1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
use super::*;
/// Velocity component.
///
/// Use to move and rotate entities (without physics).
pub struct Velocity {
id: Entity,
}
impl std::fmt::Debug for Velocity {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("Velocity")
.field("entity", &self.id.name())
.field("velocity", &self.velocity().get())
.field("angular_velocity", &self.angular_velocity().get())
.finish()
}
}
impl Velocity {
impl_world_accessor!(
/// Returns a `ValueAccessor` for the world-space linear velocity of the entity.
///
/// Used to set/get/animate the velocity. This only works if physics has not been enabled
/// for the entity.
Velocity,
Velocity,
Vec3,
velocity,
ValueAccessorReadWriteAnimate
);
impl_world_accessor!(
/// Returns a `ValueAccessor` for the world-space angular velocity of the entity
///
/// This is an angular velocity as a pseudovector, with its magnitude measuring
/// the rate at which an object rotates or revolves (in radians per seconds), and
/// its direction pointing perpendicular to the instantaneous plane of rotation or
/// angular displacement.
///
/// Used to set/get/animate the velocity. This only works if physics has not been enabled
/// for the entity.
Velocity,
AngularVelocity,
Vec3,
angular_velocity,
ValueAccessorReadWriteAnimate
);
}
impl_world_component!(Velocity);