diff --git a/README.md b/README.md
index 07124bb..2d86c1b 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,7 @@ entities:
     -> 11 (button trigger)
         [.. freq, dtime] with
             freq = int[0 - 15]
-            dtime = double[>0.0]
+            dtime = double([>0.0] for time-limited press, or use -1.0 if no deactivation)
 
     -> 12 (button block)
         [.. freq, defaultState] with
diff --git a/bin/back b/bin/back
index 4233d32..2c7d3ae 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 97c5631..1b6e624 100644
--- a/levels/level_02/room_0
+++ b/levels/level_02/room_0
@@ -1,27 +1,52 @@
 Blocks :
 [-16.0, -1.0, -16.0, 32.0, 1.0, 32.0, 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]       // cp1
-[-4.0, 20.0, 0.0, 2.0, 2.0, 2.0, 0.0, 0.0, 192, 192, 192]       // cp2
+[ -6.0, 10.0, 0.0, 6.0, 2.0, 2.0, 0.0, 0.0, 32, 192, 32]       // cp1
+[-25.0, 21.0, 18.0, 2.0, 2.0, 2.0, 0.0, 0.0, 192, 192, 192]
+[-27.0, 21.0, 18.0, 2.0, 2.0, 2.0, 0.0, 0.0, 192, 192, 192]
+[-29.0, 21.0, 18.0, 2.0, 2.0, 2.0, 0.0, 0.0, 192, 192, 192]
+[-31.0, 21.0, 18.0, 2.0, 2.0, 2.0, 0.0, 0.0, 192, 192, 192]
+[ -6.0, 20.0, -16.0, 6.0, 2.0, 2.0, 0.0, 0.0, 32, 192, 32]       // cp2
 
 Entities:
 [8.0, 1.0 , 8.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 128, 1, 0, 8, 100, 1, 128, 128, 128]
 [8.5, 1.5 , 8.5, 1.0, 1.0, 1.0, 0.0, 0.0, 192, 192, 192, 1, 0, 7, levels/level_01/, 7, great, 192, 192, 192]
 
-[-3.5, 13.0, 0.5, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 10, 0, 0]     // cp1 coin
-[-3.5, 23.0, 0.5, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 10, 0, 0]     // cp2 coin
+[-3.5, 13.0,  0.5, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 10, 0, 0]     // cp1 coin
+[-3.5, 23.0,-15.5, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 10, 0, 0]     // cp2 coin
 
-[-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] // section 1 (beat)
-[-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,  0.0, -13.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 1.4, 1.4, 0]  // 1-1
+[-2.0,  1.0, -13.2, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 1.4, 1.4, 0]
+[ 0.0,  2.0, -13.4, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 1.4, 1.4, 1]
+[ 2.0,  3.0, -13.6, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 1.4, 1.4, 1]
+[ 4.0,  4.0, -13.8, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 1.4, 1.4, 0]
+[ 6.0,  5.0, -14.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 1.4, 1.4, 0]
 
-[-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]
-[ 1.0, 11.0, 14.0, 2.0, 1.0, 2.0, 0.0, 0.0, 192, 192, 192, 1, 0, 5, 5.0, 0.0, 0.0, -5.0, 0.0,  0.0]
-[ 8.0, 16.0, 14.0, 2.0, 1.0, 2.0, 0.0, 0.0, 192, 192, 192, 1, 0, 5, 0.0, 5.0, 0.0,  0.0, 5.0,  0.0]
-[ 1.0, 21.0, 14.0, 2.0, 1.0, 2.0, 0.0, 0.0, 192, 192, 192, 1, 0, 5, 5.0, 0.0, 0.0,  5.0, 0.0,  0.0]
-[-4.0, 21.0,  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]
+[ 6.0,  5.0, -18.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 1.2, 1.2, 1]  // 1-2
+[ 4.0,  6.0, -18.2, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 1.2, 1.2, 1]
+[ 2.0,  7.0, -18.4, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 1.2, 1.2, 0]
+[ 0.0,  8.0, -18.6, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 1.2, 1.2, 0]
+[-2.0,  9.0, -18.8, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 1.2, 1.2, 1]
+[-4.0, 10.0, -19.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 1.2, 1.2, 1]
+
+[-4.0, 10.0, -14.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 0.4, 0.8, 1]  // 1-3
+[-4.3, 10.0, -12.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 0.4, 0.8, 0]
+[-4.0, 10.0, -10.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 0.4, 0.8, 1]
+[-3.7, 10.0,  -8.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 0.4, 0.8, 0]
+[-4.0, 10.0,  -6.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 0.4, 0.8, 1]
+[-4.3, 10.0,  -4.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 0.4, 0.8, 0]
+[-4.0, 10.0,  -2.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 9, 0.4, 0.8, 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,  6.0]   // section 2 (lines)
+[  1.0, 11.0, 14.0, 2.0, 1.0, 2.0, 0.0, 0.0, 192, 192, 192, 1, 0, 5, 5.0, 0.0, 0.0, -8.0,  0.0,  0.0]
+[  8.0, 16.0, 14.0, 2.0, 1.0, 2.0, 0.0, 0.0, 192, 192, 192, 1, 0, 5, 0.0, 5.0, 0.0,  0.0, 10.0,  0.0]
+[ -1.0, 21.0, 14.0, 2.0, 1.0, 2.0, 0.0, 0.0, 192, 192, 192, 1, 0, 5, 7.0, 0.0, 0.0,  9.0,  0.0,  0.0]
+[ -4.0, 21.0,  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, -7.0]
+
+[-14.0, 21.0, 14.0, 2.0, 1.0, 2.0, 0.0, 0.0, 192, 192, 192, 1, 0, 4, 5.0, 0.0, 4.0,  3, 4, 0]           // button part
+[-18.0, 22.0, 14.0, 2.0, 1.0, 2.0, 0.0, 0.0, 192, 192, 192, 1, 0, 4, 5.0, 0.0, -4.0,  3, 4, 90]
+[ -4.0, 20.0,-14.0, 2.0, 2.0, 14.0, 0.0, 0.0, 192, 192, 192, 1, 0, 12, 1, 0]
+[-33.0, 24.0, 18.0, 2.0, 2.0, 2.0, 0.71, 0.0, 92, 92, 92, 1, 0, 11, 1, 10.0]
 
 Weight :
 0
diff --git a/obj/display.o b/obj/display.o
index dbe4f8f..bbb2c6c 100644
Binary files a/obj/display.o and b/obj/display.o differ
diff --git a/obj/entities.o b/obj/entities.o
index 2c13995..212ea3a 100644
Binary files a/obj/entities.o and b/obj/entities.o differ
diff --git a/obj/main.o b/obj/main.o
index 29ad127..d1fd30d 100644
Binary files a/obj/main.o and b/obj/main.o differ
diff --git a/obj/move.o b/obj/move.o
index 44cd232..faac48d 100644
Binary files a/obj/move.o and b/obj/move.o differ
diff --git a/src/display.c b/src/display.c
index 3171870..aa269fd 100644
--- a/src/display.c
+++ b/src/display.c
@@ -271,4 +271,26 @@ void gl_drawDamageFadeout(unsigned int shaderProg) {
         gl_drawRectAlpha(shaderProg, -1.0f              , -1.0f+fadeSideWidth, fadeSideWidth, 2.0f*(1.0-fadeSideWidth), 255, 32, 32, (int)(dmgCD*510.0f));
         gl_drawRectAlpha(shaderProg,  1.0f-fadeSideWidth, -1.0f+fadeSideWidth, fadeSideWidth, 2.0f*(1.0-fadeSideWidth), 255, 32, 32, (int)(dmgCD*510.0f));
     }
+}
+
+float barWidth = 0.05f;
+float barInnerOffset = 0.01f;
+float barHeight = 1.0f;
+void gl_drawButtonTimers(unsigned int shaderProg) {
+    double curx = -0.95f;
+    for(int k = 0; k < 16; k++) {
+        if(buttonSwitch[k] && buttonMaxT[k] > 0.0f) {
+            gl_drawRect(shaderProg, curx, -barHeight/2.0f, barWidth, barHeight, 64, 64, 64);
+            gl_drawRect(shaderProg, 
+                curx+barInnerOffset, -barHeight/2.0f+barInnerOffset, 
+                barWidth-2.0f*barInnerOffset, barHeight-2.0f*barInnerOffset, 
+                0, 0, 0);
+            gl_drawRect(shaderProg, 
+                curx+barInnerOffset, -barHeight/2.0f+barInnerOffset, 
+                barWidth-2.0f*barInnerOffset, barHeight*(buttonTimes[k]/buttonMaxT[k])-2.0f*barInnerOffset, 
+                128, 128, 128);
+            gl_drawInteger(shaderProg, k, curx+barWidth/2.0f, -barHeight/2.0f-barWidth/0.7f, barWidth/1.5f, 192, 192, 192, barWidth/12.0f, 0);
+            curx += barWidth;
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/display.h b/src/display.h
index 9bf7fa6..a95ef8d 100644
--- a/src/display.h
+++ b/src/display.h
@@ -12,5 +12,6 @@ void gl_drawData(unsigned int shaderProg);
 void gl_resetTexture();
 
 void gl_drawDamageFadeout(unsigned int shaderProg);
+void gl_drawButtonTimers(unsigned int shaderProg);
 
 #endif
\ No newline at end of file
diff --git a/src/entities.c b/src/entities.c
index 28e96c7..8eb1e65 100644
--- a/src/entities.c
+++ b/src/entities.c
@@ -185,6 +185,7 @@ void update_button(float dtime, int* hp, int* dmg, entity* ent, cube_0* ret) {
     if(!buttonSwitch[ent->metai1]) {
         buttonSwitch[ent->metai1] = true;
         buttonTimes[ent->metai1] = ent->metad1;
+        buttonMaxT[ent->metai1] = ent->metad1;
     }
 }
 
diff --git a/src/main.c b/src/main.c
index 34e9285..6426b0e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -607,7 +607,7 @@ int main_alt() {
     while(!glfwWindowShouldClose(window) && player_hp > 0) {
         // input
         // -----
-        glClearColor(0.2f, 0.3f, 0.3f, 0.5f);
+        glClearColor(0.05f, 0.05f, 0.05f, 1.0f);
         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
         triCount = 0;
 
@@ -637,6 +637,7 @@ int main_alt() {
         gl_drawData(shaderProgramR);
 
         gl_drawDamageFadeout(shaderProgramR);
+        gl_drawButtonTimers(shaderProgramR);
 
         if(!isInMenu(window, shaderProgramR)) {
             processInput(window, delta);
diff --git a/src/move.c b/src/move.c
index 82d43a0..7aa68f7 100644
--- a/src/move.c
+++ b/src/move.c
@@ -66,6 +66,7 @@ int lastDmg;
 
 bool buttonSwitch[16];
 float buttonTimes[16];
+float buttonMaxT[16];
 
 void init_csts() {
     camx = 2.0;
@@ -92,6 +93,7 @@ void init_csts() {
     for(int k = 0; k < 16; k++) {
         buttonTimes[k] = 0.0f;
         buttonSwitch[k] = false;
+        buttonMaxT[k] = 0.0f;
     }
 
     dmgCD = 0.0f;
@@ -105,7 +107,7 @@ void init_csts() {
 void update_buttons(float dtime) {
     for(int k = 0; k < 16; k++) {
         if(buttonSwitch[k]) {
-            if(buttonTimes[k] <= dtime) {
+            if(buttonTimes[k] <= dtime && buttonMaxT[k] > 0.0) {
                 buttonTimes[k] = 0.0f;
                 buttonSwitch[k] = false;
             } else {
@@ -372,10 +374,6 @@ void teleport_on_edge() {
             player_chx += 1;
             current_room = hashtbl_find_opt(visited, player_chx, player_chy);
             resetProj();
-            for(int k = 0; k < 16; k++) {
-                buttonSwitch[k] = false;
-                buttonTimes[k] = 0.0f;
-            }
         }
     } else if(camx <= -room_width) {
         if(!is_one_room) {
@@ -383,10 +381,6 @@ void teleport_on_edge() {
             player_chx -= 1;
             current_room = hashtbl_find_opt(visited, player_chx, player_chy);
             resetProj();
-            for(int k = 0; k < 16; k++) {
-                buttonSwitch[k] = false;
-                buttonTimes[k] = 0.0f;
-            }
         }
     } else if(camz >= room_depth) {
         if(!is_one_room) {
@@ -394,10 +388,6 @@ void teleport_on_edge() {
             player_chy += 1;
             current_room = hashtbl_find_opt(visited, player_chx, player_chy);
             resetProj();
-            for(int k = 0; k < 16; k++) {
-                buttonSwitch[k] = false;
-                buttonTimes[k] = 0.0f;
-            }
         }
     } else if(camz <= -room_depth) {
         if(!is_one_room) {
@@ -405,10 +395,6 @@ void teleport_on_edge() {
             player_chy -= 1;
             current_room = hashtbl_find_opt(visited, player_chx, player_chy);
             resetProj();
-            for(int k = 0; k < 16; k++) {
-                buttonSwitch[k] = false;
-                buttonTimes[k] = 0.0f;
-            }
         }
     }
 }
\ No newline at end of file
diff --git a/src/structure.h b/src/structure.h
index 2f6bb07..56c11be 100644
--- a/src/structure.h
+++ b/src/structure.h
@@ -192,5 +192,6 @@ extern int lastDmg;
 
 extern bool buttonSwitch[16];
 extern float buttonTimes[16];
+extern float buttonMaxT[16];
 
 #endif
\ No newline at end of file