From 101b455e51f9b702da5517cabe2c3b1086fcb2e7 Mon Sep 17 00:00:00 2001 From: HampusM Date: Sun, 14 Apr 2024 12:34:52 +0200 Subject: feat(engine): use ECS architecture --- engine/src/camera.rs | 62 +++++++++++++++------------------------------------- 1 file changed, 18 insertions(+), 44 deletions(-) (limited to 'engine/src/camera.rs') diff --git a/engine/src/camera.rs b/engine/src/camera.rs index 362e0d6..5347e83 100644 --- a/engine/src/camera.rs +++ b/engine/src/camera.rs @@ -1,51 +1,25 @@ +use ecs::Component; + use crate::vector::Vec3; -pub trait Camera +#[derive(Debug, Component)] +pub struct Camera { - /// Returns the camera position. - fn position(&self) -> Vec3; - - /// Returns the position of the camera target. - fn target(&self) -> Vec3; - - /// Returns the direction the camera is looking. - fn direction(&self) -> Vec3 - { - self.target() - self.position() - } - - /// Returns the right direction relative from where the camera is looking. - fn right(&self) -> Vec3 - { - self.direction().cross(&self.global_up()).normalize() - } - - /// Returns the left direction relative from where the camera is looking. - fn left(&self) -> Vec3 - { - -self.right() - } - - /// Returns the upwards direction relative from where the camera is looking. - fn up(&self) -> Vec3 - { - let rev_direction = -self.direction(); - - rev_direction.cross(&self.right()) - } - - /// Returns the downwards direction relative from where the camera is looking. - fn down(&self) -> Vec3 - { - -self.up() - } + pub position: Vec3, + pub target: Vec3, + pub global_up: Vec3, + pub current: bool, +} - /// Returns the global direction upwards. - /// - /// The default implementation which returns [`Vec3::UP`] should be fine in most - /// cases. - fn global_up(&self) -> Vec3 +impl Default for Camera +{ + fn default() -> Self { - Vec3::UP + Self { + position: Vec3 { x: 0.0, y: 0.0, z: 3.0 }, + target: Vec3::default(), + global_up: Vec3::UP, + current: false, + } } } -- cgit v1.2.3-18-g5258