From 4e83bee60f7127379ede8030bb862e633b9d7397 Mon Sep 17 00:00:00 2001 From: Quaternions Date: Thu, 7 Sep 2023 18:33:37 -0700 Subject: [PATCH] label TIMESTAMP --- src/body.rs | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/src/body.rs b/src/body.rs index 100b46e..ff17114 100644 --- a/src/body.rs +++ b/src/body.rs @@ -1,7 +1,7 @@ pub struct Body { pub position: glam::Vec3,//I64 where 2^32 = 1 u 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 { @@ -14,9 +14,12 @@ pub struct PhysicsState { pub grounded: bool, pub walkspeed: f32, } + +pub type TIMESTAMP = i64; + const CONTROL_JUMP:u32 = 0b01000000;//temp 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 //the game code can run for 1 month before running out of ticks for tick in self.tick+1..=target_tick { @@ -49,10 +52,10 @@ impl PhysicsState { } 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; self.body.position+self.body.velocity*(dt as f32)+self.gravity*((0.5*dt*dt) as f32) }