1 files changed, 37 insertions, 16 deletions

diff --git a/src/core.c b/src/core.c
index 6fdedb8..4f6a80b 100644
--- a/src/core.c
+++ b/src/core.c
@@ -1,27 +1,17 @@
 #include "raylib/core.h"
 
+
 /*
- * @overload init_window(screen_width: 800, screen_height: 600, title: "Hello World from FelFlame!")
- *	 @param [Integer] width ye
- * @overload init_window(screen_width, screen_height, title)
- *
- * Initialize window and OpenGL context.
- *
- * *Parameters:*
- *
- * * *width* (+Integer+)
- *
- * * *height* (+Integer+)
- *
- * * *title* (+String+)
- *
- * @return (Nil)
+ * @overload init_window(width: 800, height: 600, title: "Hello World from Raylib!")
+ *   @param width [Integer]
+ *   @param height [Integer]
+ *   @param title [String]
  */
 static mrb_value
 mrb_init_window(mrb_state* mrb, mrb_value self) {
 	mrb_int screenWidth = 800;
 	mrb_int screenHeight = 600;
-	char* title = "Hello World from FelFlame!";
+	char* title = "Hello World from Raylib!";
 
 	uint32_t kw_num = 3;
 	const mrb_sym kw_names[] = { 
@@ -49,15 +39,46 @@ mrb_init_window(mrb_state* mrb, mrb_value self) {
 }
 
 
+/* 
+ * Check if KEY_ESCAPE pressed or Close icon pressed
+ * @overload should_window_close?()
+ */
 static mrb_value 
 mrb_window_should_close(mrb_state* mrb, mrb_value self) {
 	return mrb_bool_value(WindowShouldClose());
 }
 
+/*
+ * Set background color *(framebuffer clear color)*
+ * @overload clear_background(color: Rl:Color.raywhite)
+ *   @param color [Rl::Color]
+ * @return [Nil]
+ */
+static mrb_value
+mrb_clear_background(mrb_state* mrb, mrb_value self) {
+	struct RClass *raylib = mrb_module_get(mrb, "Raylib");
+	struct RClass *color = mrb_class_get_under(mrb, raylib, Color_type.struct_name);
+	mrb_value color_obj = mrb_funcall(mrb, mrb_obj_value(color), "raywhite", 0);
+
+	uint32_t kw_num = 1;
+	const mrb_sym kw_names[] = { 
+		mrb_intern_lit(mrb, "color"),
+	};
+	mrb_value kw_values[kw_num];
+	const mrb_kwargs kwargs = { kw_num, 0, kw_names, kw_values, NULL };
+	mrb_get_args(mrb, "|o:", &color_obj, &kwargs);
+
+
+	Color *color_data = DATA_GET_PTR(mrb, color_obj, &Color_type, Color);
+	ClearBackground(*color_data);
+	return mrb_nil_value();
+}
+
 
 void
 mrb_init_raylib_core(mrb_state* mrb) {
 	struct RClass *raylib = mrb_define_module(mrb, "Raylib");
 	mrb_define_module_function(mrb, raylib, "init_window", mrb_init_window, MRB_ARGS_OPT(3));
 	mrb_define_module_function(mrb, raylib, "window_should_close?", mrb_window_should_close, MRB_ARGS_NONE());
+	mrb_define_module_function(mrb, raylib, "clear_background", mrb_clear_background, MRB_ARGS_REQ(1));
 }