Method init

Source/Node/Particle.cpp:205–248

ParticleNode::~ParticleNode() { }

bool ParticleNode::init() {
	if (!Node::init()) return false;
	if (!_particleDef) {
		setAsManaged();
		return false;
	}
	_particles.reserve(_particleDef->maxParticles);
	_quads.reserve(_particleDef->maxParticles);
	Rect textureRect = _particleDef->textureRect;
	if (!_particleDef->textureName.empty()) {
		if (SharedClipCache.isClip(_particleDef->textureName) && SharedClipCache.isFileExist(_particleDef->textureName)) {
			Texture2D* tex = nullptr;
			Rect rect;
			std::tie(tex, rect) = SharedClipCache.loadTexture(_particleDef->textureName);
			if (tex) {
				_texture = tex;
				textureRect = rect;
			}
		} else if (SharedContent.exist(_particleDef->textureName) && !SharedContent.isFolder(_particleDef->textureName)) {
			_texture = SharedTextureCache.load(_particleDef->textureName);
		}
	}
	if (!_texture) {
		textureRect = Rect::zero;
		_texture = SharedTextureCache.get("__defaultParticleTexture.png");
		if (!_texture) {
			_texture = SharedTextureCache.update(
				"__defaultParticleTexture.png",
				__defaultParticleTexturePng,
				sizeof(__defaultParticleTexturePng));
		}
	}
	if (textureRect != Rect::zero) {
		const bgfx::TextureInfo& info = _texture->getInfo();
		_texLeft = textureRect.getX() / info.width;
		_texTop = textureRect.getY() / info.height;
		_texRight = (textureRect.getX() + textureRect.getWidth()) / info.width;
		_texBottom = (textureRect.getY() + textureRect.getHeight()) / info.height;
	} else {
		_texRight = 1.0f;
		_texBottom = 1.0f;
	}
	return true;
}

bool ParticleNode::isActive() const noexcept {
	return _flags.isOn(ParticleNode::Active);