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calculators

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Quaternions 2023-10-09 18:29:25 -07:00
parent dd13a066d0
commit 3552491a9a
1 changed files with 22 additions and 0 deletions
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22
src/settings.rs
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@ -32,6 +32,28 @@ pub struct UserSettings{
fov:Fov,
sensitivity:Sensitivity,
}
impl UserSettings{
pub fn calculate_fov(&self,zoom:f64,screen_size:&glam::UVec2)->glam::DVec2{
zoom*match &self.fov{
&Fov::Exactly{x,y}=>glam::dvec2(x,y),
Fov::DeriveX{x,y}=>match x{
DerivedFov::FromScreenAspect=>glam::dvec2(y*(screen_size.x as f64/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*(screen_size.y as f64/screen_size.x as f64)),
DerivedFov::FromAspect(ratio)=>glam::dvec2(*x,x*ratio.ratio),
},
}
}
pub fn calculate_sensitivity(&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),
}
}
}
/*
//sensitivity is raw input dots (i.e. dpi = dots per inch) to radians conversion factor