dvd-thing/crates/domain/src/value_objects.rs

#[derive(Debug, Clone, Copy, PartialEq, Default)]
pub struct Point2D {
    x: f32,
    y: f32,
}

impl Point2D {
    pub const fn new(x: f32, y: f32) -> Option<Self> {
        if x.is_finite() && y.is_finite() {
            Some(Self { x, y })
        } else {
            None
        }
    }

    pub const fn x(&self) -> f32 {
        self.x
    }

    pub const fn y(&self) -> f32 {
        self.y
    }

    pub(crate) fn translated(self, by: Vector2D) -> Option<Self> {
        Self::new(self.x + by.dx, self.y + by.dy)
    }
}

#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Vector2D {
    dx: f32,
    dy: f32,
}

impl Vector2D {
    pub const fn new(dx: f32, dy: f32) -> Option<Self> {
        if dx.is_finite() && dy.is_finite() {
            Some(Self { dx, dy })
        } else {
            None
        }
    }

    pub const fn dx(&self) -> f32 {
        self.dx
    }

    pub const fn dy(&self) -> f32 {
        self.dy
    }

    pub(crate) const fn reflected_x(self) -> Self {
        Self {
            dx: -self.dx,
            dy: self.dy,
        }
    }

    pub(crate) const fn reflected_y(self) -> Self {
        Self {
            dx: self.dx,
            dy: -self.dy,
        }
    }
}

#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Dimensions {
    width: u32,
    height: u32,
}

impl Dimensions {
    pub const fn new(width: u32, height: u32) -> Option<Self> {
        if width == 0 || height == 0 {
            None
        } else {
            Some(Self { width, height })
        }
    }

    pub const fn width(&self) -> u32 {
        self.width
    }

    pub const fn height(&self) -> u32 {
        self.height
    }
}

#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Color {
    pub r: u8,
    pub g: u8,
    pub b: u8,
    pub a: u8,
}