Resolve quaternion fiasco

2026-01-05 23:59:43 +01:00
parent 00cfdcd77b
commit bc2131f1e4
2 changed files with 4 additions and 5 deletions
--- a/2
+++ b/2
--- a/src/Game.zig
+++ b/src/Game.zig
@@ -780,10 +780,9 @@ fn render(self: *Game) !void {
    const camera_yscale = 1.0 / @tan(0.5 * self.player.vertical_fov_deg * std.math.rad_per_deg);
    const camera_xscale = camera_yscale / camera_aspect_ratio;

-    const matrix_ws_to_vs = vm.Matrix4x4.mulMatrixAffine(
-        .initRotation(camera_rotation), // TODO This is wrong - it should be correct when inverted
-        .initTranslation(camera_position.negate()),
-    );
+    const matrix_ws_to_vs = vm.Matrix4x4
+        .initTranslationRotation(camera_position, camera_rotation)
+        .inverseOrthonormal();

    // zig fmt: off
    const matrix_vs_to_cs = vm.Matrix4x4.init(