void RenderableParticleEffectEntityItem::updateQuads(RenderArgs* args, bool textured) {
float particleRadius = getParticleRadius();
glm::vec4 particleColor(toGlm(getXColor()), getLocalRenderAlpha());
glm::vec3 upOffset = args->_viewFrustum->getUp() * particleRadius;
glm::vec3 rightOffset = args->_viewFrustum->getRight() * particleRadius;
QVector<glm::vec3> vertices;
QVector<glm::vec3> positions;
QVector<glm::vec2> textureCoords;
vertices.reserve(getLivingParticleCount() * VERTS_PER_PARTICLE);
if (textured) {
textureCoords.reserve(getLivingParticleCount() * VERTS_PER_PARTICLE);
}
positions.reserve(getLivingParticleCount());
for (quint32 i = _particleHeadIndex; i != _particleTailIndex; i = (i + 1) % _maxParticles) {
positions.append(_particlePositions[i]);
if (textured) {
textureCoords.append(glm::vec2(0, 1));
textureCoords.append(glm::vec2(1, 1));
textureCoords.append(glm::vec2(1, 0));
textureCoords.append(glm::vec2(0, 0));
}
}
// sort particles back to front
::zSortAxis = args->_viewFrustum->getDirection();
qSort(positions.begin(), positions.end(), zSort);
for (int i = 0; i < positions.size(); i++) {
glm::vec3 pos = (textured) ? positions[i] : _particlePositions[i];
// generate corners of quad aligned to face the camera.
vertices.append(pos + rightOffset + upOffset);
vertices.append(pos - rightOffset + upOffset);
vertices.append(pos - rightOffset - upOffset);
vertices.append(pos + rightOffset - upOffset);
}
if (textured) {
DependencyManager::get<GeometryCache>()->updateVertices(_cacheID, vertices, textureCoords, particleColor);
} else {
DependencyManager::get<GeometryCache>()->updateVertices(_cacheID, vertices, particleColor);
}
}
void ParticleEffectEntityItem::appendSubclassData(OctreePacketData* packetData, EncodeBitstreamParams& params,
EntityTreeElementExtraEncodeData* entityTreeElementExtraEncodeData,
EntityPropertyFlags& requestedProperties,
EntityPropertyFlags& propertyFlags,
EntityPropertyFlags& propertiesDidntFit,
int& propertyCount,
OctreeElement::AppendState& appendState) const {
bool successPropertyFits = true;
APPEND_ENTITY_PROPERTY(PROP_COLOR, getColor());
APPEND_ENTITY_PROPERTY(PROP_EMITTING_PARTICLES, getIsEmitting());
APPEND_ENTITY_PROPERTY(PROP_SHAPE_TYPE, (uint32_t)getShapeType());
APPEND_ENTITY_PROPERTY(PROP_MAX_PARTICLES, getMaxParticles());
APPEND_ENTITY_PROPERTY(PROP_LIFESPAN, getLifespan());
APPEND_ENTITY_PROPERTY(PROP_EMIT_RATE, getEmitRate());
APPEND_ENTITY_PROPERTY(PROP_EMIT_ACCELERATION, getEmitAcceleration());
APPEND_ENTITY_PROPERTY(PROP_ACCELERATION_SPREAD, getAccelerationSpread());
APPEND_ENTITY_PROPERTY(PROP_PARTICLE_RADIUS, getParticleRadius());
APPEND_ENTITY_PROPERTY(PROP_TEXTURES, getTextures());
APPEND_ENTITY_PROPERTY(PROP_RADIUS_SPREAD, getRadiusSpread());
APPEND_ENTITY_PROPERTY(PROP_RADIUS_START, getRadiusStart());
APPEND_ENTITY_PROPERTY(PROP_RADIUS_FINISH, getRadiusFinish());
APPEND_ENTITY_PROPERTY(PROP_COLOR_SPREAD, getColorSpread());
APPEND_ENTITY_PROPERTY(PROP_COLOR_START, getColorStart());
APPEND_ENTITY_PROPERTY(PROP_COLOR_FINISH, getColorFinish());
APPEND_ENTITY_PROPERTY(PROP_ALPHA, getAlpha());
APPEND_ENTITY_PROPERTY(PROP_ALPHA_SPREAD, getAlphaSpread());
APPEND_ENTITY_PROPERTY(PROP_ALPHA_START, getAlphaStart());
APPEND_ENTITY_PROPERTY(PROP_ALPHA_FINISH, getAlphaFinish());
APPEND_ENTITY_PROPERTY(PROP_EMIT_SPEED, getEmitSpeed());
APPEND_ENTITY_PROPERTY(PROP_SPEED_SPREAD, getSpeedSpread());
APPEND_ENTITY_PROPERTY(PROP_EMIT_ORIENTATION, getEmitOrientation());
APPEND_ENTITY_PROPERTY(PROP_EMIT_DIMENSIONS, getEmitDimensions());
APPEND_ENTITY_PROPERTY(PROP_EMIT_RADIUS_START, getEmitRadiusStart());
APPEND_ENTITY_PROPERTY(PROP_POLAR_START, getPolarStart());
APPEND_ENTITY_PROPERTY(PROP_POLAR_FINISH, getPolarFinish());
APPEND_ENTITY_PROPERTY(PROP_AZIMUTH_START, getAzimuthStart());
APPEND_ENTITY_PROPERTY(PROP_AZIMUTH_FINISH, getAzimuthFinish());
APPEND_ENTITY_PROPERTY(PROP_EMITTER_SHOULD_TRAIL, getEmitterShouldTrail());
}
void ParticleEffectEntityItem::appendSubclassData(OctreePacketData* packetData, EncodeBitstreamParams& params,
EntityTreeElementExtraEncodeData* modelTreeElementExtraEncodeData,
EntityPropertyFlags& requestedProperties,
EntityPropertyFlags& propertyFlags,
EntityPropertyFlags& propertiesDidntFit,
int& propertyCount,
OctreeElement::AppendState& appendState) const {
bool successPropertyFits = true;
APPEND_ENTITY_PROPERTY(PROP_COLOR, getColor());
APPEND_ENTITY_PROPERTY(PROP_ANIMATION_FPS, getAnimationFPS());
APPEND_ENTITY_PROPERTY(PROP_ANIMATION_FRAME_INDEX, getAnimationFrameIndex());
APPEND_ENTITY_PROPERTY(PROP_ANIMATION_PLAYING, getAnimationIsPlaying());
APPEND_ENTITY_PROPERTY(PROP_ANIMATION_SETTINGS, getAnimationSettings());
APPEND_ENTITY_PROPERTY(PROP_SHAPE_TYPE, (uint32_t)getShapeType());
APPEND_ENTITY_PROPERTY(PROP_MAX_PARTICLES, getMaxParticles());
APPEND_ENTITY_PROPERTY(PROP_LIFESPAN, getLifespan());
APPEND_ENTITY_PROPERTY(PROP_EMIT_RATE, getEmitRate());
APPEND_ENTITY_PROPERTY(PROP_EMIT_DIRECTION, getEmitDirection());
APPEND_ENTITY_PROPERTY(PROP_EMIT_STRENGTH, getEmitStrength());
APPEND_ENTITY_PROPERTY(PROP_LOCAL_GRAVITY, getLocalGravity());
APPEND_ENTITY_PROPERTY(PROP_PARTICLE_RADIUS, getParticleRadius());
APPEND_ENTITY_PROPERTY(PROP_TEXTURES, getTextures());
}
