diff --git a/raylib-rs-plain/src/lib.rs b/raylib-rs-plain/src/lib.rs
index 8af152a..e8f9b96 100644
--- a/raylib-rs-plain/src/lib.rs
+++ b/raylib-rs-plain/src/lib.rs
@@ -1,40 +1,18 @@
 use raylib_rs_plain_sys as rl;
-pub use rl::Color;
 pub use rl::KeyboardKey;
 pub use rl::ConfigFlags;
 pub use rl::MouseButton;
-pub use rl::Rectangle;
-pub use rl::Texture;
-pub use rl::Texture2D;
-pub use rl::Vector2;
-pub use rl::Font;
-use std::ffi::CString;
 use std::ptr::null_mut;
 pub mod color_define;
 pub use color_define as color;
 pub mod function;
+pub use function::*;
 
 pub fn init_window(width: ::std::os::raw::c_int, height: ::std::os::raw::c_int, title: &str) {
     let title: CString = CString::new(title).unwrap();
     unsafe { rl::InitWindow(width, height, title.as_ptr()) }
 }
 
-pub fn window_should_close() -> bool {
-    return unsafe { rl::WindowShouldClose() };
-}
-
-pub fn begin_drawing() {
-    unsafe { rl::BeginDrawing() }
-}
-
-pub fn clear_background(color: rl::Color) {
-    unsafe { rl::ClearBackground(color) }
-}
-
-pub fn is_font_ready(font: Font) -> bool {
-    unsafe { rl::IsFontReady(font) }
-}
-
 pub fn load_font(file_name: &str) -> Option<Font> {
     let file_name: CString = CString::new(file_name).unwrap();
     let font:Font = unsafe { rl::LoadFont(file_name.as_ptr()) };
@@ -89,35 +67,6 @@ pub fn draw_text_ex(
     unsafe { rl::DrawTextEx(font, text.as_ptr(), position, font_size, spacing, tint) }
 }
 
-pub fn draw_texture(
-    texture: rl::Texture2D,
-    pos_x: ::std::os::raw::c_int,
-    pos_y: ::std::os::raw::c_int,
-    tint: Color,
-) {
-    unsafe { rl::DrawTexture(texture, pos_x, pos_y, tint) }
-}
-
-pub fn draw_texture_rec(texture: Texture2D, source: Rectangle, position: Vector2, tint: Color) {
-    unsafe { rl::DrawTextureRec(texture, source, position, tint) }
-}
-
-pub fn end_drawing() {
-    unsafe { rl::EndDrawing() }
-}
-
-pub fn close_window() {
-    unsafe { rl::CloseWindow() }
-}
-
-pub fn set_target_fps(fps: ::std::os::raw::c_int) {
-    unsafe { rl::SetTargetFPS(fps) }
-}
-
-pub fn get_fps() -> ::std::os::raw::c_int {
-    return unsafe { rl::GetFPS() };
-}
-
 pub fn load_texture(file_name: &str) -> Option<rl::Texture2D> {
     let file_name: CString = CString::new(file_name).unwrap();
     let texture: rl::Texture2D = unsafe { rl::LoadTexture(file_name.as_ptr()) };
@@ -129,28 +78,12 @@ pub fn load_texture(file_name: &str) -> Option<rl::Texture2D> {
     };
 }
 
-pub fn unload_texture(texture: rl::Texture2D) {
-    unsafe { rl::UnloadTexture(texture) };
-}
-
-pub fn get_screen_width() -> ::std::os::raw::c_int {
-    return unsafe { rl::GetScreenWidth() };
-}
-
-pub fn get_screen_height() -> ::std::os::raw::c_int {
-    return unsafe { rl::GetScreenHeight() };
-}
-
 pub fn is_key_down(key: rl::KeyboardKey) -> bool {
     // TODO: Might want to avoid `as`.
     // - e.g. `use num::ToPrimitive`
     return unsafe { rl::IsKeyDown(key as i32) };
 }
 
-pub fn get_mouse_position() -> Vector2 {
-    unsafe { rl::GetMousePosition() }
-}
-
 pub fn is_mouse_button_pressed(button: MouseButton) -> bool {
     unsafe { rl::IsMouseButtonPressed(button as i32) }
 }
@@ -159,13 +92,6 @@ pub fn is_mouse_button_down(button: MouseButton) -> bool {
     unsafe { rl::IsMouseButtonDown(button as i32) }
 }
 
-pub fn get_random_value(
-    min: ::std::os::raw::c_int,
-    max: ::std::os::raw::c_int,
-) -> ::std::os::raw::c_int {
-    return unsafe { rl::GetRandomValue(min, max) };
-}
-
 pub fn measure_text(
     text: &str,
     font_size: ::std::os::raw::c_int,
@@ -184,56 +110,12 @@ pub fn measure_text_ex(
     unsafe { rl::MeasureTextEx(font, text.as_ptr(), font_size, spacing) }
 }
 
-pub fn draw_line(
-    start_pos_x: ::std::os::raw::c_int,
-    start_pos_y: ::std::os::raw::c_int,
-    end_pos_x: ::std::os::raw::c_int,
-    end_pos_y: ::std::os::raw::c_int,
-    color: Color,
-) {
-    unsafe { rl::DrawLine(start_pos_x, start_pos_y, end_pos_x, end_pos_y, color) }
-}
-
-pub fn draw_rectangle(
-    pos_x: ::std::os::raw::c_int,
-    pos_y: ::std::os::raw::c_int,
-    width: ::std::os::raw::c_int,
-    height: ::std::os::raw::c_int,
-    color: Color,
-) {
-    unsafe {
-        rl::DrawRectangle(pos_x, pos_y, width, height, color);
-    }
-}
-
-pub fn draw_rectangle_lines(
-    pos_x: ::std::os::raw::c_int,
-    pos_y: ::std::os::raw::c_int,
-    width: ::std::os::raw::c_int,
-    height: ::std::os::raw::c_int,
-    color: Color,
-) {
-    unsafe { rl::DrawRectangleLines(pos_x, pos_y, width, height, color) }
-}
-
-pub fn fade(color: Color, alpha: f32) -> Color {
-    return unsafe {
-        rl::Fade(color, alpha)
-    }
-}
-
 pub fn set_exit_key(key: KeyboardKey) {
     unsafe {
         rl::SetExitKey(key as i32)
     }
 }
 
-pub fn set_config_flags(flags: ::std::os::raw::c_uint) {
-    unsafe {
-        rl::SetConfigFlags(flags)
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;