oml-game 0.40.2-alpha

Game foundation extracted from Fiiish-RS to remove boilerplate for future procjects.
Documentation 
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use crate::math::Vector3;

#[derive(Debug)]
pub struct Matrix33 {
	pub x: Vector3,
	pub y: Vector3,
	pub z: Vector3,
}

impl Matrix33 {
	pub fn identity() -> Self {
		Self {
			x: Vector3::new(1.0, 0.0, 0.0),
			y: Vector3::new(0.0, 1.0, 0.0),
			z: Vector3::new(0.0, 0.0, 1.0),
		}
	}

	pub fn z_rotation(a: f32) -> Self {
		let s = a.sin();
		let c = a.cos();
		Self {
			x: Vector3::new(c, -s, 0.0),
			y: Vector3::new(s, c, 0.0),
			z: Vector3::new(0.0, 0.0, 1.0),
		}
	}

	pub fn mul_vector3(&self, v: &Vector3) -> Vector3 {
		let x = v.x;
		let y = v.y;
		let z = v.z;

		Vector3::new(
			self.x.x * x + self.y.x * y + self.z.x * z,
			self.x.y * x + self.y.y * y + self.z.y * z,
			self.x.z * x + self.y.z * y + self.z.z * z,
		)
	}
}