diff --git a/src/main.cpp b/src/main.cpp
index 6132001..23a5f1b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -60,10 +60,16 @@ int main(int argc, char *argv[])
 		}
 
 		const bool *key_states = SDL_GetKeyboardState(NULL);
-		if (key_states[SDL_SCANCODE_W]) renderer.move_camera(vec2_unity * 30 * (1.0f / 60.0f));
-		if (key_states[SDL_SCANCODE_S]) renderer.move_camera(-vec2_unity * 30 * (1.0f / 60.0f));
-		if (key_states[SDL_SCANCODE_A]) renderer.move_camera(-vec2_unitx * 30 * (1.0f / 60.0f));
-		if (key_states[SDL_SCANCODE_D]) renderer.move_camera(vec2_unitx * 30 * (1.0f / 60.0f));
+
+		const float move_spd = 1.0f * renderer.get_zoom();
+		const float zoom_spd = 0.5f;
+
+		if (key_states[SDL_SCANCODE_W]) renderer.move_camera(+vec2_unity * move_spd * (1.0f / 60.0f));
+		if (key_states[SDL_SCANCODE_S]) renderer.move_camera(-vec2_unity * move_spd * (1.0f / 60.0f));
+		if (key_states[SDL_SCANCODE_A]) renderer.move_camera(-vec2_unitx * move_spd * (1.0f / 60.0f));
+		if (key_states[SDL_SCANCODE_D]) renderer.move_camera(+vec2_unitx * move_spd * (1.0f / 60.0f));
+		if (key_states[SDL_SCANCODE_Q]) renderer.zoom_camera(+zoom_spd * (1.0f / 60.0f));
+		if (key_states[SDL_SCANCODE_E]) renderer.zoom_camera(-zoom_spd * (1.0f / 60.0f));
 
 		// Clear
 		renderer.color(0, 0, 0, 255);
diff --git a/src/math.hpp b/src/math.hpp
index ae0360e..8104eb6 100644
--- a/src/math.hpp
+++ b/src/math.hpp
@@ -19,6 +19,11 @@ static const vec2 vec2_min = { -FLT_MAX, -FLT_MAX };
 static const vec2i vec2i_zero = { 0, 0 };
 static const vec2i vec2i_one = { 1, 1 };
 
+static vec2 operator+(vec2 const &v)
+{
+    return { .x = v.x, .y = v.y };
+}
+
 static vec2 operator-(vec2 const &v)
 {
     return { .x = -v.x, .y = -v.y };
diff --git a/src/renderer.hpp b/src/renderer.hpp
index 092a4f6..87a5d11 100644
--- a/src/renderer.hpp
+++ b/src/renderer.hpp
@@ -55,6 +55,16 @@ public:
 		_center = _center + delta;
 	}
 
+	void zoom_camera(float delta)
+	{
+		_scale /= 1 + delta;
+	}
+
+	float get_zoom()
+	{
+		return 1.0f / _scale;
+	}
+
 	void color(uint8_t r, uint8_t g, uint8_t b, uint8_t a)
 	{
 		SDL_SetRenderDrawColor(_sdl, r, g, b, a);