectangle (* zoom width) (* zoom height) #:texture texture)))))
(define* (draw-line length #:optional color)
- (let ((l
- (cond (color
- (with-color color (draw v1 v2)))
- (else
- (draw v1 v2))))
+ (let ((l (/ length 2)))
+ (cond (color
+ (with-color color (draw (list 0 l) (list 0 (- l)))))
+ (else
+ (draw (list 0 l) (list 0 (- l)))))))
(define* (draw-quad v1 v2 v3 v4 #:key texture color)
(cond (texture