From d69adb5666fd6f73edbc6d410afcdf23c24e7c6b Mon Sep 17 00:00:00 2001 From: Jaro Date: Fri, 8 Nov 2024 19:20:05 +0100 Subject: particle updated --- src/crepe/system/ParticleSystem.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'src/crepe/system/ParticleSystem.h') diff --git a/src/crepe/system/ParticleSystem.h b/src/crepe/system/ParticleSystem.h index 3ac1d3f..3b9cb54 100644 --- a/src/crepe/system/ParticleSystem.h +++ b/src/crepe/system/ParticleSystem.h @@ -10,9 +10,15 @@ public: void update(); private: - void emit_particle(ParticleEmitter & emitter); //emits a new particle + void emit_particle(ParticleEmitter & emitter,const Transform& transform); + int calculate_update(int count, double emission); + void check_bounds(ParticleEmitter & emitter,const Transform& transform); - float elapsed_time; //elapsed time since the last emission +private: + //! counter to count updates to determine how many times emit_particle is called. + uint32_t update_count = 0; + //! determines the lowest amount of emissionrate (1000 = 0.001 = 1 particle per 1000 updates). + const uint32_t MAX_UPDATE_COUNT = 100; }; } // namespace crepe -- cgit v1.2.3 From 760351abd1a6609a8fe0de1269ac69ea275f4250 Mon Sep 17 00:00:00 2001 From: JAROWMR Date: Sun, 10 Nov 2024 18:11:57 +0100 Subject: improved readablity code --- src/crepe/Particle.h | 1 + src/crepe/system/ParticleSystem.cpp | 157 ++++++++++++++---------------------- src/crepe/system/ParticleSystem.h | 61 ++++++++++++-- 3 files changed, 115 insertions(+), 104 deletions(-) (limited to 'src/crepe/system/ParticleSystem.h') diff --git a/src/crepe/Particle.h b/src/crepe/Particle.h index 77c3ea3..88a015d 100644 --- a/src/crepe/Particle.h +++ b/src/crepe/Particle.h @@ -14,6 +14,7 @@ namespace crepe { * to simulate movement and can also be reset or stopped. */ class Particle { + // TODO: add friend particleSsytem and rendersystem. Unit test will fail. public: //! Position of the particle in 2D space. Vector2 position; diff --git a/src/crepe/system/ParticleSystem.cpp b/src/crepe/system/ParticleSystem.cpp index e6dc670..a0b1e55 100644 --- a/src/crepe/system/ParticleSystem.cpp +++ b/src/crepe/system/ParticleSystem.cpp @@ -13,151 +13,112 @@ using namespace crepe; ParticleSystem::ParticleSystem() {} void ParticleSystem::update() { - // Get all emitters ComponentManager & mgr = ComponentManager::get_instance(); - std::vector> emitters - = mgr.get_components_by_type(); + std::vector> emitters = mgr.get_components_by_type(); for (ParticleEmitter & emitter : emitters) { - - // Get transform linked to emitter + // Get transform linked to emitter const Transform& transform = mgr.get_components_by_id(emitter.game_object_id).front().get(); - // Emit particles based on 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); + 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 (size_t j = 0; j < emitter.data.particles.size(); j++) { - if (emitter.data.particles[j].active) { - emitter.data.particles[j].update(); + for (Particle& particle : emitter.data.particles) { + if (particle.active) { + particle.update(); } } - // Check if within boundary - check_bounds(emitter,transform); + // Check if within boundary + check_bounds(emitter, transform); } - update_count++; - if(update_count == MAX_UPDATE_COUNT) update_count = 0; + update_count = (update_count + 1) % 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 min_angle = emitter.data.min_angle; - double max_angle = emitter.data.max_angle; - double random_angle; - if(min_angle == max_angle){ - random_angle = min_angle; - } - else if (min_angle <= max_angle) { - // Standard range (e.g., 10 to 20 degrees) - double angle_offset = max_angle - min_angle; - random_angle = min_angle + static_cast(std::rand() % static_cast(angle_offset)); - } else { - // Wrap-around range (e.g., 350 to 10 degrees) - double angle_offset = (360 - min_angle) + max_angle; - random_angle = min_angle + static_cast(std::rand() % static_cast(angle_offset)); - - // Wrap around to keep random_angle within 0-360 degrees - if (random_angle >= 360) { - random_angle -= 360; - } - } + double random_angle = generate_random_angle(emitter.data.min_angle, emitter.data.max_angle); - // Generate a random speed between min_speed and max_speed - double speed_offset = emitter.data.max_speed - emitter.data.min_speed; - double random_speed = 0.0; - if(emitter.data.max_speed == emitter.data.min_speed) - { - random_speed = emitter.data.min_speed; - } - else { - random_speed = emitter.data.min_speed + static_cast(std::rand() % static_cast(speed_offset)); - } - - // Convert random_angle to radians + 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) - }; + random_speed * std::cos(angle_radians), + random_speed * std::sin(angle_radians) + }; - - for (size_t i = 0; i < emitter.data.particles.size(); i++) { - if (!emitter.data.particles[i].active) { - emitter.data.particles[i].reset(emitter.data.end_lifespan, initial_position,velocity,random_angle); + for (Particle& particle : emitter.data.particles) { + if (!particle.active) { + particle.reset(emitter.data.end_lifespan, initial_position, velocity, random_angle); break; } } } -int ParticleSystem::calculate_update(int count, double emission) { - - //get interger part of the emission +int ParticleSystem::calculate_update(int count, double emission) const { double integer_part = std::floor(emission); - - // Get the fractional part of the emission double fractional_part = emission - integer_part; - // Convert the fractional part to a denominator value - int denominator = static_cast(1.0 / fractional_part); - - // For emissions like 0.01, 0.1, 0.5, etc., calculate the update frequency if (fractional_part > 0) { - // Calculate how often the update should be triggered based on the fractional part - if (count % denominator == 0) { - return 1; - } else { - return 0; - } + int denominator = static_cast(1.0 / fractional_part); + return (count % denominator == 0) ? 1 : 0; } - - // For integer emissions, return the emission directly + return static_cast(emission); } -void ParticleSystem::check_bounds(ParticleEmitter & emitter,const Transform& transform) -{ +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; - // Define boundary edges - const double left = offset.x - half_width; - const double right = offset.x + half_width; - const double top = offset.y - half_height; - const double bottom = offset.y + half_height; + const double LEFT = offset.x - half_width; + const double RIGHT = offset.x + half_width; + const double TOP = offset.y - half_height; + const double BOTTOM = offset.y + half_height; - std::vector& particles = emitter.data.particles; - for (Particle& particle : particles) - { + 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); - // Check if particle is within bounds - 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) - { + if (!within_bounds) { + if (emitter.data.boundary.reset_on_exit) { particle.active = false; - } - else - { + } else { particle.velocity = {0, 0}; - if (particle.position.x < left) particle.position.x = left; - else if (particle.position.x > right) particle.position.x = right; - if (particle.position.y < bottom) particle.position.y = bottom; - else if (particle.position.y > top) particle.position.y = top; + if (position.x < LEFT) particle.position.x = LEFT; + else if (position.x > RIGHT) particle.position.x = RIGHT; + if (position.y < TOP) particle.position.y = TOP; + else if (position.y > BOTTOM) particle.position.y = BOTTOM; } } } } + +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(std::rand() % static_cast(max_angle - min_angle)); + } else { + double angle_offset = (360 - min_angle) + max_angle; + double random_angle = min_angle + static_cast(std::rand() % static_cast(angle_offset)); + return (random_angle >= 360) ? random_angle - 360 : random_angle; + } +} + +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(std::rand() % static_cast(max_speed - min_speed)); + } +} diff --git a/src/crepe/system/ParticleSystem.h b/src/crepe/system/ParticleSystem.h index 3b9cb54..df89ed9 100644 --- a/src/crepe/system/ParticleSystem.h +++ b/src/crepe/system/ParticleSystem.h @@ -4,21 +4,70 @@ namespace crepe { +/** + * \brief ParticleSystem class responsible for managing particle emission, updates, and bounds checking. + */ class ParticleSystem { public: + /** + * \brief Default constructor. + */ ParticleSystem(); + + /** + * \brief Updates all particle emitters by emitting particles, updating particle states, and checking bounds. + */ void update(); private: - void emit_particle(ParticleEmitter & emitter,const Transform& transform); - int calculate_update(int count, double emission); - void check_bounds(ParticleEmitter & emitter,const Transform& transform); + /** + * \brief Emits a particle from the specified emitter based on its emission properties. + * + * \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); + + /** + * \brief Calculates the number of times particles should be emitted based on emission rate and update count. + * + * \param count Current update count. + * \param emission Emission rate. + * \return The number of particles to emit. + */ + int calculate_update(int count, double emission) const; + + /** + * \brief Checks whether particles are within the emitter’s boundary, resets or stops particles if they exit. + * + * \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); + + /** + * \brief Generates a random angle for particle emission within the specified range. + * + * \param min_angle Minimum emission angle in degrees. + * \param max_angle Maximum emission angle in degrees. + * \return Random angle in degrees. + */ + double generate_random_angle(double min_angle, double max_angle) const; + + /** + * \brief Generates a random speed for particle emission within the specified range. + * + * \param min_speed Minimum emission speed. + * \param max_speed Maximum emission speed. + * \return Random speed. + */ + double generate_random_speed(double min_speed, double max_speed) const; private: - //! counter to count updates to determine how many times emit_particle is called. + //! Counter to count updates to determine how many times emit_particle is called. uint32_t update_count = 0; - //! determines the lowest amount of emissionrate (1000 = 0.001 = 1 particle per 1000 updates). - const uint32_t MAX_UPDATE_COUNT = 100; + //! Determines the lowest amount of emission rate (1000 = 0.001 = 1 particle per 1000 updates). + static constexpr uint32_t MAX_UPDATE_COUNT = 100; }; } // namespace crepe -- cgit v1.2.3 From 0006e959643f0150acd230b174287a85d4cb3255 Mon Sep 17 00:00:00 2001 From: JAROWMR Date: Sun, 10 Nov 2024 18:30:10 +0100 Subject: added forward declaration and const reference sprite --- src/crepe/api/ParticleEmitter.h | 6 +++--- src/crepe/system/ParticleSystem.cpp | 1 + src/crepe/system/ParticleSystem.h | 4 ++-- src/test/ParticleTest.cpp | 22 ++++++++++++++++------ 4 files changed, 22 insertions(+), 11 deletions(-) (limited to 'src/crepe/system/ParticleSystem.h') diff --git a/src/crepe/api/ParticleEmitter.h b/src/crepe/api/ParticleEmitter.h index 2cda1bb..e81ed3b 100644 --- a/src/crepe/api/ParticleEmitter.h +++ b/src/crepe/api/ParticleEmitter.h @@ -5,9 +5,9 @@ #include "Component.h" #include "Particle.h" -#include "Transform.h" +#include "Sprite.h" -class Sprite; +// class Sprite; namespace crepe { @@ -70,7 +70,7 @@ public: //! collection of particles std::vector particles; //! sprite reference - const Sprite* sprite; + const Sprite& sprite; }; public: /** diff --git a/src/crepe/system/ParticleSystem.cpp b/src/crepe/system/ParticleSystem.cpp index 33027f8..ad6699b 100644 --- a/src/crepe/system/ParticleSystem.cpp +++ b/src/crepe/system/ParticleSystem.cpp @@ -4,6 +4,7 @@ #include "api/ParticleEmitter.h" #include "api/Vector2.h" +#include "api/Transform.h" #include "ComponentManager.h" #include "ParticleSystem.h" diff --git a/src/crepe/system/ParticleSystem.h b/src/crepe/system/ParticleSystem.h index df89ed9..023a886 100644 --- a/src/crepe/system/ParticleSystem.h +++ b/src/crepe/system/ParticleSystem.h @@ -1,9 +1,9 @@ #pragma once -#include "../api/ParticleEmitter.h" namespace crepe { - +class ParticleEmitter; +class Transform; /** * \brief ParticleSystem class responsible for managing particle emission, updates, and bounds checking. */ diff --git a/src/test/ParticleTest.cpp b/src/test/ParticleTest.cpp index 8c6a7e7..7883eca 100644 --- a/src/test/ParticleTest.cpp +++ b/src/test/ParticleTest.cpp @@ -5,25 +5,36 @@ #include #include #include +#include +#include #include #include - +#include using namespace std; using namespace std::chrono_literals; using namespace crepe; + + class ParticlesTest : public ::testing::Test { protected: - GameObject * game_object; ParticleSystem particle_system; void SetUp() override { ComponentManager & mgr = ComponentManager::get_instance(); std::vector> transforms = mgr.get_components_by_id(0); if (transforms.empty()) { - game_object = new GameObject(0, "", "", Vector2{0, 0}, 0, 0); - game_object->add_component(ParticleEmitter::Data{ + + + GameObject game_object(0, "", "", Vector2{0, 0}, 0, 0); + + Color color(0, 0, 0, 0); + Sprite test_sprite = game_object.add_component( + make_shared("../asset/texture/img.png"), color, + FlipSettings{true, true}); + + game_object.add_component(ParticleEmitter::Data{ .position = {0,0}, .max_particles = 100, .emission_rate = 0, @@ -40,7 +51,7 @@ protected: .offset = Vector2{0,0}, .reset_on_exit = false, }, - .sprite = nullptr, + .sprite = test_sprite, }); } transforms = mgr.get_components_by_id(0); @@ -61,7 +72,6 @@ protected: emitter.data.end_lifespan = 0; emitter.data.force_over_time = Vector2{0, 0}; emitter.data.boundary = {0, 0, Vector2{0, 0}, false}; - emitter.data.sprite = nullptr; for (auto& particle : emitter.data.particles) { particle.active = false; } -- cgit v1.2.3 From 46716724df7697fa789329a62f7a5444ceed5585 Mon Sep 17 00:00:00 2001 From: JAROWMR Date: Sun, 10 Nov 2024 19:18:58 +0100 Subject: changed includes --- src/crepe/Particle.cpp | 2 -- src/crepe/api/ParticleEmitter.cpp | 3 ++- src/crepe/api/ParticleEmitter.h | 1 + src/crepe/system/ParticleSystem.h | 1 + 4 files changed, 4 insertions(+), 3 deletions(-) (limited to 'src/crepe/system/ParticleSystem.h') diff --git a/src/crepe/Particle.cpp b/src/crepe/Particle.cpp index cb2ef0d..3777db0 100644 --- a/src/crepe/Particle.cpp +++ b/src/crepe/Particle.cpp @@ -1,7 +1,5 @@ #include "Particle.h" -#include "api/Transform.h" - using namespace crepe; void Particle::reset(uint32_t lifespan, Vector2 position, Vector2 velocity, double angle) { diff --git a/src/crepe/api/ParticleEmitter.cpp b/src/crepe/api/ParticleEmitter.cpp index 000bf30..1703026 100644 --- a/src/crepe/api/ParticleEmitter.cpp +++ b/src/crepe/api/ParticleEmitter.cpp @@ -1,5 +1,6 @@ -#include "Particle.h" #include "ParticleEmitter.h" +#include "Particle.h" + using namespace crepe; diff --git a/src/crepe/api/ParticleEmitter.h b/src/crepe/api/ParticleEmitter.h index e81ed3b..037effe 100644 --- a/src/crepe/api/ParticleEmitter.h +++ b/src/crepe/api/ParticleEmitter.h @@ -6,6 +6,7 @@ #include "Component.h" #include "Particle.h" #include "Sprite.h" +#include "Vector2.h" // class Sprite; diff --git a/src/crepe/system/ParticleSystem.h b/src/crepe/system/ParticleSystem.h index 023a886..a74ea79 100644 --- a/src/crepe/system/ParticleSystem.h +++ b/src/crepe/system/ParticleSystem.h @@ -1,5 +1,6 @@ #pragma once +#include namespace crepe { class ParticleEmitter; -- cgit v1.2.3 From e42d0877592aa1e88afbe0bc65822cd53a82205d Mon Sep 17 00:00:00 2001 From: JAROWMR Date: Sun, 10 Nov 2024 19:34:15 +0100 Subject: clang format and tidy --- src/crepe/Particle.cpp | 3 +- src/crepe/Particle.h | 5 +- src/crepe/api/ParticleEmitter.cpp | 12 ++--- src/crepe/api/ParticleEmitter.h | 13 ++--- src/crepe/system/ParticleSystem.cpp | 72 +++++++++++++++---------- src/crepe/system/ParticleSystem.h | 4 +- src/example/particles.cpp | 17 +++--- src/makefile | 2 +- src/test/ParticleTest.cpp | 103 ++++++++++++++++++++---------------- 9 files changed, 129 insertions(+), 102 deletions(-) (limited to 'src/crepe/system/ParticleSystem.h') 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::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 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 -#include #include +#include #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> emitters = mgr.get_components_by_type(); + std::vector> emitters + = mgr.get_components_by_type(); for (ParticleEmitter & emitter : emitters) { // Get transform linked to emitter - const Transform& transform = mgr.get_components_by_id(emitter.game_object_id).front().get(); + const Transform & transform + = mgr.get_components_by_id(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(1.0 / fractional_part); - return (count % denominator == 0) ? 1 : 0; + int denominator = static_cast(1.0 / fractional_part); + return (count % denominator == 0) ? 1 : 0; } return static_cast(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(std::rand() % static_cast(max_angle - min_angle)); + return min_angle + + static_cast(std::rand() + % static_cast(max_angle - min_angle)); } else { double angle_offset = (360 - min_angle) + max_angle; - double random_angle = min_angle + static_cast(std::rand() % static_cast(angle_offset)); + double random_angle = min_angle + + static_cast( + std::rand() % static_cast(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(std::rand() % static_cast(max_speed - min_speed)); + return min_speed + + static_cast(std::rand() + % static_cast(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 #include +#include #include -#include -#include #include +#include #include #include -#include - +#include 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( - make_shared("../asset/texture/img.png"), color, - FlipSettings{true, true}); + make_shared("../asset/texture/img.png"), color, + FlipSettings{true, true}); game_object.add_component(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 #include +#include #include #include +#include #include +#include #include -#include -#include #include #include -#include +#include 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> transforms = mgr.get_components_by_id(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( - make_shared("../asset/texture/img.png"), color, - FlipSettings{true, true}); + make_shared("../asset/texture/img.png"), color, + FlipSettings{true, true}); game_object.add_component(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(0).front().get(); + ParticleEmitter & emitter + = mgr.get_components_by_id(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(0).front().get(); + ParticleEmitter & emitter + = mgr.get_components_by_id(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(0).front().get(); + ParticleEmitter & emitter + = mgr.get_components_by_id(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(0).front().get(); + ParticleEmitter & emitter + = mgr.get_components_by_id(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(0).front().get(); + ParticleEmitter & emitter + = mgr.get_components_by_id(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); } - -- cgit v1.2.3 From 1d4b3a44c9ce1e69f4f0e3909998225f8af3fea2 Mon Sep 17 00:00:00 2001 From: JAROWMR Date: Wed, 13 Nov 2024 19:00:29 +0100 Subject: fixed feedback --- src/crepe/Particle.cpp | 2 +- src/crepe/Particle.h | 5 ++--- src/crepe/api/ParticleEmitter.cpp | 9 +-------- src/crepe/api/ParticleEmitter.h | 5 ++--- src/crepe/system/ParticleSystem.h | 8 +++++--- src/crepe/system/PhysicsSystem.h | 10 ++++------ 6 files changed, 15 insertions(+), 24 deletions(-) (limited to 'src/crepe/system/ParticleSystem.h') diff --git a/src/crepe/Particle.cpp b/src/crepe/Particle.cpp index ab55f37..1c3c138 100644 --- a/src/crepe/Particle.cpp +++ b/src/crepe/Particle.cpp @@ -2,7 +2,7 @@ using namespace crepe; -void Particle::reset(uint32_t lifespan, Vector2 position, Vector2 velocity, +void Particle::reset(uint32_t lifespan, const Vector2& position,const Vector2& velocity, double angle) { // Initialize the particle state this->time_in_life = 0; diff --git a/src/crepe/Particle.h b/src/crepe/Particle.h index 06431bb..8782382 100644 --- a/src/crepe/Particle.h +++ b/src/crepe/Particle.h @@ -30,9 +30,8 @@ public: //! The time the particle has been alive, in milliseconds. uint32_t time_in_life = 0; //! The angle at which the particle is oriented or moving. - double angle; + double angle = 0; - Particle() = default; /** * \brief Resets the particle with new properties. * @@ -44,7 +43,7 @@ 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, + void reset(uint32_t lifespan, const Vector2& position,const Vector2& velocity, double angle); /** * \brief Updates the particle's state. diff --git a/src/crepe/api/ParticleEmitter.cpp b/src/crepe/api/ParticleEmitter.cpp index e7f298c..7032f9e 100644 --- a/src/crepe/api/ParticleEmitter.cpp +++ b/src/crepe/api/ParticleEmitter.cpp @@ -3,16 +3,9 @@ using namespace crepe; -ParticleEmitter::ParticleEmitter(uint32_t game_object_id, const Data & data) +ParticleEmitter::ParticleEmitter(game_object_id_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::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 83a1588..6e29e60 100644 --- a/src/crepe/api/ParticleEmitter.h +++ b/src/crepe/api/ParticleEmitter.h @@ -48,7 +48,7 @@ public: //! position of the emitter Vector2 position; //! maximum number of particles - const uint32_t max_particles = 0; + const unsigned int max_particles = 0; //! rate of particle emission per update (Lowest value = 0.001 any lower is ignored) double emission_rate = 0; //! min speed of the particles @@ -80,8 +80,7 @@ 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(); + ParticleEmitter(game_object_id_t game_object_id, const Data & data); public: //! Configuration data for particle emission settings. diff --git a/src/crepe/system/ParticleSystem.h b/src/crepe/system/ParticleSystem.h index 3155df1..3a118fb 100644 --- a/src/crepe/system/ParticleSystem.h +++ b/src/crepe/system/ParticleSystem.h @@ -2,13 +2,15 @@ #include +#include "System.h" + namespace crepe { class ParticleEmitter; class Transform; /** * \brief ParticleSystem class responsible for managing particle emission, updates, and bounds checking. */ -class ParticleSystem { +class ParticleSystem : public System{ public: /** * \brief Default constructor. @@ -18,7 +20,7 @@ public: /** * \brief Updates all particle emitters by emitting particles, updating particle states, and checking bounds. */ - void update(); + void update() override; private: /** @@ -68,7 +70,7 @@ private: //! Counter to count updates to determine how many times emit_particle is called. uint32_t update_count = 0; //! Determines the lowest amount of emission rate (1000 = 0.001 = 1 particle per 1000 updates). - static constexpr uint32_t MAX_UPDATE_COUNT = 100; + static constexpr unsigned int MAX_UPDATE_COUNT = 100; }; } // namespace crepe diff --git a/src/crepe/system/PhysicsSystem.h b/src/crepe/system/PhysicsSystem.h index cc13b70..038c120 100644 --- a/src/crepe/system/PhysicsSystem.h +++ b/src/crepe/system/PhysicsSystem.h @@ -1,5 +1,7 @@ #pragma once +#include "System.h" + namespace crepe { /** * \brief System that controls all physics @@ -7,18 +9,14 @@ namespace crepe { * This class is a physics system that uses a rigidbody and transform * to add physics to a game object. */ -class PhysicsSystem { +class PhysicsSystem : public System { public: - /** - * Constructor is default - */ - PhysicsSystem() = default; /** * \brief updates the physics system. * * It calculates new velocties and changes the postion in the transform. */ - void update(); + void update() override; }; } // namespace crepe -- cgit v1.2.3