minor improvements for gl error checcking/printing and shot defaults.

game/state/commands.cpp

@@ -8,14 +8,16 @@
 namespace game {
     void ShootCommand::apply(Player *player, State *state) const
     {
-        //std::cout<<"apply command " << name() << std::endl;
-
         // TODO: idea
         // shoot multiple rockets at once or from different positions after
         // level up / upgrade ...
 
         // angles are supplied in degrees and are CCW
-        Missile *missile = new Missile(player, player->ship->position, -util::deg2rad(m_angle), player->speed);
+        Missile *missile = new Missile(
+                player,
+                player->ship->position,
+                -util::deg2rad(m_angle),
+                0.005*player->speed);
 
         Trace *trace = new Trace(missile);
         missile->trace = trace;
@@ -30,9 +32,7 @@ namespace game {
     {
         (void) state;
 
-        // TODO
         return player->alive && player->energy >= player->speed;
-        //return player->alive;
     }
 
     void ChangeNameCommand::apply(Player *player, State *state) const
@@ -51,6 +51,11 @@ namespace game {
     void SetSpeedCommand::apply(Player *player, State *state) const
     {
         (void) state;
+
+        if (m_speed < 0.0) {
+            return;
+        }
+
         player->speed = m_speed;
     }