StrafesNET/strafe-client
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label TIMESTAMP

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Quaternions 2023-09-07 18:33:37 -07:00
parent 6262553c02
commit 4e83bee60f
1 changed files with 7 additions and 4 deletions
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11
src/body.rs
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@ -1,7 +1,7 @@
pub struct Body { pub struct Body {
pub position: glam::Vec3,//I64 where 2^32 = 1 u pub position: glam::Vec3,//I64 where 2^32 = 1 u
pub velocity: glam::Vec3,//I64 where 2^32 = 1 u/s pub velocity: glam::Vec3,//I64 where 2^32 = 1 u/s
pub time: i64,//nanoseconds x xxxxD! pub time: TIMESTAMP,//nanoseconds x xxxxD!
} }
pub struct PhysicsState { pub struct PhysicsState {
@ -14,9 +14,12 @@ pub struct PhysicsState {
pub grounded: bool, pub grounded: bool,
pub walkspeed: f32, pub walkspeed: f32,
} }
pub type TIMESTAMP = i64;
const CONTROL_JUMP:u32 = 0b01000000;//temp const CONTROL_JUMP:u32 = 0b01000000;//temp
impl PhysicsState { impl PhysicsState {
pub fn run(&mut self, time: i64, control_dir: glam::Vec3, controls: u32){ pub fn run(&mut self, time: TIMESTAMP, control_dir: glam::Vec3, controls: u32){
let target_tick = (time/10_000_000) as u32;//100t let target_tick = (time/10_000_000) as u32;//100t
//the game code can run for 1 month before running out of ticks //the game code can run for 1 month before running out of ticks
for tick in self.tick+1..=target_tick { for tick in self.tick+1..=target_tick {
@ -49,10 +52,10 @@ impl PhysicsState {
} }
self.tick=target_tick; self.tick=target_tick;
self.body.time=target_tick as i64*10_000_000; self.body.time=target_tick as TIMESTAMP*10_000_000;
} }
pub fn extrapolate_position(&self, time: i64) -> glam::Vec3 { pub fn extrapolate_position(&self, time: TIMESTAMP) -> glam::Vec3 {
let dt=(time-self.body.time) as f64/1_000_000_000f64; let dt=(time-self.body.time) as f64/1_000_000_000f64;
self.body.position+self.body.velocity*(dt as f32)+self.gravity*((0.5*dt*dt) as f32) self.body.position+self.body.velocity*(dt as f32)+self.gravity*((0.5*dt*dt) as f32)
} }