strafe-project/lib/common/src/mouse.rs

27 lines
548 B
Rust

use crate::integer::Time;
#[derive(Clone,Debug)]
pub struct MouseState{
pub pos:glam::IVec2,
pub time:Time,
}
impl Default for MouseState{
fn default()->Self{
Self{
time:Time::ZERO,
pos:glam::IVec2::ZERO,
}
}
}
impl MouseState{
pub fn lerp(&self,target:&MouseState,time:Time)->glam::IVec2{
let m0=self.pos.as_i64vec2();
let m1=target.pos.as_i64vec2();
//these are deltas
let t1t=(target.time-time).nanos();
let tt0=(time-self.time).nanos();
let dt=(target.time-self.time).nanos();
((m0*t1t+m1*tt0)/dt).as_ivec2()
}
}