wasm-module: add get_speed

Cargo.lock

@@ -1700,6 +1700,7 @@ dependencies = [
 name = "strafesnet_roblox_bot_player_wasm_module"
 version = "0.1.0"
 dependencies = [
+ "glam",
  "strafesnet_common",
  "strafesnet_graphics",
  "strafesnet_roblox_bot_file",

lib/src/head.rs

@@ -131,6 +131,12 @@ impl PlaybackHead{
 
 		(p+CompleteBot::CAMERA_OFFSET,angles.yx())
 	}
+	pub fn get_velocity(&self,bot:&CompleteBot,time:SessionTime)->glam::Vec3{
+		let interp=self.interpolate_output(bot,time);
+		let v0=vector3_to_glam(&interp.event0.velocity);
+		let v1=vector3_to_glam(&interp.event1.velocity);
+		v0.lerp(v1,interp.t)
+	}
 }
 
 struct InterpolateOutput<'a>{

wasm-module/Cargo.toml

@@ -11,6 +11,7 @@ default = []
 webgl = ["wgpu/webgl"]
 
 [dependencies]
+glam.workspace = true
 strafesnet_roblox_bot_player = { version = "0.1.0", path = "../lib" }
 strafesnet_common.workspace = true
 strafesnet_graphics.workspace = true

wasm-module/src/lib.rs

@@ -171,4 +171,12 @@ impl PlaybackHead{
 	pub fn get_fov_slope_y(&self)->f64{
 		self.head.state().get_fov_y()
 	}
+	#[wasm_bindgen]
+	pub fn get_speed(&self,bot:&CompleteBot,time:f64)->f32{
+		let time=time::from_float(time).unwrap();
+		let velocity=self.head.get_velocity(&bot.bot,time);
+
+		use glam::Vec3Swizzles;
+		velocity.xz().length()
+	}
 }