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authorLoek Le Blansch <loek@pipeframe.xyz>2024-11-05 15:34:31 +0100
committerLoek Le Blansch <loek@pipeframe.xyz>2024-11-05 15:34:31 +0100
commit5f75bdbf3d38c94baeae52f4c4889f147ec6885e (patch)
tree5fc76975e41ae106df61a4d59559f0ab37fb52ac /src/crepe/ParticleSystem.cpp
parent9572c5b35de2d13dbe7f942e3ecc50d28b36e9b8 (diff)
move systems + update contributing.md
Diffstat (limited to 'src/crepe/ParticleSystem.cpp')
-rw-r--r--src/crepe/ParticleSystem.cpp62
1 files changed, 0 insertions, 62 deletions
diff --git a/src/crepe/ParticleSystem.cpp b/src/crepe/ParticleSystem.cpp
deleted file mode 100644
index af6c550..0000000
--- a/src/crepe/ParticleSystem.cpp
+++ /dev/null
@@ -1,62 +0,0 @@
-#include <cmath>
-#include <ctime>
-
-#include "api/ParticleEmitter.h"
-
-#include "ComponentManager.h"
-#include "ParticleSystem.h"
-
-using namespace crepe;
-
-ParticleSystem::ParticleSystem() : elapsed_time(0.0f) {}
-
-void ParticleSystem::update() {
- ComponentManager & mgr = ComponentManager::get_instance();
- std::vector<std::reference_wrapper<ParticleEmitter>> emitters
- = mgr.get_components_by_type<ParticleEmitter>();
- float delta_time = 0.10;
- for (ParticleEmitter & emitter : emitters) {
- float update_amount = 1 / static_cast<float>(emitter.emission_rate);
- for (float i = 0; i < delta_time; i += update_amount) {
- emit_particle(emitter);
- }
- for (size_t j = 0; j < emitter.particles.size(); j++) {
- if (emitter.particles[j].active) {
- emitter.particles[j].update(delta_time);
- }
- }
- }
-}
-
-void ParticleSystem::emit_particle(ParticleEmitter & emitter) {
- Position initial_position = {emitter.position.x, emitter.position.y};
- float random_angle = 0.0f;
- if (emitter.max_angle < emitter.min_angle) {
- random_angle = ((emitter.min_angle
- + (std::rand()
- % (static_cast<uint32_t>(emitter.max_angle + 360
- - emitter.min_angle + 1))))
- % 360);
- } else {
- random_angle = emitter.min_angle
- + (std::rand()
- % (static_cast<uint32_t>(emitter.max_angle
- - emitter.min_angle + 1)));
- }
- float angle_in_radians = random_angle * (M_PI / 180.0f);
- float random_speed_offset = (static_cast<float>(std::rand()) / RAND_MAX)
- * (2 * emitter.speed_offset)
- - emitter.speed_offset;
- float velocity_x
- = (emitter.speed + random_speed_offset) * std::cos(angle_in_radians);
- float velocity_y
- = (emitter.speed + random_speed_offset) * std::sin(angle_in_radians);
- Position initial_velocity = {velocity_x, velocity_y};
- for (size_t i = 0; i < emitter.particles.size(); i++) {
- if (!emitter.particles[i].active) {
- emitter.particles[i].reset(emitter.end_lifespan, initial_position,
- initial_velocity);
- break;
- }
- }
-}