diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/crepe/Particle.cpp | 3 | ||||
| -rw-r--r-- | src/crepe/Particle.h | 5 | ||||
| -rw-r--r-- | src/crepe/api/ParticleEmitter.cpp | 12 | ||||
| -rw-r--r-- | src/crepe/api/ParticleEmitter.h | 13 | ||||
| -rw-r--r-- | src/crepe/system/ParticleSystem.cpp | 72 | ||||
| -rw-r--r-- | src/crepe/system/ParticleSystem.h | 4 | ||||
| -rw-r--r-- | src/example/particles.cpp | 17 | ||||
| -rw-r--r-- | src/makefile | 2 | ||||
| -rw-r--r-- | src/test/ParticleTest.cpp | 103 |
9 files changed, 129 insertions, 102 deletions
diff --git a/src/crepe/Particle.cpp b/src/crepe/Particle.cpp index 3777db0..ab55f37 100644 --- a/src/crepe/Particle.cpp +++ b/src/crepe/Particle.cpp @@ -2,7 +2,8 @@ using namespace crepe; -void Particle::reset(uint32_t lifespan, Vector2 position, Vector2 velocity, double angle) { +void Particle::reset(uint32_t lifespan, Vector2 position, Vector2 velocity, + double angle) { // Initialize the particle state this->time_in_life = 0; this->lifespan = lifespan; diff --git a/src/crepe/Particle.h b/src/crepe/Particle.h index 88a015d..06431bb 100644 --- a/src/crepe/Particle.h +++ b/src/crepe/Particle.h @@ -15,6 +15,7 @@ namespace crepe { */ class Particle { // TODO: add friend particleSsytem and rendersystem. Unit test will fail. + public: //! Position of the particle in 2D space. Vector2 position; @@ -43,7 +44,8 @@ public: * \param velocity The initial velocity of the particle. * \param angle The angle of the particle's trajectory or orientation. */ - void reset(uint32_t lifespan, Vector2 position, Vector2 velocity, double angle); + void reset(uint32_t lifespan, Vector2 position, Vector2 velocity, + double angle); /** * \brief Updates the particle's state. * @@ -58,7 +60,6 @@ public: * movement. */ void stop_movement(); - }; } // namespace crepe diff --git a/src/crepe/api/ParticleEmitter.cpp b/src/crepe/api/ParticleEmitter.cpp index 1703026..e7f298c 100644 --- a/src/crepe/api/ParticleEmitter.cpp +++ b/src/crepe/api/ParticleEmitter.cpp @@ -1,20 +1,18 @@ #include "ParticleEmitter.h" #include "Particle.h" - using namespace crepe; -ParticleEmitter::ParticleEmitter(uint32_t game_object_id, const Data& data) : Component(game_object_id),data(data) { - for (size_t i = 0; i < this->data.max_particles; i++) { - this->data.particles.emplace_back(); - } +ParticleEmitter::ParticleEmitter(uint32_t game_object_id, const Data & data) + : Component(game_object_id), data(data) { + for (size_t i = 0; i < this->data.max_particles; i++) { + this->data.particles.emplace_back(); + } } - ParticleEmitter::~ParticleEmitter() { std::vector<Particle>::iterator it = this->data.particles.begin(); while (it != this->data.particles.end()) { it = this->data.particles.erase(it); } } - diff --git a/src/crepe/api/ParticleEmitter.h b/src/crepe/api/ParticleEmitter.h index 037effe..83a1588 100644 --- a/src/crepe/api/ParticleEmitter.h +++ b/src/crepe/api/ParticleEmitter.h @@ -12,7 +12,6 @@ namespace crepe { - /** * \brief Data holder for particle emission parameters. * @@ -28,7 +27,7 @@ public: * This structure specifies the boundary's size and offset, as well as the * behavior of particles upon reaching the boundary limits. */ - struct Boundary{ + struct Boundary { //! boundary width (midpoint is emitter location) double width = 0.0; //! boundary height (midpoint is emitter location) @@ -45,7 +44,7 @@ public: * Contains settings for the emitter’s position, particle speed, angle, lifespan, * boundary, and the sprite used for rendering particles. */ - struct Data{ + struct Data { //! position of the emitter Vector2 position; //! maximum number of particles @@ -71,8 +70,9 @@ public: //! collection of particles std::vector<Particle> particles; //! sprite reference - const Sprite& sprite; - }; + const Sprite & sprite; + }; + public: /** * \brief Constructs a ParticleEmitter data holder with specified settings. @@ -80,8 +80,9 @@ public: * \param game_object_id Identifier for the game object using this emitter. * \param data Configuration data defining particle properties. */ - ParticleEmitter(uint32_t game_object_id, const Data& data); + ParticleEmitter(uint32_t game_object_id, const Data & data); ~ParticleEmitter(); + public: //! Configuration data for particle emission settings. Data data; diff --git a/src/crepe/system/ParticleSystem.cpp b/src/crepe/system/ParticleSystem.cpp index ad6699b..4a25b47 100644 --- a/src/crepe/system/ParticleSystem.cpp +++ b/src/crepe/system/ParticleSystem.cpp @@ -1,10 +1,10 @@ #include <cmath> -#include <ctime> #include <cstdlib> +#include <ctime> #include "api/ParticleEmitter.h" -#include "api/Vector2.h" #include "api/Transform.h" +#include "api/Vector2.h" #include "ComponentManager.h" #include "ParticleSystem.h" @@ -16,20 +16,25 @@ ParticleSystem::ParticleSystem() {} void ParticleSystem::update() { // Get all emitters ComponentManager & mgr = ComponentManager::get_instance(); - std::vector<std::reference_wrapper<ParticleEmitter>> emitters = mgr.get_components_by_type<ParticleEmitter>(); + std::vector<std::reference_wrapper<ParticleEmitter>> emitters + = mgr.get_components_by_type<ParticleEmitter>(); for (ParticleEmitter & emitter : emitters) { // Get transform linked to emitter - const Transform& transform = mgr.get_components_by_id<Transform>(emitter.game_object_id).front().get(); + const Transform & transform + = mgr.get_components_by_id<Transform>(emitter.game_object_id) + .front() + .get(); // Emit particles based on emission_rate - int updates = calculate_update(this->update_count, emitter.data.emission_rate); + int updates + = calculate_update(this->update_count, emitter.data.emission_rate); for (size_t i = 0; i < updates; i++) { emit_particle(emitter, transform); } // Update all particles - for (Particle& particle : emitter.data.particles) { + for (Particle & particle : emitter.data.particles) { if (particle.active) { particle.update(); } @@ -42,23 +47,25 @@ void ParticleSystem::update() { this->update_count = (this->update_count + 1) % this->MAX_UPDATE_COUNT; } -void ParticleSystem::emit_particle(ParticleEmitter & emitter, const Transform& transform) { +void ParticleSystem::emit_particle(ParticleEmitter & emitter, + const Transform & transform) { constexpr double DEG_TO_RAD = M_PI / 180.0; Vector2 initial_position = emitter.data.position + transform.position; - double random_angle = generate_random_angle(emitter.data.min_angle, emitter.data.max_angle); + double random_angle + = generate_random_angle(emitter.data.min_angle, emitter.data.max_angle); - double random_speed = generate_random_speed(emitter.data.min_speed, emitter.data.max_speed); + double random_speed + = generate_random_speed(emitter.data.min_speed, emitter.data.max_speed); double angle_radians = random_angle * DEG_TO_RAD; - Vector2 velocity = { - random_speed * std::cos(angle_radians), - random_speed * std::sin(angle_radians) - }; + Vector2 velocity = {random_speed * std::cos(angle_radians), + random_speed * std::sin(angle_radians)}; - for (Particle& particle : emitter.data.particles) { + for (Particle & particle : emitter.data.particles) { if (!particle.active) { - particle.reset(emitter.data.end_lifespan, initial_position, velocity, random_angle); + particle.reset(emitter.data.end_lifespan, initial_position, + velocity, random_angle); break; } } @@ -69,15 +76,17 @@ int ParticleSystem::calculate_update(int count, double emission) const { double fractional_part = emission - integer_part; if (fractional_part > 0) { - int denominator = static_cast<int>(1.0 / fractional_part); - return (count % denominator == 0) ? 1 : 0; + int denominator = static_cast<int>(1.0 / fractional_part); + return (count % denominator == 0) ? 1 : 0; } return static_cast<int>(emission); } -void ParticleSystem::check_bounds(ParticleEmitter & emitter, const Transform& transform) { - Vector2 offset = emitter.data.boundary.offset + transform.position + emitter.data.position; +void ParticleSystem::check_bounds(ParticleEmitter & emitter, + const Transform & transform) { + Vector2 offset = emitter.data.boundary.offset + transform.position + + emitter.data.position; double half_width = emitter.data.boundary.width / 2.0; double half_height = emitter.data.boundary.height / 2.0; @@ -86,9 +95,10 @@ void ParticleSystem::check_bounds(ParticleEmitter & emitter, const Transform& tr const double TOP = offset.y - half_height; const double BOTTOM = offset.y + half_height; - for (Particle& particle : emitter.data.particles) { - const Vector2& position = particle.position; - bool within_bounds = (position.x >= LEFT && position.x <= RIGHT && position.y >= TOP && position.y <= BOTTOM); + for (Particle & particle : emitter.data.particles) { + const Vector2 & position = particle.position; + bool within_bounds = (position.x >= LEFT && position.x <= RIGHT + && position.y >= TOP && position.y <= BOTTOM); if (!within_bounds) { if (emitter.data.boundary.reset_on_exit) { @@ -104,22 +114,30 @@ void ParticleSystem::check_bounds(ParticleEmitter & emitter, const Transform& tr } } -double ParticleSystem::generate_random_angle(double min_angle, double max_angle) const { +double ParticleSystem::generate_random_angle(double min_angle, + double max_angle) const { if (min_angle == max_angle) { return min_angle; } else if (min_angle < max_angle) { - return min_angle + static_cast<double>(std::rand() % static_cast<int>(max_angle - min_angle)); + return min_angle + + static_cast<double>(std::rand() + % static_cast<int>(max_angle - min_angle)); } else { double angle_offset = (360 - min_angle) + max_angle; - double random_angle = min_angle + static_cast<double>(std::rand() % static_cast<int>(angle_offset)); + double random_angle = min_angle + + static_cast<double>( + std::rand() % static_cast<int>(angle_offset)); return (random_angle >= 360) ? random_angle - 360 : random_angle; } } -double ParticleSystem::generate_random_speed(double min_speed, double max_speed) const { +double ParticleSystem::generate_random_speed(double min_speed, + double max_speed) const { if (min_speed == max_speed) { return min_speed; } else { - return min_speed + static_cast<double>(std::rand() % static_cast<int>(max_speed - min_speed)); + return min_speed + + static_cast<double>(std::rand() + % static_cast<int>(max_speed - min_speed)); } } diff --git a/src/crepe/system/ParticleSystem.h b/src/crepe/system/ParticleSystem.h index a74ea79..3155df1 100644 --- a/src/crepe/system/ParticleSystem.h +++ b/src/crepe/system/ParticleSystem.h @@ -27,7 +27,7 @@ private: * \param emitter Reference to the ParticleEmitter. * \param transform Const reference to the Transform component associated with the emitter. */ - void emit_particle(ParticleEmitter & emitter, const Transform& transform); + void emit_particle(ParticleEmitter & emitter, const Transform & transform); /** * \brief Calculates the number of times particles should be emitted based on emission rate and update count. @@ -44,7 +44,7 @@ private: * \param emitter Reference to the ParticleEmitter. * \param transform Const reference to the Transform component associated with the emitter. */ - void check_bounds(ParticleEmitter & emitter, const Transform& transform); + void check_bounds(ParticleEmitter & emitter, const Transform & transform); /** * \brief Generates a random angle for particle emission within the specified range. diff --git a/src/example/particles.cpp b/src/example/particles.cpp index 407df4e..6eab046 100644 --- a/src/example/particles.cpp +++ b/src/example/particles.cpp @@ -2,14 +2,13 @@ #include <crepe/api/AssetManager.h> #include <crepe/Component.h> +#include <crepe/api/Color.h> #include <crepe/api/GameObject.h> -#include <crepe/api/Rigidbody.h> -#include <crepe/api/Transform.h> #include <crepe/api/ParticleEmitter.h> +#include <crepe/api/Rigidbody.h> #include <crepe/api/Sprite.h> #include <crepe/api/Texture.h> -#include <crepe/api/Color.h> - +#include <crepe/api/Transform.h> using namespace crepe; using namespace std; @@ -18,10 +17,10 @@ int main(int argc, char * argv[]) { GameObject game_object(0, "", "", Vector2{0, 0}, 0, 0); Color color(0, 0, 0, 0); Sprite test_sprite = game_object.add_component<Sprite>( - make_shared<Texture>("../asset/texture/img.png"), color, - FlipSettings{true, true}); + make_shared<Texture>("../asset/texture/img.png"), color, + FlipSettings{true, true}); game_object.add_component<ParticleEmitter>(ParticleEmitter::Data{ - .position = {0,0}, + .position = {0, 0}, .max_particles = 100, .emission_rate = 0, .min_speed = 0, @@ -30,11 +29,11 @@ int main(int argc, char * argv[]) { .max_angle = 0, .begin_lifespan = 0, .end_lifespan = 0, - .force_over_time = Vector2{0,0}, + .force_over_time = Vector2{0, 0}, .boundary{ .width = 0, .height = 0, - .offset = Vector2{0,0}, + .offset = Vector2{0, 0}, .reset_on_exit = false, }, .sprite = test_sprite, diff --git a/src/makefile b/src/makefile index 59298fd..356179e 100644 --- a/src/makefile +++ b/src/makefile @@ -87,7 +87,7 @@ LOEK += example/audio_internal.cpp TODO += example/components_internal.cpp MAX += example/ecs.cpp LOEK += example/log.cpp -JARO += example/particle.cpp +JARO += example/particles.cpp JARO += example/physics.cpp TODO += example/rendering.cpp LOEK += example/script.cpp diff --git a/src/test/ParticleTest.cpp b/src/test/ParticleTest.cpp index 7883eca..6fe3133 100644 --- a/src/test/ParticleTest.cpp +++ b/src/test/ParticleTest.cpp @@ -1,22 +1,20 @@ #include "api/Vector2.h" -#include <math.h> #include <crepe/ComponentManager.h> +#include <crepe/Particle.h> #include <crepe/api/Config.h> #include <crepe/api/GameObject.h> +#include <crepe/api/ParticleEmitter.h> #include <crepe/api/Rigidbody.h> +#include <crepe/api/Sprite.h> #include <crepe/api/Transform.h> -#include <crepe/api/ParticleEmitter.h> -#include <crepe/Particle.h> #include <crepe/system/ParticleSystem.h> #include <gtest/gtest.h> -#include <crepe/api/Sprite.h> +#include <math.h> using namespace std; using namespace std::chrono_literals; using namespace crepe; - - class ParticlesTest : public ::testing::Test { protected: ParticleSystem particle_system; @@ -25,17 +23,16 @@ protected: std::vector<std::reference_wrapper<Transform>> transforms = mgr.get_components_by_id<Transform>(0); if (transforms.empty()) { - - + GameObject game_object(0, "", "", Vector2{0, 0}, 0, 0); Color color(0, 0, 0, 0); Sprite test_sprite = game_object.add_component<Sprite>( - make_shared<Texture>("../asset/texture/img.png"), color, - FlipSettings{true, true}); + make_shared<Texture>("../asset/texture/img.png"), color, + FlipSettings{true, true}); game_object.add_component<ParticleEmitter>(ParticleEmitter::Data{ - .position = {0,0}, + .position = {0, 0}, .max_particles = 100, .emission_rate = 0, .min_speed = 0, @@ -44,11 +41,11 @@ protected: .max_angle = 0, .begin_lifespan = 0, .end_lifespan = 0, - .force_over_time = Vector2{0,0}, + .force_over_time = Vector2{0, 0}, .boundary{ .width = 0, .height = 0, - .offset = Vector2{0,0}, + .offset = Vector2{0, 0}, .reset_on_exit = false, }, .sprite = test_sprite, @@ -72,7 +69,7 @@ protected: emitter.data.end_lifespan = 0; emitter.data.force_over_time = Vector2{0, 0}; emitter.data.boundary = {0, 0, Vector2{0, 0}, false}; - for (auto& particle : emitter.data.particles) { + for (auto & particle : emitter.data.particles) { particle.active = false; } } @@ -81,7 +78,8 @@ protected: TEST_F(ParticlesTest, spawnParticle) { Config::get_instance().physics.gravity = 1; ComponentManager & mgr = ComponentManager::get_instance(); - ParticleEmitter & emitter = mgr.get_components_by_id<ParticleEmitter>(0).front().get(); + ParticleEmitter & emitter + = mgr.get_components_by_id<ParticleEmitter>(0).front().get(); emitter.data.end_lifespan = 5; emitter.data.boundary.height = 100; emitter.data.boundary.width = 100; @@ -89,7 +87,7 @@ TEST_F(ParticlesTest, spawnParticle) { emitter.data.max_angle = 0.1; emitter.data.max_speed = 10; emitter.data.max_angle = 10; - particle_system.update(); + particle_system.update(); //check if nothing happend EXPECT_EQ(emitter.data.particles[0].active, false); emitter.data.emission_rate = 1; @@ -103,24 +101,30 @@ TEST_F(ParticlesTest, spawnParticle) { particle_system.update(); EXPECT_EQ(emitter.data.particles[3].active, true); - for (auto& particle : emitter.data.particles) { - // Check velocity range - EXPECT_GE(particle.velocity.x, emitter.data.min_speed); // Speed should be greater than or equal to min_speed - EXPECT_LE(particle.velocity.x, emitter.data.max_speed); // Speed should be less than or equal to max_speed - EXPECT_GE(particle.velocity.y, emitter.data.min_speed); // Speed should be greater than or equal to min_speed - EXPECT_LE(particle.velocity.y, emitter.data.max_speed); // Speed should be less than or equal to max_speed - - // Check angle range - EXPECT_GE(particle.angle, emitter.data.min_angle); // Angle should be greater than or equal to min_angle - EXPECT_LE(particle.angle, emitter.data.max_angle); // Angle should be less than or equal to max_angle - } - + for (auto & particle : emitter.data.particles) { + // Check velocity range + EXPECT_GE(particle.velocity.x, emitter.data.min_speed); + // Speed should be greater than or equal to min_speed + EXPECT_LE(particle.velocity.x, emitter.data.max_speed); + // Speed should be less than or equal to max_speed + EXPECT_GE(particle.velocity.y, emitter.data.min_speed); + // Speed should be greater than or equal to min_speed + EXPECT_LE(particle.velocity.y, emitter.data.max_speed); + // Speed should be less than or equal to max_speed + + // Check angle range + EXPECT_GE(particle.angle, emitter.data.min_angle); + // Angle should be greater than or equal to min_angle + EXPECT_LE(particle.angle, emitter.data.max_angle); + // Angle should be less than or equal to max_angle + } } TEST_F(ParticlesTest, moveParticleHorizontal) { Config::get_instance().physics.gravity = 1; ComponentManager & mgr = ComponentManager::get_instance(); - ParticleEmitter & emitter = mgr.get_components_by_id<ParticleEmitter>(0).front().get(); + ParticleEmitter & emitter + = mgr.get_components_by_id<ParticleEmitter>(0).front().get(); emitter.data.end_lifespan = 100; emitter.data.boundary.height = 100; emitter.data.boundary.width = 100; @@ -128,17 +132,17 @@ TEST_F(ParticlesTest, moveParticleHorizontal) { emitter.data.max_speed = 1; emitter.data.max_angle = 0; emitter.data.emission_rate = 1; - for (int a = 1; a < emitter.data.boundary.width/2; a++) { - particle_system.update(); - EXPECT_EQ(emitter.data.particles[0].position.x,a); + for (int a = 1; a < emitter.data.boundary.width / 2; a++) { + particle_system.update(); + EXPECT_EQ(emitter.data.particles[0].position.x, a); } } - TEST_F(ParticlesTest, moveParticleVertical) { Config::get_instance().physics.gravity = 1; ComponentManager & mgr = ComponentManager::get_instance(); - ParticleEmitter & emitter = mgr.get_components_by_id<ParticleEmitter>(0).front().get(); + ParticleEmitter & emitter + = mgr.get_components_by_id<ParticleEmitter>(0).front().get(); emitter.data.end_lifespan = 100; emitter.data.boundary.height = 100; emitter.data.boundary.width = 100; @@ -147,16 +151,17 @@ TEST_F(ParticlesTest, moveParticleVertical) { emitter.data.min_angle = 90; emitter.data.max_angle = 90; emitter.data.emission_rate = 1; - for (int a = 1; a < emitter.data.boundary.width/2; a++) { - particle_system.update(); - EXPECT_EQ(emitter.data.particles[0].position.y,a); + for (int a = 1; a < emitter.data.boundary.width / 2; a++) { + particle_system.update(); + EXPECT_EQ(emitter.data.particles[0].position.y, a); } } TEST_F(ParticlesTest, boundaryParticleReset) { Config::get_instance().physics.gravity = 1; ComponentManager & mgr = ComponentManager::get_instance(); - ParticleEmitter & emitter = mgr.get_components_by_id<ParticleEmitter>(0).front().get(); + ParticleEmitter & emitter + = mgr.get_components_by_id<ParticleEmitter>(0).front().get(); emitter.data.end_lifespan = 100; emitter.data.boundary.height = 10; emitter.data.boundary.width = 10; @@ -166,16 +171,17 @@ TEST_F(ParticlesTest, boundaryParticleReset) { emitter.data.min_angle = 90; emitter.data.max_angle = 90; emitter.data.emission_rate = 1; - for (int a = 0; a < emitter.data.boundary.width/2+1; a++) { - particle_system.update(); + for (int a = 0; a < emitter.data.boundary.width / 2 + 1; a++) { + particle_system.update(); } - EXPECT_EQ(emitter.data.particles[0].active,false); + EXPECT_EQ(emitter.data.particles[0].active, false); } TEST_F(ParticlesTest, boundaryParticleStop) { Config::get_instance().physics.gravity = 1; ComponentManager & mgr = ComponentManager::get_instance(); - ParticleEmitter & emitter = mgr.get_components_by_id<ParticleEmitter>(0).front().get(); + ParticleEmitter & emitter + = mgr.get_components_by_id<ParticleEmitter>(0).front().get(); emitter.data.end_lifespan = 100; emitter.data.boundary.height = 10; emitter.data.boundary.width = 10; @@ -185,13 +191,16 @@ TEST_F(ParticlesTest, boundaryParticleStop) { emitter.data.min_angle = 90; emitter.data.max_angle = 90; emitter.data.emission_rate = 1; - for (int a = 0; a < emitter.data.boundary.width/2+1; a++) { - particle_system.update(); + for (int a = 0; a < emitter.data.boundary.width / 2 + 1; a++) { + particle_system.update(); } const double TOLERANCE = 0.01; EXPECT_NEAR(emitter.data.particles[0].velocity.x, 0, TOLERANCE); EXPECT_NEAR(emitter.data.particles[0].velocity.y, 0, TOLERANCE); - if(emitter.data.particles[0].velocity.x != 0) EXPECT_NEAR(std::abs(emitter.data.particles[0].position.x), emitter.data.boundary.height / 2, TOLERANCE); - if(emitter.data.particles[0].velocity.y != 0) EXPECT_NEAR(std::abs(emitter.data.particles[0].position.y), emitter.data.boundary.width / 2, TOLERANCE); + if (emitter.data.particles[0].velocity.x != 0) + EXPECT_NEAR(std::abs(emitter.data.particles[0].position.x), + emitter.data.boundary.height / 2, TOLERANCE); + if (emitter.data.particles[0].velocity.y != 0) + EXPECT_NEAR(std::abs(emitter.data.particles[0].position.y), + emitter.data.boundary.width / 2, TOLERANCE); } - |