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author | Colin Okay <colin@cicadas.surf> | 2022-07-19 06:48:39 -0500 |
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committer | Colin Okay <colin@cicadas.surf> | 2022-07-19 06:48:39 -0500 |
commit | 615c08f0f8fabd504b2bb076410d57dde7cfe34a (patch) | |
tree | db3c8b9a285550ba6ae07e82fe459585099eebea /examples/02-image-transforms-and-events.lisp | |
parent | ac967b3befc75c575a4191728469ee5c161dcde5 (diff) |
[example] updating names
Diffstat (limited to 'examples/02-image-transforms-and-events.lisp')
-rw-r--r-- | examples/02-image-transforms-and-events.lisp | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/examples/02-image-transforms-and-events.lisp b/examples/02-image-transforms-and-events.lisp new file mode 100644 index 0000000..bb348a1 --- /dev/null +++ b/examples/02-image-transforms-and-events.lisp @@ -0,0 +1,143 @@ +;;; 01-image-transforms-and-events.lisp + +(defpackage #:ww.examples/2 + (:use #:cl) + (:export #:start)) + +(in-package :ww.examples/2) + +(defclass image-transforms-etc (ww::application ) ()) + +(defvar *shared-anim-table* (make-hash-table :synchronized t)) + +(ww::defhandler move-thing + (ww::on-keydown () + "Move the target around, grow and shrink it. Print out its + position no matter what happens." + (case scancode + (:scancode-left (decf (ww::x target) 4)) + (:scancode-right (incf (ww::x target) 4)) + (:scancode-down (decf (ww::y target) 4)) + (:scancode-up (incf (ww::y target) 4)) + (:scancode-w (incf (ww::width target) 20)) + (:scancode-r (incf (ww::rotation target) (/ pi 3))) + (:scancode-l (decf (ww::rotation target) (/ pi 3))) + (:scancode-equals + (when (or (member :lshift modifiers) (member :rshift modifiers)) + (ww::scale-by target 1.10))) + (:scancode-minus + (ww::scale-by target 0.9))) + (format t "ghoul pos: ~a,~a~%" + (ww::x target) (ww::y target)))) + +(ww::defhandler animate-move-thing + (ww::on-keydown () + "If the target is not already involved in an animation, add a + perframe handler to the target that animates it to a new position." + (when (member scancode '(:scancode-left :scancode-right :scancode-down :scancode-up)) + (unless (gethash target *shared-anim-table*) + (setf (gethash target *shared-anim-table*) t) + (let* ((tx (ww::x target)) + (ty (ww::y target)) + (destx tx) + (desty ty) + (dx 0) + (dy 0)) + (case scancode + (:scancode-down (setf dy -1 desty (- ty (ww::height target)))) + (:scancode-up (setf dy 1 desty (+ ty (ww::height target)))) + (:scancode-left (setf dx -1 destx (- tx (ww::width target)))) + (:scancode-right (setf dx 1 destx (+ tx (ww::width target))))) + (ww::add-handler + target + (ww::on-perframe () + (with-accessors ((cx ww::x) (cy ww::y)) target + (if (and (= cx destx) (= cy desty)) + (progn + (remhash target *shared-anim-table*) + (ww::remove-handler target 'ww::perframe)) + (setf cx (+ cx dx) + cy (+ cy dy))))))))))) + + +(ww::defhandler thing-clicked + (ww::on-mousedown () + (format t "~a was clicked at ~a,~a!~%" target x y))) + +(ww::defhandler flip-on-click + (ww::on-mousedown () + (incf (ww::rotation target) (ww::radians 180) ))) + +(ww::defhandler twirl-on-click + (ww::on-mousedown () + (unless (gethash target *shared-anim-table*) + (let ((rot 0)) + (setf (gethash target *shared-anim-table*) t) + (ww::add-handler + target + (ww::on-perframe () + (if (< rot (* 8 pi)) + (setf rot (+ 0.3 rot) + (ww::rotation target) rot) + (progn + (setf (ww::rotation target) 0.0) + (ww::remove-handler target 'ww::perframe) + (remhash target *shared-anim-table*))))))))) + +(ww::defhandler mouse-over + (ww::on-mousemotion () + (print (list target x y xrel yrel state)))) + +(ww::defhandler look-at-me + (ww::on-focus () + (format t "~a got focus~%" target))) + +(ww::defhandler look-away + (ww::on-blur () + (format t "~a lost focus~%" target))) + +(ww::defhandler wheelie + (ww::on-mousewheel () + (print (list :mousewheel horiz vert dir)))) + +(defmethod ww::boot ((app image-transforms-etc)) + (let ((bm + (make-instance 'ww::image + :texture (ww::get-asset "Fezghoul.png"))) + (bm2 + (make-instance 'ww::image + :texture (ww::get-asset "GelatinousCube.png")))) + + (ww::add-handler app #'wheelie) + + ;; first + (ww::refocus-on bm) + (ww::add-handler bm #'animate-move-thing ) + (ww::add-handler bm #'thing-clicked) + (ww::add-handler bm #'mouse-over) + + ;;second + (setf (ww::x bm2) 90 + (ww::y bm2) 90) + (ww::add-handler bm2 #'move-thing) + (ww::add-handler bm2 #'twirl-on-click ) + (ww::add-handler bm2 #'look-at-me) + (ww::add-handler bm2 #'look-away) + (ww::add-handler bm2 #'wheelie) + + (ww::add-unit app bm) + (ww::add-unit app bm2))) + + +(defun start () + (ww::start (make-instance 'image-transforms-etc + :scale 2.0 + :fps 60 + :width 800 + :height 600 + :asset-root (merge-pathnames + "examples/" + (asdf:system-source-directory :wheelwork))))) + + + |