buttery-engine 0.1.0

A very simplistic game-engine written in rust. This is a learning project for me, so no promises on it's performance or stability.
Documentation 
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use cgmath::{InnerSpace, Matrix4, Point3, Rad, Vector3};

#[rustfmt::skip]
pub const OPENGL_TO_WGPU_MATRIX: cgmath::Matrix4<f32> = cgmath::Matrix4::from_cols(
    cgmath::Vector4::new(1.0, 0.0, 0.0, 0.0),
    cgmath::Vector4::new(0.0, 1.0, 0.0, 0.0),
    cgmath::Vector4::new(0.0, 0.0, 0.5, 0.0),
    cgmath::Vector4::new(0.0, 0.0, 0.5, 1.0),
);

#[derive(Debug, Clone, Copy)]
pub struct Camera {
    pub position: Point3<f32>,
    pub yaw: Rad<f32>,
    pub pitch: Rad<f32>,
}

impl Camera {
    pub fn new<V: Into<Point3<f32>>, Y: Into<Rad<f32>>, P: Into<Rad<f32>>>(
        position: V,
        yaw: Y,
        pitch: P,
    ) -> Self {
        Self {
            position: position.into(),
            yaw: yaw.into(),
            pitch: pitch.into(),
        }
    }

    pub fn calc_matrix(&self) -> Matrix4<f32> {
        Matrix4::look_to_rh(self.position, self.direction(), Vector3::unit_y())
    }

    pub fn direction(&self) -> Vector3<f32> {
        let (sin_pitch, cos_pitch) = self.pitch.0.sin_cos();
        let (sin_yaw, cos_yaw) = self.yaw.0.sin_cos();
        Vector3::new(cos_pitch * cos_yaw, sin_pitch, cos_pitch * sin_yaw).normalize()
    }
}