From 31b2dfe31427ea2c99ea0a467f91719e4ceb5308 Mon Sep 17 00:00:00 2001
From: Quaternions <krakow20@gmail.com>
Date: Mon, 9 Oct 2023 18:29:25 -0700
Subject: [PATCH] calculators
---
src/settings.rs | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/src/settings.rs b/src/settings.rs
index ee5cfdc..c424191 100644
--- a/src/settings.rs
+++ b/src/settings.rs
@@ -16,6 +16,27 @@ impl Default for Fov{
}
}
+struct FovCalculator{
+ fov:Fov,
+ zoom:f64,
+ screen_size:glam::UVec2,
+}
+impl FovCalculator{
+ pub fn calculate(&self)->glam::DVec2{
+ self.zoom*match self.fov{
+ Fov::Exactly{x,y}=>glam::dvec2(x,y),
+ Fov::DeriveX{x,y}=>match x{
+ DerivedFov::FromScreenAspect=>glam::dvec2(y*(self.screen_size.x as f64/self.screen_size.y as f64),y),
+ DerivedFov::FromAspect(ratio)=>glam::dvec2(y*ratio.ratio,y),
+ },
+ Fov::DeriveY{x,y}=>match y{
+ DerivedFov::FromScreenAspect=>glam::dvec2(x,x*(self.screen_size.y as f64/self.screen_size.x as f64)),
+ DerivedFov::FromAspect(ratio)=>glam::dvec2(x,x*ratio.ratio),
+ },
+ }
+ }
+}
+
enum Sensitivity{
Exactly{x:f64,y:f64},
DeriveX{x:Ratio,y:f64},
@@ -27,6 +48,19 @@ impl Default for Sensitivity{
}
}
+struct SensitivityCalculator{
+ sensitivity:Sensitivity,
+}
+impl SensitivityCalculator{
+ pub fn calculate(&self)->glam::DVec2{
+ match self.sensitivity{
+ Sensitivity::Exactly{x,y}=>glam::dvec2(x,y),
+ Sensitivity::DeriveX{x,y}=>glam::dvec2(y*x.ratio,y),
+ Sensitivity::DeriveY{x,y}=>glam::dvec2(x,x*y.ratio),
+ }
+ }
+}
+
#[derive(Default)]
pub struct UserSettings{
fov:Fov,