random walk test controller

[blank.git] / src / controller.cpp

diff --git a/src/controller.cpp b/src/controller.cpp
index b996f9e37a04c80301a5776c288b5af09202b38e..fcdb407f43b047885881304584a88562113e580a 100644 (file)
--- a/src/controller.cpp
+++ b/src/controller.cpp
@@ -46,4 +46,54 @@ void FPSController::Update(int dt) {
        entity.Velocity(glm::rotateY(velocity, yaw));
 }
 
+
+RandomWalk::RandomWalk(Entity &e)
+: entity(e)
+, time_left(0) {
+
+}
+
+
+void RandomWalk::Update(int dt) {
+       time_left -= dt;
+       if (time_left > 0) return;
+       time_left += 2500 + (rand() % 5000);
+
+       constexpr float move_vel = 0.0005f;
+
+       glm::vec3 new_vel = entity.Velocity();
+
+       switch (rand() % 9) {
+               case 0:
+                       new_vel.x = -move_vel;
+                       break;
+               case 1:
+                       new_vel.x = 0.0f;
+                       break;
+               case 2:
+                       new_vel.x = move_vel;
+                       break;
+               case 3:
+                       new_vel.y = -move_vel;
+                       break;
+               case 4:
+                       new_vel.y = 0.0f;
+                       break;
+               case 5:
+                       new_vel.y = move_vel;
+                       break;
+               case 6:
+                       new_vel.z = -move_vel;
+                       break;
+               case 7:
+                       new_vel.z = 0.0f;
+                       break;
+               case 8:
+                       new_vel.z = move_vel;
+                       break;
+       }
+
+       entity.Velocity(new_vel);
+}
+
 }