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use crate::matrix::Matrix;
use crate::vector::Vec3;
#[derive(Debug)]
pub struct Camera
{
position: Vec3<f32>,
target: Vec3<f32>,
}
impl Camera
{
pub fn set_position(&mut self, position: Vec3<f32>)
{
self.position = position;
}
#[must_use]
pub fn position(&self) -> &Vec3<f32>
{
&self.position
}
pub fn set_target(&mut self, target: Vec3<f32>)
{
self.target = target;
}
#[must_use]
pub fn target(&self) -> &Vec3<f32>
{
&self.target
}
pub(crate) fn new() -> Self
{
let position = Vec3 {
x: 0.0,
y: 0.0,
z: 3.0,
};
Self {
position,
target: Vec3::default(),
}
}
pub(crate) fn as_matrix(&self) -> Matrix<f32, 4, 4>
{
let mut matrix = Matrix::new();
matrix.look_at(&self.position, &self.target, &Vec3::UP);
matrix
}
}
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