diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/action.scm | 75 | ||||
| -rw-r--r-- | examples/animation.scm | 45 | ||||
| -rw-r--r-- | examples/coroutine.scm | 69 | ||||
| -rw-r--r-- | examples/font.scm | 52 | ||||
| -rw-r--r-- | examples/particles.scm | 64 | ||||
| -rw-r--r-- | examples/tilemap.scm | 30 |
6 files changed, 141 insertions, 194 deletions
diff --git a/examples/action.scm b/examples/action.scm index dab15c1..c0d96b5 100644 --- a/examples/action.scm +++ b/examples/action.scm @@ -1,46 +1,39 @@ -(use-modules (2d sprite) - (2d game-loop) - (2d window) - (2d helpers) +(use-modules (2d actions) (2d agenda) (2d coroutine) - (2d actions) + (2d game) + (2d sprite) (2d vector2)) -(define window-width 800) -(define window-height 600) - -;; Open the window. -(open-window window-width window-height) - -;; Load a sprite and center it on the screen. -(define sprite +(define (demo-sprite) (load-sprite "images/sprite.png" - #:position (vector2 (/ window-width 2) - (/ window-height 2)))) - -(define (key-down key mod unicode) - (cond ((any-equal? key 'escape 'q) - (close-window) - (quit)))) - -;; Draw our sprite -(define (render) - (draw-sprite sprite)) - -;; Register callbacks. -(add-hook! on-render-hook (lambda () (render))) -(add-hook! on-key-down-hook (lambda (key mod unicode) (key-down key mod unicode))) - -(schedule-action - (action-parallel - ;; Move horizontally across the screen in 60 frames. - (lerp (lambda (x) - (set-sprite-position! sprite (vector2 x (/ window-height 2)))) - 0 800 60) - ;; Rotate 1080 degrees in 120 frames. - (lerp (lambda (angle) - (set-sprite-rotation! sprite angle)) - 0 1080 60))) - -(run-game-loop) + #:position (vector2 320 240))) + +(define (start sprite) + (let ((size (game-resolution actions))) + (schedule-action + (action-parallel + ;; Move horizontally across the screen in 60 frames. + (lerp (lambda (x) + (set-sprite-position! + sprite + (vector2 x (/ (vy size) 2)))) + 0 (vx size) 120) + ;; Rotate 1080 degrees in 120 frames. + (lerp (lambda (angle) + (set-sprite-rotation! sprite angle)) + 0 360 120))))) + +(define-scene demo + #:title "Demo" + #:draw (lambda (sprite) (draw-sprite sprite)) + #:events (append + (default-scene-events) + `((start . ,(lambda (sprite) (start sprite))))) + #:state (demo-sprite)) + +(define-game actions + #:title "actions" + #:first-scene demo) + +(run-game actions) diff --git a/examples/animation.scm b/examples/animation.scm index 0e58b8e..c165568 100644 --- a/examples/animation.scm +++ b/examples/animation.scm @@ -1,33 +1,13 @@ (use-modules (2d animation) - (2d game-loop) - (2d helpers) + (2d game) (2d sprite) (2d tileset) (2d vector2) (2d window)) -(define window-width 800) -(define window-height 600) - -;; Open the window. -(open-window window-width window-height) - -(define (key-down key mod unicode) - (cond ((any-equal? key 'escape 'q) - (close-window) - (quit)))) - -;; Draw our sprite -(define (render) - (draw-sprite sprite)) - -;; Register callbacks. -(add-hook! on-render-hook (lambda () (render))) -(add-hook! on-key-down-hook (lambda (key mod unicode) (key-down key mod unicode))) - -;; Load a texture, split it into 64x64 tiles, and build an animated -;; sprite out of it. -(define animation +(define (demo-animation) + "Load a texture, split it into 64x64 tiles, and build an animated +sprite out of it." (let* ((tiles (load-tileset "images/princess.png" 64 64)) (frames (vector (tileset-ref tiles 19) (tileset-ref tiles 20) @@ -39,10 +19,17 @@ (tileset-ref tiles 26)))) (make-animation frames 6 #t))) -(define sprite - (make-sprite animation - #:position (vector2 (/ window-width 2) - (/ window-height 2)))) +(define (demo-sprite) + (make-sprite (demo-animation) + #:position (vector2 320 240))) + +(define-scene demo + #:title "Demo" + #:draw (lambda (sprite) (draw-sprite sprite)) + #:state (demo-sprite)) +(define-game animation + #:title "Animation" + #:first-scene demo) -(run-game-loop) +(run-game animation) diff --git a/examples/coroutine.scm b/examples/coroutine.scm index 0a4d000..7fc3c2b 100644 --- a/examples/coroutine.scm +++ b/examples/coroutine.scm @@ -1,42 +1,35 @@ -(use-modules (2d sprite) - (2d game-loop) - (2d window) - (2d helpers) - (2d agenda) +(use-modules (2d agenda) (2d coroutine) + (2d game) + (2d sprite) (2d vector2)) -(define window-width 800) -(define window-height 600) - -;; Open the window. -(open-window window-width window-height) - -(define sprite +(define (demo-sprite) (load-sprite "images/sprite.png" - #:position (vector2 (/ window-width 2) - (/ window-height 2)))) - -(define (key-down key mod unicode) - (cond ((any-equal? key 'escape 'q) - (close-window) - (quit)))) - -;; Draw our sprite -(define (render) - (draw-sprite sprite)) - -;; Register callbacks. -(add-hook! on-render-hook (lambda () (render))) -(add-hook! on-key-down-hook (lambda (key mod unicode) (key-down key mod unicode))) - -;; Simple script that moves the sprite to a random location every -;; second. -(agenda-schedule - (colambda () - (while #t - (set-sprite-position! sprite (vector2 (random window-width) - (random window-height))) - (wait 60)))) - -(run-game-loop) + #:position (vector2 320 240))) + +(define (start sprite) + ;; Simple script that moves the sprite to a random location every + ;; second. + (agenda-schedule + (colambda () + (while #t + (set-sprite-position! + sprite + (vector2 (random (vx (game-resolution coroutines))) + (random (vy (game-resolution coroutines))))) + (wait 60))))) + +(define-scene demo + #:title "Demo" + #:draw (lambda (sprite) (draw-sprite sprite)) + #:events (append + (default-scene-events) + `((start . ,(lambda (sprite) (start sprite))))) + #:state (demo-sprite)) + +(define-game coroutines + #:title "Coroutines" + #:first-scene demo) + +(run-game coroutines) diff --git a/examples/font.scm b/examples/font.scm index 680d4e6..aed6131 100644 --- a/examples/font.scm +++ b/examples/font.scm @@ -1,41 +1,25 @@ -(use-modules (figl gl) +(use-modules (srfi srfi-9) + (figl gl) (2d color) - (2d game-loop) - (2d window) - (2d helpers) (2d font) + (2d game) (2d vector2)) -(define window-width 800) -(define window-height 600) -(define font (load-font "fonts/Boxy-Bold.ttf" 48)) -(define text "The quick brown fox jumped over the lazy dog.") -(define textbox (make-textbox font text (vector2 320 300) white 'left 200)) +(define (demo-textbox) + (make-textbox (load-font "fonts/Boxy-Bold.ttf" 48) + "The quick brown fox jumped over the lazy dog." + (vector2 240 160) + white + 'left + 200)) -;; Open the window. -(open-window window-width window-height) +(define-scene demo + #:title "Demo" + #:draw (lambda (textbox) (draw-textbox textbox)) + #:state (demo-textbox)) -(define (quit-demo) - (close-window) - (quit)) +(define-game fonts + #:title "Fonts" + #:first-scene demo) -(define (key-down key mod unicode) - (cond ((any-equal? key 'escape 'q) - (quit-demo)))) - -;; Draw our sprite -(define (render) - (let ((fps (floor (inexact->exact (current-fps))))) - (with-gl-push-matrix - (use-color white) - (draw-font font (format #f "FPS: ~d" fps)))) - (draw-textbox textbox)) - -;; Register callbacks. -(add-hook! on-quit-hook (lambda () (quit-demo))) -(add-hook! on-render-hook (lambda () (render))) -(add-hook! on-key-down-hook (lambda (key mod unicode) (key-down key mod unicode))) - -;; Start the game loop. -;; The render callback will be called through this procedure. -(run-game-loop) +(run-game fonts) diff --git a/examples/particles.scm b/examples/particles.scm index dfe3322..1c5a3db 100644 --- a/examples/particles.scm +++ b/examples/particles.scm @@ -1,12 +1,10 @@ ;; load the SDL module and some useful srfi's (use-modules (srfi srfi-1) (srfi srfi-9) - (2d game-loop) - (2d helpers) + (2d game) (2d sprite) (2d texture) - (2d vector2) - (2d window)) + (2d vector2)) (set! *random-state* (random-state-from-platform)) @@ -30,24 +28,23 @@ ;;; Demo ;;; -(define window-width 800) -(define window-height 600) +(define-record-type <demo-state> + (make-demo-state stars particles) + demo-state? + (stars demo-stars) + (particles demo-particles)) -(open-window window-width window-height) +(define (generate-particles n) + (let ((particle-image (load-texture "images/bullet.png")) + (game-size (game-resolution particles))) + (list-tabulate n (lambda (n) + (make-particle (make-sprite particle-image) + (vector2 (random (vx game-size)) + (random (vy game-size))) + (vector2 (* (random:normal) 1) + (* (random:normal) 1))))))) -(define stars (load-sprite "images/stars.png" #:anchor null-vector2)) -(define particle-image (load-texture "images/bullet.png")) -(define particle-width (texture-width particle-image)) -(define particle-height (texture-height particle-image)) (define particle-count 500) -(define particles - (list-tabulate particle-count - (lambda (n) - (make-particle (make-sprite particle-image) - (vector2 (random window-width) - (random window-height)) - (vector2 (* (random:normal) 1) - (* (random:normal) 1)))))) (define batch (make-sprite-batch (* particle-count 4))) (define (draw-particles particles) @@ -59,20 +56,23 @@ (draw-sprite sprite))) particles))) -(add-hook! on-render-hook (lambda () (render))) -(add-hook! on-update-hook (lambda () (update))) -(add-hook! on-key-down-hook (lambda (key mod unicode) (key-down key mod unicode))) +(define (draw state) + (draw-sprite (demo-stars state)) + (draw-particles (demo-particles state))) -(define (key-down key mod unicode) - (cond ((any-equal? key 'escape 'q) - (close-window) - (quit)))) +(define (update state) + (for-each update-particle! (demo-particles state))) -(define (render) - (draw-sprite stars) - (draw-particles particles)) +(define-scene demo + #:title "Demo" + #:draw (lambda (state) (draw state)) + #:update (lambda (state) (update state)) + #:state (make-demo-state (load-sprite "images/stars.png" + #:anchor null-vector2) + (generate-particles particle-count))) -(define (update) - (for-each update-particle! particles)) +(define-game particles + #:title "Particles" + #:first-scene demo) -(run-game-loop) +(run-game particles) diff --git a/examples/tilemap.scm b/examples/tilemap.scm index b64c04e..a60ee18 100644 --- a/examples/tilemap.scm +++ b/examples/tilemap.scm @@ -1,17 +1,11 @@ (use-modules (srfi srfi-1) (srfi srfi-9) (srfi srfi-42) - (2d game-loop) - (2d helpers) + (2d game) (2d texture) (2d tileset) (2d sprite) - (2d vector2) - (2d window)) - -(define window-width 800) -(define window-height 600) -(open-window window-width window-height) + (2d vector2)) ;;; ;;; Orthogonal tile map example @@ -87,17 +81,13 @@ tileset map-tiles)))) -(define map (build-map)) - -(define (key-down key mod unicode) - (cond ((any-equal? key 'escape 'q) - (close-window) - (quit)))) - -(define (render) - (draw-map-layer map)) +(define-scene demo + #:title "Demo" + #:draw (lambda (map) (draw-map-layer map)) + #:state (build-map)) -(add-hook! on-key-down-hook (lambda (key mod unicode) (key-down key mod unicode))) -(add-hook! on-render-hook (lambda () (render))) +(define-game tilemap + #:title "Tilemap" + #:first-scene demo) -(run-game-loop) +(run-game tilemap) |