1// Package harmonica is a set of physics-based animation tools for 2D and 3D
 2// applications. There's a spring animation simulator for for smooth, realistic
 3// motion and a projectile simulator well suited for projectiles and particles.
 4//
 5// Example spring usage:
 6//
 7//     // Run once to initialize.
 8//     spring := NewSpring(FPS(60), 6.0, 0.2)
 9//
10//     // Update on every frame.
11//     pos := 0.0
12//     velocity := 0.0
13//     targetPos := 100.0
14//     someUpdateLoop(func() {
15//         pos, velocity = spring.Update(pos, velocity, targetPos)
16//     })
17//
18// Example projectile usage:
19//
20//    // Run once to initialize.
21//    projectile := NewProjectile(
22//        FPS(60),
23//        Point{6.0, 100.0, 0.0},
24//        Vector{2.0, 0.0, 0.0},
25//        Vector{2.0, -9.81, 0.0},
26//    )
27//
28//    // Update on every frame.
29//    someUpdateLoop(func() {
30//        pos := projectile.Update()
31//    })
32package harmonica