1 files changed, 29 insertions, 2 deletions

diff --git a/src/main.c b/src/main.c
index b2cc8f7..95f2628 100644
--- a/src/main.c
+++ b/src/main.c
@@ -78,10 +78,37 @@ static int _main_loop([[maybe_unused]] void *udata) {
 		return 1;
 
 	assert(TZR_DrawBegin() == 0);
-	TZR_DrawSetColor(0, 0, 0);
+	TZR_DrawSetColor(1, 1, 1);
 	TZR_DrawClear();
 
-	g_draw();
+	vec2 v = v2(cfg.tile_width, 0);
+	const f32 r = (float)(TZR_GetTick() % 768) / 256;
+
+	TZR_BlendMode(SDL_BLENDMODE_MUL);
+	{
+		setbgcolor(1, 1, 1);
+		setfgcolor(0, 0, 0);
+		g_draw(0, 0);
+	}
+	{
+		vec2 c = v2_round(v2_transform(v, m3_rotating(r / 0.1592)));
+		setbgcolor(1, 1, 1);
+		setfgcolor(0, 1, 1);
+		g_draw(c.x, c.y);
+	}
+	{
+		vec2 c = v2_round(v2_transform(v, m3_rotating((r + 0.333) / 0.1592)));
+		setbgcolor(1, 1, 1);
+		setfgcolor(1, 0, 1);
+		g_draw(c.x, c.y);
+	}
+	{
+		vec2 c = v2_round(v2_transform(v, m3_rotating((r + 0.666) / 0.1592)));
+		setbgcolor(1, 1, 1);
+		setfgcolor(1, 1, 0);
+		g_draw(c.x, c.y);
+	}
+	TZR_BlendMode(SDL_BLENDMODE_BLEND);
 
 	assert(TZR_DrawEnd() == 0);
 	return 0;