Effects
LEGEND APPSPreview
Trajectory emitter
Repeat arbitrary content along native keyframe paths.
All effectsRecorded in Legend Slides for macOS (release build).
Requires a Legend Slides build with effect installation support. Installs the particles pack (1.0.3, 13 KB source) and its dependencies. macOS host capabilities: reanimated, webgpu. Installed decks work offline.
Use it in a deck
trajectory-emitter.mdx
---
title: Trajectory emitter
---
import { View, Text } from "react-native";
import { TrajectoryEmitter } from "slides:particles/TrajectoryEmitter";
export const paths = [0, 1, 2].map(index => [
{ time: 0, x: 180, y: 500, opacity: 0, scale: 0.6 },
{ time: 380, x: 460, y: 400 - index * 45, opacity: 1, scale: 1 },
{ time: 1050, x: 920, y: 220 + index * 70, opacity: 1, scale: 1 },
{ time: 1950, x: 1490, y: 150 + index * 95, opacity: 0, scale: 0.7 },
]);
# Trajectory emitter
<View style={{ width: 1696, height: 650 }}>
<Text style={{ color: "#e0f2fe", fontSize: 46, marginTop: 50, marginLeft: 80 }}>Events flow through the pipeline</Text>
<TrajectoryEmitter trajectories={paths} interval={650} style={{ position: "absolute", width: 190, height: 60 }} renderParticle={index => <View style={{ paddingHorizontal: 20, paddingVertical: 12, borderRadius: 16, backgroundColor: "#0e7490", borderColor: "#67e8f9", borderWidth: 2 }}><Text style={{ color: "white", fontSize: 30 }}>{["request", "parse", "render"][index % 3]}</Text></View>} />
</View>
Configure
- trajectories
- Supply ordered native keyframes.
- interval / start
- Set spacing and start delay.
- renderParticle
- Supply the emitted content.
Only imported effects enter the compiled deck. Installation and versioning →