From a2f7c6b7ce2d056a0f7ef88bf762633de1ae1231 Mon Sep 17 00:00:00 2001
From: elom0n <74347790+elom0n@users.noreply.github.com>
Date: Sun, 24 Jul 2022 23:53:18 +0200
Subject: [PATCH] added nested events as well as a sparkler option
---
projects/fire_works/shaders/event.inc | 4 +-
projects/fire_works/shaders/generation.comp | 35 +++-
projects/fire_works/shaders/motion.comp | 7 +-
projects/fire_works/shaders/scale.comp | 2 +-
projects/fire_works/src/main.cpp | 188 ++++++++++++--------
5 files changed, 150 insertions(+), 86 deletions(-)
diff --git a/projects/fire_works/shaders/event.inc b/projects/fire_works/shaders/event.inc
index 12bf3906..a2ab170c 100644
--- a/projects/fire_works/shaders/event.inc
+++ b/projects/fire_works/shaders/event.inc
@@ -10,12 +10,12 @@ struct event_t {
uint count;
uint index;
uint parent;
- uint pad0;
+ uint continuous;
float lifetime;
float mass;
float size;
- float pad1;
+ uint contCount;
};
#endif // EVENT_INC
\ No newline at end of file
diff --git a/projects/fire_works/shaders/generation.comp b/projects/fire_works/shaders/generation.comp
index 864a9e44..3fdbd3a8 100644
--- a/projects/fire_works/shaders/generation.comp
+++ b/projects/fire_works/shaders/generation.comp
@@ -77,18 +77,35 @@ void main() {
for (uint i = 0; i < events.length(); i++) {
const float start = events[i].startTime;
- if (((t - dt * 2) >= start) || (t < start)) {
+ if (events[i].continuous < 1 && (((t - dt * 2) >= start) || (t < start))) {
continue;
}
index = atomicAdd(events[i].index, 1);
- if (events[i].count > index) {
- event_id = i;
- break;
- } else {
- atomicAdd(events[i].index, -1);
+ if(events[i].continuous < 1){
+ if (events[i].count > index) {
+ event_id = i;
+ break;
+ }else{
+ atomicAdd(events[i].index, -1);
+ }
+ }else{
+ if(events[i].continuous > index){
+ event_id = i;
+ break;
+ }else{
+ if(events[i].contCount > 0){
+ atomicAdd(events[i].contCount, -1);
+ events[i].index = 0;
+ }
+ atomicAdd(events[i].index, -1);
+ }
}
+
+
+
+
}
if (event_id >= events.length()) {
@@ -115,8 +132,8 @@ void main() {
float size = events[event_id].size;
if (events[event_id].parent < events.length()) {
- const uint spawnId = startIndex[events[event_id].parent];
-
+ const uint spawnId = startIndex[events[event_id].parent];// + int(int(events[events[event_id].parent].count * randomData[events[event_id].index % randomData.length()]) % events[events[event_id].parent].count);
+
if (spawnId < particlesCopy.length()) {
particles[id].position = particlesCopy[spawnId].position;
velocity += particlesCopy[spawnId].velocity;
@@ -124,7 +141,7 @@ void main() {
}
}
- if (0 == index) {
+ if (0 == index && events[event_id].continuous < 1) {
const uint sid = atomicAdd(smokeIndex, 1) % smokes.length();
smokes[sid].position = particles[id].position;
diff --git a/projects/fire_works/shaders/motion.comp b/projects/fire_works/shaders/motion.comp
index 3e171101..f607d3cf 100644
--- a/projects/fire_works/shaders/motion.comp
+++ b/projects/fire_works/shaders/motion.comp
@@ -36,7 +36,12 @@ void main() {
const float fading = 1.0f / (1.0f + friction);
position = position + velocity * dt;
- velocity = velocity * fading + vec3(0.0f, -g, 0.0f) * dt;
+ if(particles[id].mass > 0){
+ velocity = velocity * fading + vec3(0.0f, -g, 0.0f) * dt;
+ }
+ else{
+ velocity = velocity * fading;
+ }
particles[id].position = position;
particles[id].lifetime = lifetime;
diff --git a/projects/fire_works/shaders/scale.comp b/projects/fire_works/shaders/scale.comp
index 1f452611..44cfb8e4 100644
--- a/projects/fire_works/shaders/scale.comp
+++ b/projects/fire_works/shaders/scale.comp
@@ -31,7 +31,7 @@ void main() {
const float fading = 1.0f / (1.0f + friction);
position = position + velocity * dt;
- velocity = velocity * fading + vec3(0.0f, -g, 0.0f) * dt;
+ velocity = velocity * fading + vec3(0.0f, 0.2f, 0.0f) * dt; //smoke is lighter than air right? + vec3(0.0f, -g, 0.0f) * dt;
size = size + scaling * dt;
smokes[id].position = position;
diff --git a/projects/fire_works/src/main.cpp b/projects/fire_works/src/main.cpp
index c4de5a7a..3bf4714d 100644
--- a/projects/fire_works/src/main.cpp
+++ b/projects/fire_works/src/main.cpp
@@ -29,12 +29,12 @@ struct event_t {
uint32_t count;
uint32_t index;
uint32_t parent;
- uint32_t pad0;
+ uint32_t continous;
float lifetime;
float mass;
float size;
- float pad1;
+ uint32_t contCount;
};
struct smoke_t {
@@ -79,7 +79,7 @@ struct draw_smoke_t {
#define RANDOM_DATA_LENGTH (1024)
#define POINT_COUNT (2048 * 256)
-void initializeParticles(std::vector<particle_t> &particles) {
+void InitializeParticles(std::vector<particle_t> &particles) {
for (size_t i = 0; i < particles.size(); i++) {
particle_t particle;
particle.position = glm::vec3(2.0f * (std::rand() % RAND_MAX) / RAND_MAX - 1.0f,
@@ -95,6 +95,96 @@ void initializeParticles(std::vector<particle_t> &particles) {
}
}
+void InitializeFireworkEvents(std::vector<event_t>& events) {
+ events.emplace_back(glm::vec3(0, 1, 0), 0.5f, glm::vec3(0.0f, 1.0f, 0.0f), 12.5f,
+
+ 1, 0, UINT_MAX, 0,
+
+ 1.0f, 1.0f, 0.5f, 0);
+
+ events.emplace_back(glm::vec3(0.0f), 1.5f, glm::vec3(0.0f, 1.0f, 1.0f), 10.0f,
+
+ 100, 0, events.size() - 1, 0,
+
+ 10.0f, 1.0f, 0.0f, 0);
+
+ events.emplace_back(glm::vec3(0.5, 1, 0), 0.25f, glm::vec3(0.0f, 1.5f, 0.0f), 15.0f,
+
+ 1, 0, UINT_MAX, 0,
+
+ 0.5f, 1.0f, 0.5f, 0);
+
+ events.emplace_back(glm::vec3(0.0f), 0.75f, glm::vec3(0.0f, 1.5f, 1.0f), 8.0f,
+
+ 150, 0, events.size() - 1, 0,
+
+ 10.0f, 1.0f, 0.0f, 0);
+
+ events.emplace_back(glm::vec3(-2.5, 3, 0.5), 1.0f, glm::vec3(246.0f, 189.0f, 255.0f), 12.5f,
+
+ 1, 0, UINT_MAX, 0,
+
+ 1.0f, 1.0f, 0.5f, 0);
+
+ events.emplace_back(glm::vec3(0.0f), 2.0f, glm::vec3(235.0f, 137.0f, 250.0f), 8.0f,
+
+ 75, 0, events.size() - 1, 0,
+
+ 10.0f, 1.0f, 0.0f, 0);
+}
+
+void InitializeSparklerEvents(std::vector<event_t> &events) {
+ events.emplace_back(glm::vec3(0, 1, 0), 0.0f, glm::vec3(251.0f, 255.0f, 145.0f), 1.0f,
+
+ 1, 0, UINT_MAX, 0,
+
+ 8.0f, 0.0f, 0.5f, 0);
+
+ events.emplace_back(glm::vec3(0.0f), 0.0f, glm::vec3(251.0f, 255.0f, 145.0f), 10.0f,
+
+ 1000, 1, events.size() - 1, 10,
+
+ 0.5f, -1.0f, 0.0f, 100);
+}
+
+void InitializeNestedFireworkEvents(std::vector<event_t>& events) {
+ events.emplace_back(glm::vec3(0, 2, 0), 0.0f, glm::vec3(0.0f, 1.0f, 0.0f), 12.5f,
+
+ 1, 0, UINT_MAX, 0,
+
+ 1.0f, 1.0f, 0.5f, 0);
+
+ events.emplace_back(glm::vec3(0.0f), 1.0f, glm::vec3(0.0f, 1.0f, 1.0f), 7.0f,
+
+ 100, 0, events.size() - 1, 0,
+
+ 10.0f, 1.0f, 0.0f, 0);
+
+ events.emplace_back(glm::vec3(0.0f), 2.0f, glm::vec3(0.0f, 0.0f, 0.0f), 10.0f,
+
+ 100, 0, events.size() - 1, 0,
+
+ 10.0f, 1.0f, 0.0f, 0);
+
+ events.emplace_back(glm::vec3(0.0f), 1.0f, glm::vec3(42.0f,0.0f, 1.0f), 12.5f,
+
+ 100, 0, events.size() - 2, 0,
+
+ 1.0f, 1.0f, 0.5f, 0);
+
+ events.emplace_back(glm::vec3(0.0f), 1.5f, glm::vec3(42.0f, 0.0f, 1.0f), 10.0f,
+
+ 100, 0, events.size() - 1, 0,
+
+ 10.0f, 1.0f, 0.0f, 0);
+
+ events.emplace_back(glm::vec3(0.0f), 2.0f, glm::vec3(42.0f, 0.0f, 1.0f), 10.0f,
+
+ 100, 0, events.size() - 1, 0,
+
+ 10.0f, 1.0f, 0.0f, 0);
+}
+
int main(int argc, const char **argv) {
vkcv::Features features;
@@ -263,7 +353,7 @@ int main(int argc, const char **argv) {
std::vector<particle_t> particles;
particles.resize(PARTICLE_COUNT);
- initializeParticles(particles);
+ InitializeParticles(particles);
vkcv::Buffer<particle_t> particleBuffer = core.createBuffer<particle_t>(
vkcv::BufferType::STORAGE,
@@ -304,74 +394,7 @@ int main(int argc, const char **argv) {
randomBuffer.fill(randomData);
std::vector<event_t> events;
-
- events.emplace_back(
- glm::vec3(0, 1, 0),
- 0.5f,
- glm::vec3(0.0f, 1.0f, 0.0f),
- 12.5f,
-
- 1,
- 0,
- UINT_MAX,
- 0,
-
- 1.0f,
- 1.0f,
- 0.5f,
- 0.0f
- );
-
- events.emplace_back(
- glm::vec3(0.0f),
- 1.5f,
- glm::vec3(0.0f, 1.0f, 1.0f),
- 10.0f,
-
- 100,
- 0,
- events.size() - 1,
- 0,
-
- 10.0f,
- 1.0f,
- 0.0f,
- 0.0f
- );
-
- events.emplace_back(
- glm::vec3(0.5, 1, 0),
- 0.25f,
- glm::vec3(0.0f, 1.5f, 0.0f),
- 15.0f,
-
- 1,
- 0,
- UINT_MAX,
- 0,
-
- 0.5f,
- 1.0f,
- 0.5f,
- 0.0f
- );
-
- events.emplace_back(
- glm::vec3(0.0f),
- 0.75f,
- glm::vec3(0.0f, 1.5f, 1.0f),
- 8.0f,
-
- 150,
- 0,
- events.size() - 1,
- 0,
-
- 10.0f,
- 1.0f,
- 0.0f,
- 0.0f
- );
+ InitializeFireworkEvents(events);
vkcv::Buffer<event_t> eventBuffer = core.createBuffer<event_t>(
vkcv::BufferType::STORAGE,
@@ -934,6 +957,11 @@ int main(int argc, const char **argv) {
gui.beginGUI();
ImGui::Begin("Settings");
+ bool listbox = ImGui::BeginListBox(" ");
+ bool firework = ImGui::Selectable("Firework");
+ bool sparkler = ImGui::Selectable("Sparkler");
+ bool nested = ImGui::Selectable("Nested Firework");
+ ImGui::EndListBox();
bool resetTime = ImGui::Button("Reset");
ImGui::End();
@@ -961,10 +989,24 @@ int main(int argc, const char **argv) {
}
startIndexBuffer.fill(startingIndex);
+
+ if (firework) {
+ events.clear();
+ InitializeFireworkEvents(events);
+ resetTime = true;
+ } else if (sparkler) {
+ events.clear();
+ InitializeSparklerEvents(events);
+ resetTime = true;
+ } else if (nested) {
+ events.clear();
+ InitializeNestedFireworkEvents(events);
+ resetTime = true;
+ }
if (resetTime) {
start = std::chrono::system_clock::now();
- initializeParticles(particles);
+ InitializeParticles(particles);
particleBuffer.fill(particles);
eventBuffer.fill(events);
smokeBuffer.fill(smokes);
--
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