1 files changed, 0 insertions, 92 deletions
diff --git a/src/core/affine.lisp b/src/core/affine.lisp
deleted file mode 100644
index 671c184..0000000
--- a/src/core/affine.lisp
+++ /dev/null
@@ -1,92 +0,0 @@
-;;;; affine.lisp
-
-(in-package #:wheelwork)
-
-(defclass/std affine (unit)
-  ((cached-model cached-projected-matrix cached-application cached-rectangle :a)
-   (base-width base-height :r :std 1.0 :doc "Determined by content.")
-   (scale-x scale-y :std 1.0)
-   (rotation x y :std 0.0)))
-
-(defmethod (setf closer-mop:slot-value-using-class) :after
-    (newval class (affine affine) slot)
-  (case (closer-mop:slot-definition-name slot)
-    ((x y scale-x scale-y rotation)
-     (setf (cached-model affine) nil
-           (cached-projected-matrix affine) nil
-           (cached-rectangle affine) nil))))
-
-(defun scale-by (affine amount)
-  (with-accessors ((sx scale-x) (sy scale-y)) affine
-    (setf sx (* amount sx)
-          sy (* amount sy))))
-
-(defun set-width-preserve-aspect (affine new-width)
-  (scale-by affine (/ new-width (width affine))))
-
-(defun set-height-preserve-aspect (affine new-height)
-  (scale-by affine (/ new-height (height affine) )))
-
-(defmethod width ((affine affine))
-  (with-slots (scale-x base-width) affine
-    (* scale-x base-width)))
-
-(defmethod height ((affine affine))
-  (with-slots (scale-y base-height) affine
-    (* scale-y base-height)))
-
-(defmethod (setf width) (newval (affine affine))
-  (with-slots (scale-x base-width) affine
-    (setf scale-x (coerce (/ newval base-width) 'single-float))))
-
-(defmethod (setf height) (newval (affine affine))
-  (with-slots (scale-y base-height) affine
-    (setf scale-y (coerce (/ newval base-height) 'single-float))))
-
-(defmethod model-matrix :around ((u affine))
-  (or (cached-model u)
-      (setf (cached-model u)
-            (call-next-method))))
-
-(defmethod model-matrix ((u affine))
-  (let ((m (mat:meye 4)))
-    (with-slots (x y base-width scale-x base-height scale-y rotation) u 
-      (let ((uw (* base-width scale-x))
-            (uh (* base-height scale-y)))
-        (mat:nmtranslate m (vec:vec x y 0.0))
-
-        (mat:nmtranslate m (vec:v* 0.5 (vec:vec uw uh 0.0)))
-        (mat:nmrotate  m vec:+vz+ rotation)
-        (mat:nmtranslate m (vec:v* -0.5 (vec:vec uw uh 0.0)))
-        
-        (mat:nmscale m (vec:vec uw uh 1.0))))
-    m))
-
-
-(defun projected-matrix (affine)
-  (or (cached-projected-matrix affine)
-      (setf (cached-projected-matrix affine)
-            (mat:marr (mat:m* (application-projection (app-of-unit affine))
-                              (model-matrix affine))))))
-
-(defmethod get-rect ((affine-unit affine))
-  (or (cached-rectangle affine-unit)
-      (setf (cached-rectangle affine-unit)
-            (with-accessors ((x x) (y y) (w width) (h height) (r rotation)) affine-unit
-              (let ((m
-                      (mat:meye 4))
-                    (tr
-                      (vec:vec (+ x (* 0.5 w)) (+ y (* 0.5 h)) 0.0)))
-                (mat:nmtranslate m tr)
-                (mat:nmrotate  m vec:+vz+ r)
-                (mat:nmtranslate m (vec:v* -1.0 tr))
-                
-                (list (mat:m* m (vec:vec x y 0.0 1.0))
-                      (mat:m* m (vec:vec x (+ y h) 0.0 1.0))
-                      (mat:m* m (vec:vec (+ x w) (+ y h) 0.0 1.0))
-                      (mat:m* m (vec:vec (+ x w) y 0.0 1.0))
-                      (mat:m* m (vec:vec x y 0.0 1.0))))))))
-
-(defun  units-intersect-p (au1 au2)
-  "Returns T if the two units AU1 an AU2 intersect. Both must implement GET-RECT."
-  (paths-intersect-p (get-rect au1) (get-rect au2)))