added minimum turn option, to discretize turns in VR

[laserbrain_demo] / src / app.cc

diff --git a/src/app.cc b/src/app.cc
index 4c6559b..eb02663 100644 (file)
--- a/src/app.cc
+++ b/src/app.cc
@@ -64,7 +64,7 @@ static bool bnstate[8];
 static bool keystate[256];
 static bool gpad_bnstate[64];
 static Vec2 joy_move, joy_look;
-static float joy_deadzone = 0.01;
+static float joy_deadzone = 0.1;
 
 static float framerate;
 
@@ -325,7 +325,18 @@ static void update(float dt)
                jlook_lensq -= jdeadsq;
 
                float mag = len * len;
-               avatar.body_rot += mag * joy_look.x / len * 200.0 * dt;
+
+               if(opt.min_turn > 0.0f) {
+                       static long last_turn;
+                       if(len > 0.5 && time_msec - last_turn > 350) {
+                               float sign = joy_look.x > 0.0f ? 1.0f : -1.0f;
+                               avatar.body_rot += opt.min_turn * sign;
+                               last_turn = time_msec;
+                       }
+               } else {
+                       avatar.body_rot += mag * joy_look.x / len * 200.0 * dt;
+               }
+
                avatar.head_alt += mag * joy_look.y / len * 100.0 * dt;
                if(avatar.head_alt < -90.0f) avatar.head_alt = -90.0f;
                if(avatar.head_alt > 90.0f) avatar.head_alt = 90.0f;