1 files changed, 18 insertions, 0 deletions
diff --git a/src/gpu/camera_params.h b/src/gpu/camera_params.h
new file mode 100644
index 0000000..361f65f
--- /dev/null
+++ b/src/gpu/camera_params.h
@@ -0,0 +1,18 @@
+// This file is part of the 64k demo project.
+// It defines CameraParams for raymarching effects.
+
+#pragma once
+
+#include "util/mini_math.h"
+
+// Camera parameters for SDF raymarching effects
+// Binding convention: @group(0) @binding(3)
+struct CameraParams {
+  mat4 inv_view;      // Inverse view matrix (screen→world transform)
+  float fov;          // Vertical field of view in radians
+  float near_plane;   // Near clipping plane
+  float far_plane;    // Far clipping plane
+  float aspect_ratio; // Width/height ratio
+};
+static_assert(sizeof(CameraParams) == 80,
+              "CameraParams must be 80 bytes for WGSL alignment");