diff options
Diffstat (limited to 'src/crepe')
| -rw-r--r-- | src/crepe/CMakeLists.txt | 10 | ||||
| -rw-r--r-- | src/crepe/Particle.cpp | 23 | ||||
| -rw-r--r-- | src/crepe/Particle.hpp | 20 | ||||
| -rw-r--r-- | src/crepe/ParticleEmitter.cpp | 24 | ||||
| -rw-r--r-- | src/crepe/ParticleEmitter.hpp | 25 | ||||
| -rw-r--r-- | src/crepe/ParticleSystem.cpp | 77 | ||||
| -rw-r--r-- | src/crepe/ParticleSystem.hpp | 14 | ||||
| -rw-r--r-- | src/crepe/SDLApp.cpp | 78 | ||||
| -rw-r--r-- | src/crepe/SDLApp.hpp | 28 | ||||
| -rw-r--r-- | src/crepe/crepe/CMakeFiles/CMakeDirectoryInformation.cmake | 16 | ||||
| -rw-r--r-- | src/crepe/crepe/CMakeFiles/progress.marks | 1 | ||||
| -rw-r--r-- | src/crepe/crepe/Makefile | 140 | ||||
| -rw-r--r-- | src/crepe/crepe/cmake_install.cmake | 44 |
13 files changed, 500 insertions, 0 deletions
diff --git a/src/crepe/CMakeLists.txt b/src/crepe/CMakeLists.txt index d85aef0..a02e991 100644 --- a/src/crepe/CMakeLists.txt +++ b/src/crepe/CMakeLists.txt @@ -1,7 +1,13 @@ + target_sources(crepe PUBLIC Asset.cpp Sound.cpp SoundContext.cpp + main.cpp + Particle.cpp + ParticleEmitter.cpp + ParticleSystem.cpp + SDLApp.cpp ComponentManager.cpp Component.cpp GameObject.cpp @@ -16,6 +22,10 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES Asset.h Sound.h SoundContext.h + ParticleEmitter.hpp + ParticleSystem.hpp + Particle.hpp + SDLApp.hpp ComponentManager.h ComponentManager.hpp Component.h diff --git a/src/crepe/Particle.cpp b/src/crepe/Particle.cpp new file mode 100644 index 0000000..8cf7f7e --- /dev/null +++ b/src/crepe/Particle.cpp @@ -0,0 +1,23 @@ +#include "Particle.hpp" +#include <iostream> + +Particle::Particle() +{ + this->active = false; +} + +void Particle::reset(float lifespan, Position position, Position velocity) { + this->timeInLife = 0; + this->lifespan = lifespan; + this->position = position; + this->velocity = velocity; + this->active = true; +} + +void Particle::update(float deltaTime) { + timeInLife += deltaTime; + position.x += velocity.x * deltaTime; + position.y += velocity.y * deltaTime; + if(timeInLife >= lifespan)this->active = false; +} + diff --git a/src/crepe/Particle.hpp b/src/crepe/Particle.hpp new file mode 100644 index 0000000..669a8ab --- /dev/null +++ b/src/crepe/Particle.hpp @@ -0,0 +1,20 @@ +#pragma once + +struct Position { + float x; + float y; + }; + +class Particle { +public: + + Position position; + Position velocity; + float lifespan; + bool active; + + Particle(); + void reset(float lifespan, Position position, Position velocity); + void update(float deltaTime); + float timeInLife; +}; diff --git a/src/crepe/ParticleEmitter.cpp b/src/crepe/ParticleEmitter.cpp new file mode 100644 index 0000000..3c9cc4e --- /dev/null +++ b/src/crepe/ParticleEmitter.cpp @@ -0,0 +1,24 @@ +#include "ParticleEmitter.hpp" +#include <ctime> +#include "Particle.hpp" +#include <iostream> + +ParticleEmitter::ParticleEmitter(unsigned int maxParticles, unsigned int emissionRate, unsigned int speed, unsigned int speedOffset, unsigned int angle, unsigned int angleOffset, float m_beginLifespan, float m_endLifespan) + : m_maxParticles(maxParticles), m_emissionRate(emissionRate), m_speed(speed), m_speedOffset(speedOffset), m_position{0, 0}, m_beginLifespan(m_beginLifespan),m_endLifespan(m_endLifespan) { + std::srand(static_cast<unsigned int>(std::time(nullptr))); // initialize random seed + std::cout << "Create emitter" << std::endl; + m_minAngle = (360 + angle - (angleOffset % 360)) % 360; // calculate minAngle + m_maxAngle = (360 + angle + (angleOffset % 360)) % 360; // calculate maxAngle + for (size_t i = 0; i < m_maxParticles; i++) + { + this->particles.emplace_back(); + } + +} + +ParticleEmitter::~ParticleEmitter() { + std::vector<Particle>::iterator it = this->particles.begin(); + while (it != this->particles.end()) { + it = this->particles.erase(it); + } +} diff --git a/src/crepe/ParticleEmitter.hpp b/src/crepe/ParticleEmitter.hpp new file mode 100644 index 0000000..5de5e1e --- /dev/null +++ b/src/crepe/ParticleEmitter.hpp @@ -0,0 +1,25 @@ +#pragma once + +#include <vector> +#include "Particle.hpp" + + + +class ParticleEmitter { +public: + ParticleEmitter(unsigned int maxParticles, unsigned int emissionRate, unsigned int speed, unsigned int speedOffset, unsigned int angle, unsigned int angleOffset,float m_beginLifespan,float m_endLifespan); + ~ParticleEmitter(); + + Position m_position; //position of the emitter + unsigned int m_maxParticles; //maximum number of particles + unsigned int m_emissionRate; //rate of particle emission + unsigned int m_speed; //base speed of the particles + unsigned int m_speedOffset; //offset for random speed variation + unsigned int m_minAngle; //min angle of particle emission + unsigned int m_maxAngle; //max angle of particle emission + float m_beginLifespan; //begin Lifespan of particle (only visual) + float m_endLifespan; //begin Lifespan of particle + + std::vector<Particle> particles; //collection of particles + +}; diff --git a/src/crepe/ParticleSystem.cpp b/src/crepe/ParticleSystem.cpp new file mode 100644 index 0000000..aff7a30 --- /dev/null +++ b/src/crepe/ParticleSystem.cpp @@ -0,0 +1,77 @@ +#include "ParticleSystem.hpp" +#include <cmath> +// #include <cstdlib> +#include <ctime> +#include <iostream> // include iostream for std::cout +#include "ParticleEmitter.hpp" +#include "Particle.hpp" + +ParticleSystem::ParticleSystem() : m_elapsedTime(0.0f) {} // Initialize m_elapsedTime to 0 + +void ParticleSystem::update(float deltaTime, std::vector<ParticleEmitter>& emitters) { + // std::cout << "ParticleSystem update" << std::endl; + for (ParticleEmitter& emitter : emitters) { + float updateAmount = 1/static_cast<float>(emitter.m_emissionRate); + for (float i = 0; i < deltaTime; i += updateAmount) + { + emitParticle(emitter); + } + // std::cout << "after emit" << std::endl; + + //update/move particles afterwards delete if not alive. + for (size_t j = 0; j < emitter.particles.size(); j++) + { + // std::cout << "update" << std::endl; + if(emitter.particles[j].active) + { + emitter.particles[j].update(deltaTime); + } + } + + + } +} + +void ParticleSystem::emitParticle(ParticleEmitter& emitter) { + // std::cout << "new emitter:" << std::endl; + Position initialPosition = { emitter.m_position.x, emitter.m_position.y }; + float randomAngle = 0.0f; + //check if value is overthe 360 degrees + if(emitter.m_maxAngle < emitter.m_minAngle) + { + randomAngle = ((emitter.m_minAngle + (std::rand() % (static_cast<int>(emitter.m_maxAngle + 360 - emitter.m_minAngle + 1))))%360); + } + else + { + randomAngle = emitter.m_minAngle + (std::rand() % (static_cast<int>(emitter.m_maxAngle - emitter.m_minAngle + 1))); + } + + + float angleInRadians = randomAngle * (M_PI / 180.0f); + float randomSpeedOffset = (static_cast<float>(std::rand()) / RAND_MAX) * (2 * emitter.m_speedOffset) - emitter.m_speedOffset; + float velocityX = (emitter.m_speed + randomSpeedOffset) * std::cos(angleInRadians); + float velocityY = (emitter.m_speed + randomSpeedOffset) * std::sin(angleInRadians); + Position initialVelocity = { + velocityX, + velocityY + }; + // std::cout << "emitter.m_endLifespan:" << emitter.m_endLifespan << std::endl; + for (size_t i = 0; i < emitter.particles.size(); i++) + { + if(!emitter.particles[i].active) + { + // std::cout << "active " << emitter.particles[i].active << std::endl; + // std::cout << "lifespan " << emitter.particles[i].lifespan << std::endl; + // std::cout << "timeInLife " << emitter.particles[i].timeInLife << std::endl; + // std::cout << "emitter.m_endLifespan" << emitter.m_endLifespan << std::endl; + // std::cout << "initialPositionx" << initialPosition.x << std::endl; + // std::cout << "initialPositiony" << initialPosition.y << std::endl; + // std::cout << "initialVelocityx" << initialVelocity.x << std::endl; + // std::cout << "initialVelocityy" << initialVelocity.y << std::endl; + emitter.particles[i].reset(emitter.m_endLifespan, initialPosition, initialVelocity); + break; + } + } + + //emitter.particles.emplace_back(emitter.m_endLifespan, initialPosition, initialVelocity); +} diff --git a/src/crepe/ParticleSystem.hpp b/src/crepe/ParticleSystem.hpp new file mode 100644 index 0000000..f670415 --- /dev/null +++ b/src/crepe/ParticleSystem.hpp @@ -0,0 +1,14 @@ +#pragma once + +#include <vector> +#include "ParticleEmitter.hpp" + +class ParticleSystem { +public: + ParticleSystem(); + void update(float deltaTime, std::vector<ParticleEmitter>& emitters); +private: + void emitParticle(ParticleEmitter &emitter); //emits a new particle + + float m_elapsedTime; //elapsed time since the last emission +}; diff --git a/src/crepe/SDLApp.cpp b/src/crepe/SDLApp.cpp new file mode 100644 index 0000000..0779af1 --- /dev/null +++ b/src/crepe/SDLApp.cpp @@ -0,0 +1,78 @@ +#include "SDLApp.hpp" +#include <iostream> +#include <vector> +#include "Particle.hpp" +#include "ParticleEmitter.hpp" + +SDLApp::SDLApp(int windowWidth, int windowHeight) + : windowWidth(windowWidth), windowHeight(windowHeight), window(nullptr), renderer(nullptr) {} + +SDLApp::~SDLApp() { + cleanUp(); +} + +bool SDLApp::initialize() { + if (SDL_Init(SDL_INIT_VIDEO) != 0) { + std::cerr << "SDL Initialization Error: " << SDL_GetError() << std::endl; + return false; + } + + window = SDL_CreateWindow("Particle System", + SDL_WINDOWPOS_CENTERED, + SDL_WINDOWPOS_CENTERED, + windowWidth, + windowHeight, + SDL_WINDOW_SHOWN); + if (!window) { + std::cerr << "Window Creation Error: " << SDL_GetError() << std::endl; + return false; + } + + renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED); + if (!renderer) { + std::cerr << "Renderer Creation Error: " << SDL_GetError() << std::endl; + return false; + } + + return true; +} + +void SDLApp::handleEvents(bool& running) { + SDL_Event event; + while (SDL_PollEvent(&event)) { + if (event.type == SDL_QUIT) { + running = false; + } + } +} + +void SDLApp::clearScreen() { + SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255); + SDL_RenderClear(renderer); +} + +void SDLApp::presentScreen() { + SDL_RenderPresent(renderer); +} + +void SDLApp::drawSquare(int x, int y, int size) { + SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255); + SDL_Rect rect = { x, y, size, size }; + SDL_RenderFillRect(renderer, &rect); +} + +SDL_Texture* squareTexture = nullptr; // Load this with an image or create it + + + + + +void SDLApp::cleanUp() { + if (renderer) { + SDL_DestroyRenderer(renderer); + } + if (window) { + SDL_DestroyWindow(window); + } + SDL_Quit(); +} diff --git a/src/crepe/SDLApp.hpp b/src/crepe/SDLApp.hpp new file mode 100644 index 0000000..f95d4bc --- /dev/null +++ b/src/crepe/SDLApp.hpp @@ -0,0 +1,28 @@ +#ifndef SDLAPP_HPP +#define SDLAPP_HPP + +#include <SDL2/SDL.h> +#include "Particle.hpp" +#include "ParticleEmitter.hpp" + +class SDLApp { +public: + SDLApp(int windowWidth, int windowHeight); + ~SDLApp(); + + bool initialize(); + void handleEvents(bool& running); + void clearScreen(); + void presentScreen(); + void drawSquare(int x, int y, int size); + void cleanUp(); + void drawParticles(const std::vector<ParticleEmitter>& emitters); + void drawMultipleSquares(const std::vector<SDL_Rect>& squares); +private: + int windowWidth; + int windowHeight; + SDL_Window* window; + SDL_Renderer* renderer; +}; + +#endif diff --git a/src/crepe/crepe/CMakeFiles/CMakeDirectoryInformation.cmake b/src/crepe/crepe/CMakeFiles/CMakeDirectoryInformation.cmake new file mode 100644 index 0000000..8d03506 --- /dev/null +++ b/src/crepe/crepe/CMakeFiles/CMakeDirectoryInformation.cmake @@ -0,0 +1,16 @@ +# CMAKE generated file: DO NOT EDIT! +# Generated by "Unix Makefiles" Generator, CMake Version 3.28 + +# Relative path conversion top directories. +set(CMAKE_RELATIVE_PATH_TOP_SOURCE "/home/jaro/crepe/src") +set(CMAKE_RELATIVE_PATH_TOP_BINARY 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