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-rw-r--r--game_server/src/maths.rs370
1 files changed, 0 insertions, 370 deletions
diff --git a/game_server/src/maths.rs b/game_server/src/maths.rs
deleted file mode 100644
index b9303af..0000000
--- a/game_server/src/maths.rs
+++ /dev/null
@@ -1,370 +0,0 @@
-#[derive(Clone, Copy, Debug)]
-pub struct Vec2 {
- pub x: f32,
- pub y: f32,
-}
-
-impl std::ops::Add for Vec2 {
- type Output = Self;
- fn add(self, other: Self) -> Self {
- Self {
- x: self.x + other.x,
- y: self.y + other.y
- }
- }
-}
-
-impl std::ops::AddAssign<Vec2> for Vec2 {
- fn add_assign(&mut self, other: Vec2) {
- self.x += other.x;
- self.y += other.y;
- }
-}
-
-impl std::ops::Sub for Vec2 {
- type Output = Self;
- fn sub(self, other: Self) -> Self {
- Self {
- x: self.x - other.x,
- y: self.y - other.y
- }
- }
-}
-
-impl std::ops::SubAssign<Vec2> for Vec2 {
- fn sub_assign(&mut self, other: Vec2) {
- self.x -= other.x;
- self.y -= other.y;
- }
-}
-
-impl std::ops::Neg for Vec2 {
- type Output = Self;
- fn neg(self) -> Self {
- Self {
- x: -self.x,
- y: -self.y
- }
- }
-}
-
-impl std::ops::Mul<f32> for Vec2 {
- type Output = Self;
- fn mul(self, scale: f32) -> Self {
- Self {
- x: self.x * scale,
- y: self.y * scale
- }
- }
-}
-
-impl std::ops::Div<f32> for Vec2 {
- type Output = Self;
- fn div(self, scale: f32) -> Self {
- Self {
- x: self.x / scale,
- y: self.y / scale
- }
- }
-}
-
-impl std::ops::Div<Vec2> for Vec2 {
- type Output = Self;
- fn div(self, scale: Vec2) -> Self {
- Self {
- x: self.x / scale.x,
- y: self.y / scale.y
- }
- }
-}
-
-
-impl std::cmp::PartialOrd for Vec2 {
- fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
- if self.x <= other.x && self.y <= other.y {
- Some(std::cmp::Ordering::Less)
- } else if self.x > other.x && self.y > other.y {
- Some(std::cmp::Ordering::Greater)
- } else {
- None
- }
- }
-}
-
-impl std::cmp::PartialEq for Vec2 {
- fn eq(&self, other: &Self) -> bool {
- f32::abs(self.x - other.x) < 1e-8
- && f32::abs(self.y - other.y) < 1e-8
- }
-}
-
-impl std::cmp::Eq for Vec2 {}
-
-impl Vec2 {
- pub fn distance(&self) -> f32 {
- f32::sqrt(self.distance2())
- }
-
- pub fn distance2(&self) -> f32 {
- self.scalar(self)
- }
-
- pub fn scalar(&self, other: &Vec2) -> f32 {
- self.x * other.x + self.y * other.y
- }
-
- pub fn norm(&self) -> Vec2 {
- let len = self.distance();
- Vec2 {
- x: self.x / len,
- y: self.y / len,
- }
- }
-}
-
-#[derive(Clone, Copy, Debug)]
-pub struct AABox {
- pub pos: Vec2,
- /// the size may not be smaller than zero
- pub size: Vec2,
-}
-
-impl std::ops::Add<Vec2> for AABox {
- type Output = Self;
- fn add(self, other: Vec2) -> Self {
- Self {
- pos: self.pos + other,
- size: self.size,
- }
- }
-}
-
-impl std::ops::AddAssign<Vec2> for AABox {
- fn add_assign(&mut self, other: Vec2) {
- self.pos += other
- }
-}
-
-impl std::ops::Sub<Vec2> for AABox {
- type Output = Self;
- fn sub(self, other: Vec2) -> Self {
- Self {
- pos: self.pos + other,
- size: self.size
- }
- }
-}
-
-impl std::ops::SubAssign<Vec2> for AABox {
- fn sub_assign(&mut self, other: Vec2) {
- self.pos -= other
- }
-}
-
-impl std::cmp::PartialEq for AABox {
- fn eq(&self, other: &Self) -> bool {
- self.pos == other.pos
- && self.size == other.size
- }
-}
-
-impl std::cmp::Eq for AABox {}
-
-#[derive(Clone, Copy, Debug)]
-pub struct RBox {
- /// origin
- pub pos: Vec2,
- /// Vwctor1
- pub v1: Vec2,
- /// Vector2
- pub v2: Vec2,
-}
-
-impl RBox {
- pub fn new(pos: Vec2, orientation: Vec2, width: f32) -> Self {
- let scale = width / orientation.distance();
- let orth = Vec2 {x: orientation.x / scale, y: -orientation.y / scale};
- Self {
- pos: pos,
- v1: orientation,
- v2: orth,
- }
- }
-}
-
-impl std::ops::Add<Vec2> for RBox {
- type Output = Self;
- fn add(self, other: Vec2) -> Self {
- Self {
- pos: self.pos + other,
- v1: self.v1,
- v2: self.v2,
- }
- }
-}
-
-impl std::ops::AddAssign<Vec2> for RBox {
- fn add_assign(&mut self, other: Vec2) {
- self.pos += other
- }
-}
-
-impl std::ops::Sub<Vec2> for RBox {
- type Output = Self;
- fn sub(self, other: Vec2) -> Self {
- Self {
- pos: self.pos + other,
- v1: self.v1 + other,
- v2: self.v2,
- }
- }
-}
-
-impl std::ops::SubAssign<Vec2> for RBox {
- fn sub_assign(&mut self, other: Vec2) {
- self.pos -= other
- }
-}
-
-impl std::cmp::PartialEq for RBox {
- fn eq(&self, other: &Self) -> bool {
- self.pos == other.pos
- && self.v1 == other.v1
- && self.v1 == self.v2
- }
-}
-
-impl std::cmp::Eq for RBox {}
-
-#[cfg(test)]
-mod tests {
- // Note this useful idiom: importing names from outer (for mod tests) scope.
- use super::*;
-
- #[test]
- fn test_less_vec2() {
- let a = Vec2{x: 1.0, y: 7.5};
- let b = Vec2{x: -3.0, y: 2.5};
-
- assert!(b < a);
- }
-
- #[test]
- fn test_less_vec2_fail() {
- let a = Vec2{x: 1.0, y: 7.5};
- let b = Vec2{x: 3.0, y: 2.5};
-
- assert!(!(a < b));
- }
-
- #[test]
- fn test_greater_vec2() {
- let a = Vec2{x: 1.0, y: 7.5};
- let b = Vec2{x: -3.0, y: 2.5};
-
- assert!(a > b);
- }
-
- #[test]
- fn test_greater_vec2_fail() {
- let a = Vec2{x: 1.0, y: 7.5};
- let b = Vec2{x: 3.0, y: 2.5};
-
- assert!(!(a > b));
- }
-
-
- #[test]
- fn test_add_vec2() {
- let a = Vec2{x: 1.0, y: 7.5};
- let b = Vec2{x: -3.0, y: 2.5};
- let c = Vec2{x: -2.0, y: 10.0};
-
- assert_eq!(a + b, c);
- }
-
- #[test]
- fn test_neg_vec2() {
- let a = Vec2{x: 1.0, y: 7.5};
- let b = Vec2{x: -1.0, y: -7.5};
-
- assert_eq!(-a, b);
- }
-
- #[test]
- fn test_sub_vec2() {
- let a = Vec2{x: 1.0, y: 7.5};
- let b = Vec2{x: -3.0, y: 2.5};
- let c = Vec2{x: 4.0, y: 5.0};
-
- assert_eq!(a - b, c);
- }
-
- #[test]
- fn test_distance_vec2() {
- let a = Vec2{x: 2.0, y: 2.0};
-
- assert!(f32::abs(a.distance() - 2.0) < 1e8);
- }
-
- #[test]
- fn test_distance2_vec2() {
- let a = Vec2{x: 1.0, y: 2.0};
-
- assert!(f32::abs(a.distance2() - 5.0) < 1e8);
- }
-
- #[test]
- fn test_norm_vec2() {
- let a = Vec2{x: 2.0, y: -2.0};
- let b = Vec2{x: std::f32::consts::FRAC_1_SQRT_2, y: -std::f32::consts::FRAC_1_SQRT_2};
-
- assert_eq!(a.norm(), b);
- }
-
- #[test]
- fn test_add_aabox_vec2() {
- let a = Vec2{x: 1.0, y: 7.5};
- let b = Vec2{x: -3.0, y: 2.5};
- let mut aa_box = AABox{pos: a, size: b};
- let bb_box = AABox{pos: a + b,size: b};
- aa_box += b;
-
- assert_eq!(aa_box, bb_box);
- }
-
- #[test]
- fn test_sub_aabox_vec2() {
- let a = Vec2{x: 1.0, y: 7.5};
- let b = Vec2{x: -3.0, y: 2.5};
- let mut aa_box = AABox{pos: a, size: b};
- let bb_box = AABox{pos: a - b,size: b};
- aa_box -= b;
-
- assert_eq!(aa_box, bb_box);
- }
-
- #[test]
- fn test_add_rbox_vec2() {
- let a = Vec2{x: 1.0, y: 7.5};
- let b = Vec2{x: -3.0, y: 2.5};
- let c = Vec2{x: -3.0, y: 2.5};
- let mut aa_box = RBox{pos: a, v1: b, v2: c};
- let bb_box = RBox{pos: a + b, v1: b, v2: c};
- aa_box += b;
-
- assert_eq!(aa_box, bb_box);
- }
-
- #[test]
- fn test_sub_rbox_vec2() {
- let a = Vec2{x: 1.0, y: 7.5};
- let b = Vec2{x: -3.0, y: 2.5};
- let c = Vec2{x: -3.0, y: 2.5};
- let mut aa_box = RBox{pos: a, v1: b, v2: c};
- let bb_box = RBox{pos: a - b, v1: b, v2: c};
- aa_box -= b;
-
- assert_eq!(aa_box, bb_box);
- }
-}
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