diff --git a/forges/__init__.py b/forges/__init__.py
index 8a38537..ea02ed2 100644
--- a/forges/__init__.py
+++ b/forges/__init__.py
@@ -23,4 +23,8 @@ def run():
     forges.run()
 
 def get():
-    return forges
\ No newline at end of file
+    return forges
+
+def import_sdl2():
+    global sdl2
+    import sdl2
\ No newline at end of file
diff --git a/forges/build.py b/forges/build.py
new file mode 100644
index 0000000..db0afd5
--- /dev/null
+++ b/forges/build.py
@@ -0,0 +1,54 @@
+import os, shutil, sys
+
+class Builder:
+    def __init__(self, file_name, noconsole = True, flags = []):
+        self.file_name = file_name
+        self.default_flags = []
+
+        if noconsole:
+            self.default_flags.append("--noconsole")
+
+        else:
+            self.default_flags.append("--console")
+
+        self.flags = self.default_flags + flags
+        self.flags_string = ""
+
+        space = 0
+
+        for i in self.flags:
+            if space != 0:
+                space -= 1
+                self.flags_string += " "
+
+            self.flags_string += i
+            space += 1
+
+        for i in sys.path:
+            if "site-packages" in i:
+                files = os.listdir(i)
+
+                state = 0
+
+                for j in files:
+                    if "forges" == j:
+                        state += 1
+                        self.forges_path = i + "\\" + j
+
+                    if "sdl2" == j:
+                        state += 1
+                        self.sdl2_path = i + "\\" + j
+
+                    if "sdl2dll" == j:
+                        state += 1
+                        self.sdl2dll_path = i + "\\" + j
+                    
+                if state == 3:
+                    self.site_packages_path = i
+
+    def build(self):
+        os.system(f"pyinstaller {self.file_name} {self.flags_string} --noconfirm --onefile --clean --icon={self.forges_path}/assets/icon/icon_ico.ico --add-data \"{self.sdl2dll_path};sdl2dll/\" --add-data \"{self.forges_path};forges/\"")
+        shutil.copy(f"dist/{os.path.splitext(os.path.basename(self.file_name))[0]}.exe", ".")
+        shutil.rmtree("build", ignore_errors = True)
+        shutil.rmtree("dist", ignore_errors = True)
+        os.remove(f"{os.path.splitext(os.path.basename(self.file_name))[0]}.spec")
\ No newline at end of file
diff --git a/forges/prefabs/__init__.py b/forges/prefabs/__init__.py
index 23ca0a0..50b9796 100644
--- a/forges/prefabs/__init__.py
+++ b/forges/prefabs/__init__.py
@@ -1 +1,3 @@
-from forges.prefabs.top_view_controller import TopViewController
\ No newline at end of file
+from forges.prefabs.top_view_controller import TopViewController
+from forges.prefabs.platformer_controller import PlatformerController
+from forges.prefabs.button import Button
\ No newline at end of file
diff --git a/forges/prefabs/button.py b/forges/prefabs/button.py
new file mode 100644
index 0000000..dd77a0c
--- /dev/null
+++ b/forges/prefabs/button.py
@@ -0,0 +1,64 @@
+import forges
+
+class Button(forges.Entity):
+    def __init__(self, *args, **kwargs):
+        super().__init__()
+
+        self.width, self.height = 100, 40
+        self.normal_color, self.press_color, self.highlight_color = forges.color.Color(200, 200, 200), forges.color.Color(100, 100, 100), forges.color.Color(150, 150, 150)
+
+        self.color = forges.color.Color(self.normal_color.r, self.normal_color.g, self.normal_color.b, self.normal_color.a)
+
+        for i in kwargs:
+            setattr(self, i, kwargs[i])
+
+        self.window = forges.get().get_window()
+        self.functions = {}
+        self.target_color = forges.color.Color(self.color.r, self.color.g, self.color.b, self.color.a)
+        
+    def update(self):
+        if self.hit(self.window.input.mouse_pos()):
+            if self.window.input.mouse_pressed(self.window.buttons["LEFT"]):
+                self.press()
+
+            else:
+                if self.pressed:
+                    self.release()
+
+                self.highlight()
+
+        else:
+            self.natural()
+            self.pressed = False
+
+        self.color.r, self.color.g, self.color.b, self.color.a = int(self.target_color.r), int(self.target_color.g), int(self.target_color.b), int(self.target_color.a)
+
+    def natural(self):
+        self.target_color = forges.math.lerp(self.target_color, self.normal_color, 0.1)
+
+    def press(self):
+        self.pressed = True
+
+        self.target_color = forges.math.lerp(self.target_color, self.press_color, 0.3)
+
+        if "on_press" in self.functions:
+            self.functions["on_press"]()
+
+    def release(self):
+        self.pressed = False
+
+        self.target_color = forges.math.lerp(self.target_color, self.highlight_color, 0.1)
+
+        if "on_release" in self.functions:
+            self.functions["on_release"]()
+
+    def highlight(self):
+        self.pressed = False
+
+        self.target_color = forges.math.lerp(self.target_color, self.highlight_color, 0.2)
+
+        if "on_highlight" in self.functions:
+            self.functions["on_highlight"]()
+
+    def event(self, func):
+        self.functions[func.__name__] = func
\ No newline at end of file
diff --git a/forges/prefabs/platformer_controller.py b/forges/prefabs/platformer_controller.py
new file mode 100644
index 0000000..118c268
--- /dev/null
+++ b/forges/prefabs/platformer_controller.py
@@ -0,0 +1,38 @@
+import forges
+
+class PlatformerController(forges.Entity):
+    def __init__(self, *args, **kwargs):
+        super().__init__()
+
+        self.window = forges.forges.get_window()
+
+        self.speed = 5
+        self.sprint_speed = 10
+        self.jumpforce = -13
+
+        for i in kwargs:
+            setattr(self, i, kwargs[i])
+
+        self.target_speed = self.speed
+        self.add_script(forges.scripts.Gravity())
+    
+    def add_object(self, object):
+        self.get_script(0).add_object(object)
+
+    def update(self):
+        if self.window.input.key_pressed(self.window.keys["LSHIFT"]):
+            self.target_speed = self.sprint_speed
+
+        else:
+            self.target_speed = self.speed
+
+        if self.window.input.key_pressed(self.window.keys["D"]):
+            self.x += self.target_speed
+
+        if self.window.input.key_pressed(self.window.keys["A"]):
+            self.x -= self.target_speed
+
+        if self.window.input.key_pressed(self.window.keys["SPACE"]):
+            if self.get_script(0).grounded:
+                self.get_script(0).grounded = False
+                self.get_script(0).force(forges.math.Vector2(0, self.jumpforce))
\ No newline at end of file
diff --git a/forges/prefabs/top_view_controller.py b/forges/prefabs/top_view_controller.py
index 64d8aa8..1331a41 100644
--- a/forges/prefabs/top_view_controller.py
+++ b/forges/prefabs/top_view_controller.py
@@ -1,15 +1,18 @@
 import forges
 
 class TopViewController(forges.Entity):
-    def __init__(self, width = 50, height = 100, x = 0, y = 0, color = forges.color.Color(20, 20, 20), fill = True, layer = 1, speed = 3, sprint_speed = 6):
-        super().__init__(width = width, height = height, x = x, y = y, color = color, fill = fill, layer = layer)
+    def __init__(self, *args, **kwargs):
+        super().__init__()
 
         self.window = forges.forges.get_window()
 
-        self.speed = speed
-        self.sprint_speed = sprint_speed
+        self.speed = 3
+        self.sprint_speed = 6
 
-        self.target_speed = speed
+        for i in kwargs:
+            setattr(self, i, kwargs[i])
+
+        self.target_speed = self.speed
 
     def update(self):
         if self.window.input.key_pressed(self.window.keys["LSHIFT"]):
diff --git a/forges/scripts/__init__.py b/forges/scripts/__init__.py
index 49caeb0..0552762 100644
--- a/forges/scripts/__init__.py
+++ b/forges/scripts/__init__.py
@@ -1 +1,2 @@
-from forges.scripts.toggle_fullscreen import ToggleFullscreen
\ No newline at end of file
+from forges.scripts.toggle_fullscreen import ToggleFullscreen
+from forges.scripts.gravity import Gravity
\ No newline at end of file
diff --git a/forges/scripts/gravity.py b/forges/scripts/gravity.py
new file mode 100644
index 0000000..30280fc
--- /dev/null
+++ b/forges/scripts/gravity.py
@@ -0,0 +1,36 @@
+import forges
+
+class Gravity(forges.Script):
+    def __init__(self, *args, **kwargs):
+        super().__init__()
+
+        self.acceleration = forges.math.Vector2(0, 0.5)
+        self.velocity = forges.math.Vector2(0, 0)
+        self.friction = -0.01
+
+        self.objects = []
+
+        for i in kwargs:
+            setattr(self, i, kwargs[i])
+
+    def add_object(self, object):
+        self.objects.append(object)
+
+    def force(self, force):
+        self.velocity += force
+
+    def update(self, window, entity):
+        self.acceleration = forges.math.Vector2(0, 0.5)
+        self.grounded = False
+
+        for i in self.objects:
+            if i.hit(entity):
+                if entity.y < i.y:
+                    entity.y = i.y - entity.height
+                    self.velocity = forges.math.Vector2(0, 0)
+                    self.grounded = True
+
+        if not self.grounded:
+            self.acceleration.x += self.velocity.x * self.friction
+            self.velocity += self.acceleration
+            entity.set_pos(entity.get_pos() + self.velocity + forges.math.Vector2(0, 0.5) + self.acceleration)
\ No newline at end of file
diff --git a/forges/window.py b/forges/window.py
index a608c7d..7764132 100644
--- a/forges/window.py
+++ b/forges/window.py
@@ -155,6 +155,9 @@ def update_handler(self):
             self.functions["update"]()
 
     def draw_handler(self):
+        if "on_draw" in self.functions:
+            self.functions["on_draw"]()
+
         for layer in dict(sorted(self.engine.objects.items(), reverse = True)):
             for object in self.engine.objects[layer]:
                 if object.destroyed:
@@ -163,6 +166,9 @@ def draw_handler(self):
                 else:
                     if hasattr(object, "visible"):
                         if object.visible:
+                            if hasattr(object, "on_draw"):
+                                object.on_draw()
+
                             object.draw()
 
     def set_fullscreen(self, fullscreen = True):
diff --git a/setup.py b/setup.py
index 79400f0..8bd2bc2 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
  
 setup(
     name = "forges",
-    version = "0.0.2",
+    version = "0.0.3",
     description = "A game engine made with SDL 2.",
     long_description = long_desc,
     long_description_content_type = "text/markdown",