veloren_voxygen_anim/fish_small/
swim.rs

1use super::{
2    super::{Animation, vek::*},
3    FishSmallSkeleton, SkeletonAttr,
4};
5use std::f32::consts::PI;
6
7pub struct SwimAnimation;
8
9type SwimAnimationDependency = (Vec3<f32>, Vec3<f32>, Vec3<f32>, f32, Vec3<f32>, f32);
10
11impl Animation for SwimAnimation {
12    type Dependency<'a> = SwimAnimationDependency;
13    type Skeleton = FishSmallSkeleton;
14
15    #[cfg(feature = "use-dyn-lib")]
16    const UPDATE_FN: &'static [u8] = b"fish_small_swim\0";
17
18    #[cfg_attr(feature = "be-dyn-lib", unsafe(export_name = "fish_small_swim"))]
19    fn update_skeleton_inner(
20        skeleton: &Self::Skeleton,
21        (velocity, orientation, last_ori, _global_time, avg_vel, acc_vel): Self::Dependency<'_>,
22        _anim_time: f32,
23        _rate: &mut f32,
24        s_a: &SkeletonAttr,
25    ) -> Self::Skeleton {
26        let mut next = (*skeleton).clone();
27
28        let fast = (acc_vel * s_a.tempo + PI).sin();
29
30        let ori: Vec2<f32> = Vec2::from(orientation);
31        let last_ori = Vec2::from(last_ori);
32        let tilt = if vek::Vec2::new(ori, last_ori)
33            .map(|o| o.magnitude_squared())
34            .map(|m| m > 0.001 && m.is_finite())
35            .reduce_and()
36            && ori.angle_between(last_ori).is_finite()
37        {
38            ori.angle_between(last_ori).min(0.8)
39                * last_ori.determine_side(Vec2::zero(), ori).signum()
40        } else {
41            0.0
42        } * 1.3;
43        let x_tilt = avg_vel.z.atan2(avg_vel.xy().magnitude());
44        let vel = (velocity.magnitude()).min(s_a.amplitude);
45        let slowvel = vel * 0.1;
46
47        next.chest.position = Vec3::new(0.0, s_a.chest.0, s_a.chest.1);
48        next.chest.orientation = Quaternion::rotation_x(velocity.z.abs() * -0.005 + x_tilt)
49            * Quaternion::rotation_z(fast * -0.1);
50
51        next.tail.position = Vec3::new(0.0, s_a.tail.0, s_a.tail.1);
52        next.tail.orientation = Quaternion::rotation_z(fast * -1.0 * slowvel + tilt * 2.0);
53
54        next.fin_l.position = Vec3::new(-s_a.fin.0, s_a.fin.1, s_a.fin.2);
55        next.fin_l.orientation = Quaternion::rotation_z(fast * 0.6 * slowvel - 0.3 + tilt * -0.5);
56
57        next.fin_r.position = Vec3::new(s_a.fin.0, s_a.fin.1, s_a.fin.2);
58        next.fin_r.orientation = Quaternion::rotation_z(fast * -0.6 * slowvel + 0.3 + tilt * -0.5);
59        next
60    }
61}
veloren_voxygen_anim/fish_small/swim.rs

veloren_voxygen_anim/fish_small/
swim.rs
