Add logo and input mappings to intro level.

game.scm

@@ -672,8 +672,30 @@
     (set-transform! context 1.0 0.0 0.0 1.0 0.0 0.0)
     (scale! context *canvas-scale* *canvas-scale*)
     (draw-current-effect 'pre)
+
     (match *state*
-      ((or 'play 'interstitial) (draw-level))
+      ((or 'play 'interstitial)
+       (draw-level)
+       ;; Display input mappings on the title screen/first level.
+       (when (= *level-idx* 0)
+         (let ((cx1 (/ game-width 4.0))
+               (cx2 (* game-width 0.75))
+               (baseline (/ game-height 2.0)))
+           (set-fill-color! context "#ffffff")
+           (set-text-align! context "center")
+           (set-font! context "normal 16px monogram")
+           (fill-text context "keyboard:"
+                      cx1 (- baseline 32.0))
+           (fill-text context "arrows -> move"
+                      cx1 (- baseline 16.0))
+           (fill-text context "Z -> undo"
+                      cx1 baseline)
+           (fill-text context "touchscreen:"
+                      cx2 (- baseline 32.0))
+           (fill-text context "dpad -> move"
+                      cx2 (- baseline 16.0))
+           (fill-text context "A -> undo"
+                      cx2 baseline))))
       ('win (draw-win)))
     (draw-current-effect 'post)
     (request-animation-frame draw-callback)))

modules/game/levels/tutorial-1.tmx

@@ -5,16 +5,16 @@
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