diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/crepe/api/AI.cpp | 87 | ||||
| -rw-r--r-- | src/crepe/api/AI.h | 126 | ||||
| -rw-r--r-- | src/crepe/api/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/crepe/api/LoopManager.cpp | 3 | ||||
| -rw-r--r-- | src/crepe/api/Vector2.h | 24 | ||||
| -rw-r--r-- | src/crepe/api/Vector2.hpp | 48 | ||||
| -rw-r--r-- | src/crepe/system/AISystem.cpp | 185 | ||||
| -rw-r--r-- | src/crepe/system/AISystem.h | 81 | ||||
| -rw-r--r-- | src/crepe/system/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/example/AITest.cpp | 86 | ||||
| -rw-r--r-- | src/example/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | src/test/Vector2Test.cpp | 148 |
12 files changed, 793 insertions, 0 deletions
diff --git a/src/crepe/api/AI.cpp b/src/crepe/api/AI.cpp new file mode 100644 index 0000000..34e1438 --- /dev/null +++ b/src/crepe/api/AI.cpp @@ -0,0 +1,87 @@ +#include <stdexcept> + +#include "AI.h" + +namespace crepe { + +AI::AI(game_object_id_t id, float max_force) : Component(id), max_force(max_force) {} + +void AI::make_circle_path(float radius, const vec2 & center, float start_angle, + bool clockwise) { + if (radius <= 0) { + throw std::runtime_error("Radius must be greater than 0"); + } + + // The step size is determined by the radius (step size is in radians) + float step = RADIUS_TO_STEP / radius; + // Force at least MIN_STEP steps (in case of a small radius) + if (step > 2 * M_PI / MIN_STEP) { + step = 2 * M_PI / MIN_STEP; + } + // The path node distance is determined by the step size and the radius + path_node_distance = radius * step * 0.75f; + + if (clockwise) { + for (float i = start_angle; i < 2 * M_PI + start_angle; i += step) { + path.push_back(vec2{static_cast<float>(center.x + radius * cos(i)), + static_cast<float>(center.y + radius * sin(i))}); + } + } else { + for (float i = start_angle; i > start_angle - 2 * M_PI; i -= step) { + path.push_back(vec2{static_cast<float>(center.x + radius * cos(i)), + static_cast<float>(center.y + radius * sin(i))}); + } + } +} + +void AI::make_oval_path(float radius_x, float radius_y, const vec2 & center, float start_angle, + bool clockwise, float rotation) { + if (radius_x <= 0 && radius_y <= 0) { + throw std::runtime_error("Radius must be greater than 0"); + } + + float max_radius = std::max(radius_x, radius_y); + // The step size is determined by the radius (step size is in radians) + float step = RADIUS_TO_STEP / max_radius; + // Force at least MIN_STEP steps (in case of a small radius) + if (step > 2 * M_PI / MIN_STEP) { + step = 2 * M_PI / MIN_STEP; + } + // The path node distance is determined by the step size and the radius + path_node_distance = max_radius * step * 0.75f; + + auto rotate_point = [rotation](vec2 point, vec2 center) { + float s = sin(rotation); + float c = cos(rotation); + + // Translate point back to origin + point.x -= center.x; + point.y -= center.y; + + // Rotate point + float xnew = point.x * c - point.y * s; + float ynew = point.x * s + point.y * c; + + // Translate point back + point.x = xnew + center.x; + point.y = ynew + center.y; + + return point; + }; + + if (clockwise) { + for (float i = start_angle; i < 2 * M_PI + start_angle; i += step) { + vec2 point = {static_cast<float>(center.x + radius_x * cos(i)), + static_cast<float>(center.y + radius_y * sin(i))}; + path.push_back(rotate_point(point, center)); + } + } else { + for (float i = start_angle; i > start_angle - 2 * M_PI; i -= step) { + vec2 point = {static_cast<float>(center.x + radius_x * cos(i)), + static_cast<float>(center.y + radius_y * sin(i))}; + path.push_back(rotate_point(point, center)); + } + } +} + +} // namespace crepe diff --git a/src/crepe/api/AI.h b/src/crepe/api/AI.h new file mode 100644 index 0000000..f1c8951 --- /dev/null +++ b/src/crepe/api/AI.h @@ -0,0 +1,126 @@ +#pragma once + +#include "Component.h" +#include "types.h" + +namespace crepe { + +/** + * \brief The AI component is used to control the movement of an entity using AI. + * + * The AI component can be used to control the movement of an entity. The AI component can be used + * to implement different behaviors such as seeking, fleeing, arriving, and path following. + */ +class AI : public Component { +public: + //! The different types of behaviors that can be used + enum BehaviorTypeMask { + SEEK = 0x00002, + FLEE = 0x00004, + ARRIVE = 0x00008, + PATH_FOLLOW = 0x00010, + }; + +public: + /** + * \param id The id of the game object + * \param max_force The maximum force that can be applied to the entity + */ + AI(game_object_id_t id, float max_force); + + /** + * \brief Check if a behavior is on (aka activated) + * + * \param behavior The behavior to check + * \return true if the behavior is on, false otherwise + */ + bool on(BehaviorTypeMask behavior) const { return (flags & behavior); } + //! Turn on the seek behavior + void seek_on() { flags |= SEEK; } + //! Turn off the seek behavior + void seek_off() { flags &= ~SEEK; } + //! Turn on the flee behavior + void flee_on() { flags |= FLEE; } + //! Turn off the flee behavior + void flee_off() { flags &= ~FLEE; } + //! Turn on the arrive behavior + void arrive_on() { flags |= ARRIVE; } + //! Turn off the arrive behavior + void arrive_off() { flags &= ~ARRIVE; } + //! Turn on the path follow behavior + void path_follow_on() { flags |= PATH_FOLLOW; } + //! Turn off the path follow behavior + void path_follow_off() { flags &= ~PATH_FOLLOW; } + + /** + * \brief Add a path node (for the path following behavior) + * + * \note The path is not relative to the entity's position (it is an absolute path) + * + * \param node The path node to add + */ + void add_path_node(const vec2 & node) { path.push_back(node); } + /** + * \brief Make a circle path (for the path following behavior) + * + * \note The path is not relative to the entity's position (it is an absolute path) + * + * \param radius The radius of the circle (in game units) + * \param center The center of the circle (in game units) + * \param start_angle The start angle of the circle (in radians) + * \param clockwise The direction of the circle + */ + void make_circle_path(float radius, const vec2 & center = {0, 0}, float start_angle = 0, + bool clockwise = true); + /** + * \brief Make an oval path (for the path following behavior) + * + * \note The path is not relative to the entity's position (it is an absolute path) + * + * \param radius_x The x radius of the oval (in game units) + * \param radius_y The y radius of the oval (in game units) + * \param center The center of the oval (in game units) + * \param start_angle The start angle of the oval (in radians) + * \param clockwise The direction of the oval + * \param rotation The rotation of the oval (in radians) + */ + void make_oval_path(float radius_x, float radius_y, const vec2 & center = {0, 0}, + float start_angle = 0, bool clockwise = true, float rotation = 0); + +public: + //! The maximum force that can be applied to the entity (higher values will make the entity adjust faster) + float max_force; + + //! The target to seek at + vec2 seek_target; + //! The target to arrive at + vec2 arrive_target; + //! The target to flee from + vec2 flee_target; + //! The distance at which the entity will start to flee from the target + float square_flee_panic_distance = 200.0f * 200.0f; + //! The deceleration rate for the arrive behavior (higher values will make the entity decelerate faster (less overshoot)) + float arrive_deceleration = 40.0f; + //! The path to follow (for the path following behavior) + std::vector<vec2> path; + //! The distance from the path node at which the entity will move to the next node (automatically set by make_circle_path()) + float path_node_distance = 400.0f; + //! Looping behavior for the path + bool path_loop = true; + +private: + //! The flags for the behaviors + int flags = 0; + //! The current path index + size_t path_index = 0; + + //! The AISystem is the only class that should access the flags and path_index variables + friend class AISystem; + + //! The minimum amount of steps for the path following behavior + static constexpr const int MIN_STEP = 16; + //! The radius to step size ratio for the path following behavior + static constexpr const float RADIUS_TO_STEP = 400.0f; +}; + +} // namespace crepe diff --git a/src/crepe/api/CMakeLists.txt b/src/crepe/api/CMakeLists.txt index a163faf..118c7ce 100644 --- a/src/crepe/api/CMakeLists.txt +++ b/src/crepe/api/CMakeLists.txt @@ -23,6 +23,7 @@ target_sources(crepe PUBLIC Script.cpp Button.cpp UIObject.cpp + AI.cpp ) target_sources(crepe PUBLIC FILE_SET HEADERS FILES @@ -55,4 +56,5 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES Asset.h Button.h UIObject.h + AI.h ) diff --git a/src/crepe/api/LoopManager.cpp b/src/crepe/api/LoopManager.cpp index 3e9e21c..1f0ba72 100644 --- a/src/crepe/api/LoopManager.cpp +++ b/src/crepe/api/LoopManager.cpp @@ -1,3 +1,4 @@ +#include "../system/AISystem.h" #include "../system/AnimatorSystem.h" #include "../system/AudioSystem.h" #include "../system/CollisionSystem.h" @@ -22,6 +23,7 @@ LoopManager::LoopManager() { this->load_system<ScriptSystem>(); this->load_system<InputSystem>(); this->load_system<AudioSystem>(); + this->load_system<AISystem>(); } void LoopManager::process_input() { this->get_system<InputSystem>().update(); } @@ -37,6 +39,7 @@ void LoopManager::fixed_update() { EventManager & ev = this->mediator.event_manager; ev.dispatch_events(); this->get_system<ScriptSystem>().update(); + this->get_system<AISystem>().update(); this->get_system<PhysicsSystem>().update(); this->get_system<CollisionSystem>().update(); this->get_system<AudioSystem>().update(); diff --git a/src/crepe/api/Vector2.h b/src/crepe/api/Vector2.h index c278c87..bf9d124 100644 --- a/src/crepe/api/Vector2.h +++ b/src/crepe/api/Vector2.h @@ -66,6 +66,30 @@ struct Vector2 { //! Checks if this vector is not equal to another vector. bool operator!=(const Vector2<T> & other) const; + + //! Truncates the vector to a maximum length. + void truncate(T max); + + //! Normalizes the vector (resulting in vector with a length of 1). + void normalize(); + + //! Returns the length of the vector. + T length() const; + + //! Returns the squared length of the vector. + T length_squared() const; + + //! Returns the dot product (inwendig product) of this vector and another vector. + T dot(const Vector2<T> & other) const; + + //! Returns the distance between this vector and another vector. + T distance(const Vector2<T> & other) const; + + //! Returns the squared distance between this vector and another vector. + T distance_squared(const Vector2<T> & other) const; + + //! Returns the perpendicular vector to this vector. + Vector2 perpendicular() const; }; } // namespace crepe diff --git a/src/crepe/api/Vector2.hpp b/src/crepe/api/Vector2.hpp index cad15f8..ff53cb0 100644 --- a/src/crepe/api/Vector2.hpp +++ b/src/crepe/api/Vector2.hpp @@ -1,5 +1,7 @@ #pragma once +#include <cmath> + #include "Vector2.h" namespace crepe { @@ -115,4 +117,50 @@ bool Vector2<T>::operator!=(const Vector2<T> & other) const { return !(*this == other); } +template <class T> +void Vector2<T>::truncate(T max) { + if (length() > max) { + normalize(); + *this *= max; + } +} + +template <class T> +void Vector2<T>::normalize() { + T len = length(); + if (len > 0) { + *this /= len; + } +} + +template <class T> +T Vector2<T>::length() const { + return std::sqrt(x * x + y * y); +} + +template <class T> +T Vector2<T>::length_squared() const { + return x * x + y * y; +} + +template <class T> +T Vector2<T>::dot(const Vector2<T> & other) const { + return x * other.x + y * other.y; +} + +template <class T> +T Vector2<T>::distance(const Vector2<T> & other) const { + return (*this - other).length(); +} + +template <class T> +T Vector2<T>::distance_squared(const Vector2<T> & other) const { + return (*this - other).length_squared(); +} + +template <class T> +Vector2<T> Vector2<T>::perpendicular() const { + return {-y, x}; +} + } // namespace crepe diff --git a/src/crepe/system/AISystem.cpp b/src/crepe/system/AISystem.cpp new file mode 100644 index 0000000..e2e36a5 --- /dev/null +++ b/src/crepe/system/AISystem.cpp @@ -0,0 +1,185 @@ +#include <algorithm> +#include <cmath> + +#include "api/LoopTimer.h" +#include "manager/ComponentManager.h" +#include "manager/Mediator.h" + +#include "AISystem.h" + +using namespace crepe; + +void AISystem::update() { + const Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + RefVector<AI> ai_components = mgr.get_components_by_type<AI>(); + + //TODO: Use fixed loop dt (this is not available at master at the moment) + double dt = LoopTimer::get_instance().get_delta_time(); + + // Loop through all AI components + for (AI & ai : ai_components) { + if (!ai.active) { + continue; + } + + RefVector<Rigidbody> rigidbodies + = 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"); + } + Rigidbody & rigidbody = rigidbodies.front().get(); + if (!rigidbody.active) { + continue; + } + if (rigidbody.data.mass <= 0) { + throw std::runtime_error("Mass must be greater than 0"); + } + + // Calculate the force to apply to the entity + vec2 force = this->calculate(ai, rigidbody); + // Calculate the acceleration (using the above calculated force) + vec2 acceleration = force / rigidbody.data.mass; + // Finally, update Rigidbody's velocity + rigidbody.data.linear_velocity += acceleration * dt; + } +} + +vec2 AISystem::calculate(AI & ai, const Rigidbody & rigidbody) { + const Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + RefVector<Transform> transforms = mgr.get_components_by_id<Transform>(ai.game_object_id); + Transform & transform = transforms.front().get(); + + vec2 force; + + // Run all the behaviors that are on, and stop if the force gets too high + if (ai.on(AI::BehaviorTypeMask::FLEE)) { + vec2 force_to_add = this->flee(ai, rigidbody, transform); + + if (!this->accumulate_force(ai, force, force_to_add)) { + return force; + } + } + if (ai.on(AI::BehaviorTypeMask::ARRIVE)) { + vec2 force_to_add = this->arrive(ai, rigidbody, transform); + + if (!this->accumulate_force(ai, force, force_to_add)) { + return force; + } + } + if (ai.on(AI::BehaviorTypeMask::SEEK)) { + vec2 force_to_add = this->seek(ai, rigidbody, transform); + + if (!this->accumulate_force(ai, force, force_to_add)) { + return force; + } + } + if (ai.on(AI::BehaviorTypeMask::PATH_FOLLOW)) { + vec2 force_to_add = this->path_follow(ai, rigidbody, transform); + + if (!this->accumulate_force(ai, force, force_to_add)) { + return force; + } + } + + return force; +} + +bool AISystem::accumulate_force(const AI & ai, vec2 & running_total, vec2 & force_to_add) { + float magnitude = running_total.length(); + float magnitude_remaining = ai.max_force - magnitude; + + if (magnitude_remaining <= 0.0f) { + // If the force is already at/above the max force, return false + return false; + } + + float magnitude_to_add = force_to_add.length(); + if (magnitude_to_add < magnitude_remaining) { + // If the force to add is less than the remaining force, add it + running_total += force_to_add; + } else { + // If the force to add is greater than the remaining force, add a fraction of it + force_to_add.normalize(); + running_total += force_to_add * magnitude_remaining; + } + + return true; +} + +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(); + desired_velocity *= rigidbody.data.max_linear_velocity; + + return desired_velocity - rigidbody.data.linear_velocity; +} + +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}; + } + desired_velocity.normalize(); + desired_velocity *= rigidbody.data.max_linear_velocity; + + return desired_velocity - rigidbody.data.linear_velocity; +} + +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(); + if (distance > 0.0f) { + if (ai.arrive_deceleration <= 0.0f) { + throw std::runtime_error("Deceleration rate must be greater than 0"); + } + + float speed = distance / ai.arrive_deceleration; + speed = std::min(speed, rigidbody.data.max_linear_velocity.length()); + vec2 desired_velocity = to_target * (speed / distance); + + return desired_velocity - rigidbody.data.linear_velocity; + } + + return vec2{0, 0}; +} + +vec2 AISystem::path_follow(AI & ai, const Rigidbody & rigidbody, const Transform & transform) { + if (ai.path.empty()) { + return vec2{0, 0}; + } + + // Get the target node + vec2 target = ai.path.at(ai.path_index); + // Calculate the force to apply to the entity + vec2 to_target = target - transform.position; + if (to_target.length_squared() > ai.path_node_distance * ai.path_node_distance) { + // If the entity is not close enough to the target node, seek it + ai.seek_target = target; + ai.arrive_target = target; + } else { + // If the entity is close enough to the target node, move to the next node + ai.path_index++; + if (ai.path_index >= ai.path.size()) { + if (ai.path_loop) { + // If the path is looping, reset the path index + ai.path_index = 0; + } else { + // If the path is not looping, arrive at the last node + ai.path_index = ai.path.size() - 1; + return this->arrive(ai, rigidbody, transform); + } + } + } + + // Seek the target node + return this->seek(ai, rigidbody, transform); +} diff --git a/src/crepe/system/AISystem.h b/src/crepe/system/AISystem.h new file mode 100644 index 0000000..d5f8a8e --- /dev/null +++ b/src/crepe/system/AISystem.h @@ -0,0 +1,81 @@ +#pragma once + +#include "api/AI.h" +#include "api/Rigidbody.h" + +#include "System.h" +#include "api/Transform.h" +#include "types.h" + +namespace crepe { + +/** + * \brief The AISystem is used to control the movement of entities using AI. + * + * The AISystem is used to control the movement of entities using AI. The AISystem can be used to + * implement different behaviors such as seeking, fleeing, arriving, and path following. + */ +class AISystem : public System { +public: + using System::System; + + //! Update the AI system + void update() override; + +private: + /** + * \brief Calculate the total force to apply to the entity + * + * \param ai The AI component + * \param rigidbody The Rigidbody component + */ + vec2 calculate(AI & ai, const Rigidbody & rigidbody); + /** + * \brief Accumulate the force to apply to the entity + * + * \param ai The AI component + * \param running_total The running total of the force + * \param force_to_add The force to add + * \return true if the force was added, false otherwise + */ + bool accumulate_force(const AI & ai, vec2 & running_total, vec2 & force_to_add); + + /** + * \brief Calculate the seek force + * + * \param ai The AI component + * \param rigidbody The Rigidbody component + * \param transform The Transform component + * \return The seek force + */ + vec2 seek(const AI & ai, const Rigidbody & rigidbody, const Transform & transform) const; + /** + * \brief Calculate the flee force + * + * \param ai The AI component + * \param rigidbody The Rigidbody component + * \param transform The Transform component + * \return The flee force + */ + vec2 flee(const AI & ai, const Rigidbody & rigidbody, const Transform & transform) const; + /** + * \brief Calculate the arrive force + * + * \param ai The AI component + * \param rigidbody The Rigidbody component + * \param transform The Transform component + * \return The arrive force + */ + vec2 arrive(const AI & ai, const Rigidbody & rigidbody, const Transform & transform) const; + /** + * \brief Calculate the path follow force + * + * \param ai The AI component + * \param rigidbody The Rigidbody component + * \param transform The Transform component + * \return The path follow force + */ + vec2 path_follow(AI & ai, const Rigidbody & rigidbody, const Transform & transform); +}; + +} // namespace crepe diff --git a/src/crepe/system/CMakeLists.txt b/src/crepe/system/CMakeLists.txt index 6b2e099..0e2db76 100644 --- a/src/crepe/system/CMakeLists.txt +++ b/src/crepe/system/CMakeLists.txt @@ -8,6 +8,7 @@ target_sources(crepe PUBLIC AudioSystem.cpp AnimatorSystem.cpp InputSystem.cpp + AISystem.cpp ) target_sources(crepe PUBLIC FILE_SET HEADERS FILES @@ -19,4 +20,5 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES AudioSystem.h AnimatorSystem.h InputSystem.h + AISystem.h ) diff --git a/src/example/AITest.cpp b/src/example/AITest.cpp new file mode 100644 index 0000000..f4efc9f --- /dev/null +++ b/src/example/AITest.cpp @@ -0,0 +1,86 @@ +#include <crepe/api/AI.h> +#include <crepe/api/BehaviorScript.h> +#include <crepe/api/Camera.h> +#include <crepe/api/Color.h> +#include <crepe/api/GameObject.h> +#include <crepe/api/LoopManager.h> +#include <crepe/api/Rigidbody.h> +#include <crepe/api/Scene.h> +#include <crepe/api/Script.h> +#include <crepe/api/Sprite.h> +#include <crepe/api/Texture.h> +#include <crepe/manager/Mediator.h> +#include <crepe/types.h> + +using namespace crepe; +using namespace std; + +class Script1 : public Script { + bool shutdown(const ShutDownEvent & event) { + // Very dirty way of shutting down the game + throw "ShutDownEvent"; + return true; + } + + bool mousemove(const MouseMoveEvent & event) { + /*RefVector<AI> aivec = this->get_components<AI>(); + AI & ai = aivec.front().get(); + ai.flee_target + = vec2{static_cast<float>(event.mouse_x), static_cast<float>(event.mouse_y)};*/ + return true; + } + + void init() { + subscribe<ShutDownEvent>( + [this](const ShutDownEvent & ev) -> bool { return this->shutdown(ev); }); + subscribe<MouseMoveEvent>( + [this](const MouseMoveEvent & ev) -> bool { return this->mousemove(ev); }); + } +}; + +class Scene1 : public Scene { +public: + void load_scene() override { + Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + + GameObject game_object1 = mgr.new_object("", "", vec2{0, 0}, 0, 1); + GameObject game_object2 = mgr.new_object("", "", vec2{0, 0}, 0, 1); + + Texture img = Texture("asset/texture/test_ap43.png"); + game_object1.add_component<Sprite>(img, Sprite::Data{ + .color = Color::MAGENTA, + .flip = Sprite::FlipSettings{false, false}, + .sorting_in_layer = 1, + .order_in_layer = 1, + .size = {0, 195}, + }); + AI & ai = game_object1.add_component<AI>(3000); + // ai.arrive_on(); + // ai.flee_on(); + ai.path_follow_on(); + ai.make_oval_path(500, 1000, {0, -1000}, 1.5708, true); + ai.make_oval_path(1000, 500, {0, 500}, 4.7124, false); + game_object1.add_component<Rigidbody>(Rigidbody::Data{ + .mass = 0.1f, + .max_linear_velocity = {40, 40}, + }); + game_object1.add_component<BehaviorScript>().set_script<Script1>(); + + game_object2.add_component<Camera>(ivec2{1080, 720}, vec2{5000, 5000}, + Camera::Data{ + .bg_color = Color::WHITE, + .zoom = 1, + }); + } + + string get_name() const override { return "Scene1"; } +}; + +int main() { + LoopManager engine; + engine.add_scene<Scene1>(); + engine.start(); + + return 0; +} diff --git a/src/example/CMakeLists.txt b/src/example/CMakeLists.txt index 5a93b1f..187ed46 100644 --- a/src/example/CMakeLists.txt +++ b/src/example/CMakeLists.txt @@ -19,3 +19,4 @@ endfunction() add_example(rendering_particle) add_example(game) add_example(button) +add_example(AITest) diff --git a/src/test/Vector2Test.cpp b/src/test/Vector2Test.cpp index 17bca41..1e21af9 100644 --- a/src/test/Vector2Test.cpp +++ b/src/test/Vector2Test.cpp @@ -382,3 +382,151 @@ TEST_F(Vector2Test, NotEquals) { EXPECT_FALSE(long_vec1 != long_vec1); EXPECT_TRUE(long_vec1 != long_vec2); } + +TEST_F(Vector2Test, Truncate) { + Vector2<int> vec = {3, 4}; + vec.truncate(3); + EXPECT_EQ(vec.x, 0); + EXPECT_EQ(vec.y, 0); + + Vector2<double> vec2 = {3.0, 4.0}; + vec2.truncate(3.0); + EXPECT_FLOAT_EQ(vec2.x, 1.8); + EXPECT_FLOAT_EQ(vec2.y, 2.4); + + Vector2<long> vec3 = {3, 4}; + vec3.truncate(3); + EXPECT_EQ(vec3.x, 0); + EXPECT_EQ(vec3.y, 0); + + Vector2<float> vec4 = {3.0f, 4.0f}; + vec4.truncate(3.0f); + EXPECT_FLOAT_EQ(vec4.x, 1.8f); + EXPECT_FLOAT_EQ(vec4.y, 2.4f); +} + +TEST_F(Vector2Test, Normalize) { + Vector2<int> vec = {3, 4}; + vec.normalize(); + EXPECT_EQ(vec.x, 0); + EXPECT_EQ(vec.y, 0); + + Vector2<double> vec2 = {3.0, 4.0}; + vec2.normalize(); + EXPECT_FLOAT_EQ(vec2.x, 0.6); + EXPECT_FLOAT_EQ(vec2.y, 0.8); + + Vector2<long> vec3 = {3, 4}; + vec3.normalize(); + EXPECT_EQ(vec3.x, 0); + EXPECT_EQ(vec3.y, 0); + + Vector2<float> vec4 = {3.0f, 4.0f}; + vec4.normalize(); + EXPECT_FLOAT_EQ(vec4.x, 0.6f); + EXPECT_FLOAT_EQ(vec4.y, 0.8f); +} + +TEST_F(Vector2Test, Length) { + Vector2<int> vec = {3, 4}; + EXPECT_EQ(vec.length(), 5); + + Vector2<double> vec2 = {3.0, 4.0}; + EXPECT_FLOAT_EQ(vec2.length(), 5.0); + + Vector2<long> vec3 = {3, 4}; + EXPECT_EQ(vec3.length(), 5); + + Vector2<float> vec4 = {3.0f, 4.0f}; + EXPECT_FLOAT_EQ(vec4.length(), 5.0f); +} + +TEST_F(Vector2Test, LengthSquared) { + Vector2<int> vec = {3, 4}; + EXPECT_EQ(vec.length_squared(), 25); + + Vector2<double> vec2 = {3.0, 4.0}; + EXPECT_FLOAT_EQ(vec2.length_squared(), 25.0); + + Vector2<long> vec3 = {3, 4}; + EXPECT_EQ(vec3.length_squared(), 25); + + Vector2<float> vec4 = {3.0f, 4.0f}; + EXPECT_FLOAT_EQ(vec4.length_squared(), 25.0f); +} + +TEST_F(Vector2Test, Dot) { + Vector2<int> vec1 = {3, 4}; + Vector2<int> vec2 = {5, 6}; + EXPECT_EQ(vec1.dot(vec2), 39); + + Vector2<double> vec3 = {3.0, 4.0}; + Vector2<double> vec4 = {5.0, 6.0}; + EXPECT_FLOAT_EQ(vec3.dot(vec4), 39.0); + + Vector2<long> vec5 = {3, 4}; + Vector2<long> vec6 = {5, 6}; + EXPECT_EQ(vec5.dot(vec6), 39); + + Vector2<float> vec7 = {3.0f, 4.0f}; + Vector2<float> vec8 = {5.0f, 6.0f}; + EXPECT_FLOAT_EQ(vec7.dot(vec8), 39.0f); +} + +TEST_F(Vector2Test, Distance) { + Vector2<int> vec1 = {1, 1}; + Vector2<int> vec2 = {4, 5}; + EXPECT_EQ(vec1.distance(vec2), 5); + + Vector2<double> vec3 = {1.0, 1.0}; + Vector2<double> vec4 = {4.0, 5.0}; + EXPECT_FLOAT_EQ(vec3.distance(vec4), 5.0); + + Vector2<long> vec5 = {1, 1}; + Vector2<long> vec6 = {4, 5}; + EXPECT_EQ(vec5.distance(vec6), 5); + + Vector2<float> vec7 = {1.0f, 1.0f}; + Vector2<float> vec8 = {4.0f, 5.0f}; + EXPECT_FLOAT_EQ(vec7.distance(vec8), 5.0f); +} + +TEST_F(Vector2Test, DistanceSquared) { + Vector2<int> vec1 = {3, 4}; + Vector2<int> vec2 = {5, 6}; + EXPECT_EQ(vec1.distance_squared(vec2), 8); + + Vector2<double> vec3 = {3.0, 4.0}; + Vector2<double> vec4 = {5.0, 6.0}; + EXPECT_FLOAT_EQ(vec3.distance_squared(vec4), 8.0); + + Vector2<long> vec5 = {3, 4}; + Vector2<long> vec6 = {5, 6}; + EXPECT_EQ(vec5.distance_squared(vec6), 8); + + Vector2<float> vec7 = {3.0f, 4.0f}; + Vector2<float> vec8 = {5.0f, 6.0f}; + EXPECT_FLOAT_EQ(vec7.distance_squared(vec8), 8.0f); +} + +TEST_F(Vector2Test, Perpendicular) { + Vector2<int> vec = {3, 4}; + Vector2<int> result = vec.perpendicular(); + EXPECT_EQ(result.x, -4); + EXPECT_EQ(result.y, 3); + + Vector2<double> vec2 = {3.0, 4.0}; + Vector2<double> result2 = vec2.perpendicular(); + EXPECT_FLOAT_EQ(result2.x, -4.0); + EXPECT_FLOAT_EQ(result2.y, 3.0); + + Vector2<long> vec3 = {3, 4}; + Vector2<long> result3 = vec3.perpendicular(); + EXPECT_EQ(result3.x, -4); + EXPECT_EQ(result3.y, 3); + + Vector2<float> vec4 = {3.0f, 4.0f}; + Vector2<float> result4 = vec4.perpendicular(); + EXPECT_FLOAT_EQ(result4.x, -4.0f); + EXPECT_FLOAT_EQ(result4.y, 3.0f); +} |