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60 lines
2.4 KiB
Markdown
60 lines
2.4 KiB
Markdown
Nice! A clean little “types + constants” header. A few quick fixes and polish:
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## Issues / suggestions
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1. **Mat3X3 alias is wrong**
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* You wrote `using Mat3X3 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;`
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* That should be `Mat<3, 3, ...>`.
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2. **`constexpr` globals in a header → make them `inline constexpr`**
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* Since this is in a header included by multiple TUs, use `inline constexpr` to avoid ODR/link issues (C++17+).
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3. **Consider column-major vs row-major**
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* Most game/graphics stacks (GLSL/HLSL, many engines) lean column-major and column vectors. If the rest of your math lib or shaders assume column-major, align these typedefs now to avoid silent transposes later. If row-major is intentional, all good—just be consistent.
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4. **Naming consistency**
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* If you prefer `k_` prefix, keep it; otherwise consider `kAbsUp`/`ABS_UP` to match your codebase’s conventions.
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5. **`Mat1X3` as a “row vector”**
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* If you actually use it as a 3-component vector, consider just `Vector3<float>` (clearer) and reserve `Mat1X3` for real row-vector math.
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---
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## Tidied version
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```cpp
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// Created by Vlad on 10/21/2025.
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#pragma once
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#include "omath/linear_algebra/mat.hpp"
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#include "omath/linear_algebra/vector3.hpp"
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#include <omath/trigonometry/angle.hpp>
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#include <omath/trigonometry/view_angles.hpp>
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namespace omath::frostbite_engine
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{
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// Inline to avoid ODR across translation units
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inline constexpr Vector3<float> k_abs_up = {0.0f, 1.0f, 0.0f};
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inline constexpr Vector3<float> k_abs_right = {1.0f, 0.0f, 0.0f};
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inline constexpr Vector3<float> k_abs_forward = {0.0f, 0.0f, 1.0f};
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// NOTE: verify row/column major matches the rest of your engine
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using Mat4X4 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;
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using Mat3X3 = Mat<3, 3, float, MatStoreType::ROW_MAJOR>;
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using Mat1X3 = Mat<1, 3, float, MatStoreType::ROW_MAJOR>;
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using PitchAngle = Angle<float, -90.0f, 90.0f, AngleFlags::Clamped >;
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using YawAngle = Angle<float,-180.0f, 180.0f, AngleFlags::Normalized>;
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using RollAngle = Angle<float,-180.0f, 180.0f, AngleFlags::Normalized>;
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using ViewAngles = omath::ViewAngles<PitchAngle, YawAngle, RollAngle>;
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} // namespace omath::frostbite_engine
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```
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If you share how your matrices multiply vectors (row vs column) and your world handedness, I can double-check the axis constants and angle normalization to make sure yaw/pitch signs line up with your camera and `atan2` usage.
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