From 4f068467c4954fb79e6ce297ae1ac0fdd2bdf16a Mon Sep 17 00:00:00 2001
From: tcmal <me@aria.rip>
Date: Sun, 25 Aug 2024 17:44:24 +0100
Subject: WIP refactor(skeleton): type state for context

also some api improvements

closes #2
related: #7
---
 stockton-render/src/camera.rs | 62 -------------------------------------------
 1 file changed, 62 deletions(-)
 delete mode 100644 stockton-render/src/camera.rs

(limited to 'stockton-render/src/camera.rs')

diff --git a/stockton-render/src/camera.rs b/stockton-render/src/camera.rs
deleted file mode 100644
index 6abc183..0000000
--- a/stockton-render/src/camera.rs
+++ /dev/null
@@ -1,62 +0,0 @@
-//! Things related to converting 3D world space to 2D screen space
-
-use legion::maybe_changed;
-use na::{look_at_lh, perspective_lh_zo};
-use stockton_types::{
-    components::{CameraSettings, CameraVPMatrix, Transform},
-    Vector3,
-};
-
-use stockton_skeleton::{
-    draw_passes::{DrawPass, Singular},
-    Renderer,
-};
-
-fn euler_to_direction(euler: &Vector3) -> Vector3 {
-    let pitch = euler.x;
-    let yaw = euler.y;
-    let _roll = euler.z; // TODO: Support camera roll
-
-    Vector3::new(
-        yaw.sin() * pitch.cos(),
-        pitch.sin(),
-        yaw.cos() * pitch.cos(),
-    )
-}
-
-#[system(for_each)]
-#[filter(maybe_changed::<Transform>() | maybe_changed::<CameraSettings>())]
-pub fn calc_vp_matrix<DP: DrawPass<Singular> + 'static>(
-    transform: &Transform,
-    settings: &CameraSettings,
-    matrix: &mut CameraVPMatrix,
-    #[resource] renderer: &Renderer<DP>,
-) {
-    // Get look direction from euler angles
-    let direction = euler_to_direction(&transform.rotation);
-
-    // Converts world space to camera space
-    let view_matrix = look_at_lh(
-        &transform.position,
-        &(transform.position + direction),
-        &Vector3::new(0.0, 1.0, 0.0),
-    );
-
-    // Converts camera space to screen space
-    let projection_matrix = {
-        let mut temp = perspective_lh_zo(
-            renderer.get_aspect_ratio(),
-            settings.fov,
-            settings.near,
-            settings.far,
-        );
-
-        // Vulkan's co-ord system is different from OpenGLs
-        temp[(1, 1)] *= -1.0;
-
-        temp
-    };
-
-    // Chain them together into a single matrix
-    matrix.vp_matrix = projection_matrix * view_matrix;
-}
-- 
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