+++ /dev/null
-;;; guile-irrlicht --- FFI bindings for Irrlicht Engine
-;;; Copyright (C) 2020 Javier Sancho <jsf@jsancho.org>
-;;;
-;;; This file is part of guile-irrlicht.
-;;;
-;;; Guile-irrlicht is free software; you can redistribute it and/or modify
-;;; it under the terms of the GNU Lesser General Public License as
-;;; published by the Free Software Foundation; either version 3 of the
-;;; License, or (at your option) any later version.
-;;;
-;;; Guile-irrlicht is distributed in the hope that it will be useful, but
-;;; WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-;;; General Public License for more details.
-;;;
-;;; You should have received a copy of the GNU Lesser General Public
-;;; License along with guile-irrlicht. If not, see
-;;; <http://www.gnu.org/licenses/>.
-
-
-;;; Irrlicht 04.Movement example
-;;; http://irrlicht.sourceforge.net/docu/example004.html
-
-
-(use-modules (irrlicht)
- (ice-9 match))
-
-;; ask user for driver
-(format #t
- "Please select the driver you want for this example:
- (a) OpenGL 1.5
- (b) Direct3D 9.0c
- (c) Direct3D 8.1
- (d) Burning's Software Renderer
- (e) Software Renderer
- (f) NullDevice
- (otherKey) exit~%~%")
-
-(define device-type (match (read-char)
- (#\a 'opengl)
- (#\b 'direct3d9)
- (#\c 'direct3d8)
- (#\d 'burnings)
- (#\e 'software)
- (#\f 'null)
- (_ #f)))
-
-(when (not device-type)
- (exit #f))
-
-;; create event receiver
-(define key-is-down '())
-(define (is-key-down? key-code)
- (assoc-ref key-is-down key-code))
-
-(define (on-event event)
- (if (equal? (event-type event) 'key-input-event)
- (set! key-is-down
- (assoc-set! key-is-down
- (event-key-input-key event)
- (event-key-input-pressed event))))
- #f)
-
-(define receiver (make-event-receiver on-event))
-
-;; create device
-(define device
- (create-device
- #:device-type device-type
- #:window-size '(640 480)
- #:receiver receiver))
-(when (not device)
- (exit #f))
-
-(define driver (get-video-driver device))
-(define scene-manager (get-scene-manager device))
-(define gui-env (get-gui-environment device))
-
-;; create the node which will be moved with the WSAD keys
-(define ball (add-sphere-scene-node! scene-manager))
-(set-position! ball '(0 0 30))
-(set-material-texture! ball 0 (get-texture driver "media/wall.bmp"))
-(set-material-flag! ball 'lighting #f)
-
-;; create another node, movable using a scene node animator
-(let ((cube (add-cube-scene-node! scene-manager))
- (anim (create-fly-circle-animator scene-manager #:center '(0 0 30) #:radius 20)))
- (set-material-texture! cube 0 (get-texture driver "media/t351sml.jpg"))
- (set-material-flag! cube 'lighting #f)
- (add-animator! cube anim)
- (drop! anim))
-
-;; another scene with a b3d model and a 'fly straight' animator
-(let ((ninja (add-animated-mesh-scene-node!
- scene-manager (get-mesh scene-manager "media/ninja.b3d")))
- (anim (create-fly-straight-animator
- scene-manager '(100 0 60) '(-100 0 60) 3500 #:loop #t)))
- (add-animator! ninja anim)
- (drop! anim)
-
- ;; make the model look right
- (set-material-flag! ninja 'lighting #f)
- (set-frame-loop! ninja 0 13)
- (set-animation-speed! ninja 15)
- (set-scale! ninja '(2 2 2))
- (set-rotation! ninja '(0 -90 0)))
-
-;; create a first person shooter camera
-(add-camera-scene-node-fps! scene-manager)
-(set-visible! (get-cursor-control device) #f)
-
-;; colorful irrlicht logo
-(add-image! gui-env (get-texture driver "media/irrlichtlogoalpha2.tga") '(10 20))
-(let ((diagnostics (add-static-text! gui-env "" '(10 10 400 20))))
- (set-override-color! diagnostics '(255 255 255 0)))
-
-;; game loop
-(let ((timer (get-timer device))
- (driver-name (get-name driver)))
- (let ((last-fps -1)
- (then (get-time timer))
- (movement-speed 5))
- (while (run device)
- (let* ((now (get-time timer))
- (frame-delta-time (/ (- now then) 1000)))
- (set! then now)
-
- ;; check if W, S, A or D are pressed
- (let* ((node-position (get-position ball))
- (pos-x (car node-position))
- (pos-y (cadr node-position))
- (pos-z (caddr node-position)))
- (if (is-key-down? 'key-w)
- (set! pos-y (+ pos-y (* movement-speed frame-delta-time))))
- (if (is-key-down? 'key-s)
- (set! pos-y (- pos-y (* movement-speed frame-delta-time))))
- (if (is-key-down? 'key-a)
- (set! pos-x (- pos-x (* movement-speed frame-delta-time))))
- (if (is-key-down? 'key-d)
- (set! pos-x (+ pos-x (* movement-speed frame-delta-time))))
- (set-position! ball (list pos-x pos-y pos-z))))
-
- (begin-scene driver #:color '(255 113 113 133))
- (draw-all scene-manager)
- (draw-all gui-env)
- (end-scene driver)
-
- (let ((fps (get-fps driver)))
- (when (not (= last-fps fps))
- (let ((caption
- (format #f "Movement Example - Irrlicht Engine [~a] fps: ~a" driver-name fps)))
- (set-window-caption! device caption))
- (set! last-fps fps))))))
-
-;; delete device
-(drop! device)
-(exit #t)
projects / guile-irrlicht.git / blobdiff