Update of /project/cello/cvsroot/cello/kt-opengl In directory clnet:/tmp/cvs-serv3716

Added Files: kt-opengl-gears.lisp Log Message: Non-working (!!!) first Commit to CVS.

--- /project/cello/cvsroot/cello/kt-opengl/kt-opengl-gears.lisp 2006/08/26 16:03:57 NONE +++ /project/cello/cvsroot/cello/kt-opengl/kt-opengl-gears.lisp 2006/08/26 16:03:57 1.1 ;;;; -*- Mode: lisp; indent-tabs-mode: nil -*- ;;; gears.lisp --- Celtk/Togl version of cl-opengl Lisp version of gears.c (GLUT Mesa demos). ;;; ;;; Simple program with rotating 3-D gear wheels.

(defpackage :gears (:use :common-lisp :clos :utils-kt :cells :celtk :cello))

(in-package :gears)

(defvar *startx*) (defvar *starty*) (defvar *xangle0*) (defvar *yangle0*) (defvar *xangle*) (defvar *yangle*)

(defparameter *vTime* 100)

(defun gears () ;; ACL project manager needs a zero-argument function, in project package (let ((*startx* nil) (*starty* nil) (*xangle0* nil) (*yangle0* nil) (*xangle* 0.2) (*yangle* 0.0)) (test-window 'gears-demo)))

(defmodel gears-demo (window) ((gear-ct :cell t :initform (c-in 1) :accessor gear-ct :initarg :gear-ct) (scale :cell t :initform (c-in 1) :accessor scale :initarg :scale)) (:default-initargs :title$ "Rotating Gear Widget Test" :kids (c? (the-kids (mk-stack (:packing (c?pack-self "-side left -fill both")) (mk-label :text "Click and drag to rotate image") (mk-row () (mk-label :text "Spin delay (ms):") (mk-entry :id :vtime :md-value (c-in "10")) (mk-button-ex (" Quit " (tk-eval "destroy .")))) (make-instance 'gears :fm-parent *parent* :width 400 :height 400 :timer-interval (c? (let ((n$ (md-value (fm-other :vtime)))) (format nil "~a" (max 1 (or (parse-integer n$ :junk-allowed t) 0))))) :double 1 ;; "yes" :event-handler (c? (lambda (self xe) (case (tk-event-type (xsv type xe)) (:virtualevent (trc "canvas virtual" (xsv name xe))) (:buttonpress (RotStart self (xsv x-root xe) (xsv y-root xe))) (:motionnotify (RotMove self (xsv x-root xe) (xsv y-root xe))) (:buttonrelease (setf *startx* nil)))))))))))

(defun RotStart (self x y) (setf *startx* x) (setf *starty* y) (setf *xangle0* (rotx self)) (setf *yangle0* (roty self)))

(defun RotMove (self x y) (when *startx* (setf *xangle* (+ *xangle0* (- x *startx*))) (setf *yangle* (+ *yangle0* (- y *starty*))) (setf (rotx self) *xangle*) (setf (roty self) *yangle*)))

(defconstant +pif+ (coerce pi 'single-float))

(defmodel gears (togl) ((rotx :initform (c-in 40) :accessor rotx :initarg :rotx) (roty :initform (c-in 25) :accessor roty :initarg :roty) (rotz :initform (c-in 10) :accessor rotz :initarg :rotz) (gear1 :initarg :gear1 :accessor gear1 :initform (c_? (trc "making list!!!!! 1") (let ((dl (gl:gen-lists 1))) (gl:with-new-list (dl :compile) (gl:material :front :ambient-and-diffuse #(0.8 0.1 0.0 1.0)) (draw-gear 1.0 4.0 1.0 20 0.7)) dl))) (gear2 :initarg :gear2 :accessor gear2 :initform (c_? (let ((dl (gl:gen-lists 1))) (gl:with-new-list (dl :compile) (gl:material :front :ambient-and-diffuse #(0.0 0.8 0.2 1.0)) (draw-gear 0.5 2.0 2.0 10 0.7)) dl))) (gear3 :initarg :gear3 :accessor gear3 :initform (c_? (let ((dl (gl:gen-lists 1))) (gl:with-new-list (dl :compile) (gl:material :front :ambient-and-diffuse #(0.2 0.2 1.0 1.0)) (draw-gear 1.3 2.0 0.5 10 0.7)) dl)))

(angle :initform (c-in 0.0) :accessor angle :initarg :angle) (frame-count :cell nil :initform 0 :accessor frame-count) (t0 :cell nil :initform 0 :accessor t0) ; (width :initarg :wdith :initform 400 :accessor width) (height :initarg :wdith :initform 400 :accessor height)))

(defmethod togl-timer-using-class ((self gears)) (trc nil "enter gear timer" self (togl-ptr self) (get-internal-real-time)) (incf (^angle) 5.0) (Togl_PostRedisplay (togl-ptr self)) ;(loop until (zerop (ctk::Tcl_DoOneEvent 2))) )

(defmethod togl-create-using-class ((self gears)) (gl:light :light0 :position #(5.0 5.0 10.0 0.0)) (gl:enable :cull-face :lighting :light0 :depth-test) (gl:material :front :ambient-and-diffuse #(0.8 0.1 0.0 1.0)) (gl:enable :normalize) (truc self))

(defmethod togl-reshape-using-class ((self gears)) (trc "reshape") (truc self t) )

(defun truc (self &optional truly) (let ((width (Togl_width (togl-ptr self))) (height (Togl_height (togl-ptr self)))) (trc "enter gear reshape" self width (width self)) (gl:viewport 0 (- height (height self)) (width self) (height self)) (unless truly (gl:matrix-mode :projection) (gl:load-identity) (let ((h (/ height width))) (gl:frustum -1 1 (- h) h 5 60))) (progn (gl:matrix-mode :modelview) (gl:load-identity) (gl:translate 0 0 -30))))

(defmethod togl-display-using-class ((self gears) &aux (scale (scale (upper self gears-demo)))) (declare (ignorable scale))

(gl:clear-color 0 0 0 1) (gl:clear :color-buffer-bit :depth-buffer-bit)

(gl:with-pushed-matrix (gl:rotate (^rotx) 1 0 0) (gl:rotate (^roty) 0 1 0) (gl:rotate (^rotz) 0 0 1)

(gl:with-pushed-matrix (gl:translate -3 -2 0) (gl:rotate (^angle) 0 0 1) (gl:call-list (^gear1)))

(gl:with-pushed-matrix (gl:translate 3.1 -2 0) (gl:rotate (- (* -2 (^angle)) 9) 0 0 1) (gl:call-list (^gear2)))

(gl:with-pushed-matrix ; gear3 (gl:translate -3.1 4.2 0.0) (gl:rotate (- (* -2 (^angle)) 25) 0 0 1) (gl:call-list (^gear3))))

(Togl_SwapBuffers (togl-ptr self))

#+shhh (print-frame-rate self))

(defun draw-gear (inner-radius outer-radius width n-teeth tooth-depth) "Draw a gear." (declare (single-float inner-radius outer-radius width tooth-depth) (fixnum n-teeth)) (let ((r0 inner-radius) (r1 (- outer-radius (/ tooth-depth 2.0))) (r2 (+ outer-radius (/ tooth-depth 2.0))) (da (/ (* 2.0 +pif+) n-teeth 4.0))) (gl:shade-model :flat) (gl:normal 0 0 1) ;; Draw front face. (gl:with-primitives :quad-strip (dotimes (i (1+ n-teeth)) (let ((angle (/ (* i 2.0 +pif+) n-teeth))) (gl:vertex (* r0 (cos angle)) (* r0 (sin angle)) (* width 0.5)) (gl:vertex (* r1 (cos angle)) (* r1 (sin angle)) (* width 0.5)) (gl:vertex (* r0 (cos angle)) (* r0 (sin angle)) (* width 0.5)) (gl:vertex (* r1 (cos (+ angle (* 3 da)))) (* r1 (sin (+ angle (* 3 da)))) (* width 0.5))))) ;; Draw front sides of teeth. (gl:with-primitives :quads (dotimes (i n-teeth) (let ((angle (/ (* i 2.0 +pif+) n-teeth))) (gl:vertex (* r1 (cos angle)) (* r1 (sin angle)) (* width 0.5)) (gl:vertex (* r2 (cos (+ angle da))) (* r2 (sin (+ angle da))) (* width 0.5)) (gl:vertex (* r2 (cos (+ angle (* 2 da)))) (* r2 (sin (+ angle (* 2 da)))) (* width 0.5)) (gl:vertex (* r1 (cos (+ angle (* 3 da)))) (* r1 (sin (+ angle (* 3 da)))) (* width 0.5))))) (gl:normal 0 0 -1) ;; Draw back face. (gl:with-primitives :quad-strip (dotimes (i (1+ n-teeth)) (let ((angle (/ (* i 2.0 +pif+) n-teeth))) (gl:vertex (* r1 (cos angle)) (* r1 (sin angle)) (* width -0.5)) (gl:vertex (* r0 (cos angle)) (* r0 (sin angle)) (* width -0.5)) (gl:vertex (* r1 (cos (+ angle (* 3 da)))) (* r1 (sin (+ angle (* 3 da)))) (* width -0.5)) (gl:vertex (* r0 (cos angle)) (* r0 (sin angle)) (* width -0.5))))) ;; Draw back sides of teeth. (gl:with-primitives :quads (dotimes (i n-teeth) (let ((angle (/ (* i 2.0 +pif+) n-teeth))) (gl:vertex (* r1 (cos (+ angle (* 3 da)))) (* r1 (sin (+ angle (* 3 da)))) (* (- width) 0.5)) (gl:vertex (* r2 (cos (+ angle (* 2 da)))) (* r2 (sin (+ angle (* 2 da)))) (* (- width) 0.5)) (gl:vertex (* r2 (cos (+ angle da))) (* r2 (sin (+ angle da))) (* (- width) 0.5)) (gl:vertex (* r1 (cos angle)) (* r1 (sin angle)) (* (- width) 0.5))))) ;; Draw outward faces of teeth. (gl:with-primitives :quad-strip (dotimes (i n-teeth) (let ((angle (/ (* i 2.0 +pif+) n-teeth))) (gl:vertex (* r1 (cos angle)) (* r1 (sin angle)) (* width 0.5)) (gl:vertex (* r1 (cos angle)) (* r1 (sin angle)) (* (- width) 0.5)) (let* ((u (- (* r2 (cos (+ angle da))) (* r1 (cos angle)))) (v (- (* r2 (sin (+ angle da))) (* r1 (sin angle)))) (len (sqrt (+ (* u u) (* v v))))) (setq u (/ u len)) (setq v (/ u len)) (gl:normal v (- u) 0.0) (gl:vertex (* r2 (cos (+ angle da))) (* r2 (sin (+ angle da))) (* width 0.5)) (gl:vertex (* r2 (cos (+ angle da))) (* r2 (sin (+ angle da))) (* (- width) 0.5)) (gl:normal (cos angle) (sin angle) 0.0) (gl:vertex (* r2 (cos (+ angle (* 2 da)))) (* r2 (sin (+ angle (* 2 da)))) (* width 0.5)) (gl:vertex (* r2 (cos (+ angle (* 2 da)))) (* r2 (sin (+ angle (* 2 da)))) (* (- width) 0.5)) (setq u (- (* r1 (cos (+ angle (* 3 da)))) (* r2 (cos (+ angle (* 2 da)))))) (setq v (- (* r1 (sin (+ angle (* 3 da)))) (* r2 (sin (+ angle (* 2 da)))))) (gl:normal v (- u) 0.0) (gl:vertex (* r1 (cos (+ angle (* 3 da)))) (* r1 (sin (+ angle (* 3 da)))) (* width 0.5)) (gl:vertex (* r1 (cos (+ angle (* 3 da)))) (* r1 (sin (+ angle (* 3 da)))) (* (- width) 0.5)) (gl:normal (cos angle) (sin angle) 0.0)))) (gl:vertex (* r1 (cos 0)) (* r1 (sin 0)) (* width 0.5)) (gl:vertex (* r1 (cos 0)) (* r1 (sin 0)) (* (- width) 0.5))) ;; Draw inside radius cylinder. (gl:shade-model :smooth) (gl:with-primitives :quad-strip (dotimes (i (1+ n-teeth)) (let ((angle (/ (* i 2.0 +pif+) n-teeth))) (gl:normal (- (cos angle)) (- (sin angle)) 0.0) (gl:vertex (* r0 (cos angle)) (* r0 (sin angle)) (* (- width) 0.5)) (gl:vertex (* r0 (cos angle)) (* r0 (sin angle)) (* width 0.5)))))))

(defun print-frame-rate (window) (with-slots (frame-count t0) window (incf frame-count) (let ((time (get-internal-real-time))) (when (= t0 0) (setq t0 time)) (when (>= (- time t0) (* 5 internal-time-units-per-second)) (let* ((seconds (/ (- time t0) internal-time-units-per-second)) (fps (/ frame-count seconds))) (declare (ignorable fps)) #+shh (format *terminal-io* "~D frames in ~3,1F seconds = ~6,3F FPS~%" frame-count seconds fps)) (setq t0 time) (setq frame-count 0)))))