diff --git a/bind/v4k.lua b/bind/v4k.lua
index 844b263..069e20e 100644
--- a/bind/v4k.lua
+++ b/bind/v4k.lua
@@ -1610,59 +1610,6 @@ typedef float mat44[16];
  float simplex2( vec2 xy );
  float simplex3( vec3 xyz );
  float simplex4( vec4 xyzw );
- float ease_linear(float t);
- float ease_nearest(float t);
- float ease_out_sine(float t);
- float ease_out_quad(float t);
- float ease_out_cubic(float t);
- float ease_out_quart(float t);
- float ease_out_quint(float t);
- float ease_out_expo(float t);
- float ease_out_circ(float t);
- float ease_out_back(float t);
- float ease_out_elastic(float t);
- float ease_out_bounce(float t);
- float ease_in_sine(float t);
- float ease_in_quad(float t);
- float ease_in_cubic(float t);
- float ease_in_quart(float t);
- float ease_in_quint(float t);
- float ease_in_expo(float t);
- float ease_in_circ(float t);
- float ease_in_back(float t);
- float ease_in_elastic(float t);
- float ease_in_bounce(float t);
- float ease_inout_sine(float t);
- float ease_inout_quad(float t);
- float ease_inout_cubic(float t);
- float ease_inout_quart(float t);
- float ease_inout_quint(float t);
- float ease_inout_expo(float t);
- float ease_inout_circ(float t);
- float ease_inout_back(float t);
- float ease_inout_elastic(float t);
- float ease_inout_bounce(float t);
- float ease_inout_perlin(float t);
-enum EASE_FLAGS {
-EASE_LINEAR,
-EASE_SINE,
-EASE_QUAD,
-EASE_CUBIC,
-EASE_QUART,
-EASE_QUINT,
-EASE_EXPO,
-EASE_CIRC,
-EASE_BACK,
-EASE_ELASTIC,
-EASE_BOUNCE,
-EASE_IN,
-EASE_INOUT = EASE_IN * 2,
-EASE_OUT = 0,
-};
- float ease(float t01, unsigned fn);
- float ease_pong(float t01, unsigned fn);
- float ease_ping_pong(float t, unsigned fn1, unsigned fn2);
- float ease_pong_ping(float t, unsigned fn1, unsigned fn2);
  float deg      (float radians);
  float rad      (float degrees);
  int   mini     (int    a, int    b);
@@ -1842,6 +1789,58 @@ EASE_OUT = 0,
  void print33( float *m );
  void print34( float *m );
  void print44( float *m );
+ float ease_linear(float t);
+ float ease_out_sine(float t);
+ float ease_out_quad(float t);
+ float ease_out_cubic(float t);
+ float ease_out_quart(float t);
+ float ease_out_quint(float t);
+ float ease_out_expo(float t);
+ float ease_out_circ(float t);
+ float ease_out_back(float t);
+ float ease_out_elastic(float t);
+ float ease_out_bounce(float t);
+ float ease_in_sine(float t);
+ float ease_in_quad(float t);
+ float ease_in_cubic(float t);
+ float ease_in_quart(float t);
+ float ease_in_quint(float t);
+ float ease_in_expo(float t);
+ float ease_in_circ(float t);
+ float ease_in_back(float t);
+ float ease_in_elastic(float t);
+ float ease_in_bounce(float t);
+ float ease_inout_sine(float t);
+ float ease_inout_quad(float t);
+ float ease_inout_cubic(float t);
+ float ease_inout_quart(float t);
+ float ease_inout_quint(float t);
+ float ease_inout_expo(float t);
+ float ease_inout_circ(float t);
+ float ease_inout_back(float t);
+ float ease_inout_elastic(float t);
+ float ease_inout_bounce(float t);
+ float ease_inout_perlin(float t);
+enum EASE_FLAGS {
+EASE_LINEAR,
+EASE_SINE,
+EASE_QUAD,
+EASE_CUBIC,
+EASE_QUART,
+EASE_QUINT,
+EASE_EXPO,
+EASE_CIRC,
+EASE_BACK,
+EASE_ELASTIC,
+EASE_BOUNCE,
+EASE_IN,
+EASE_INOUT = EASE_IN * 2,
+EASE_OUT = 0,
+};
+ float ease(float t01, unsigned fn);
+ float ease_pong(float t01, unsigned fn);
+ float ease_ping_pong(float t, unsigned fn1, unsigned fn2);
+ float ease_pong_ping(float t, unsigned fn1, unsigned fn2);
 typedef struct tween_keyframe_t {
 int easing_mode;
 float t;
diff --git a/engine/joint/v4k.h b/engine/joint/v4k.h
index a336a0a..f418068 100644
--- a/engine/joint/v4k.h
+++ b/engine/joint/v4k.h
@@ -14933,69 +14933,6 @@ API float simplex4( vec4 xyzw );
 
 // ----------------------------------------------------------------------------
 
-API float ease_linear(float t);
-API float ease_nearest(float t);
-
-API float ease_out_sine(float t);
-API float ease_out_quad(float t);
-API float ease_out_cubic(float t);
-API float ease_out_quart(float t);
-API float ease_out_quint(float t);
-API float ease_out_expo(float t);
-API float ease_out_circ(float t);
-API float ease_out_back(float t);
-API float ease_out_elastic(float t);
-API float ease_out_bounce(float t);
-
-API float ease_in_sine(float t);
-API float ease_in_quad(float t);
-API float ease_in_cubic(float t);
-API float ease_in_quart(float t);
-API float ease_in_quint(float t);
-API float ease_in_expo(float t);
-API float ease_in_circ(float t);
-API float ease_in_back(float t);
-API float ease_in_elastic(float t);
-API float ease_in_bounce(float t);
-
-API float ease_inout_sine(float t);
-API float ease_inout_quad(float t);
-API float ease_inout_cubic(float t);
-API float ease_inout_quart(float t);
-API float ease_inout_quint(float t);
-API float ease_inout_expo(float t);
-API float ease_inout_circ(float t);
-API float ease_inout_back(float t);
-API float ease_inout_elastic(float t);
-API float ease_inout_bounce(float t);
-
-API float ease_inout_perlin(float t);
-
-enum EASE_FLAGS {
-    EASE_LINEAR,
-    EASE_SINE,
-    EASE_QUAD,
-    EASE_CUBIC,
-    EASE_QUART,
-    EASE_QUINT,
-    EASE_EXPO,
-    EASE_CIRC,
-    EASE_BACK,
-    EASE_ELASTIC,
-    EASE_BOUNCE,
-
-    EASE_IN,
-    EASE_INOUT = EASE_IN * 2,
-    EASE_OUT = 0,
-};
-
-API float ease(float t01, unsigned fn); // / 0-to-1
-API float ease_pong(float t01, unsigned fn); // \ 1-to-0
-API float ease_ping_pong(float t, unsigned fn1, unsigned fn2); // /\ 0-to-1-to-0
-API float ease_pong_ping(float t, unsigned fn1, unsigned fn2); // \/ 1-to-0-to-1
-
-// ----------------------------------------------------------------------------
-
 API float deg      (float radians);
 API float rad      (float degrees);
 
@@ -15226,6 +15163,72 @@ API void print44( float *m );
 #line 0
 
 #line 1 "engine/split/v4k_tween.h"
+// ----------------------------------------------------------------------------
+// ease
+
+API float ease_linear(float t);
+
+API float ease_out_sine(float t);
+API float ease_out_quad(float t);
+API float ease_out_cubic(float t);
+API float ease_out_quart(float t);
+API float ease_out_quint(float t);
+API float ease_out_expo(float t);
+API float ease_out_circ(float t);
+API float ease_out_back(float t);
+API float ease_out_elastic(float t);
+API float ease_out_bounce(float t);
+
+API float ease_in_sine(float t);
+API float ease_in_quad(float t);
+API float ease_in_cubic(float t);
+API float ease_in_quart(float t);
+API float ease_in_quint(float t);
+API float ease_in_expo(float t);
+API float ease_in_circ(float t);
+API float ease_in_back(float t);
+API float ease_in_elastic(float t);
+API float ease_in_bounce(float t);
+
+API float ease_inout_sine(float t);
+API float ease_inout_quad(float t);
+API float ease_inout_cubic(float t);
+API float ease_inout_quart(float t);
+API float ease_inout_quint(float t);
+API float ease_inout_expo(float t);
+API float ease_inout_circ(float t);
+API float ease_inout_back(float t);
+API float ease_inout_elastic(float t);
+API float ease_inout_bounce(float t);
+
+API float ease_inout_perlin(float t);
+
+enum EASE_FLAGS {
+    EASE_LINEAR,
+    EASE_SINE,
+    EASE_QUAD,
+    EASE_CUBIC,
+    EASE_QUART,
+    EASE_QUINT,
+    EASE_EXPO,
+    EASE_CIRC,
+    EASE_BACK,
+    EASE_ELASTIC,
+    EASE_BOUNCE,
+
+    EASE_IN,
+    EASE_INOUT = EASE_IN * 2,
+    EASE_OUT = 0,
+};
+
+API float ease(float t01, unsigned fn); // / 0-to-1
+API float ease_pong(float t01, unsigned fn); // \ 1-to-0
+API float ease_ping_pong(float t, unsigned fn1, unsigned fn2); // /\ 0-to-1-to-0
+API float ease_pong_ping(float t, unsigned fn1, unsigned fn2); // \/ 1-to-0-to-1
+
+// ----------------------------------------------------------------------------
+// tween
+
 typedef struct tween_keyframe_t {
 	int easing_mode;
 	float t;
@@ -340988,7 +340991,7 @@ vec2 input2( int vk ) {
 
 // --- events
 
-const float MS2FRAME = 60.0f; // 60 hz/1000 ms
+const float MS2FRAME = 0.06f; // 60 hz/1000 ms
 
 int event( int vk ) {
     float v = input_frame(vk,0);
@@ -341015,29 +341018,18 @@ int input_up( int vk ) {
 int input_idle( int vk ) {
     return input_diff(vk) == 0 && input_frame(vk,0) <= 0; // input_frame(vk,-1) <= 0 && input_frame(vk,0) <= 0;
 }
-int input_repeat(int vk, int ms) {
-    assert(ms >= 0 && ms <= 1000);
-    float hz = window_fps() ? window_fps() : MS2FRAME;
-    return input_frame(vk, -ms * hz) > 0 && 
-           input_frame(vk, -ms * hz / 2.0) > 0 && 
-           input_frame(vk, 0) > 0;
+int input_repeat( int vk, int ms ) { // @fixme: broken
+    assert((unsigned)ms <= 1000);
+    return input_frame(vk,-ms * MS2FRAME ) > 0 && input_frame(vk,-ms * MS2FRAME /2) > 0 && input_frame(vk,0) > 0;
 }
-int input_click(int vk, int ms) {
-    assert(ms >= 0 && ms <= 1000);
-    float hz = window_fps() ? window_fps() : MS2FRAME;
-    return input_frame(vk, -ms * hz) <= 0 && 
-           input_frame(vk, -ms * hz / 2.0) > 0 && 
-           input_frame(vk, 0) <= 0;
+int input_click( int vk, int ms ) { // @fixme: broken
+    assert((unsigned)ms <= 1000);
+    return input_frame(vk,-ms * MS2FRAME ) <= 0 && input_frame(vk,-ms * MS2FRAME /2) > 0 && input_frame(vk,0) <= 0;
 }
-
-int input_click2(int vk, int ms) {
-    assert(ms >= 0 && ms <= 1000);
-    float hz = window_fps() ? window_fps() : MS2FRAME;
-    return input_frame(vk, -ms * hz) <= 0 && 
-           input_frame(vk, -ms * hz * 3 / 4.0) > 0 &&
-           input_frame(vk, -ms * hz * 2 / 4.0) <= 0 && 
-           input_frame(vk, -ms * hz * 1 / 4.0) > 0 && 
-           input_frame(vk, 0) <= 0;
+int input_click2( int vk, int ms ) { // @fixme: broken
+    assert((unsigned)ms <= 1000);
+    return input_frame(vk,-ms * MS2FRAME ) <= 0 && input_frame(vk,-ms * MS2FRAME *3/4) > 0
+    && input_frame(vk,-ms * MS2FRAME *2/4) <= 0 && input_frame(vk,-ms * MS2FRAME *1/4) > 0 && input_frame(vk,0) <= 0;
 }
 
 #undef MS2FRAME
@@ -341442,94 +341434,6 @@ float simplex4( vec4 v ) { return snoise4(v.x,v.y,v.z,v.w); }
 
 // ----------------------------------------------------------------------------
 
-float ease_linear(float t) { return t; }
-float ease_nearest(float t) { return t >= 0.5f ? 1.0f : 0.0f; }
-
-float ease_out_sine(float t) { return sinf(t*(C_PI*0.5f)); }
-float ease_out_quad(float t) { return -(t*(t-2)); }
-float ease_out_cubic(float t) { float f=t-1; return f*f*f+1; }
-float ease_out_quart(float t) { float f=t-1; return f*f*f*(1-t)+1; }
-float ease_out_quint(float t) { float f=(t-1); return f*f*f*f*f+1; }
-float ease_out_expo(float t) { return (t >= 1) ? t : 1-powf(2,-10*t); }
-float ease_out_circ(float t) { return sqrtf((2-t)*t); }
-float ease_out_back(float t) { float f=1-t; return 1-(f*f*f-f*sinf(f*C_PI)); }
-float ease_out_elastic(float t) { return sinf(-13*(C_PI*0.5f)*(t+1))*powf(2,-10*t)+1; }
-float ease_out_bounce(float t) { return (t < 4.f/11) ? (121.f*t*t)/16 : (t < 8.f/11) ? (363.f/40*t*t)-(99.f/10*t)+17.f/5 : (t < 9.f/10) ? (4356.f/361*t*t)-(35442.f/1805*t)+16061.f/1805 : (54.f/5*t*t)-(513.f/25*t)+268.f/25; }
-
-float ease_in_sine(float t) { return 1+sinf((t-1)*(C_PI*0.5f)); }
-float ease_in_quad(float t) { return t*t; }
-float ease_in_cubic(float t) { return t*t*t; }
-float ease_in_quart(float t) { return t*t*t*t; }
-float ease_in_quint(float t) { return t*t*t*t*t; }
-float ease_in_expo(float t) { return (t <= 0) ? t : powf(2,10*(t-1)); }
-float ease_in_circ(float t) { return 1-sqrtf(1-(t*t)); }
-float ease_in_back(float t) { return t*t*t-t*sinf(t*C_PI); }
-float ease_in_elastic(float t) { return sinf(13*(C_PI*0.5f)*t)*powf(2,10*(t-1)); }
-float ease_in_bounce(float t) { return 1-ease_out_bounce(1-t); }
-
-float ease_inout_sine(float t) { return 0.5f*(1-cosf(t*C_PI)); }
-float ease_inout_quad(float t) { return (t < 0.5f) ? 2*t*t : (-2*t*t)+(4*t)-1; }
-float ease_inout_cubic(float t) { float f; return (t < 0.5f) ? 4*t*t*t : (f=(2*t)-2,0.5f*f*f*f+1); }
-float ease_inout_quart(float t) { float f; return (t < 0.5f) ? 8*t*t*t*t : (f=(t-1),-8*f*f*f*f+1); }
-float ease_inout_quint(float t) { float f; return (t < 0.5f) ? 16*t*t*t*t*t : (f=((2*t)-2),0.5f*f*f*f*f*f+1); }
-float ease_inout_expo(float t) { return (t <= 0 || t >= 1) ? t : t < 0.5f ? 0.5f*powf(2,(20*t)-10) : -0.5f*powf(2,(-20*t)+10)+1; }
-float ease_inout_circ(float t) { return t < 0.5f ? 0.5f*(1-sqrtf(1-4*(t*t))) : 0.5f*(sqrtf(-((2*t)-3)*((2*t)-1))+1); }
-float ease_inout_back(float t) { float f; return t < 0.5f ? (f=2*t,0.5f*(f*f*f-f*sinf(f*C_PI))) : (f=(1-(2*t-1)),0.5f*(1-(f*f*f-f*sinf(f*C_PI)))+0.5f); }
-float ease_inout_elastic(float t) { return t < 0.5f ? 0.5f*sinf(13*(C_PI*0.5f)*(2*t))*powf(2,10*((2*t)-1)) : 0.5f*(sinf(-13*(C_PI*0.5f)*((2*t-1)+1))*powf(2,-10*(2*t-1))+2); }
-float ease_inout_bounce(float t) { return t < 0.5f ? 0.5f*ease_in_bounce(t*2) : 0.5f*ease_out_bounce(t*2-1)+0.5f; }
-
-float ease_inout_perlin(float t) { float t3=t*t*t,t4=t3*t,t5=t4*t; return 6*t5-15*t4+10*t3; }
-
-float ease(float t01, unsigned mode) {
-    typedef float (*easing)(float);
-    easing modes[] = {
-        ease_linear,
-        ease_out_sine,
-        ease_out_quad,
-        ease_out_cubic,
-        ease_out_quart,
-        ease_out_quint,
-        ease_out_expo,
-        ease_out_circ,
-        ease_out_back,
-        ease_out_elastic,
-        ease_out_bounce,
-
-        ease_linear,
-        ease_in_sine,
-        ease_in_quad,
-        ease_in_cubic,
-        ease_in_quart,
-        ease_in_quint,
-        ease_in_expo,
-        ease_in_circ,
-        ease_in_back,
-        ease_in_elastic,
-        ease_in_bounce,
-
-        ease_linear,
-        ease_inout_sine,
-        ease_inout_quad,
-        ease_inout_cubic,
-        ease_inout_quart,
-        ease_inout_quint,
-        ease_inout_expo,
-        ease_inout_circ,
-        ease_inout_back,
-        ease_inout_elastic,
-        ease_inout_bounce,
-
-        ease_inout_perlin,
-    };
-    return modes[clampi(mode, 0, countof(modes))](clampf(t01,0,1));
-}
-
-float ease_pong(float t, unsigned fn) { return 1 - ease(t, fn); }
-float ease_ping_pong(float t, unsigned fn1, unsigned fn2) { return t < 0.5 ? ease(t*2,fn1) : ease(1-(t-0.5)*2,fn2); }
-float ease_pong_ping(float t, unsigned fn1, unsigned fn2) { return 1 - ease_ping_pong(t,fn1,fn2); }
-
-// ----------------------------------------------------------------------------
-
 float deg      (float radians)      { return radians / C_PI * 180.0f; }
 float rad      (float degrees)      { return degrees * C_PI / 180.0f; }
 
@@ -342333,6 +342237,97 @@ AUTORUN {
 #line 0
 
 #line 1 "engine/split/v4k_tween.c"
+// ----------------------------------------------------------------------------
+// ease
+
+float ease_linear(float t) { return t; }
+
+float ease_out_sine(float t) { return sinf(t*(C_PI*0.5f)); }
+float ease_out_quad(float t) { return -(t*(t-2)); }
+float ease_out_cubic(float t) { float f=t-1; return f*f*f+1; }
+float ease_out_quart(float t) { float f=t-1; return f*f*f*(1-t)+1; }
+float ease_out_quint(float t) { float f=(t-1); return f*f*f*f*f+1; }
+float ease_out_expo(float t) { return (t >= 1) ? t : 1-powf(2,-10*t); }
+float ease_out_circ(float t) { return sqrtf((2-t)*t); }
+float ease_out_back(float t) { float f=1-t; return 1-(f*f*f-f*sinf(f*C_PI)); }
+float ease_out_elastic(float t) { return sinf(-13*(C_PI*0.5f)*(t+1))*powf(2,-10*t)+1; }
+float ease_out_bounce(float t) { return (t < 4.f/11) ? (121.f*t*t)/16 : (t < 8.f/11) ? (363.f/40*t*t)-(99.f/10*t)+17.f/5 : (t < 9.f/10) ? (4356.f/361*t*t)-(35442.f/1805*t)+16061.f/1805 : (54.f/5*t*t)-(513.f/25*t)+268.f/25; }
+
+float ease_in_sine(float t) { return 1+sinf((t-1)*(C_PI*0.5f)); }
+float ease_in_quad(float t) { return t*t; }
+float ease_in_cubic(float t) { return t*t*t; }
+float ease_in_quart(float t) { return t*t*t*t; }
+float ease_in_quint(float t) { return t*t*t*t*t; }
+float ease_in_expo(float t) { return (t <= 0) ? t : powf(2,10*(t-1)); }
+float ease_in_circ(float t) { return 1-sqrtf(1-(t*t)); }
+float ease_in_back(float t) { return t*t*t-t*sinf(t*C_PI); }
+float ease_in_elastic(float t) { return sinf(13*(C_PI*0.5f)*t)*powf(2,10*(t-1)); }
+float ease_in_bounce(float t) { return 1-ease_out_bounce(1-t); }
+
+float ease_inout_sine(float t) { return 0.5f*(1-cosf(t*C_PI)); }
+float ease_inout_quad(float t) { return (t < 0.5f) ? 2*t*t : (-2*t*t)+(4*t)-1; }
+float ease_inout_cubic(float t) { float f; return (t < 0.5f) ? 4*t*t*t : (f=(2*t)-2,0.5f*f*f*f+1); }
+float ease_inout_quart(float t) { float f; return (t < 0.5f) ? 8*t*t*t*t : (f=(t-1),-8*f*f*f*f+1); }
+float ease_inout_quint(float t) { float f; return (t < 0.5f) ? 16*t*t*t*t*t : (f=((2*t)-2),0.5f*f*f*f*f*f+1); }
+float ease_inout_expo(float t) { return (t <= 0 || t >= 1) ? t : t < 0.5f ? 0.5f*powf(2,(20*t)-10) : -0.5f*powf(2,(-20*t)+10)+1; }
+float ease_inout_circ(float t) { return t < 0.5f ? 0.5f*(1-sqrtf(1-4*(t*t))) : 0.5f*(sqrtf(-((2*t)-3)*((2*t)-1))+1); }
+float ease_inout_back(float t) { float f; return t < 0.5f ? (f=2*t,0.5f*(f*f*f-f*sinf(f*C_PI))) : (f=(1-(2*t-1)),0.5f*(1-(f*f*f-f*sinf(f*C_PI)))+0.5f); }
+float ease_inout_elastic(float t) { return t < 0.5f ? 0.5f*sinf(13*(C_PI*0.5f)*(2*t))*powf(2,10*((2*t)-1)) : 0.5f*(sinf(-13*(C_PI*0.5f)*((2*t-1)+1))*powf(2,-10*(2*t-1))+2); }
+float ease_inout_bounce(float t) { return t < 0.5f ? 0.5f*ease_in_bounce(t*2) : 0.5f*ease_out_bounce(t*2-1)+0.5f; }
+
+float ease_inout_perlin(float t) { float t3=t*t*t,t4=t3*t,t5=t4*t; return 6*t5-15*t4+10*t3; }
+
+float ease(float t01, unsigned mode) {
+    typedef float (*easing)(float);
+    easing modes[] = {
+        ease_linear,
+        ease_out_sine,
+        ease_out_quad,
+        ease_out_cubic,
+        ease_out_quart,
+        ease_out_quint,
+        ease_out_expo,
+        ease_out_circ,
+        ease_out_back,
+        ease_out_elastic,
+        ease_out_bounce,
+
+        ease_linear,
+        ease_in_sine,
+        ease_in_quad,
+        ease_in_cubic,
+        ease_in_quart,
+        ease_in_quint,
+        ease_in_expo,
+        ease_in_circ,
+        ease_in_back,
+        ease_in_elastic,
+        ease_in_bounce,
+
+        ease_linear,
+        ease_inout_sine,
+        ease_inout_quad,
+        ease_inout_cubic,
+        ease_inout_quart,
+        ease_inout_quint,
+        ease_inout_expo,
+        ease_inout_circ,
+        ease_inout_back,
+        ease_inout_elastic,
+        ease_inout_bounce,
+
+        ease_inout_perlin,
+    };
+    return modes[clampi(mode, 0, countof(modes))](clampf(t01,0,1));
+}
+
+float ease_pong(float t, unsigned fn) { return 1 - ease(t, fn); }
+float ease_ping_pong(float t, unsigned fn1, unsigned fn2) { return t < 0.5 ? ease(t*2,fn1) : ease(1-(t-0.5)*2,fn2); }
+float ease_pong_ping(float t, unsigned fn1, unsigned fn2) { return 1 - ease_ping_pong(t,fn1,fn2); }
+
+// ----------------------------------------------------------------------------
+// tween
+
 tween_t tween() {
 	tween_t tw = {0};
 	return tw;
@@ -342367,7 +342362,7 @@ void tween_destroy(tween_t *tw) {
 	*tw = tw_;
 }
 
-static inline
+static INLINE
 int tween_comp_keyframes(const void *a, const void *b) {
     float t1 = ((const tween_keyframe_t*)a)->t;
     float t2 = ((const tween_keyframe_t*)b)->t;
@@ -342381,7 +342376,7 @@ void tween_keyframe_set(tween_t *tw, float t, int mode, vec3 v) {
 	tw->duration = array_back(tw->keyframes)->t;
 }
 
-void tween_keyframe_unset(tween_t *tw, float t) { /*@todo: untested*/
+void tween_keyframe_unset(tween_t *tw, float t) { // @todo: untested
 	int id = -1;
 	for (int i = 0; i < array_count(tw->keyframes); i++) {
 		if (tw->keyframes[i].t == t) {
@@ -353232,7 +353227,6 @@ nk_hovered_text(struct nk_context *ctx, const char *str, int len,
     int embedded = !!ui_ctx->current; \
     struct nk_rect total_space = {0,0,window_width(),window_height()}; \
     if( embedded ) total_space = nk_window_get_bounds(ui_ctx), total_space.w -= 10; \
-    vec2 popup_space = { total_space.w * 0.33, total_space.h * 0.85 }; \
     int created = !embedded && nk_begin(ui_ctx, "MENU_" STRINGIZE(__COUNTER__), nk_rect(0, 0, window_width(), UI_MENUROW_HEIGHT), NK_WINDOW_NO_SCROLLBAR); \
     if ( embedded || created ) { \
         int align = NK_TEXT_LEFT, Nth = (N), ITEM_WIDTH = 30, span = 0; \
@@ -353242,10 +353236,10 @@ nk_hovered_text(struct nk_context *ctx, const char *str, int len,
         nk_menubar_end(ui_ctx); \
         if( created ) nk_end(ui_ctx); \
     } } while(0)
-#define UI_MENU_POPUP(title, ...) { \
+#define UI_MENU_POPUP(title, px, ...) { \
     int hspace = maxi(ITEM_WIDTH, nk_text_width(ui_ctx,(title),0)); \
     nk_layout_row_push(ui_ctx, hspace); span += hspace; \
-    if (nk_menu_begin_label(ui_ctx, (title), align, nk_vec2(popup_space.w,popup_space.h))) { \
+    if (nk_menu_begin_label(ui_ctx, (title), align, nk_vec2(px.x>1?px.x:px.x*total_space.w,px.y>1?px.y:px.y*total_space.h))) { \
         __VA_ARGS__; \
         nk_menu_end(ui_ctx); \
     }}
diff --git a/engine/split/v4k_input.c b/engine/split/v4k_input.c
index fdac191..1610c9d 100644
--- a/engine/split/v4k_input.c
+++ b/engine/split/v4k_input.c
@@ -398,7 +398,7 @@ vec2 input2( int vk ) {
 
 // --- events
 
-const float MS2FRAME = 60.0f; // 60 hz/1000 ms
+const float MS2FRAME = 0.06f; // 60 hz/1000 ms
 
 int event( int vk ) {
     float v = input_frame(vk,0);
@@ -425,29 +425,18 @@ int input_up( int vk ) {
 int input_idle( int vk ) {
     return input_diff(vk) == 0 && input_frame(vk,0) <= 0; // input_frame(vk,-1) <= 0 && input_frame(vk,0) <= 0;
 }
-int input_repeat(int vk, int ms) {
-    assert(ms >= 0 && ms <= 1000);
-    float hz = window_fps() ? window_fps() : MS2FRAME;
-    return input_frame(vk, -ms * hz) > 0 && 
-           input_frame(vk, -ms * hz / 2.0) > 0 && 
-           input_frame(vk, 0) > 0;
+int input_repeat( int vk, int ms ) { // @fixme: broken
+    assert((unsigned)ms <= 1000);
+    return input_frame(vk,-ms * MS2FRAME ) > 0 && input_frame(vk,-ms * MS2FRAME /2) > 0 && input_frame(vk,0) > 0;
 }
-int input_click(int vk, int ms) {
-    assert(ms >= 0 && ms <= 1000);
-    float hz = window_fps() ? window_fps() : MS2FRAME;
-    return input_frame(vk, -ms * hz) <= 0 && 
-           input_frame(vk, -ms * hz / 2.0) > 0 && 
-           input_frame(vk, 0) <= 0;
+int input_click( int vk, int ms ) { // @fixme: broken
+    assert((unsigned)ms <= 1000);
+    return input_frame(vk,-ms * MS2FRAME ) <= 0 && input_frame(vk,-ms * MS2FRAME /2) > 0 && input_frame(vk,0) <= 0;
 }
-
-int input_click2(int vk, int ms) {
-    assert(ms >= 0 && ms <= 1000);
-    float hz = window_fps() ? window_fps() : MS2FRAME;
-    return input_frame(vk, -ms * hz) <= 0 && 
-           input_frame(vk, -ms * hz * 3 / 4.0) > 0 &&
-           input_frame(vk, -ms * hz * 2 / 4.0) <= 0 && 
-           input_frame(vk, -ms * hz * 1 / 4.0) > 0 && 
-           input_frame(vk, 0) <= 0;
+int input_click2( int vk, int ms ) { // @fixme: broken
+    assert((unsigned)ms <= 1000);
+    return input_frame(vk,-ms * MS2FRAME ) <= 0 && input_frame(vk,-ms * MS2FRAME *3/4) > 0
+    && input_frame(vk,-ms * MS2FRAME *2/4) <= 0 && input_frame(vk,-ms * MS2FRAME *1/4) > 0 && input_frame(vk,0) <= 0;
 }
 
 #undef MS2FRAME
diff --git a/engine/split/v4k_math.c b/engine/split/v4k_math.c
index c44dc8b..1173d9b 100644
--- a/engine/split/v4k_math.c
+++ b/engine/split/v4k_math.c
@@ -75,94 +75,6 @@ float simplex4( vec4 v ) { return snoise4(v.x,v.y,v.z,v.w); }
 
 // ----------------------------------------------------------------------------
 
-float ease_linear(float t) { return t; }
-float ease_nearest(float t) { return t >= 0.5f ? 1.0f : 0.0f; }
-
-float ease_out_sine(float t) { return sinf(t*(C_PI*0.5f)); }
-float ease_out_quad(float t) { return -(t*(t-2)); }
-float ease_out_cubic(float t) { float f=t-1; return f*f*f+1; }
-float ease_out_quart(float t) { float f=t-1; return f*f*f*(1-t)+1; }
-float ease_out_quint(float t) { float f=(t-1); return f*f*f*f*f+1; }
-float ease_out_expo(float t) { return (t >= 1) ? t : 1-powf(2,-10*t); }
-float ease_out_circ(float t) { return sqrtf((2-t)*t); }
-float ease_out_back(float t) { float f=1-t; return 1-(f*f*f-f*sinf(f*C_PI)); }
-float ease_out_elastic(float t) { return sinf(-13*(C_PI*0.5f)*(t+1))*powf(2,-10*t)+1; }
-float ease_out_bounce(float t) { return (t < 4.f/11) ? (121.f*t*t)/16 : (t < 8.f/11) ? (363.f/40*t*t)-(99.f/10*t)+17.f/5 : (t < 9.f/10) ? (4356.f/361*t*t)-(35442.f/1805*t)+16061.f/1805 : (54.f/5*t*t)-(513.f/25*t)+268.f/25; }
-
-float ease_in_sine(float t) { return 1+sinf((t-1)*(C_PI*0.5f)); }
-float ease_in_quad(float t) { return t*t; }
-float ease_in_cubic(float t) { return t*t*t; }
-float ease_in_quart(float t) { return t*t*t*t; }
-float ease_in_quint(float t) { return t*t*t*t*t; }
-float ease_in_expo(float t) { return (t <= 0) ? t : powf(2,10*(t-1)); }
-float ease_in_circ(float t) { return 1-sqrtf(1-(t*t)); }
-float ease_in_back(float t) { return t*t*t-t*sinf(t*C_PI); }
-float ease_in_elastic(float t) { return sinf(13*(C_PI*0.5f)*t)*powf(2,10*(t-1)); }
-float ease_in_bounce(float t) { return 1-ease_out_bounce(1-t); }
-
-float ease_inout_sine(float t) { return 0.5f*(1-cosf(t*C_PI)); }
-float ease_inout_quad(float t) { return (t < 0.5f) ? 2*t*t : (-2*t*t)+(4*t)-1; }
-float ease_inout_cubic(float t) { float f; return (t < 0.5f) ? 4*t*t*t : (f=(2*t)-2,0.5f*f*f*f+1); }
-float ease_inout_quart(float t) { float f; return (t < 0.5f) ? 8*t*t*t*t : (f=(t-1),-8*f*f*f*f+1); }
-float ease_inout_quint(float t) { float f; return (t < 0.5f) ? 16*t*t*t*t*t : (f=((2*t)-2),0.5f*f*f*f*f*f+1); }
-float ease_inout_expo(float t) { return (t <= 0 || t >= 1) ? t : t < 0.5f ? 0.5f*powf(2,(20*t)-10) : -0.5f*powf(2,(-20*t)+10)+1; }
-float ease_inout_circ(float t) { return t < 0.5f ? 0.5f*(1-sqrtf(1-4*(t*t))) : 0.5f*(sqrtf(-((2*t)-3)*((2*t)-1))+1); }
-float ease_inout_back(float t) { float f; return t < 0.5f ? (f=2*t,0.5f*(f*f*f-f*sinf(f*C_PI))) : (f=(1-(2*t-1)),0.5f*(1-(f*f*f-f*sinf(f*C_PI)))+0.5f); }
-float ease_inout_elastic(float t) { return t < 0.5f ? 0.5f*sinf(13*(C_PI*0.5f)*(2*t))*powf(2,10*((2*t)-1)) : 0.5f*(sinf(-13*(C_PI*0.5f)*((2*t-1)+1))*powf(2,-10*(2*t-1))+2); }
-float ease_inout_bounce(float t) { return t < 0.5f ? 0.5f*ease_in_bounce(t*2) : 0.5f*ease_out_bounce(t*2-1)+0.5f; }
-
-float ease_inout_perlin(float t) { float t3=t*t*t,t4=t3*t,t5=t4*t; return 6*t5-15*t4+10*t3; }
-
-float ease(float t01, unsigned mode) {
-    typedef float (*easing)(float);
-    easing modes[] = {
-        ease_linear,
-        ease_out_sine,
-        ease_out_quad,
-        ease_out_cubic,
-        ease_out_quart,
-        ease_out_quint,
-        ease_out_expo,
-        ease_out_circ,
-        ease_out_back,
-        ease_out_elastic,
-        ease_out_bounce,
-
-        ease_linear,
-        ease_in_sine,
-        ease_in_quad,
-        ease_in_cubic,
-        ease_in_quart,
-        ease_in_quint,
-        ease_in_expo,
-        ease_in_circ,
-        ease_in_back,
-        ease_in_elastic,
-        ease_in_bounce,
-
-        ease_linear,
-        ease_inout_sine,
-        ease_inout_quad,
-        ease_inout_cubic,
-        ease_inout_quart,
-        ease_inout_quint,
-        ease_inout_expo,
-        ease_inout_circ,
-        ease_inout_back,
-        ease_inout_elastic,
-        ease_inout_bounce,
-
-        ease_inout_perlin,
-    };
-    return modes[clampi(mode, 0, countof(modes))](clampf(t01,0,1));
-}
-
-float ease_pong(float t, unsigned fn) { return 1 - ease(t, fn); }
-float ease_ping_pong(float t, unsigned fn1, unsigned fn2) { return t < 0.5 ? ease(t*2,fn1) : ease(1-(t-0.5)*2,fn2); }
-float ease_pong_ping(float t, unsigned fn1, unsigned fn2) { return 1 - ease_ping_pong(t,fn1,fn2); }
-
-// ----------------------------------------------------------------------------
-
 float deg      (float radians)      { return radians / C_PI * 180.0f; }
 float rad      (float degrees)      { return degrees * C_PI / 180.0f; }
 
diff --git a/engine/split/v4k_math.h b/engine/split/v4k_math.h
index d243578..c46df1c 100644
--- a/engine/split/v4k_math.h
+++ b/engine/split/v4k_math.h
@@ -49,69 +49,6 @@ API float simplex4( vec4 xyzw );
 
 // ----------------------------------------------------------------------------
 
-API float ease_linear(float t);
-API float ease_nearest(float t);
-
-API float ease_out_sine(float t);
-API float ease_out_quad(float t);
-API float ease_out_cubic(float t);
-API float ease_out_quart(float t);
-API float ease_out_quint(float t);
-API float ease_out_expo(float t);
-API float ease_out_circ(float t);
-API float ease_out_back(float t);
-API float ease_out_elastic(float t);
-API float ease_out_bounce(float t);
-
-API float ease_in_sine(float t);
-API float ease_in_quad(float t);
-API float ease_in_cubic(float t);
-API float ease_in_quart(float t);
-API float ease_in_quint(float t);
-API float ease_in_expo(float t);
-API float ease_in_circ(float t);
-API float ease_in_back(float t);
-API float ease_in_elastic(float t);
-API float ease_in_bounce(float t);
-
-API float ease_inout_sine(float t);
-API float ease_inout_quad(float t);
-API float ease_inout_cubic(float t);
-API float ease_inout_quart(float t);
-API float ease_inout_quint(float t);
-API float ease_inout_expo(float t);
-API float ease_inout_circ(float t);
-API float ease_inout_back(float t);
-API float ease_inout_elastic(float t);
-API float ease_inout_bounce(float t);
-
-API float ease_inout_perlin(float t);
-
-enum EASE_FLAGS {
-    EASE_LINEAR,
-    EASE_SINE,
-    EASE_QUAD,
-    EASE_CUBIC,
-    EASE_QUART,
-    EASE_QUINT,
-    EASE_EXPO,
-    EASE_CIRC,
-    EASE_BACK,
-    EASE_ELASTIC,
-    EASE_BOUNCE,
-
-    EASE_IN,
-    EASE_INOUT = EASE_IN * 2,
-    EASE_OUT = 0,
-};
-
-API float ease(float t01, unsigned fn); // / 0-to-1
-API float ease_pong(float t01, unsigned fn); // \ 1-to-0
-API float ease_ping_pong(float t, unsigned fn1, unsigned fn2); // /\ 0-to-1-to-0
-API float ease_pong_ping(float t, unsigned fn1, unsigned fn2); // \/ 1-to-0-to-1
-
-// ----------------------------------------------------------------------------
-
 API float deg      (float radians);
 API float rad      (float degrees);
 
diff --git a/engine/split/v4k_tween.c b/engine/split/v4k_tween.c
index edf1461..61ce551 100644
--- a/engine/split/v4k_tween.c
+++ b/engine/split/v4k_tween.c
@@ -1,3 +1,94 @@
+// ----------------------------------------------------------------------------
+// ease
+
+float ease_linear(float t) { return t; }
+
+float ease_out_sine(float t) { return sinf(t*(C_PI*0.5f)); }
+float ease_out_quad(float t) { return -(t*(t-2)); }
+float ease_out_cubic(float t) { float f=t-1; return f*f*f+1; }
+float ease_out_quart(float t) { float f=t-1; return f*f*f*(1-t)+1; }
+float ease_out_quint(float t) { float f=(t-1); return f*f*f*f*f+1; }
+float ease_out_expo(float t) { return (t >= 1) ? t : 1-powf(2,-10*t); }
+float ease_out_circ(float t) { return sqrtf((2-t)*t); }
+float ease_out_back(float t) { float f=1-t; return 1-(f*f*f-f*sinf(f*C_PI)); }
+float ease_out_elastic(float t) { return sinf(-13*(C_PI*0.5f)*(t+1))*powf(2,-10*t)+1; }
+float ease_out_bounce(float t) { return (t < 4.f/11) ? (121.f*t*t)/16 : (t < 8.f/11) ? (363.f/40*t*t)-(99.f/10*t)+17.f/5 : (t < 9.f/10) ? (4356.f/361*t*t)-(35442.f/1805*t)+16061.f/1805 : (54.f/5*t*t)-(513.f/25*t)+268.f/25; }
+
+float ease_in_sine(float t) { return 1+sinf((t-1)*(C_PI*0.5f)); }
+float ease_in_quad(float t) { return t*t; }
+float ease_in_cubic(float t) { return t*t*t; }
+float ease_in_quart(float t) { return t*t*t*t; }
+float ease_in_quint(float t) { return t*t*t*t*t; }
+float ease_in_expo(float t) { return (t <= 0) ? t : powf(2,10*(t-1)); }
+float ease_in_circ(float t) { return 1-sqrtf(1-(t*t)); }
+float ease_in_back(float t) { return t*t*t-t*sinf(t*C_PI); }
+float ease_in_elastic(float t) { return sinf(13*(C_PI*0.5f)*t)*powf(2,10*(t-1)); }
+float ease_in_bounce(float t) { return 1-ease_out_bounce(1-t); }
+
+float ease_inout_sine(float t) { return 0.5f*(1-cosf(t*C_PI)); }
+float ease_inout_quad(float t) { return (t < 0.5f) ? 2*t*t : (-2*t*t)+(4*t)-1; }
+float ease_inout_cubic(float t) { float f; return (t < 0.5f) ? 4*t*t*t : (f=(2*t)-2,0.5f*f*f*f+1); }
+float ease_inout_quart(float t) { float f; return (t < 0.5f) ? 8*t*t*t*t : (f=(t-1),-8*f*f*f*f+1); }
+float ease_inout_quint(float t) { float f; return (t < 0.5f) ? 16*t*t*t*t*t : (f=((2*t)-2),0.5f*f*f*f*f*f+1); }
+float ease_inout_expo(float t) { return (t <= 0 || t >= 1) ? t : t < 0.5f ? 0.5f*powf(2,(20*t)-10) : -0.5f*powf(2,(-20*t)+10)+1; }
+float ease_inout_circ(float t) { return t < 0.5f ? 0.5f*(1-sqrtf(1-4*(t*t))) : 0.5f*(sqrtf(-((2*t)-3)*((2*t)-1))+1); }
+float ease_inout_back(float t) { float f; return t < 0.5f ? (f=2*t,0.5f*(f*f*f-f*sinf(f*C_PI))) : (f=(1-(2*t-1)),0.5f*(1-(f*f*f-f*sinf(f*C_PI)))+0.5f); }
+float ease_inout_elastic(float t) { return t < 0.5f ? 0.5f*sinf(13*(C_PI*0.5f)*(2*t))*powf(2,10*((2*t)-1)) : 0.5f*(sinf(-13*(C_PI*0.5f)*((2*t-1)+1))*powf(2,-10*(2*t-1))+2); }
+float ease_inout_bounce(float t) { return t < 0.5f ? 0.5f*ease_in_bounce(t*2) : 0.5f*ease_out_bounce(t*2-1)+0.5f; }
+
+float ease_inout_perlin(float t) { float t3=t*t*t,t4=t3*t,t5=t4*t; return 6*t5-15*t4+10*t3; }
+
+float ease(float t01, unsigned mode) {
+    typedef float (*easing)(float);
+    easing modes[] = {
+        ease_linear,
+        ease_out_sine,
+        ease_out_quad,
+        ease_out_cubic,
+        ease_out_quart,
+        ease_out_quint,
+        ease_out_expo,
+        ease_out_circ,
+        ease_out_back,
+        ease_out_elastic,
+        ease_out_bounce,
+
+        ease_linear,
+        ease_in_sine,
+        ease_in_quad,
+        ease_in_cubic,
+        ease_in_quart,
+        ease_in_quint,
+        ease_in_expo,
+        ease_in_circ,
+        ease_in_back,
+        ease_in_elastic,
+        ease_in_bounce,
+
+        ease_linear,
+        ease_inout_sine,
+        ease_inout_quad,
+        ease_inout_cubic,
+        ease_inout_quart,
+        ease_inout_quint,
+        ease_inout_expo,
+        ease_inout_circ,
+        ease_inout_back,
+        ease_inout_elastic,
+        ease_inout_bounce,
+
+        ease_inout_perlin,
+    };
+    return modes[clampi(mode, 0, countof(modes))](clampf(t01,0,1));
+}
+
+float ease_pong(float t, unsigned fn) { return 1 - ease(t, fn); }
+float ease_ping_pong(float t, unsigned fn1, unsigned fn2) { return t < 0.5 ? ease(t*2,fn1) : ease(1-(t-0.5)*2,fn2); }
+float ease_pong_ping(float t, unsigned fn1, unsigned fn2) { return 1 - ease_ping_pong(t,fn1,fn2); }
+
+// ----------------------------------------------------------------------------
+// tween
+
 tween_t tween() {
 	tween_t tw = {0};
 	return tw;
@@ -32,7 +123,7 @@ void tween_destroy(tween_t *tw) {
 	*tw = tw_;
 }
 
-static inline
+static INLINE
 int tween_comp_keyframes(const void *a, const void *b) {
     float t1 = ((const tween_keyframe_t*)a)->t;
     float t2 = ((const tween_keyframe_t*)b)->t;
@@ -46,7 +137,7 @@ void tween_keyframe_set(tween_t *tw, float t, int mode, vec3 v) {
 	tw->duration = array_back(tw->keyframes)->t;
 }
 
-void tween_keyframe_unset(tween_t *tw, float t) { /*@todo: untested*/
+void tween_keyframe_unset(tween_t *tw, float t) { // @todo: untested
 	int id = -1;
 	for (int i = 0; i < array_count(tw->keyframes); i++) {
 		if (tw->keyframes[i].t == t) {
diff --git a/engine/split/v4k_tween.h b/engine/split/v4k_tween.h
index 802da0e..4cf4781 100644
--- a/engine/split/v4k_tween.h
+++ b/engine/split/v4k_tween.h
@@ -1,3 +1,69 @@
+// ----------------------------------------------------------------------------
+// ease
+
+API float ease_linear(float t);
+
+API float ease_out_sine(float t);
+API float ease_out_quad(float t);
+API float ease_out_cubic(float t);
+API float ease_out_quart(float t);
+API float ease_out_quint(float t);
+API float ease_out_expo(float t);
+API float ease_out_circ(float t);
+API float ease_out_back(float t);
+API float ease_out_elastic(float t);
+API float ease_out_bounce(float t);
+
+API float ease_in_sine(float t);
+API float ease_in_quad(float t);
+API float ease_in_cubic(float t);
+API float ease_in_quart(float t);
+API float ease_in_quint(float t);
+API float ease_in_expo(float t);
+API float ease_in_circ(float t);
+API float ease_in_back(float t);
+API float ease_in_elastic(float t);
+API float ease_in_bounce(float t);
+
+API float ease_inout_sine(float t);
+API float ease_inout_quad(float t);
+API float ease_inout_cubic(float t);
+API float ease_inout_quart(float t);
+API float ease_inout_quint(float t);
+API float ease_inout_expo(float t);
+API float ease_inout_circ(float t);
+API float ease_inout_back(float t);
+API float ease_inout_elastic(float t);
+API float ease_inout_bounce(float t);
+
+API float ease_inout_perlin(float t);
+
+enum EASE_FLAGS {
+    EASE_LINEAR,
+    EASE_SINE,
+    EASE_QUAD,
+    EASE_CUBIC,
+    EASE_QUART,
+    EASE_QUINT,
+    EASE_EXPO,
+    EASE_CIRC,
+    EASE_BACK,
+    EASE_ELASTIC,
+    EASE_BOUNCE,
+
+    EASE_IN,
+    EASE_INOUT = EASE_IN * 2,
+    EASE_OUT = 0,
+};
+
+API float ease(float t01, unsigned fn); // / 0-to-1
+API float ease_pong(float t01, unsigned fn); // \ 1-to-0
+API float ease_ping_pong(float t, unsigned fn1, unsigned fn2); // /\ 0-to-1-to-0
+API float ease_pong_ping(float t, unsigned fn1, unsigned fn2); // \/ 1-to-0-to-1
+
+// ----------------------------------------------------------------------------
+// tween
+
 typedef struct tween_keyframe_t {
 	int easing_mode;
 	float t;
diff --git a/engine/split/v4k_ui.c b/engine/split/v4k_ui.c
index 3e590f7..3621a1e 100644
--- a/engine/split/v4k_ui.c
+++ b/engine/split/v4k_ui.c
@@ -81,7 +81,6 @@ nk_hovered_text(struct nk_context *ctx, const char *str, int len,
     int embedded = !!ui_ctx->current; \
     struct nk_rect total_space = {0,0,window_width(),window_height()}; \
     if( embedded ) total_space = nk_window_get_bounds(ui_ctx), total_space.w -= 10; \
-    vec2 popup_space = { total_space.w * 0.33, total_space.h * 0.85 }; \
     int created = !embedded && nk_begin(ui_ctx, "MENU_" STRINGIZE(__COUNTER__), nk_rect(0, 0, window_width(), UI_MENUROW_HEIGHT), NK_WINDOW_NO_SCROLLBAR); \
     if ( embedded || created ) { \
         int align = NK_TEXT_LEFT, Nth = (N), ITEM_WIDTH = 30, span = 0; \
@@ -91,10 +90,10 @@ nk_hovered_text(struct nk_context *ctx, const char *str, int len,
         nk_menubar_end(ui_ctx); \
         if( created ) nk_end(ui_ctx); \
     } } while(0)
-#define UI_MENU_POPUP(title, ...) { \
+#define UI_MENU_POPUP(title, px, ...) { \
     int hspace = maxi(ITEM_WIDTH, nk_text_width(ui_ctx,(title),0)); \
     nk_layout_row_push(ui_ctx, hspace); span += hspace; \
-    if (nk_menu_begin_label(ui_ctx, (title), align, nk_vec2(popup_space.w,popup_space.h))) { \
+    if (nk_menu_begin_label(ui_ctx, (title), align, nk_vec2(px.x>1?px.x:px.x*total_space.w,px.y>1?px.y:px.y*total_space.h))) { \
         __VA_ARGS__; \
         nk_menu_end(ui_ctx); \
     }}
diff --git a/engine/v4k.c b/engine/v4k.c
index 04b1cea..a0e8b9c 100644
--- a/engine/v4k.c
+++ b/engine/v4k.c
@@ -8887,7 +8887,7 @@ vec2 input2( int vk ) {
 
 // --- events
 
-const float MS2FRAME = 60.0f; // 60 hz/1000 ms
+const float MS2FRAME = 0.06f; // 60 hz/1000 ms
 
 int event( int vk ) {
     float v = input_frame(vk,0);
@@ -8914,29 +8914,18 @@ int input_up( int vk ) {
 int input_idle( int vk ) {
     return input_diff(vk) == 0 && input_frame(vk,0) <= 0; // input_frame(vk,-1) <= 0 && input_frame(vk,0) <= 0;
 }
-int input_repeat(int vk, int ms) {
-    assert(ms >= 0 && ms <= 1000);
-    float hz = window_fps() ? window_fps() : MS2FRAME;
-    return input_frame(vk, -ms * hz) > 0 && 
-           input_frame(vk, -ms * hz / 2.0) > 0 && 
-           input_frame(vk, 0) > 0;
+int input_repeat( int vk, int ms ) { // @fixme: broken
+    assert((unsigned)ms <= 1000);
+    return input_frame(vk,-ms * MS2FRAME ) > 0 && input_frame(vk,-ms * MS2FRAME /2) > 0 && input_frame(vk,0) > 0;
 }
-int input_click(int vk, int ms) {
-    assert(ms >= 0 && ms <= 1000);
-    float hz = window_fps() ? window_fps() : MS2FRAME;
-    return input_frame(vk, -ms * hz) <= 0 && 
-           input_frame(vk, -ms * hz / 2.0) > 0 && 
-           input_frame(vk, 0) <= 0;
+int input_click( int vk, int ms ) { // @fixme: broken
+    assert((unsigned)ms <= 1000);
+    return input_frame(vk,-ms * MS2FRAME ) <= 0 && input_frame(vk,-ms * MS2FRAME /2) > 0 && input_frame(vk,0) <= 0;
 }
-
-int input_click2(int vk, int ms) {
-    assert(ms >= 0 && ms <= 1000);
-    float hz = window_fps() ? window_fps() : MS2FRAME;
-    return input_frame(vk, -ms * hz) <= 0 && 
-           input_frame(vk, -ms * hz * 3 / 4.0) > 0 &&
-           input_frame(vk, -ms * hz * 2 / 4.0) <= 0 && 
-           input_frame(vk, -ms * hz * 1 / 4.0) > 0 && 
-           input_frame(vk, 0) <= 0;
+int input_click2( int vk, int ms ) { // @fixme: broken
+    assert((unsigned)ms <= 1000);
+    return input_frame(vk,-ms * MS2FRAME ) <= 0 && input_frame(vk,-ms * MS2FRAME *3/4) > 0
+    && input_frame(vk,-ms * MS2FRAME *2/4) <= 0 && input_frame(vk,-ms * MS2FRAME *1/4) > 0 && input_frame(vk,0) <= 0;
 }
 
 #undef MS2FRAME
@@ -9341,94 +9330,6 @@ float simplex4( vec4 v ) { return snoise4(v.x,v.y,v.z,v.w); }
 
 // ----------------------------------------------------------------------------
 
-float ease_linear(float t) { return t; }
-float ease_nearest(float t) { return t >= 0.5f ? 1.0f : 0.0f; }
-
-float ease_out_sine(float t) { return sinf(t*(C_PI*0.5f)); }
-float ease_out_quad(float t) { return -(t*(t-2)); }
-float ease_out_cubic(float t) { float f=t-1; return f*f*f+1; }
-float ease_out_quart(float t) { float f=t-1; return f*f*f*(1-t)+1; }
-float ease_out_quint(float t) { float f=(t-1); return f*f*f*f*f+1; }
-float ease_out_expo(float t) { return (t >= 1) ? t : 1-powf(2,-10*t); }
-float ease_out_circ(float t) { return sqrtf((2-t)*t); }
-float ease_out_back(float t) { float f=1-t; return 1-(f*f*f-f*sinf(f*C_PI)); }
-float ease_out_elastic(float t) { return sinf(-13*(C_PI*0.5f)*(t+1))*powf(2,-10*t)+1; }
-float ease_out_bounce(float t) { return (t < 4.f/11) ? (121.f*t*t)/16 : (t < 8.f/11) ? (363.f/40*t*t)-(99.f/10*t)+17.f/5 : (t < 9.f/10) ? (4356.f/361*t*t)-(35442.f/1805*t)+16061.f/1805 : (54.f/5*t*t)-(513.f/25*t)+268.f/25; }
-
-float ease_in_sine(float t) { return 1+sinf((t-1)*(C_PI*0.5f)); }
-float ease_in_quad(float t) { return t*t; }
-float ease_in_cubic(float t) { return t*t*t; }
-float ease_in_quart(float t) { return t*t*t*t; }
-float ease_in_quint(float t) { return t*t*t*t*t; }
-float ease_in_expo(float t) { return (t <= 0) ? t : powf(2,10*(t-1)); }
-float ease_in_circ(float t) { return 1-sqrtf(1-(t*t)); }
-float ease_in_back(float t) { return t*t*t-t*sinf(t*C_PI); }
-float ease_in_elastic(float t) { return sinf(13*(C_PI*0.5f)*t)*powf(2,10*(t-1)); }
-float ease_in_bounce(float t) { return 1-ease_out_bounce(1-t); }
-
-float ease_inout_sine(float t) { return 0.5f*(1-cosf(t*C_PI)); }
-float ease_inout_quad(float t) { return (t < 0.5f) ? 2*t*t : (-2*t*t)+(4*t)-1; }
-float ease_inout_cubic(float t) { float f; return (t < 0.5f) ? 4*t*t*t : (f=(2*t)-2,0.5f*f*f*f+1); }
-float ease_inout_quart(float t) { float f; return (t < 0.5f) ? 8*t*t*t*t : (f=(t-1),-8*f*f*f*f+1); }
-float ease_inout_quint(float t) { float f; return (t < 0.5f) ? 16*t*t*t*t*t : (f=((2*t)-2),0.5f*f*f*f*f*f+1); }
-float ease_inout_expo(float t) { return (t <= 0 || t >= 1) ? t : t < 0.5f ? 0.5f*powf(2,(20*t)-10) : -0.5f*powf(2,(-20*t)+10)+1; }
-float ease_inout_circ(float t) { return t < 0.5f ? 0.5f*(1-sqrtf(1-4*(t*t))) : 0.5f*(sqrtf(-((2*t)-3)*((2*t)-1))+1); }
-float ease_inout_back(float t) { float f; return t < 0.5f ? (f=2*t,0.5f*(f*f*f-f*sinf(f*C_PI))) : (f=(1-(2*t-1)),0.5f*(1-(f*f*f-f*sinf(f*C_PI)))+0.5f); }
-float ease_inout_elastic(float t) { return t < 0.5f ? 0.5f*sinf(13*(C_PI*0.5f)*(2*t))*powf(2,10*((2*t)-1)) : 0.5f*(sinf(-13*(C_PI*0.5f)*((2*t-1)+1))*powf(2,-10*(2*t-1))+2); }
-float ease_inout_bounce(float t) { return t < 0.5f ? 0.5f*ease_in_bounce(t*2) : 0.5f*ease_out_bounce(t*2-1)+0.5f; }
-
-float ease_inout_perlin(float t) { float t3=t*t*t,t4=t3*t,t5=t4*t; return 6*t5-15*t4+10*t3; }
-
-float ease(float t01, unsigned mode) {
-    typedef float (*easing)(float);
-    easing modes[] = {
-        ease_linear,
-        ease_out_sine,
-        ease_out_quad,
-        ease_out_cubic,
-        ease_out_quart,
-        ease_out_quint,
-        ease_out_expo,
-        ease_out_circ,
-        ease_out_back,
-        ease_out_elastic,
-        ease_out_bounce,
-
-        ease_linear,
-        ease_in_sine,
-        ease_in_quad,
-        ease_in_cubic,
-        ease_in_quart,
-        ease_in_quint,
-        ease_in_expo,
-        ease_in_circ,
-        ease_in_back,
-        ease_in_elastic,
-        ease_in_bounce,
-
-        ease_linear,
-        ease_inout_sine,
-        ease_inout_quad,
-        ease_inout_cubic,
-        ease_inout_quart,
-        ease_inout_quint,
-        ease_inout_expo,
-        ease_inout_circ,
-        ease_inout_back,
-        ease_inout_elastic,
-        ease_inout_bounce,
-
-        ease_inout_perlin,
-    };
-    return modes[clampi(mode, 0, countof(modes))](clampf(t01,0,1));
-}
-
-float ease_pong(float t, unsigned fn) { return 1 - ease(t, fn); }
-float ease_ping_pong(float t, unsigned fn1, unsigned fn2) { return t < 0.5 ? ease(t*2,fn1) : ease(1-(t-0.5)*2,fn2); }
-float ease_pong_ping(float t, unsigned fn1, unsigned fn2) { return 1 - ease_ping_pong(t,fn1,fn2); }
-
-// ----------------------------------------------------------------------------
-
 float deg      (float radians)      { return radians / C_PI * 180.0f; }
 float rad      (float degrees)      { return degrees * C_PI / 180.0f; }
 
@@ -10232,6 +10133,97 @@ AUTORUN {
 #line 0
 
 #line 1 "engine/split/v4k_tween.c"
+// ----------------------------------------------------------------------------
+// ease
+
+float ease_linear(float t) { return t; }
+
+float ease_out_sine(float t) { return sinf(t*(C_PI*0.5f)); }
+float ease_out_quad(float t) { return -(t*(t-2)); }
+float ease_out_cubic(float t) { float f=t-1; return f*f*f+1; }
+float ease_out_quart(float t) { float f=t-1; return f*f*f*(1-t)+1; }
+float ease_out_quint(float t) { float f=(t-1); return f*f*f*f*f+1; }
+float ease_out_expo(float t) { return (t >= 1) ? t : 1-powf(2,-10*t); }
+float ease_out_circ(float t) { return sqrtf((2-t)*t); }
+float ease_out_back(float t) { float f=1-t; return 1-(f*f*f-f*sinf(f*C_PI)); }
+float ease_out_elastic(float t) { return sinf(-13*(C_PI*0.5f)*(t+1))*powf(2,-10*t)+1; }
+float ease_out_bounce(float t) { return (t < 4.f/11) ? (121.f*t*t)/16 : (t < 8.f/11) ? (363.f/40*t*t)-(99.f/10*t)+17.f/5 : (t < 9.f/10) ? (4356.f/361*t*t)-(35442.f/1805*t)+16061.f/1805 : (54.f/5*t*t)-(513.f/25*t)+268.f/25; }
+
+float ease_in_sine(float t) { return 1+sinf((t-1)*(C_PI*0.5f)); }
+float ease_in_quad(float t) { return t*t; }
+float ease_in_cubic(float t) { return t*t*t; }
+float ease_in_quart(float t) { return t*t*t*t; }
+float ease_in_quint(float t) { return t*t*t*t*t; }
+float ease_in_expo(float t) { return (t <= 0) ? t : powf(2,10*(t-1)); }
+float ease_in_circ(float t) { return 1-sqrtf(1-(t*t)); }
+float ease_in_back(float t) { return t*t*t-t*sinf(t*C_PI); }
+float ease_in_elastic(float t) { return sinf(13*(C_PI*0.5f)*t)*powf(2,10*(t-1)); }
+float ease_in_bounce(float t) { return 1-ease_out_bounce(1-t); }
+
+float ease_inout_sine(float t) { return 0.5f*(1-cosf(t*C_PI)); }
+float ease_inout_quad(float t) { return (t < 0.5f) ? 2*t*t : (-2*t*t)+(4*t)-1; }
+float ease_inout_cubic(float t) { float f; return (t < 0.5f) ? 4*t*t*t : (f=(2*t)-2,0.5f*f*f*f+1); }
+float ease_inout_quart(float t) { float f; return (t < 0.5f) ? 8*t*t*t*t : (f=(t-1),-8*f*f*f*f+1); }
+float ease_inout_quint(float t) { float f; return (t < 0.5f) ? 16*t*t*t*t*t : (f=((2*t)-2),0.5f*f*f*f*f*f+1); }
+float ease_inout_expo(float t) { return (t <= 0 || t >= 1) ? t : t < 0.5f ? 0.5f*powf(2,(20*t)-10) : -0.5f*powf(2,(-20*t)+10)+1; }
+float ease_inout_circ(float t) { return t < 0.5f ? 0.5f*(1-sqrtf(1-4*(t*t))) : 0.5f*(sqrtf(-((2*t)-3)*((2*t)-1))+1); }
+float ease_inout_back(float t) { float f; return t < 0.5f ? (f=2*t,0.5f*(f*f*f-f*sinf(f*C_PI))) : (f=(1-(2*t-1)),0.5f*(1-(f*f*f-f*sinf(f*C_PI)))+0.5f); }
+float ease_inout_elastic(float t) { return t < 0.5f ? 0.5f*sinf(13*(C_PI*0.5f)*(2*t))*powf(2,10*((2*t)-1)) : 0.5f*(sinf(-13*(C_PI*0.5f)*((2*t-1)+1))*powf(2,-10*(2*t-1))+2); }
+float ease_inout_bounce(float t) { return t < 0.5f ? 0.5f*ease_in_bounce(t*2) : 0.5f*ease_out_bounce(t*2-1)+0.5f; }
+
+float ease_inout_perlin(float t) { float t3=t*t*t,t4=t3*t,t5=t4*t; return 6*t5-15*t4+10*t3; }
+
+float ease(float t01, unsigned mode) {
+    typedef float (*easing)(float);
+    easing modes[] = {
+        ease_linear,
+        ease_out_sine,
+        ease_out_quad,
+        ease_out_cubic,
+        ease_out_quart,
+        ease_out_quint,
+        ease_out_expo,
+        ease_out_circ,
+        ease_out_back,
+        ease_out_elastic,
+        ease_out_bounce,
+
+        ease_linear,
+        ease_in_sine,
+        ease_in_quad,
+        ease_in_cubic,
+        ease_in_quart,
+        ease_in_quint,
+        ease_in_expo,
+        ease_in_circ,
+        ease_in_back,
+        ease_in_elastic,
+        ease_in_bounce,
+
+        ease_linear,
+        ease_inout_sine,
+        ease_inout_quad,
+        ease_inout_cubic,
+        ease_inout_quart,
+        ease_inout_quint,
+        ease_inout_expo,
+        ease_inout_circ,
+        ease_inout_back,
+        ease_inout_elastic,
+        ease_inout_bounce,
+
+        ease_inout_perlin,
+    };
+    return modes[clampi(mode, 0, countof(modes))](clampf(t01,0,1));
+}
+
+float ease_pong(float t, unsigned fn) { return 1 - ease(t, fn); }
+float ease_ping_pong(float t, unsigned fn1, unsigned fn2) { return t < 0.5 ? ease(t*2,fn1) : ease(1-(t-0.5)*2,fn2); }
+float ease_pong_ping(float t, unsigned fn1, unsigned fn2) { return 1 - ease_ping_pong(t,fn1,fn2); }
+
+// ----------------------------------------------------------------------------
+// tween
+
 tween_t tween() {
 	tween_t tw = {0};
 	return tw;
@@ -10266,7 +10258,7 @@ void tween_destroy(tween_t *tw) {
 	*tw = tw_;
 }
 
-static inline
+static INLINE
 int tween_comp_keyframes(const void *a, const void *b) {
     float t1 = ((const tween_keyframe_t*)a)->t;
     float t2 = ((const tween_keyframe_t*)b)->t;
@@ -10280,7 +10272,7 @@ void tween_keyframe_set(tween_t *tw, float t, int mode, vec3 v) {
 	tw->duration = array_back(tw->keyframes)->t;
 }
 
-void tween_keyframe_unset(tween_t *tw, float t) { /*@todo: untested*/
+void tween_keyframe_unset(tween_t *tw, float t) { // @todo: untested
 	int id = -1;
 	for (int i = 0; i < array_count(tw->keyframes); i++) {
 		if (tw->keyframes[i].t == t) {
@@ -21131,7 +21123,6 @@ nk_hovered_text(struct nk_context *ctx, const char *str, int len,
     int embedded = !!ui_ctx->current; \
     struct nk_rect total_space = {0,0,window_width(),window_height()}; \
     if( embedded ) total_space = nk_window_get_bounds(ui_ctx), total_space.w -= 10; \
-    vec2 popup_space = { total_space.w * 0.33, total_space.h * 0.85 }; \
     int created = !embedded && nk_begin(ui_ctx, "MENU_" STRINGIZE(__COUNTER__), nk_rect(0, 0, window_width(), UI_MENUROW_HEIGHT), NK_WINDOW_NO_SCROLLBAR); \
     if ( embedded || created ) { \
         int align = NK_TEXT_LEFT, Nth = (N), ITEM_WIDTH = 30, span = 0; \
@@ -21141,10 +21132,10 @@ nk_hovered_text(struct nk_context *ctx, const char *str, int len,
         nk_menubar_end(ui_ctx); \
         if( created ) nk_end(ui_ctx); \
     } } while(0)
-#define UI_MENU_POPUP(title, ...) { \
+#define UI_MENU_POPUP(title, px, ...) { \
     int hspace = maxi(ITEM_WIDTH, nk_text_width(ui_ctx,(title),0)); \
     nk_layout_row_push(ui_ctx, hspace); span += hspace; \
-    if (nk_menu_begin_label(ui_ctx, (title), align, nk_vec2(popup_space.w,popup_space.h))) { \
+    if (nk_menu_begin_label(ui_ctx, (title), align, nk_vec2(px.x>1?px.x:px.x*total_space.w,px.y>1?px.y:px.y*total_space.h))) { \
         __VA_ARGS__; \
         nk_menu_end(ui_ctx); \
     }}
diff --git a/engine/v4k.h b/engine/v4k.h
index e421341..73aa0f3 100644
--- a/engine/v4k.h
+++ b/engine/v4k.h
@@ -1000,69 +1000,6 @@ API float simplex4( vec4 xyzw );
 
 // ----------------------------------------------------------------------------
 
-API float ease_linear(float t);
-API float ease_nearest(float t);
-
-API float ease_out_sine(float t);
-API float ease_out_quad(float t);
-API float ease_out_cubic(float t);
-API float ease_out_quart(float t);
-API float ease_out_quint(float t);
-API float ease_out_expo(float t);
-API float ease_out_circ(float t);
-API float ease_out_back(float t);
-API float ease_out_elastic(float t);
-API float ease_out_bounce(float t);
-
-API float ease_in_sine(float t);
-API float ease_in_quad(float t);
-API float ease_in_cubic(float t);
-API float ease_in_quart(float t);
-API float ease_in_quint(float t);
-API float ease_in_expo(float t);
-API float ease_in_circ(float t);
-API float ease_in_back(float t);
-API float ease_in_elastic(float t);
-API float ease_in_bounce(float t);
-
-API float ease_inout_sine(float t);
-API float ease_inout_quad(float t);
-API float ease_inout_cubic(float t);
-API float ease_inout_quart(float t);
-API float ease_inout_quint(float t);
-API float ease_inout_expo(float t);
-API float ease_inout_circ(float t);
-API float ease_inout_back(float t);
-API float ease_inout_elastic(float t);
-API float ease_inout_bounce(float t);
-
-API float ease_inout_perlin(float t);
-
-enum EASE_FLAGS {
-    EASE_LINEAR,
-    EASE_SINE,
-    EASE_QUAD,
-    EASE_CUBIC,
-    EASE_QUART,
-    EASE_QUINT,
-    EASE_EXPO,
-    EASE_CIRC,
-    EASE_BACK,
-    EASE_ELASTIC,
-    EASE_BOUNCE,
-
-    EASE_IN,
-    EASE_INOUT = EASE_IN * 2,
-    EASE_OUT = 0,
-};
-
-API float ease(float t01, unsigned fn); // / 0-to-1
-API float ease_pong(float t01, unsigned fn); // \ 1-to-0
-API float ease_ping_pong(float t, unsigned fn1, unsigned fn2); // /\ 0-to-1-to-0
-API float ease_pong_ping(float t, unsigned fn1, unsigned fn2); // \/ 1-to-0-to-1
-
-// ----------------------------------------------------------------------------
-
 API float deg      (float radians);
 API float rad      (float degrees);
 
@@ -1293,6 +1230,72 @@ API void print44( float *m );
 #line 0
 
 #line 1 "engine/split/v4k_tween.h"
+// ----------------------------------------------------------------------------
+// ease
+
+API float ease_linear(float t);
+
+API float ease_out_sine(float t);
+API float ease_out_quad(float t);
+API float ease_out_cubic(float t);
+API float ease_out_quart(float t);
+API float ease_out_quint(float t);
+API float ease_out_expo(float t);
+API float ease_out_circ(float t);
+API float ease_out_back(float t);
+API float ease_out_elastic(float t);
+API float ease_out_bounce(float t);
+
+API float ease_in_sine(float t);
+API float ease_in_quad(float t);
+API float ease_in_cubic(float t);
+API float ease_in_quart(float t);
+API float ease_in_quint(float t);
+API float ease_in_expo(float t);
+API float ease_in_circ(float t);
+API float ease_in_back(float t);
+API float ease_in_elastic(float t);
+API float ease_in_bounce(float t);
+
+API float ease_inout_sine(float t);
+API float ease_inout_quad(float t);
+API float ease_inout_cubic(float t);
+API float ease_inout_quart(float t);
+API float ease_inout_quint(float t);
+API float ease_inout_expo(float t);
+API float ease_inout_circ(float t);
+API float ease_inout_back(float t);
+API float ease_inout_elastic(float t);
+API float ease_inout_bounce(float t);
+
+API float ease_inout_perlin(float t);
+
+enum EASE_FLAGS {
+    EASE_LINEAR,
+    EASE_SINE,
+    EASE_QUAD,
+    EASE_CUBIC,
+    EASE_QUART,
+    EASE_QUINT,
+    EASE_EXPO,
+    EASE_CIRC,
+    EASE_BACK,
+    EASE_ELASTIC,
+    EASE_BOUNCE,
+
+    EASE_IN,
+    EASE_INOUT = EASE_IN * 2,
+    EASE_OUT = 0,
+};
+
+API float ease(float t01, unsigned fn); // / 0-to-1
+API float ease_pong(float t01, unsigned fn); // \ 1-to-0
+API float ease_ping_pong(float t, unsigned fn1, unsigned fn2); // /\ 0-to-1-to-0
+API float ease_pong_ping(float t, unsigned fn1, unsigned fn2); // \/ 1-to-0-to-1
+
+// ----------------------------------------------------------------------------
+// tween
+
 typedef struct tween_keyframe_t {
 	int easing_mode;
 	float t;