diff --git a/bin/back b/bin/back
index 067a49c..398539b 100755
Binary files a/bin/back and b/bin/back differ
diff --git a/levels/level_02/room_0 b/levels/level_02/room_0
index 8ce6bcd..b17155b 100644
--- a/levels/level_02/room_0
+++ b/levels/level_02/room_0
@@ -1,16 +1,17 @@
 Blocks :
 [-16.0, -1.0, -16.0, 32.0, 1.0, 32.0, 0.0, 0.0, 128, 128, 128]
-[-5.0, 13.0, -5.0, 10.0, 1.0, 10.0, 0.0, 0.0, 255, 255, 255]
-[-1.0, 0.0, -15.0, 2.0, 10.0, 2.0, 0.0, 0.0, 128, 128, 128]
-[-1.0, 0.0, 13.0, 2.0, 10.0, 2.0, 0.0, 0.0, 128, 128, 128]
-[-15.0, 0.0, -1.0, 2.0, 10.0, 2.0, 0.0, 0.0, 128, 128, 128]
-[13.0, 0.0, -1.0, 2.0, 10.0, 2.0, 0.0, 0.0, 128, 128, 128]
+[-4.0, 10.0, 0.0, 2.0, 2.0, 2.0, 0.0, 0.0, 192, 192, 192]
 
 Entities:
-[-1.0, 15.0, -1.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 10, 0, 0]
-[2.0 , 0.0 , 2.0 , 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 255, 1 , 0, 6, hope you like parkour, 255, 192, 192]
-[-2.0, 1.0 , -2.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 128, 1 , 0, 8, 50, 1, 128, 128, 128]
-[-1.5, 1.5 , -1.5, 1.0, 1.0, 1.0, 0.0, 0.0, 192, 192, 192, 1 , 0, 7, levels/level_01/, 7, great, 192, 192, 192]
+[-2.0, 1.0 , -2.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 128, 1, 0, 8, 100, 1, 128, 128, 128]
+[-1.5, 1.5 , -1.5, 1.0, 1.0, 1.0, 0.0, 0.0, 192, 192, 192, 1, 0, 7, levels/level_01/, 7, great, 192, 192, 192]
+[-8.0, 0.0, -8.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 2.0, 2.0, 1]
+[-6.0, 2.0, -8.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 2.0, 2.0, 1]
+[-4.0, 4.0, -8.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 2.0, 2.0, 0]
+[-4.0, 6.0, -6.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 2.0, 2.0, 0]
+[-4.0, 8.0, -4.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 2.0, 2.0, 1]
+[-4.0, 10.0, -2.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 2.0, 2.0, 1]
+[-4.0, 11.0, 7.0, 2.0, 1.0, 2.0, 0.0, 0.0, 192, 192, 192, 1, 0, 5, 0.0, 0.0, 5.0, 0.0, 0.0, 5.0]
 
 Weight :
 0
diff --git a/obj/main.o b/obj/main.o
index 06f4f74..8989f27 100644
Binary files a/obj/main.o and b/obj/main.o differ
diff --git a/obj/move.o b/obj/move.o
index 8598eae..2726477 100644
Binary files a/obj/move.o and b/obj/move.o differ
diff --git a/src/main.c b/src/main.c
index a16b098..22ad756 100644
--- a/src/main.c
+++ b/src/main.c
@@ -33,12 +33,15 @@ char* newRoomName;
 int newRoomCount;
 bool switchRoom;
 
-double jPress = false;
-double gPress = false;
-double rPress = false;
+bool jPress = false;
+bool gPress = false;
+bool rPress = false;
+bool pPress = false;
 
 unsigned int textures[16];
 
+bool paused = false;
+
 void reset_everything(GLFWwindow *window, int count, char* folder) {
     /*hashtbl_free(visited);
     free_proj();
@@ -123,142 +126,154 @@ void processInput(GLFWwindow *window, float dtime) {
 
     // horizontal movement
     bool pressed = false;
-    if(glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS) {
-        if(gamemode == 1) {
-            for(int k = 0; k < 10; k++) {
-                camz -= creative_speed*cos(rot_hz)*cos(rot_vt)/10;
-                camx -= creative_speed*sin(rot_hz)*cos(rot_vt)/10;
-                camy += creative_speed*sin(rot_vt)/10;
-                if(is_colliding(dtime)) {
-                    camz += creative_speed*cos(rot_hz)*cos(rot_vt)/10;
-                    camx += creative_speed*sin(rot_hz)*cos(rot_vt)/10;
-                    camy -= creative_speed*sin(rot_vt)/10;
-                    k=11;
-                }
-            }
-        } else {
-            camvz = -speed*cos(rot_hz);
-            camvx = -speed*sin(rot_hz);
-        }
-        pressed = true;
-        //camvy = vtmult*speed*sin(rot_vt);
-    }
-    if(glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS) {
-        if(gamemode == 1) {
-            for(int k = 0; k < 10; k++) {
-                camx -= creative_speed*cos(rot_hz)/10;
-                camz += creative_speed*sin(rot_hz)/10;
-                if(is_colliding(dtime)) {
-                    camx += creative_speed*cos(rot_hz)/10;
-                    camz -= creative_speed*sin(rot_hz)/10;
-                    k=11;
-                }
-            }
-        } else {
-            camvx = -speed*cos(rot_hz);
-            camvz = speed*sin(rot_hz);
-        }
-        pressed = true;
-    }
-    if(glfwGetKey(window, GLFW_KEY_Z) == GLFW_PRESS) {
-        if(gamemode == 1) {
-            for(int k = 0; k < 10; k++) {
-                camz += creative_speed*cos(rot_hz)*cos(rot_vt)/10;
-                camx += creative_speed*sin(rot_hz)*cos(rot_vt)/10;
-                camy -= creative_speed*sin(rot_vt)/10;
-                if(is_colliding(dtime)) {
+    if(!paused) {
+        if(glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS) {
+            if(gamemode == 1) {
+                for(int k = 0; k < 10; k++) {
                     camz -= creative_speed*cos(rot_hz)*cos(rot_vt)/10;
                     camx -= creative_speed*sin(rot_hz)*cos(rot_vt)/10;
                     camy += creative_speed*sin(rot_vt)/10;
-                    k=11;
+                    if(is_colliding(dtime)) {
+                        camz += creative_speed*cos(rot_hz)*cos(rot_vt)/10;
+                        camx += creative_speed*sin(rot_hz)*cos(rot_vt)/10;
+                        camy -= creative_speed*sin(rot_vt)/10;
+                        k=11;
+                    }
                 }
+            } else {
+                camvz = -speed*cos(rot_hz);
+                camvx = -speed*sin(rot_hz);
             }
-        } else {
-            camvz = speed*cos(rot_hz);
-            camvx = speed*sin(rot_hz);
+            pressed = true;
+            //camvy = vtmult*speed*sin(rot_vt);
         }
-        pressed = true;
-        //camvy = -vtmult*speed*sin(rot_vt);
-    }
-    if(glfwGetKey(window, GLFW_KEY_Q) == GLFW_PRESS) {
-        if(gamemode == 1) {
-            for(int k = 0; k < 10; k++) {
-                camx += creative_speed*cos(rot_hz)/10;
-                camz -= creative_speed*sin(rot_hz)/10;
-                if(is_colliding(dtime)) {
+        if(glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS) {
+            if(gamemode == 1) {
+                for(int k = 0; k < 10; k++) {
                     camx -= creative_speed*cos(rot_hz)/10;
                     camz += creative_speed*sin(rot_hz)/10;
-                    k=11;
+                    if(is_colliding(dtime)) {
+                        camx += creative_speed*cos(rot_hz)/10;
+                        camz -= creative_speed*sin(rot_hz)/10;
+                        k=11;
+                    }
                 }
+            } else {
+                camvx = -speed*cos(rot_hz);
+                camvz = speed*sin(rot_hz);
+            }
+            pressed = true;
+        }
+        if(glfwGetKey(window, GLFW_KEY_Z) == GLFW_PRESS) {
+            if(gamemode == 1) {
+                for(int k = 0; k < 10; k++) {
+                    camz += creative_speed*cos(rot_hz)*cos(rot_vt)/10;
+                    camx += creative_speed*sin(rot_hz)*cos(rot_vt)/10;
+                    camy -= creative_speed*sin(rot_vt)/10;
+                    if(is_colliding(dtime)) {
+                        camz -= creative_speed*cos(rot_hz)*cos(rot_vt)/10;
+                        camx -= creative_speed*sin(rot_hz)*cos(rot_vt)/10;
+                        camy += creative_speed*sin(rot_vt)/10;
+                        k=11;
+                    }
+                }
+            } else {
+                camvz = speed*cos(rot_hz);
+                camvx = speed*sin(rot_hz);
+            }
+            pressed = true;
+            //camvy = -vtmult*speed*sin(rot_vt);
+        }
+        if(glfwGetKey(window, GLFW_KEY_Q) == GLFW_PRESS) {
+            if(gamemode == 1) {
+                for(int k = 0; k < 10; k++) {
+                    camx += creative_speed*cos(rot_hz)/10;
+                    camz -= creative_speed*sin(rot_hz)/10;
+                    if(is_colliding(dtime)) {
+                        camx -= creative_speed*cos(rot_hz)/10;
+                        camz += creative_speed*sin(rot_hz)/10;
+                        k=11;
+                    }
+                }
+            } else {
+                camvx = speed*cos(rot_hz);
+                camvz = -speed*sin(rot_hz);
+            }
+            pressed = true;
+        }
+
+        // jumps
+        if(gamemode == 0 && njumps > 0 && glfwGetKey(window, GLFW_KEY_SPACE) == GLFW_PRESS) {
+            if(jPress) {
+                camvy = vtmult*speed;
+                njumps -= 1;
+                jPress = false;
             }
         } else {
-            camvx = speed*cos(rot_hz);
-            camvz = -speed*sin(rot_hz);
+            jPress = true;
+        }
+        if(!pressed) {
+            camvx *= (1.0-1.0*5.0*((double)dtime));
+            camvz *= (1.0-1.0*5.0*((double)dtime));
+        }
+
+        // gamemode
+        if(glfwGetKey(window, GLFW_KEY_G) == GLFW_PRESS) {
+            if(!gPress) {
+                gPress = true;
+                gamemode = 1-gamemode;
+                njumps = 1;
+                camvx = 0.0;
+                camvy = 0.0;
+                camvz = 0.0;
+            }   
+        } else {
+            gPress = false;
+        }
+
+        // camera rotation
+        if(glfwGetKey(window, GLFW_KEY_E) == GLFW_PRESS) {
+            rot_hz -= sensitivity;
+        }
+        if(glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS) {
+            rot_hz += sensitivity;
+        }
+
+        if(glfwGetKey(window, GLFW_KEY_P) == GLFW_PRESS) {
+            rot_vt = maxd(-3.14159/2.0, rot_vt-sensitivity);
+        }
+        if(glfwGetKey(window, GLFW_KEY_M) == GLFW_PRESS) {
+            rot_vt = mind(3.14159/2.0, rot_vt+sensitivity);
+        }
+
+        // reset
+        if(glfwGetKey(window, GLFW_KEY_R) == GLFW_PRESS) {
+            if(!isMenuOpen() && !rPress) {
+                rPress = true;
+                //reset_everything(window, 4, "levels/level_00/");
+                //reset_everything(window, 7, "levels/level_01/");
+                reset_everything(window, 1, "levels/level_02/");
+            }   
+        } else {
+            rPress = false;
+        }
+
+        if(!isMenuOpen() && switchRoom) {
+            //printf("-----\n");
+            switchRoom = false;
+            reset_everything(window, newRoomCount, newRoomName);
+            //free(newRoomName);
         }
-        pressed = true;
     }
 
-    // jumps
-    if(gamemode == 0 && njumps > 0 && glfwGetKey(window, GLFW_KEY_SPACE) == GLFW_PRESS) {
-        if(jPress) {
-            camvy = vtmult*speed;
-            njumps -= 1;
-            jPress = false;
-        }
-    } else {
-        jPress = true;
-    }
-    if(!pressed) {
-        camvx *= (1.0-1.0*5.0*((double)dtime));
-        camvz *= (1.0-1.0*5.0*((double)dtime));
-    }
-
-    // gamemode
-    if(glfwGetKey(window, GLFW_KEY_G) == GLFW_PRESS) {
-        if(!gPress) {
-            gPress = true;
-            gamemode = 1-gamemode;
-            njumps = 1;
-            camvx = 0.0;
-            camvy = 0.0;
-            camvz = 0.0;
+    // pause
+    if(glfwGetKey(window, GLFW_KEY_U) == GLFW_PRESS) {
+        if(!isMenuOpen() && !pPress) {
+            pPress = true;
+            paused = !paused;
         }   
     } else {
-        gPress = false;
-    }
-
-    // camera rotation
-    if(glfwGetKey(window, GLFW_KEY_E) == GLFW_PRESS) {
-        rot_hz -= sensitivity;
-    }
-    if(glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS) {
-        rot_hz += sensitivity;
-    }
-
-    if(glfwGetKey(window, GLFW_KEY_P) == GLFW_PRESS) {
-        rot_vt = maxd(-3.14159/2.0, rot_vt-sensitivity);
-    }
-    if(glfwGetKey(window, GLFW_KEY_M) == GLFW_PRESS) {
-        rot_vt = mind(3.14159/2.0, rot_vt+sensitivity);
-    }
-
-    // reset
-    if(glfwGetKey(window, GLFW_KEY_R) == GLFW_PRESS) {
-        if(!isMenuOpen() && !rPress) {
-            rPress = true;
-            reset_everything(window, 4, "levels/level_00/");
-            //reset_everything(window, 7, "levels/level_01/");
-            //reset_everything(window, 1, "levels/level_02/");
-        }   
-    } else {
-        rPress = false;
-    }
-
-    if(!isMenuOpen() && switchRoom) {
-        //printf("-----\n");
-        switchRoom = false;
-        reset_everything(window, newRoomCount, newRoomName);
-        //free(newRoomName);
+        pPress = false;
     }
 }
 
@@ -602,12 +617,18 @@ int main_alt() {
 
         if(!isInMenu(window, shaderProgramR)) {
             processInput(window, delta);
-            if(gamemode == 0) {
-                movePlayerG(delta);
+            if(!paused) {
+                if(gamemode == 0) {
+                    movePlayerG(delta);
+                }
+                teleport_on_edge();
+                update_nearby_entities(delta, 1);
+                updateProj(delta); 
+            } else {
+                gl_drawRectAlpha(shaderProgramR, -1.0f, -1.0f, 2.0f, 2.0f, 0, 0, 0, 128);
+                gl_drawString(shaderProgramR, "game Paused", 0.0f,  0.1f, 0.08f, 128, 128, 255, 0.005f, 0);
+                gl_drawString(shaderProgramR, "press u to resume", 0.0f, -0.1f, 0.08f, 128, 128, 255, 0.005f, 0);
             }
-            teleport_on_edge();
-            update_nearby_entities(delta, 1);
-            updateProj(delta);  
         }
 
         usleep(max(0, interval-(int)(1000000*delta)));
diff --git a/src/move.c b/src/move.c
index 5200d9b..d8fbed2 100644
--- a/src/move.c
+++ b/src/move.c
@@ -18,11 +18,11 @@
 double sensitivity = 0.06;
 double fov = 90.0;
 double creative_speed = 0.5;
-double speed = 5.0;
-double vtmult = 1.5;
+double speed = 6.0;
+double vtmult = 2.25;
 double min_dist = 0.4;
 double friction = 0.3;
-double gravity_factor = 9.8;
+double gravity_factor = 25.0;
 // ---------------------------------------------------------------------------------------------------- //
 
 bool is_clipping = false;
@@ -197,7 +197,7 @@ void updateF(cube_0* cb, double dtime) {
 
             double alpha = acos(dot3D(normal, (pt_2d){.x = camvx, .y = camvy, .z = camvz})/normv);
             double beta = 3.1415926535 - 2*alpha;
-            double nu = sqrt(2)*normv*sqrt(1-cos(beta));
+            double nu = normv*sqrt(1-cos(beta));
 
             pt_2d u = (pt_2d){.x = normal.x*nu, .y = normal.y*nu, .z = normal.z*nu};
 
@@ -205,9 +205,9 @@ void updateF(cube_0* cb, double dtime) {
             camvy += u.y;
             camvz += u.z;
 
-            camvx /= 1.41;
-            camvy /= 1.41;
-            camvz /= 1.41;
+            //camvx /= 1.41;
+            //camvy /= 1.41;
+            //camvz /= 1.41;
 
             is_clipping = false;
         }
@@ -215,6 +215,7 @@ void updateF(cube_0* cb, double dtime) {
 }
 
 bool is_colliding(float dtime) {
+    bool globalCollision = false;
     for(int w = -1; w <= 1; w++) {
         for(int h = -1; h <= 1; h++) {
             room* vstd = hashtbl_find_opt(visited, player_chx+w, player_chy+h);
@@ -225,7 +226,7 @@ bool is_colliding(float dtime) {
                         if(updateForces) {
                             updateF(vstd->map[k], (double)dtime);
                         }
-                        return true;
+                        globalCollision = true;
                     }
                 }
 
@@ -242,7 +243,7 @@ bool is_colliding(float dtime) {
                         vstd = hashtbl_find_opt(visited, player_chx, player_chy);
                         set_player_coords(old_chx, old_chy);
                         resetProj();
-                        return true;
+                        globalCollision = true;
                     }
                 }
 
@@ -262,6 +263,7 @@ bool is_colliding(float dtime) {
                                     remove_entity(vstd->ents, &vstd->ent_memlen, &vstd->ent_len, k);
                                     is_clipping = false;
                                     exists = false;
+                                    k =- 1;
                                 }
                             }
                             if(exists && updateForces && vstd->ents[k]->entity_type != 0) {
@@ -270,14 +272,14 @@ bool is_colliding(float dtime) {
                             if(exists && (vstd->ents[k]->entity_type == 9 || vstd->ents[k]->entity_type == 4 || vstd->ents[k]->entity_type == 5)) {
                                 is_clipping = false;
                             }
-                            return true;
+                            globalCollision = true;
                         }
                     }
                 }
             }
         }
     }
-    return false;
+    return globalCollision;
 }
 
 void movePlayerG(float dtime) {