X-Git-Url: http://dolda2000.com/gitweb/?a=blobdiff_plain;f=src%2Fcommon.rs;h=01c0238ee278c39f0c44d0e80925579d279fd63d;hb=5d731022a8949b965bb0b2c13524ee7c5bfaf2e6;hp=2be427edb10a95ad4f063dbf52b475a1d96fa730;hpb=e58a1769e81c5fa8019a75f7292f534021e9565d;p=kaka%2Frust-sdl-test.git diff --git a/src/common.rs b/src/common.rs index 2be427e..01c0238 100644 --- a/src/common.rs +++ b/src/common.rs @@ -1,7 +1,5 @@ use std::ops::{Add, AddAssign, Sub, SubAssign, Mul, MulAssign, Div, DivAssign, Neg}; -pub type Nanoseconds = u64; - #[macro_export] macro_rules! point { ( $x:expr, $y:expr ) => { @@ -19,6 +17,13 @@ impl Point2D { pub fn length(self) -> f64 { ((self.x * self.x) + (self.y * self.y)).sqrt() } + + pub fn to_i32(self) -> Point2D { + Point2D { + x: self.x as i32, + y: self.y as i32, + } + } } macro_rules! point_op { @@ -116,6 +121,12 @@ impl From<(T, T)> for Point2D { } } +impl From> for (T, T) { + fn from(item: Point2D) -> Self { + (item.x, item.y) + } +} + impl From for Point2D { fn from(item: Degrees) -> Self { Point2D { @@ -134,18 +145,20 @@ impl From for Point2D { } } -#[derive(Debug, PartialEq, Clone, Copy)] -struct Degrees(f64); -#[derive(Debug, PartialEq, Clone, Copy)] -struct Radians(f64); +#[derive(Debug, Default, PartialEq, Clone, Copy)] +pub struct Degrees(pub f64); +#[derive(Debug, Default, PartialEq, Clone, Copy)] +pub struct Radians(pub f64); impl Degrees { + #[allow(dead_code)] fn to_radians(&self) -> Radians { Radians(self.0 * std::f64::consts::PI / 180.0) } } impl Radians { + #[allow(dead_code)] fn to_degrees(&self) -> Degrees { Degrees(self.0 * 180.0 * std::f64::consts::FRAC_1_PI) } @@ -180,6 +193,17 @@ impl From<(T, T)> for Rect { } } +#[macro_export] +macro_rules! hashmap { + ($($k:expr => $v:expr),*) => { + { + let mut map = std::collections::HashMap::new(); + $(map.insert($k, $v);)* + map + } + } +} + #[cfg(test)] mod tests { use super::*;