[common] remove unused vector_math.h fluff (#4333)

Signed-off-by: lizzie <lizzie@eden-emu.dev>

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

-------------------

We don't use half of this file for anything -- it's dead code
also the NEON intrinsic replacements suck -- we are not beating GLM (plus we use registers for decomposition instead of using vec regs like everyone else does, so the "optimizations" dont matter)

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4333
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Reviewed-by: Maufeat <sahyno1996@gmail.com>

1 files changed, 25 insertions, 17 deletions

diff --git a/src/yuzu/configuration/configure_input_player_widget.cpp b/src/yuzu/configuration/configure_input_player_widget.cpp
index a6be2a1dd4..faf4e021ec 100644
--- a/src/yuzu/configuration/configure_input_player_widget.cpp
+++ b/src/yuzu/configuration/configure_input_player_widget.cpp
@@ -2936,10 +2936,10 @@ void PlayerControlPreview::DrawArrow(QPainter& p, const QPointF center, const Di
 }
 
 // Draw motion functions
-void PlayerControlPreview::Draw3dCube(QPainter& p, QPointF center, const Common::Vec3f& euler,
+void PlayerControlPreview::Draw3dCube(QPainter& p, QPointF center, const Common::Vec<f32, 3>& euler,
                                       float size) {
-    std::array<Common::Vec3f, 8> cube{
-        Common::Vec3f{-0.7f, -1, -0.5f},
+    std::array<Common::Vec<f32, 3>, 8> cube{
+        Common::Vec<f32, 3>{-0.7f, -1, -0.5f},
         {-0.7f, 1, -0.5f},
         {0.7f, 1, -0.5f},
         {0.7f, -1, -0.5f},
@@ -2949,30 +2949,38 @@ void PlayerControlPreview::Draw3dCube(QPainter& p, QPointF center, const Common:
         {0.7f, -1, 0.5f},
     };
 
-    for (Common::Vec3f& point : cube) {
-        point.RotateFromOrigin(euler.x, euler.y, euler.z);
+    for (Common::Vec<f32, 3>& point : cube) {
+        float temp = point[1];
+        point[1] = std::cos(euler[0]) * point[1] - std::sin(euler[0]) * point[2];
+        point[2] = std::sin(euler[0]) * temp + std::cos(euler[0]) * point[2];
+        temp = point[0];
+        point[0] = std::cos(euler[1]) * point[0] + std::sin(euler[1]) * point[2];
+        point[2] = -std::sin(euler[1]) * temp + std::cos(euler[1]) * point[2];
+        temp = point[0];
+        point[0] = std::cos(euler[2]) * point[0] - std::sin(euler[2]) * point[1];
+        point[1] = std::sin(euler[2]) * temp + std::cos(euler[2]) * point[1];
         point *= size;
     }
 
     const std::array<QPointF, 4> front_face{
-        center + QPointF{cube[0].x, cube[0].y},
-        center + QPointF{cube[1].x, cube[1].y},
-        center + QPointF{cube[2].x, cube[2].y},
-        center + QPointF{cube[3].x, cube[3].y},
+        center + QPointF{cube[0][0], cube[0][1]},
+        center + QPointF{cube[1][0], cube[1][1]},
+        center + QPointF{cube[2][0], cube[2][1]},
+        center + QPointF{cube[3][0], cube[3][1]},
     };
     const std::array<QPointF, 4> back_face{
-        center + QPointF{cube[4].x, cube[4].y},
-        center + QPointF{cube[5].x, cube[5].y},
-        center + QPointF{cube[6].x, cube[6].y},
-        center + QPointF{cube[7].x, cube[7].y},
+        center + QPointF{cube[4][0], cube[4][1]},
+        center + QPointF{cube[5][0], cube[5][1]},
+        center + QPointF{cube[6][0], cube[6][1]},
+        center + QPointF{cube[7][0], cube[7][1]},
     };
 
     DrawPolygon(p, front_face);
     DrawPolygon(p, back_face);
-    p.drawLine(center + QPointF{cube[0].x, cube[0].y}, center + QPointF{cube[4].x, cube[4].y});
-    p.drawLine(center + QPointF{cube[1].x, cube[1].y}, center + QPointF{cube[5].x, cube[5].y});
-    p.drawLine(center + QPointF{cube[2].x, cube[2].y}, center + QPointF{cube[6].x, cube[6].y});
-    p.drawLine(center + QPointF{cube[3].x, cube[3].y}, center + QPointF{cube[7].x, cube[7].y});
+    p.drawLine(center + QPointF{cube[0][0], cube[0][1]}, center + QPointF{cube[4][0], cube[4][1]});
+    p.drawLine(center + QPointF{cube[1][0], cube[1][1]}, center + QPointF{cube[5][0], cube[5][1]});
+    p.drawLine(center + QPointF{cube[2][0], cube[2][1]}, center + QPointF{cube[6][0], cube[6][1]});
+    p.drawLine(center + QPointF{cube[3][0], cube[3][1]}, center + QPointF{cube[7][0], cube[7][1]});
 }
 
 template <size_t N>