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add 'frames' particles setting

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This commit is contained in:
MihailRis 2024-11-03 19:18:26 +03:00
parent 39893ee940
commit b9b122dc83
6 changed files with 48 additions and 1 deletions
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19
src/graphics/render/ParticlesRenderer.cpp
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@ -1,6 +1,7 @@
#include "ParticlesRenderer.hpp"
#include "assets/Assets.hpp"
#include "assets/assets_util.hpp"
#include "graphics/core/Shader.hpp"
#include "graphics/core/Texture.hpp"
#include "graphics/render/MainBatch.hpp"
@ -17,6 +18,7 @@ ParticlesRenderer::ParticlesRenderer(
)
: batch(std::make_unique<MainBatch>(1024)),
level(level),
assets(assets),
settings(settings) {}
ParticlesRenderer::~ParticlesRenderer() = default;
@ -59,6 +61,23 @@ void ParticlesRenderer::renderParticles(const Camera& camera, float delta) {
auto& particle = *iter;
auto& preset = particle.emitter->preset;
if (!preset.frames.empty()) {
float time = preset.lifetime - particle.lifetime;
int framesCount = preset.frames.size();
int frameid = time / preset.lifetime * framesCount;
int frameid2 = glm::min(
(time + delta) / preset.lifetime * framesCount,
framesCount - 1.0f
);
if (frameid2 != frameid) {
auto tregion = util::get_texture_region(
assets, preset.frames.at(frameid2), ""
);
if (tregion.texture == texture) {
particle.region = tregion.region;
}
}
}
update_particle(particle, delta, chunks);
glm::vec4 light(1, 1, 1, 0);