diff --git a/src/camera.cpp b/src/camera.cpp
index 3cf706da..5006f821 100644
--- a/src/camera.cpp
+++ b/src/camera.cpp
@@ -52,18 +52,18 @@ mat4 const &Camera::GetProjMatrix()
     return m_proj_matrix;
 }
 
-void Camera::TickGame(float deltams)
+void Camera::TickGame(float seconds)
 {
-    WorldEntity::TickGame(deltams);
+    WorldEntity::TickGame(seconds);
 
     m_view_matrix = mat4::lookat(m_position, m_target, m_up);
     m_proj_matrix = mat4::perspective(45.0f, 640.0f, 480.0f, 1.f, 1000.0f);
     //m_proj_matrix = mat4::ortho(-160, 160, -120, 120, .1f, 2000.0f);
 }
 
-void Camera::TickDraw(float deltams)
+void Camera::TickDraw(float seconds)
 {
-    WorldEntity::TickDraw(deltams);
+    WorldEntity::TickDraw(seconds);
 }
 
 } /* namespace lol */
diff --git a/src/camera.h b/src/camera.h
index b9483af8..0e6bf68d 100644
--- a/src/camera.h
+++ b/src/camera.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -35,8 +35,8 @@ public:
     mat4 const &GetProjMatrix();
 
 protected:
-    virtual void TickGame(float deltams);
-    virtual void TickDraw(float deltams);
+    virtual void TickGame(float seconds);
+    virtual void TickDraw(float seconds);
 
 private:
     mat4 m_view_matrix, m_proj_matrix;
diff --git a/src/debug/fps.cpp b/src/debug/fps.cpp
index 0e61b159..eaad10a7 100644
--- a/src/debug/fps.cpp
+++ b/src/debug/fps.cpp
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -55,9 +55,9 @@ DebugFps::DebugFps(int x, int y)
 #endif
 }
 
-void DebugFps::TickGame(float deltams)
+void DebugFps::TickGame(float seconds)
 {
-    Entity::TickGame(deltams);
+    Entity::TickGame(seconds);
 
     char buf[1024];
 
diff --git a/src/debug/fps.h b/src/debug/fps.h
index 98238f18..b4f13547 100644
--- a/src/debug/fps.h
+++ b/src/debug/fps.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -30,7 +30,7 @@ public:
     virtual ~DebugFps();
 
 protected:
-    virtual void TickGame(float deltams);
+    virtual void TickGame(float seconds);
 
 private:
     DebugFpsData *data;
diff --git a/src/debug/quad.cpp b/src/debug/quad.cpp
index b4c0024b..f334fa2d 100644
--- a/src/debug/quad.cpp
+++ b/src/debug/quad.cpp
@@ -96,11 +96,11 @@ private:
         float x = 0.0f;
         for (npoints = 0; npoints < SINE_SIZE && x <= 1.0f; npoints++)
         {
-            float y = 0.5f + 0.5f * lol_sin(x * 2.0f * M_PI + time * 5e-3f);
+            float y = 0.5f + 0.5f * lol_sin(x * 2.0f * M_PI + time * 5.f);
             points[npoints * 2] = aa.x + (bb.x - aa.x) * x;
             points[npoints * 2 + 1] = aa.y + (bb.y - aa.y) * y;
 
-            float dy = M_PI * lol_cos(x * 2.0f * M_PI + time * 5e-3f);
+            float dy = M_PI * lol_cos(x * 2.0f * M_PI + time * 5.f);
             float dx = SINE_SPACE / sqrtf(1.0f + dy * dy);
             x += dx;
         }
@@ -119,7 +119,7 @@ DebugQuad::DebugQuad()
   : data(new DebugQuadData())
 {
     data->initialised = 0;
-    data->time = RandF(10000.0f);
+    data->time = RandF(10.0f);
 
     m_drawgroup = DRAWGROUP_HUD;
 }
@@ -142,16 +142,16 @@ void DebugQuad::Advance()
     }
 }
 
-void DebugQuad::TickGame(float deltams)
+void DebugQuad::TickGame(float seconds)
 {
-    Entity::TickGame(deltams);
+    Entity::TickGame(seconds);
 
-    data->time += deltams;
+    data->time += seconds;
 }
 
-void DebugQuad::TickDraw(float deltams)
+void DebugQuad::TickDraw(float seconds)
 {
-    Entity::TickDraw(deltams);
+    Entity::TickDraw(seconds);
 
     if (!data->initialised && !IsDestroying())
     {
@@ -213,7 +213,7 @@ void DebugQuad::TickDraw(float deltams)
 
     GLfloat texcoords[12];
     mat4 t1 = mat4::translate(0.5f, 0.5f, 0.0f)
-            * mat4::rotate(0.0254f * data->time, 0.0f, 0.0f, 1.0f)
+            * mat4::rotate(25.4f * data->time, 0.0f, 0.0f, 1.0f)
             * mat4::translate(-0.5f, -0.5f, 0.0f);
     for (int i = 0; i < 6; i++)
     {
@@ -224,9 +224,9 @@ void DebugQuad::TickDraw(float deltams)
 
     GLfloat colors[18];
     mat4 t2 = mat4::translate(0.5f, 0.5f, 0.5f)
-            * mat4::rotate(0.0154f * data->time, 0.0f, 0.0f, 1.0f)
-            * mat4::rotate(0.0211f * data->time, 0.0f, 1.0f, 0.0f)
-            * mat4::rotate(0.0267f * data->time, 1.0f, 0.0f, 0.0f)
+            * mat4::rotate(15.4f * data->time, 0.0f, 0.0f, 1.0f)
+            * mat4::rotate(21.1f * data->time, 0.0f, 1.0f, 0.0f)
+            * mat4::rotate(26.7f * data->time, 1.0f, 0.0f, 0.0f)
             * mat4::translate(-0.5f, -0.5f, 0.0f);
     for (int i = 0; i < 6; i++)
     {
diff --git a/src/debug/quad.h b/src/debug/quad.h
index 97bd14c8..3ce611ce 100644
--- a/src/debug/quad.h
+++ b/src/debug/quad.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -30,8 +30,8 @@ public:
     virtual ~DebugQuad();
 
 protected:
-    virtual void TickGame(float deltams);
-    virtual void TickDraw(float deltams);
+    virtual void TickGame(float seconds);
+    virtual void TickDraw(float seconds);
 
 private:
     void ResetState();
diff --git a/src/debug/record.cpp b/src/debug/record.cpp
index d7af2f1d..d767039e 100644
--- a/src/debug/record.cpp
+++ b/src/debug/record.cpp
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -62,14 +62,14 @@ DebugRecord::DebugRecord(char const *path, float fps)
     m_drawgroup = DRAWGROUP_CAPTURE;
 }
 
-void DebugRecord::TickGame(float deltams)
+void DebugRecord::TickGame(float seconds)
 {
-    Entity::TickGame(deltams);
+    Entity::TickGame(seconds);
 }
 
-void DebugRecord::TickDraw(float deltams)
+void DebugRecord::TickDraw(float seconds)
 {
-    Entity::TickDraw(deltams);
+    Entity::TickDraw(seconds);
 
     ivec2 size = Video::GetSize();
 
diff --git a/src/debug/record.h b/src/debug/record.h
index d5ee9fe8..0c3e81ce 100644
--- a/src/debug/record.h
+++ b/src/debug/record.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -30,8 +30,8 @@ public:
     virtual ~DebugRecord();
 
 protected:
-    virtual void TickGame(float deltams);
-    virtual void TickDraw(float deltams);
+    virtual void TickGame(float seconds);
+    virtual void TickDraw(float seconds);
 
 private:
     DebugRecordData *data;
diff --git a/src/debug/sphere.cpp b/src/debug/sphere.cpp
index c6a812a3..90a8368e 100644
--- a/src/debug/sphere.cpp
+++ b/src/debug/sphere.cpp
@@ -121,18 +121,18 @@ DebugSphere::DebugSphere()
     data->initialised = 0;
 }
 
-void DebugSphere::TickGame(float deltams)
+void DebugSphere::TickGame(float seconds)
 {
-    Entity::TickGame(deltams);
+    Entity::TickGame(seconds);
 
-    data->time += 0.003f * deltams;
+    data->time += 3.f * seconds;
     while (data->time > 6.0 * M_PI)
         data->time -= 6.0 * M_PI;
 }
 
-void DebugSphere::TickDraw(float deltams)
+void DebugSphere::TickDraw(float seconds)
 {
-    Entity::TickDraw(deltams);
+    Entity::TickDraw(seconds);
 
     if (IsDestroying())
     {
diff --git a/src/debug/sphere.h b/src/debug/sphere.h
index 726ffec8..5790adfc 100644
--- a/src/debug/sphere.h
+++ b/src/debug/sphere.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -30,8 +30,8 @@ public:
     virtual ~DebugSphere();
 
 protected:
-    virtual void TickGame(float deltams);
-    virtual void TickDraw(float deltams);
+    virtual void TickGame(float seconds);
+    virtual void TickDraw(float seconds);
 
 private:
     DebugSphereData *data;
diff --git a/src/debug/stats.cpp b/src/debug/stats.cpp
index c07e35ab..b08cbc70 100644
--- a/src/debug/stats.cpp
+++ b/src/debug/stats.cpp
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -46,9 +46,9 @@ DebugStats::DebugStats(char const *path)
     m_gamegroup = GAMEGROUP_AFTER;
 }
 
-void DebugStats::TickGame(float deltams)
+void DebugStats::TickGame(float seconds)
 {
-    Entity::TickGame(deltams);
+    Entity::TickGame(seconds);
 
     fprintf(data->fp, "%i %f %f %f %f\n",
             Ticker::GetFrameNum(),
diff --git a/src/debug/stats.h b/src/debug/stats.h
index 8512f126..14e544f2 100644
--- a/src/debug/stats.h
+++ b/src/debug/stats.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -30,7 +30,7 @@ public:
     virtual ~DebugStats();
 
 protected:
-    virtual void TickGame(float deltams);
+    virtual void TickGame(float seconds);
 
 private:
     DebugStatsData *data;
diff --git a/src/emitter.cpp b/src/emitter.cpp
index 40213707..dc52d5ca 100644
--- a/src/emitter.cpp
+++ b/src/emitter.cpp
@@ -50,13 +50,13 @@ Emitter::Emitter(TileSet *tileset, vec3 gravity)
     data->nparticles = 0;
 }
 
-void Emitter::TickGame(float deltams)
+void Emitter::TickGame(float seconds)
 {
     for (int i = 0; i < data->nparticles; i++)
     {
         vec3 oldvelocity = data->velocities[i];
-        data->velocities[i] += deltams * data->gravity;
-        data->positions[i] += deltams * 0.5f
+        data->velocities[i] += seconds * data->gravity;
+        data->positions[i] += seconds * 0.5f
                                       * (oldvelocity + data->velocities[i]);
         if (data->positions[i].y < -100)
         {
@@ -67,12 +67,12 @@ void Emitter::TickGame(float deltams)
         }
     }
 
-    Entity::TickGame(deltams);
+    Entity::TickGame(seconds);
 }
 
-void Emitter::TickDraw(float deltams)
+void Emitter::TickDraw(float seconds)
 {
-    Entity::TickDraw(deltams);
+    Entity::TickDraw(seconds);
 
     for (int i = 0; i < data->nparticles; i++)
         Scene::GetDefault()->AddTile(data->tileset, data->particles[i],
diff --git a/src/emitter.h b/src/emitter.h
index 27a3061e..08fb3b56 100644
--- a/src/emitter.h
+++ b/src/emitter.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -33,8 +33,8 @@ public:
     void AddParticle(int id, vec3 pos, vec3 vel);
 
 protected:
-    virtual void TickGame(float deltams);
-    virtual void TickDraw(float deltams);
+    virtual void TickGame(float seconds);
+    virtual void TickDraw(float seconds);
 
 private:
     EmitterData *data;
diff --git a/src/entity.cpp b/src/entity.cpp
index 3f90c602..2498e36f 100644
--- a/src/entity.cpp
+++ b/src/entity.cpp
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -50,7 +50,7 @@ char const *Entity::GetName()
     return "<entity>";
 }
 
-void Entity::TickGame(float deltams)
+void Entity::TickGame(float seconds)
 {
 #if !LOL_RELEASE
     if (m_tickstate != STATE_PRETICK_GAME)
@@ -59,7 +59,7 @@ void Entity::TickGame(float deltams)
 #endif
 }
 
-void Entity::TickDraw(float deltams)
+void Entity::TickDraw(float seconds)
 {
 #if !LOL_RELEASE
     if (m_tickstate != STATE_PRETICK_DRAW)
diff --git a/src/entity.h b/src/entity.h
index c4722346..11c25997 100644
--- a/src/entity.h
+++ b/src/entity.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -38,8 +38,8 @@ protected:
     virtual char const *GetName();
     inline int IsDestroying() { return m_destroy; }
 
-    virtual void TickGame(float deltams);
-    virtual void TickDraw(float deltams);
+    virtual void TickGame(float seconds);
+    virtual void TickDraw(float seconds);
 
     enum
     {
diff --git a/src/font.cpp b/src/font.cpp
index d0be713b..5f9408af 100644
--- a/src/font.cpp
+++ b/src/font.cpp
@@ -59,9 +59,9 @@ Font::~Font()
     delete data;
 }
 
-void Font::TickDraw(float deltams)
+void Font::TickDraw(float seconds)
 {
-    Entity::TickDraw(deltams);
+    Entity::TickDraw(seconds);
 }
 
 char const *Font::GetName()
diff --git a/src/font.h b/src/font.h
index 596af59b..9cc4b307 100644
--- a/src/font.h
+++ b/src/font.h
@@ -32,7 +32,7 @@ public:
 protected:
     /* Inherited from Entity */
     virtual char const *GetName();
-    virtual void TickDraw(float deltams);
+    virtual void TickDraw(float seconds);
 
 public:
     /* New methods */
diff --git a/src/gradient.cpp b/src/gradient.cpp
index bb5783e5..9970e22d 100644
--- a/src/gradient.cpp
+++ b/src/gradient.cpp
@@ -51,14 +51,14 @@ Gradient::Gradient(vec3 aa, vec3 bb)
     data->shader = NULL;
 }
 
-void Gradient::TickGame(float deltams)
+void Gradient::TickGame(float seconds)
 {
-    Entity::TickGame(deltams);
+    Entity::TickGame(seconds);
 }
 
-void Gradient::TickDraw(float deltams)
+void Gradient::TickDraw(float seconds)
 {
-    Entity::TickDraw(deltams);
+    Entity::TickDraw(seconds);
 
     float const vertex[] = {   0.0f,   0.0f, 0.0f,
                              640.0f,   0.0f, 0.0f,
diff --git a/src/gradient.h b/src/gradient.h
index 6903315f..e1c3331f 100644
--- a/src/gradient.h
+++ b/src/gradient.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -32,8 +32,8 @@ public:
     char const *GetName() { return "<gradient>"; }
 
 protected:
-    virtual void TickGame(float deltams);
-    virtual void TickDraw(float deltams);
+    virtual void TickGame(float seconds);
+    virtual void TickDraw(float seconds);
 
 private:
     GradientData *data;
diff --git a/src/input.h b/src/input.h
index 9cdea5d2..e728c921 100644
--- a/src/input.h
+++ b/src/input.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -30,7 +30,7 @@ public:
     static vec2 GetAxis(int axis);
     static ivec2 GetMousePos();
     static ivec3 GetMouseButtons();
-	//BH : Added this, is a v0.1 Alpha version.
+    //BH : Added this, is a v0.1 Alpha version.
     static int GetButtonState(int button);
 
     /* Entities can subscribe to events */
diff --git a/src/platform/ps3/ps3input.cpp b/src/platform/ps3/ps3input.cpp
index faa941eb..56fe24a8 100644
--- a/src/platform/ps3/ps3input.cpp
+++ b/src/platform/ps3/ps3input.cpp
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -81,9 +81,9 @@ Ps3Input::Ps3Input()
 #endif
 }
 
-void Ps3Input::TickGame(float deltams)
+void Ps3Input::TickGame(float seconds)
 {
-    Entity::TickGame(deltams);
+    Entity::TickGame(seconds);
 
 #if defined __CELLOS_LV2__
     CellPadInfo2 pad_info2;
@@ -107,9 +107,9 @@ void Ps3Input::TickGame(float deltams)
         {
             int x = data->pad_data[i].button[CELL_PAD_BTN_OFFSET_ANALOG_RIGHT_X];
             int y = data->pad_data[i].button[CELL_PAD_BTN_OFFSET_ANALOG_RIGHT_X + 1];
-            vec2 delta(4e-3f * (abs(x - 127) < 16 ? 0 : x - 127),
-                       -4e-3f * (abs(y - 127) < 16 ? 0 : y - 127));
-            data->mousepos += delta * deltams;
+            vec2 delta(4.f * (abs(x - 127) < 16 ? 0 : x - 127),
+                       -4.f * (abs(y - 127) < 16 ? 0 : y - 127));
+            data->mousepos += delta * seconds;
             Input::SetMousePos((ivec2)data->mousepos);
         }
 
diff --git a/src/platform/ps3/ps3input.h b/src/platform/ps3/ps3input.h
index d857fa5f..e1d368f2 100644
--- a/src/platform/ps3/ps3input.h
+++ b/src/platform/ps3/ps3input.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -30,7 +30,7 @@ public:
     virtual ~Ps3Input();
 
 protected:
-    virtual void TickGame(float deltams);
+    virtual void TickGame(float seconds);
 
 private:
     Ps3InputData *data;
diff --git a/src/platform/sdl/sdlinput.cpp b/src/platform/sdl/sdlinput.cpp
index facd93e4..9bd8ba2b 100644
--- a/src/platform/sdl/sdlinput.cpp
+++ b/src/platform/sdl/sdlinput.cpp
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -31,7 +31,7 @@ class SdlInputData
     friend class SdlInput;
 
 private:
-    void Tick(float deltams);
+    void Tick(float seconds);
 
     static ivec2 GetMousePos();
 };
@@ -50,25 +50,25 @@ SdlInput::SdlInput()
     m_gamegroup = GAMEGROUP_BEFORE;
 }
 
-void SdlInput::TickGame(float deltams)
+void SdlInput::TickGame(float seconds)
 {
-    Entity::TickGame(deltams);
+    Entity::TickGame(seconds);
 
 #if !defined _WIN32
-    data->Tick(deltams);
+    data->Tick(seconds);
 #endif
 }
 
-void SdlInput::TickDraw(float deltams)
+void SdlInput::TickDraw(float seconds)
 {
-    Entity::TickDraw(deltams);
+    Entity::TickDraw(seconds);
 
 #if defined _WIN32
-    data->Tick(deltams);
+    data->Tick(seconds);
 #endif
 }
 
-void SdlInputData::Tick(float deltams)
+void SdlInputData::Tick(float seconds)
 {
 #if defined USE_SDL
     /* Handle mouse input */
@@ -86,7 +86,7 @@ void SdlInputData::Tick(float deltams)
             break;
 #if 0
         case SDL_KEYDOWN:
-            Input::KeyPressed(event.key.keysym.sym, deltams);
+            Input::KeyPressed(event.key.keysym.sym, seconds);
             break;
 #endif
         case SDL_MOUSEBUTTONDOWN:
@@ -109,7 +109,7 @@ void SdlInputData::Tick(float deltams)
     Uint8 *keystate = SDL_GetKeyState(NULL);
     for (int i = 0; i < 256; i++)
         if (keystate[i])
-            Input::KeyPressed(i, deltams);
+            Input::KeyPressed(i, seconds);
 #endif
 #endif
 }
diff --git a/src/platform/sdl/sdlinput.h b/src/platform/sdl/sdlinput.h
index 1c74f886..34b96922 100644
--- a/src/platform/sdl/sdlinput.h
+++ b/src/platform/sdl/sdlinput.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -30,8 +30,8 @@ public:
     virtual ~SdlInput();
 
 protected:
-    virtual void TickGame(float deltams);
-    virtual void TickDraw(float deltams);
+    virtual void TickGame(float seconds);
+    virtual void TickDraw(float seconds);
 
 private:
     SdlInputData *data;
diff --git a/src/sample.cpp b/src/sample.cpp
index bb518181..1877fc5c 100644
--- a/src/sample.cpp
+++ b/src/sample.cpp
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -77,9 +77,9 @@ Sample::~Sample()
     delete data;
 }
 
-void Sample::TickGame(float deltams)
+void Sample::TickGame(float seconds)
 {
-    Entity::TickGame(deltams);
+    Entity::TickGame(seconds);
 }
 
 char const *Sample::GetName()
diff --git a/src/sample.h b/src/sample.h
index 12eb4d9e..03fdf9bd 100644
--- a/src/sample.h
+++ b/src/sample.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -35,7 +35,7 @@ public:
 protected:
     /* Inherited from Entity */
     virtual char const *GetName();
-    virtual void TickGame(float deltams);
+    virtual void TickGame(float seconds);
 
 public:
     /* New methods */
diff --git a/src/sprite.cpp b/src/sprite.cpp
index 03340fa7..1606688a 100644
--- a/src/sprite.cpp
+++ b/src/sprite.cpp
@@ -41,14 +41,14 @@ Sprite::Sprite(TileSet *tileset, int id)
     data->id = id;
 }
 
-void Sprite::TickGame(float deltams)
+void Sprite::TickGame(float seconds)
 {
-    Entity::TickGame(deltams);
+    Entity::TickGame(seconds);
 }
 
-void Sprite::TickDraw(float deltams)
+void Sprite::TickDraw(float seconds)
 {
-    Entity::TickDraw(deltams);
+    Entity::TickDraw(seconds);
 
     Scene::GetDefault()->AddTile(data->tileset, data->id, m_position,
                                  0, vec2(1.0f));
diff --git a/src/sprite.h b/src/sprite.h
index ae76c084..318e82c2 100644
--- a/src/sprite.h
+++ b/src/sprite.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -31,8 +31,8 @@ public:
     virtual ~Sprite();
 
 protected:
-    virtual void TickGame(float deltams);
-    virtual void TickDraw(float deltams);
+    virtual void TickGame(float seconds);
+    virtual void TickDraw(float seconds);
 
 private:
     SpriteData *data;
diff --git a/src/text.cpp b/src/text.cpp
index 2632a733..f4d93aee 100644
--- a/src/text.cpp
+++ b/src/text.cpp
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -80,9 +80,9 @@ void Text::SetAlign(int align)
     data->align = align;
 }
 
-void Text::TickDraw(float deltams)
+void Text::TickDraw(float seconds)
 {
-    Entity::TickDraw(deltams);
+    Entity::TickDraw(seconds);
 
     if (data->text)
     {
diff --git a/src/text.h b/src/text.h
index 10e8c237..c037efa8 100644
--- a/src/text.h
+++ b/src/text.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -42,7 +42,7 @@ public:
     };
 
 protected:
-    virtual void TickDraw(float deltams);
+    virtual void TickDraw(float seconds);
 
 private:
     TextData *data;
diff --git a/src/ticker.cpp b/src/ticker.cpp
index b78452ce..e0fae9f5 100644
--- a/src/ticker.cpp
+++ b/src/ticker.cpp
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -32,7 +32,7 @@ public:
     TickerData() :
         todolist(0), autolist(0),
         nentities(0),
-        frame(0), recording(0), deltams(0), bias(0), fps(0),
+        frame(0), recording(0), deltatime(0), bias(0), fps(0),
         quit(0), quitframe(0), quitdelay(20), panic(0)
     {
         for (int i = 0; i < Entity::ALLGROUP_END; i++)
@@ -68,7 +68,7 @@ private:
     /* Fixed framerate management */
     int frame, recording;
     Timer timer;
-    float deltams, bias, fps;
+    float deltatime, bias, fps;
 
     /* Background threads */
     static void *GameThreadMain(void *p);
@@ -181,15 +181,15 @@ void *TickerData::GameThreadMain(void *p)
 
         data->frame++;
 
-        /* If recording with fixed framerate, set deltams to a fixed value */
+        /* If recording with fixed framerate, set deltatime to a fixed value */
         if (data->recording && data->fps)
         {
-            data->deltams = 1000.0f / data->fps;
+            data->deltatime = 1.f / data->fps;
         }
         else
         {
-            data->deltams = 1000.0f * data->timer.Get();
-            data->bias += data->deltams;
+            data->deltatime = data->timer.Get();
+            data->bias += data->deltatime;
         }
 
         /* If shutdown is stuck, kick the first entity we meet and see
@@ -278,7 +278,7 @@ void *TickerData::GameThreadMain(void *p)
                         Log::Error("entity not idle for game tick\n");
                     e->m_tickstate = Entity::STATE_PRETICK_GAME;
 #endif
-                    e->TickGame(data->deltams);
+                    e->TickGame(data->deltatime);
 #if !LOL_RELEASE
                     if (e->m_tickstate != Entity::STATE_POSTTICK_GAME)
                         Log::Error("entity missed super game tick\n");
@@ -368,7 +368,7 @@ void Ticker::TickDraw()
                     Log::Error("entity not idle for draw tick\n");
                 e->m_tickstate = Entity::STATE_PRETICK_DRAW;
 #endif
-                e->TickDraw(data->deltams);
+                e->TickDraw(data->deltatime);
 #if !LOL_RELEASE
                 if (e->m_tickstate != Entity::STATE_POSTTICK_DRAW)
                     Log::Error("entity missed super draw tick\n");
@@ -391,16 +391,16 @@ void Ticker::TickDraw()
 
     /* If framerate is fixed, force wait time to 1/FPS. Otherwise, set wait
      * time to 0. */
-    float framems = data->fps ? 1000.0f / data->fps : 0.0f;
+    float frametime = data->fps ? 1.f / data->fps : 0.f;
 
-    if (framems > data->bias + 200.0f)
-        framems = data->bias + 200.0f; // Don't go below 5 fps
-    if (framems > data->bias)
-        data->timer.Wait(1e-3f * (framems - data->bias));
+    if (frametime > data->bias + .2f)
+        frametime = data->bias + .2f; // Don't go below 5 fps
+    if (frametime > data->bias)
+        data->timer.Wait(frametime - data->bias);
 
     /* If recording, do not try to compensate for lag. */
     if (!data->recording)
-        data->bias -= framems;
+        data->bias -= frametime;
 }
 
 void Ticker::StartRecording()
diff --git a/src/tileset.cpp b/src/tileset.cpp
index a7c384e0..055b9d44 100644
--- a/src/tileset.cpp
+++ b/src/tileset.cpp
@@ -111,9 +111,9 @@ TileSet::~TileSet()
     delete data;
 }
 
-void TileSet::TickDraw(float deltams)
+void TileSet::TickDraw(float seconds)
 {
-    Entity::TickDraw(deltams);
+    Entity::TickDraw(seconds);
 
     if (IsDestroying())
     {
diff --git a/src/tileset.h b/src/tileset.h
index f738872e..5214f64c 100644
--- a/src/tileset.h
+++ b/src/tileset.h
@@ -37,7 +37,7 @@ public:
 protected:
     /* Inherited from Entity */
     virtual char const *GetName();
-    virtual void TickDraw(float deltams);
+    virtual void TickDraw(float seconds);
 
 public:
     /* New methods */
diff --git a/src/world.cpp b/src/world.cpp
index 0d44fe80..d726935f 100644
--- a/src/world.cpp
+++ b/src/world.cpp
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -56,14 +56,14 @@ char const *World::GetName()
     return "<world>";
 }
 
-void World::TickGame(float deltams)
+void World::TickGame(float seconds)
 {
-    Entity::TickGame(deltams);
+    Entity::TickGame(seconds);
 }
 
-void World::TickDraw(float deltams)
+void World::TickDraw(float seconds)
 {
-    Entity::TickDraw(deltams);
+    Entity::TickDraw(seconds);
 }
 
 int World::GetWidth()
diff --git a/src/world.h b/src/world.h
index 343ec072..51584d1c 100644
--- a/src/world.h
+++ b/src/world.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -32,8 +32,8 @@ public:
 protected:
     /* Inherited from Entity */
     virtual char const *GetName();
-    virtual void TickGame(float deltams);
-    virtual void TickDraw(float deltams);
+    virtual void TickGame(float seconds);
+    virtual void TickDraw(float seconds);
 
 public:
     /* New methods */
diff --git a/src/worldentity.cpp b/src/worldentity.cpp
index 614e95a9..37537675 100644
--- a/src/worldentity.cpp
+++ b/src/worldentity.cpp
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -46,14 +46,14 @@ char const *WorldEntity::GetName()
     return "<worldentity>";
 }
 
-void WorldEntity::TickGame(float deltams)
+void WorldEntity::TickGame(float seconds)
 {
-    Entity::TickGame(deltams);
+    Entity::TickGame(seconds);
 }
 
-void WorldEntity::TickDraw(float deltams)
+void WorldEntity::TickDraw(float seconds)
 {
-    Entity::TickDraw(deltams);
+    Entity::TickDraw(seconds);
 }
 
 } /* namespace lol */
diff --git a/src/worldentity.h b/src/worldentity.h
index cbd420d6..c63b0cf4 100644
--- a/src/worldentity.h
+++ b/src/worldentity.h
@@ -1,7 +1,7 @@
 //
 // Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -39,8 +39,8 @@ protected:
 
     virtual char const *GetName();
 
-    virtual void TickGame(float deltams);
-    virtual void TickDraw(float deltams);
+    virtual void TickGame(float seconds);
+    virtual void TickDraw(float seconds);
 };
 
 } /* namespace lol */
diff --git a/test/tutorial/01_triangle.cpp b/test/tutorial/01_triangle.cpp
index bb6e3bbe..f2b7efba 100644
--- a/test/tutorial/01_triangle.cpp
+++ b/test/tutorial/01_triangle.cpp
@@ -42,9 +42,9 @@ public:
         m_ready = false;
     }
 
-    virtual void TickDraw(float deltams)
+    virtual void TickDraw(float seconds)
     {
-        WorldEntity::TickDraw(deltams);
+        WorldEntity::TickDraw(seconds);
 
         if (!m_ready)
         {
diff --git a/test/tutorial/02_cube.cpp b/test/tutorial/02_cube.cpp
index 2c55bbd9..a1c81fbb 100644
--- a/test/tutorial/02_cube.cpp
+++ b/test/tutorial/02_cube.cpp
@@ -1,7 +1,7 @@
 //
 // Lol Engine - Cube tutorial
 //
-// Copyright: (c) 2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2011-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -61,11 +61,11 @@ public:
         m_ready = false;
     }
 
-    virtual void TickGame(float deltams)
+    virtual void TickGame(float seconds)
     {
-        WorldEntity::TickGame(deltams);
+        WorldEntity::TickGame(seconds);
 
-        m_angle += deltams / 1000.0f * 45.0f;
+        m_angle += seconds * 45.0f;
 
         mat4 anim = mat4::rotate(m_angle, vec3(0, 1, 0));
         mat4 model = mat4::translate(vec3(0, 0, -4.5));
@@ -75,9 +75,9 @@ public:
         m_matrix = proj * view * model * anim;
     }
 
-    virtual void TickDraw(float deltams)
+    virtual void TickDraw(float seconds)
     {
-        WorldEntity::TickDraw(deltams);
+        WorldEntity::TickDraw(seconds);
 
         if (!m_ready)
         {
diff --git a/test/tutorial/03_fractal.cpp b/test/tutorial/03_fractal.cpp
index 48cce01a..c8f3f3cd 100644
--- a/test/tutorial/03_fractal.cpp
+++ b/test/tutorial/03_fractal.cpp
@@ -1,7 +1,7 @@
 //
 // Lol Engine - Fractal tutorial
 //
-// Copyright: (c) 2011 Sam Hocevar <sam@hocevar.net>
+// Copyright: (c) 2011-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -100,7 +100,7 @@ public:
         //m_center = f64cmplx(-.22815528839841, -1.11514249704382);
         //m_center = f64cmplx(0.001643721971153, 0.822467633298876);
         m_center = f64cmplx(-0.65823419062254, 0.50221777363480);
-        m_zoom_speed = -0.000025;
+        m_zoom_speed = -0.025;
 #else
         m_center = -0.75;
         m_zoom_speed = 0.0;
@@ -201,9 +201,9 @@ public:
         return m_radius * m_window2world * f64cmplx(dx, dy);
     }
 
-    virtual void TickGame(float deltams)
+    virtual void TickGame(float seconds)
     {
-        WorldEntity::TickGame(deltams);
+        WorldEntity::TickGame(seconds);
 
         int prev_frame = m_frame;
         m_frame = (m_frame + 1) % 4;
@@ -234,7 +234,7 @@ public:
             m_drag = false;
             if (m_translate != 0.0)
             {
-                m_translate *= pow(2.0, -deltams * 0.005);
+                m_translate *= pow(2.0, -seconds * 5.0);
                 if (m_translate.norm() / m_radius < 1e-4)
                     m_translate = 0.0;
             }
@@ -242,14 +242,14 @@ public:
 
         if ((buttons[0] || buttons[2]) && m_mousepos.x != -1)
         {
-            double zoom = buttons[0] ? -0.0005 : 0.0005;
-            m_zoom_speed += deltams * zoom;
-            if (m_zoom_speed / zoom > 5)
-                m_zoom_speed = 5 * zoom;
+            double zoom = buttons[0] ? -0.5 : 0.5;
+            m_zoom_speed += seconds * zoom;
+            if (m_zoom_speed / zoom > 5e-3f)
+                m_zoom_speed = 5e-3f * zoom;
         }
         else if (m_zoom_speed)
         {
-            m_zoom_speed *= pow(2.0, -deltams * 0.005);
+            m_zoom_speed *= pow(2.0, -seconds * 5.0);
             if (abs(m_zoom_speed) < 1e-5 || m_drag)
                 m_zoom_speed = 0.0;
         }
@@ -259,7 +259,7 @@ public:
         {
             f64cmplx oldcenter = m_center;
             double oldradius = m_radius;
-            double zoom = pow(2.0, deltams * m_zoom_speed);
+            double zoom = pow(2.0, seconds * 1e3f * m_zoom_speed);
             if (m_radius * zoom > 8.0)
             {
                 m_zoom_speed *= -1.0;
@@ -425,9 +425,9 @@ public:
         }
     }
 
-    virtual void TickDraw(float deltams)
+    virtual void TickDraw(float seconds)
     {
-        WorldEntity::TickDraw(deltams);
+        WorldEntity::TickDraw(seconds);
 
         static float const vertices[] =
         {
diff --git a/test/xolotl/xolotl.cpp b/test/xolotl/xolotl.cpp
index 21dc092d..4c531177 100644
--- a/test/xolotl/xolotl.cpp
+++ b/test/xolotl/xolotl.cpp
@@ -2,7 +2,7 @@
 // Lol Engine - Xolotl algorithm test
 //
 // Copyright: (c) 2011 Soren Renner
-//            (c) 2011 Sam Hocevar <sam@hocevar.net>
+//            (c) 2011-2012 Sam Hocevar <sam@hocevar.net>
 //   This program is free software; you can redistribute it and/or
 //   modify it under the terms of the Do What The Fuck You Want To
 //   Public License, Version 2, as published by Sam Hocevar. See
@@ -49,12 +49,12 @@ public:
 
     virtual char const *GetName() { return "Xolotl"; }
 
-    virtual void TickGame(float deltams)
+    virtual void TickGame(float seconds)
     {
 
     }
 
-    virtual void TickDraw(float deltams)
+    virtual void TickDraw(float seconds)
     {
 
     }