From d2a9d1132e1cb807fbb3e4132b67945f968ef5b7 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Wed, 16 Jan 2019 07:29:17 -0500
Subject: animate hero while solving

---
 src/sdl/draw.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/sdl/draw.c b/src/sdl/draw.c
index 322bd7a..762976f 100644
--- a/src/sdl/draw.c
+++ b/src/sdl/draw.c
@@ -137,6 +137,19 @@ draw_on_goal(
   return true;
 }
 
+static double
+get_home_angle(
+  const draw_ctx_t * const draw_ctx
+) {
+  if (draw_ctx->state == GAME_STATE_SOLVE) {
+    return 5 * sin(draw_ctx->ticks * M_2_PI / 2000.0);
+  } else if (sok_ctx_is_done(draw_ctx->ctx)) {
+    return 10 * sin(draw_ctx->ticks * M_2_PI / 1000.0);
+  } else {
+    return 0;
+  }
+}
+
 static bool
 draw_on_home(
   const sok_ctx_t * const ctx,
@@ -147,9 +160,8 @@ draw_on_home(
   UNUSED(ctx);
   UNUSED(has_goal);
   draw_ctx_t * const draw_ctx = data;
-  const double angle = sok_ctx_is_done(draw_ctx->ctx) ? (10 * sin(draw_ctx->ticks * M_2_PI / 1000.0)) : 0;
 
-  draw_cell(draw_ctx, pos, SPRITE_HOME, angle);
+  draw_cell(draw_ctx, pos, SPRITE_HOME, get_home_angle(draw_ctx));
 
   return true;
 }
-- 
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