diff --git a/physics/__pycache__/parabelfunc.cpython-311.pyc b/physics/__pycache__/parabelfunc.cpython-311.pyc
index 2c8f50e..d3f4d4b 100644
Binary files a/physics/__pycache__/parabelfunc.cpython-311.pyc and b/physics/__pycache__/parabelfunc.cpython-311.pyc differ
diff --git a/physics/parabelfunc.py b/physics/parabelfunc.py
index 3f8b7ce..2aee903 100644
--- a/physics/parabelfunc.py
+++ b/physics/parabelfunc.py
@@ -37,7 +37,7 @@ def berechneflugbahn(xmax, ymax, steps, startwinkel, startgeschwindigkeit, xmin=
     first_run = True
 
     # cowlength is 2, if cow is an UTF8-Icon, otherwise 1
-    for x in range(xmin, steps - 1, xstep):
+    for x in range(xmin, steps , xstep):#steps - 1
         # the formula, which generates the y position for the corresponding x, shamelessly ripped from some schoolbook and modified.
         y = (-(gravitation / (2 * startgeschwindigkeit**2 * cos(startwinkel) ** 2)) * x**2) + (tan(startwinkel) * x + starthoehe)
 
diff --git a/tengine/__pycache__/main.cpython-311.pyc b/tengine/__pycache__/main.cpython-311.pyc
index 8b0aacf..1489040 100644
Binary files a/tengine/__pycache__/main.cpython-311.pyc and b/tengine/__pycache__/main.cpython-311.pyc differ
diff --git a/tengine/main.py b/tengine/main.py
index 16e6d27..aa7f3c8 100644
--- a/tengine/main.py
+++ b/tengine/main.py
@@ -2,51 +2,52 @@
 from os import get_terminal_size
 tx,ty = get_terminal_size().columns ,get_terminal_size().lines-2
 
-def genfeld():
-    return [[' ' for _ in range(tx)] for _ in range(ty+2)]
+class tengine():
+    def __init__(self) -> None:
+        self.screen =  [[' ' for _ in range(tx)] for _ in range(ty+2)]
 
-def bg_char(feld, char=' '):
-    for a in range(len(feld)):
-        for b in range(len(feld[0])):
-            feld[a][b] = char
-    return feld
+    def print(self):
+        print(self.strscreen(),end="\r")
 
-def strfeld(feld):
-    return '\n'.join([''.join(row) for row in feld]).lstrip('\n').rstrip('\n')
-def prfeld(feld):
-    print(strfeld(feld),end="\r")
+    def bg_char(self, char=' '):
+        self.prfeld()
+        for a in range(len(self.screen)):
+            for b in range(len(self.screen[0])):
+                self.screen[a][b] = char
+    
+    
+    def strscreen(self):
+        back = ""
+        for a in self.screen:
+            line = ""
+            for b in a:
+                line += str(b)
+            back += line[:tx] + "\n"
+        return back.lstrip('\n').rstrip('\n')
+    
 
-def change_char(feld, character, position):
-    feld[position[0]][position[1]] = character
+    def set_char(self, character, position):
+        self.screen[position[0]][position[1]] = character
+    
+    def set_block(self, block, position):
+        position = [position[0]+1,position[1]]
+        pposition = position
+        for zeichen in block:
+            if zeichen == '\n':
+                pposition = [pposition[0] + 1, position[1]]
+            else:
+                pposition = [pposition[0], pposition[1] + 1]
+                self.screen[pposition[0]][pposition[1]] = zeichen
 
-def change_block(feld, block, position):
-    position = [position[0]+1,position[1]]
-    pposition = position
-    for zeichen in block:
-        if zeichen == '\n':
-            pposition = [pposition[0] + 1, position[1]]
-        else:
-            pposition = [pposition[0], pposition[1] + 1]
-            feld[pposition[0]][pposition[1]] = zeichen
-    return feld
+    def clear(self):
+        print('\033c', end='')
 
-def clear():
-    print('\033c', end='')
-
-def draw_border(feld, border_char='+'):
-    for i in range(len(feld)):
-        feld[i][0] = feld[i][-1] = border_char
-    for j in range(len(feld[0])):
-        feld[0][j] = feld[-1][j] = border_char
-    global tx,ty
-    tx -= 2;ty -= 2
-    return feld
-
-#def move_cursor(x, y):
-#    print(f'\033[{y};{x}H', end='')
-
-def viereck(feld, start_pos, width, height, fill_char='#'):
-    for i in range(height):
-        for j in range(width):
-            feld[start_pos[0]+1 + i][start_pos[1] + j] = fill_char
-    return feld
+    def draw_border(self, border_char='+'):
+        for i in range(len(self.screen)):
+            self.screen[i][0] = self.screen[i][-1] = border_char
+        for j in range(len(self.screen[0])):
+            self.screen[0][j] = self.screen[-1][j] = border_char
+    def viereck(self, start_pos, width, height, fill_char='#'):
+        for i in range(height):
+            for j in range(width):
+                self.screen[start_pos[0]+1 + i][start_pos[1] + j] = fill_char
\ No newline at end of file
diff --git a/v2.py b/v2.py
index c808843..501e403 100644
--- a/v2.py
+++ b/v2.py
@@ -1,9 +1,9 @@
 #!/usr/bin/python3
 #import os
-from tengine.main import *#ty,tx,clear,genfeld,strfeld,change_char,bg_char
+from tengine.main import *#ty,tx,scene.clear,genscene,strscene,change_char,bg_char
 from pynput import keyboard
 from time import sleep
-#from physics.parabelfunc import berechneflugbahn
+from physics.parabelfunc import berechneflugbahn
 import ascii
 import random
 
@@ -37,40 +37,40 @@ if not ty >= 11 :
     print("please resize you teerminal over 11 lines")
 
 if __name__ == "__main__" and running == True:
-    feld = genfeld()
-    feld = change_block(feld,ascii.logo,[0,int(tx/2-21)])
+    scene = tengine()
+    scene.set_block(ascii.logo,[0,int(tx/2-21)])
 
     while startscreen == True:
-        feld = change_block(feld,ascii.start_screen_text,[ty,int(tx/2-5)])
-        prfeld(feld)
+        scene.set_block(ascii.start_screen_text,[ty,int(tx/2-5)])
+        scene.print()
         sleep(0.2)
-        clear()
+        scene.clear()
         if key_space == True:
             while not key_space == False:
                 startscreen = False
 
-        feld = viereck(feld,[ty,int(tx/2-4)],11,1," ")
-        prfeld(feld)
+        scene.viereck([ty,int(tx/2-4)],11,1," ")
+        scene.print()
         sleep(0.2)
-        clear()
+        scene.clear()
         if key_space == True:
             while not key_space == False:
                 startscreen = False
     
-    feld = bg_char(feld," ")
-    feld = change_block(feld,ascii.cowsay,[int(ty/2)-2,int  (tx/2)-12])
+    scene.bg_char(" ")
+    scene.set_block(scene,ascii.cowsay,[int(ty/2)-2,int  (tx/2)-12])
     cows = "🐵🐒🦍🦧🐕🐯🦝🐩🐅🐴🐎🦄🦌🐗🐂🐃🐄🐪🐫🦙🦒🐹🦘🦡🐧🕊️ 🦅🦆🦉🐍🦎🐊🦜🦚🦩🐲🐉🦕"
     cowlistlength = len(cows)
-    cow = "#" cows[random.randint(0, cowlistlength - 1)]
-    clear()
-    #feld[ty][tx]   ### 2zeichen kuhh mach probleme
+    cow = "#" #cows[random.randint(0, cowlistlength - 1)]
+    scene.clear()
+    #scene[ty][tx]   ### 2zeichen kuhh mach probleme  
     while running == True:
         wobl = "-" * (tx - wobble_pos - 5)
         wobr = "-" * wobble_pos
         wobbl = f"{wobr}{cow}{wobl}"
-        feld = change_block(feld," " * txhalb+"↓",[ty-1,0])
-        feld = change_block(feld,f"[{wobbl}]",[ty,0])
-        prfeld(feld)
+        scene.set_block(" " * txhalb+"↓",[ty-1,0])
+        scene.set_block(f"[{wobbl}]",[ty,0])
+        scene.print()
         if wobble_pos > txhalb:
             wobble_site = "left"
         else:
@@ -95,57 +95,45 @@ if __name__ == "__main__" and running == True:
             wobble_way = "right"
         
         sleep(wobble_speed)
-        clear()
+        scene.clear()
     
         if key_space == True:
             break
     points_prozent = int((points/txhalb)*100)
-    clear()
+    scene.clear()
     for a in range(int(points*2)-2):
-        feld = change_block(feld,"-"*a+"🐄️",[0,0])
-        feld = change_block(feld,str(points_prozent)+"%",[1,int(tx/2-2)])
-        prfeld(feld)
+        scene.set_block("-"*a+cow,[0,0])#🐄️
+        scene.set_block(str(points_prozent)+"%",[1,int(tx/2-2)])
+        scene.print()
         sleep(0.01)
-        clear()
-    prfeld(feld)
+        scene.clear()
+    scene.print()
 
+    exit()
 
-## Randomly choose a cow
-#cows = "🐵🐒🦍🦧🐕🐯🦝🐩🐅🐴🐎🦄🦌🐗🐂🐃🐄🐪🐫🦙🦒🐹🦘🦡🐧🕊️ 🦅🦆🦉🐍🦎🐊🦜🦚🦩🐲🐉🦕"
-#cowlistlength = len(cows)
-#cow = cows[random.randint(0, cowlistlength - 1)]
-## Needed: find our screensize. We are in textmode here
-##termsize_xy = os.get_terminal_size()
-#### I m p o r t a n t   p a r a m e t e r s ###
-## X-Resolution of the display
-#xmax = tx-1 #termsize_xy[0] - 1
-#xsteps = 20#xmax 
-#ymax = ty   #termsize_xy[1]
-#ymin = 0
-#xmin = 0
-#startwinkel = 70
-#startgeschwindigkeit = 60
-#starthoehe = 0
-#schlafzeit = 0.05
-####
-## needed for erasing old position
-#xold = xmin
-#yold = ymin
-#x = xmin
-#y = xmin
-## Call the function, which calculates the coordinates)
-#ergebnis = berechneflugbahn(xmax, ymax, xsteps, startwinkel, startgeschwindigkeit, starthoehe, gravitation=1, xstep=2)
-#
-#feld = bg_char(feld,"-")
-#
-## here we draw the cow
-#for count in range(xmin, len(ergebnis), 2):
-#    xold, yold = x, y
-#    x, y = ergebnis[count], ergebnis[count + 1]
-#    change_block(feld,"@",[x, y])
-#    sleep(schlafzeit)
-#    change_block(feld,"#",[xold, yold]) #☁️
-#    prfeld(feld)
-#    print()
-#sleep(2)
-##sys.exit(home + curon)
\ No newline at end of file
+    xsteps = int((tx+2)/2) #20#xmax 
+    xmax = tx-1 #termsize_xy[0] - 1
+    ymax = ty   #termsize_xy[1]
+    ymin = 0
+    xmin = 0
+    startwinkel = 70#+180
+    startgeschwindigkeit = 30
+    starthoehe = 0#int(ty/2)
+    ####
+    ## needed for erasing old position
+    
+    ## Call the function, which calculates the coordinates)
+    ergebnis = berechneflugbahn(xmax, ymax, xsteps, startwinkel, startgeschwindigkeit, starthoehe, gravitation=1, xstep=2)
+    #
+    ## here we draw the cow
+    xold = xmin
+    yold = ymin
+    x = xmin
+    y = xmin
+    for count in range(2, len(ergebnis), 2):
+        xold, yold = x, y
+        x, y = ergebnis[count], ergebnis[count + 1]
+        set_block(scene,"@",[x, y])
+        sleep(0.1)
+        set_block(scene,"-",[xold, yold]) #☁️
+        scene.print()
\ No newline at end of file