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-rw-r--r--src/crepe/system/AISystem.cpp33
1 files changed, 16 insertions, 17 deletions
diff --git a/src/crepe/system/AISystem.cpp b/src/crepe/system/AISystem.cpp
index d231c7c..94445c7 100644
--- a/src/crepe/system/AISystem.cpp
+++ b/src/crepe/system/AISystem.cpp
@@ -10,15 +10,13 @@
using namespace crepe;
using namespace std::chrono;
-void AISystem::update() {
+void AISystem::fixed_update() {
const Mediator & mediator = this->mediator;
ComponentManager & mgr = mediator.component_manager;
- LoopTimerManager & timer = mediator.loop_timer;
- RefVector<AI> ai_components = mgr.get_components_by_type<AI>();
LoopTimerManager & loop_timer = mediator.loop_timer;
+ RefVector<AI> ai_components = mgr.get_components_by_type<AI>();
- //TODO: Use fixed loop dt (this is not available at master at the moment)
- duration_t dt = loop_timer.get_delta_time();
+ float dt = loop_timer.get_scaled_fixed_delta_time().count();
// Loop through all AI components
for (AI & ai : ai_components) {
@@ -30,7 +28,8 @@ void AISystem::update() {
= mgr.get_components_by_id<Rigidbody>(ai.game_object_id);
if (rigidbodies.empty()) {
throw std::runtime_error(
- "AI component must be attached to a GameObject with a Rigidbody component");
+ "AI component must be attached to a GameObject with a Rigidbody component"
+ );
}
Rigidbody & rigidbody = rigidbodies.front().get();
if (!rigidbody.active) {
@@ -45,7 +44,7 @@ void AISystem::update() {
// Calculate the acceleration (using the above calculated force)
vec2 acceleration = force / rigidbody.data.mass;
// Finally, update Rigidbody's velocity
- rigidbody.data.linear_velocity += acceleration * duration_cast<seconds>(dt).count();
+ rigidbody.data.linear_velocity += acceleration * dt;
}
}
@@ -112,8 +111,8 @@ bool AISystem::accumulate_force(const AI & ai, vec2 & running_total, vec2 & forc
return true;
}
-vec2 AISystem::seek(const AI & ai, const Rigidbody & rigidbody,
- const Transform & transform) const {
+vec2 AISystem::seek(const AI & ai, const Rigidbody & rigidbody, const Transform & transform)
+ const {
// Calculate the desired velocity
vec2 desired_velocity = ai.seek_target - transform.position;
desired_velocity.normalize();
@@ -122,12 +121,12 @@ vec2 AISystem::seek(const AI & ai, const Rigidbody & rigidbody,
return desired_velocity - rigidbody.data.linear_velocity;
}
-vec2 AISystem::flee(const AI & ai, const Rigidbody & rigidbody,
- const Transform & transform) const {
+vec2 AISystem::flee(const AI & ai, const Rigidbody & rigidbody, const Transform & transform)
+ const {
// Calculate the desired velocity if the entity is within the panic distance
vec2 desired_velocity = transform.position - ai.flee_target;
if (desired_velocity.length_squared() > ai.square_flee_panic_distance) {
- return vec2{0, 0};
+ return vec2 {0, 0};
}
desired_velocity.normalize();
desired_velocity *= rigidbody.data.max_linear_velocity;
@@ -135,8 +134,8 @@ vec2 AISystem::flee(const AI & ai, const Rigidbody & rigidbody,
return desired_velocity - rigidbody.data.linear_velocity;
}
-vec2 AISystem::arrive(const AI & ai, const Rigidbody & rigidbody,
- const Transform & transform) const {
+vec2 AISystem::arrive(const AI & ai, const Rigidbody & rigidbody, const Transform & transform)
+ const {
// Calculate the desired velocity (taking into account the deceleration rate)
vec2 to_target = ai.arrive_target - transform.position;
float distance = to_target.length();
@@ -146,18 +145,18 @@ vec2 AISystem::arrive(const AI & ai, const Rigidbody & rigidbody,
}
float speed = distance / ai.arrive_deceleration;
- speed = std::min(speed, rigidbody.data.max_linear_velocity.length());
+ speed = std::min(speed, rigidbody.data.max_linear_velocity);
vec2 desired_velocity = to_target * (speed / distance);
return desired_velocity - rigidbody.data.linear_velocity;
}
- return vec2{0, 0};
+ return vec2 {0, 0};
}
vec2 AISystem::path_follow(AI & ai, const Rigidbody & rigidbody, const Transform & transform) {
if (ai.path.empty()) {
- return vec2{0, 0};
+ return vec2 {0, 0};
}
// Get the target node