diff --git a/src/draw.c b/src/draw.c
index 1b40b5a..1908ad3 100644
--- a/src/draw.c
+++ b/src/draw.c
@@ -69,6 +69,7 @@ void draw_init(struct term_buf* buf)
 }
 
 static void doom_free(struct term_buf* buf);
+static void matrix_free(struct term_buf* buf);
 
 void draw_free(struct term_buf* buf)
 {
@@ -79,6 +80,9 @@ void draw_free(struct term_buf* buf)
 			case 0:
 				doom_free(buf);
 				break;
+			case 1:
+				matrix_free(buf);
+				break;
 		}
 	}
 }
@@ -513,6 +517,16 @@ static void doom_free(struct term_buf* buf)
 	free(buf->astate.doom);
 }
 
+static void matrix_init(struct term_buf* buf)
+{
+	// TODO
+}
+
+static void matrix_free(struct term_buf* buf)
+{
+	// TODO
+}
+
 void animate_init(struct term_buf* buf)
 {
 	if (config.animate)
@@ -524,6 +538,11 @@ void animate_init(struct term_buf* buf)
 				doom_init(buf);
 				break;
 			}
+			case 1:
+			{
+				matrix_init(buf);
+				break;
+			}
 		}
 	}
 }
@@ -591,6 +610,11 @@ static void doom(struct term_buf* term_buf)
 	}
 }
 
+static void matrix(struct term_buf* buf)
+{
+	// TODO
+}
+
 void animate(struct term_buf* buf)
 {
 	buf->width = tb_width();
@@ -605,6 +629,11 @@ void animate(struct term_buf* buf)
 				doom(buf);
 				break;
 			}
+			case 1:
+			{
+				matrix(buf);
+				break;
+			}
 		}
 	}
 }
diff --git a/src/draw.h b/src/draw.h
index 1258596..e6d02f5 100644
--- a/src/draw.h
+++ b/src/draw.h
@@ -18,6 +18,20 @@ struct box
 	u32 right;
 };
 
+struct matrix_dot
+{
+	int val;
+	bool is_head;
+};
+
+struct matrix_state
+{
+	struct matrix_dot** grid;
+	int* length;
+	int* spaces;
+	int* updates;
+};
+
 struct doom_state
 {
 	u8* buf;