refactor: use ref -> in

Author: ikpil

src/Box2D.NET.Samples/Samples/Collisions/Manifold.cs

@@ -346,7 +346,7 @@ public override void Step()
             B2Transform transform1 = new B2Transform(offset, b2Rot_identity);
             B2Transform transform2 = new B2Transform(b2Add(m_transform.p, offset), m_transform.q);
 
-            B2Manifold m = b2CollidePolygonAndCapsule(in box, transform1, capsule, transform2);
+            B2Manifold m = b2CollidePolygonAndCapsule(box, transform1, capsule, transform2);
 
             DrawSolidPolygon(m_draw, transform1, box.vertices.AsSpan(), box.count, box.radius, color1);
 
@@ -394,7 +394,7 @@ public override void Step()
             B2Transform transform1 = new B2Transform(offset, b2Rot_identity);
             B2Transform transform2 = new B2Transform(b2Add(m_transform.p, offset), m_transform.q);
 
-            B2Manifold m = b2CollidePolygons(in box1, transform1, in box, transform2);
+            B2Manifold m = b2CollidePolygons(box1, transform1, box, transform2);
 
             DrawSolidPolygon(m_draw, transform1, box1.vertices.AsSpan(), box1.count, box1.radius, color1);
             DrawSolidPolygon(m_draw, transform2, box.vertices.AsSpan(), box.count, box.radius, color2);
@@ -413,7 +413,7 @@ public override void Step()
             B2Transform transform2 = new B2Transform(b2Add(m_transform.p, offset), m_transform.q);
             // b2Transform transform2 = {b2Add({0.0f, -0.1f}, offset), {0.0f, 1.0f}};
 
-            B2Manifold m = b2CollidePolygons(in box1, transform1, in box, transform2);
+            B2Manifold m = b2CollidePolygons(box1, transform1, box, transform2);
 
             DrawSolidPolygon(m_draw, transform1, box1.vertices.AsSpan(), box1.count, box1.radius, color1);
             DrawSolidPolygon(m_draw, transform2, box.vertices.AsSpan(), box.count, box.radius, color2);
@@ -433,7 +433,7 @@ public override void Step()
             B2Transform transform2 = new B2Transform(b2Add(m_transform.p, offset), m_transform.q);
             // b2Transform transform2 = {b2Add({0.0f, -0.1f}, offset), {0.0f, 1.0f}};
 
-            B2Manifold m = b2CollidePolygons(in box, transform1, in rox, transform2);
+            B2Manifold m = b2CollidePolygons(box, transform1, rox, transform2);
 
             DrawSolidPolygon(m_draw, transform1, box.vertices.AsSpan(), box.count, box.radius, color1);
             DrawSolidPolygon(m_draw, transform2, rox.vertices.AsSpan(), rox.count, rox.radius, color2);
@@ -473,7 +473,7 @@ public override void Step()
             B2Transform transform2 = new B2Transform(b2Add(m_transform.p, offset), m_transform.q);
             // b2Transform transform2 = {b2Add({-1.44583416f, 0.397352695f}, offset), m_transform.q};
 
-            B2Manifold m = b2CollideSegmentAndPolygon(segment, transform1, in rox, transform2);
+            B2Manifold m = b2CollideSegmentAndPolygon(segment, transform1, rox, transform2);
 
             B2Vec2 p1 = b2TransformPoint(transform1, segment.point1);
             B2Vec2 p2 = b2TransformPoint(transform1, segment.point2);
@@ -494,7 +494,7 @@ public override void Step()
             B2Transform transform2 = new B2Transform(b2Add(m_transform.p, offset), m_transform.q);
             // b2Transform transform2 = {b2Add({0.0f, -0.1f}, offset), {0.0f, 1.0f}};
 
-            B2Manifold m = b2CollidePolygons(in wox, transform1, in wox, transform2);
+            B2Manifold m = b2CollidePolygons(wox, transform1, wox, transform2);
 
             DrawSolidPolygon(m_draw, transform1, wox.vertices.AsSpan(), wox.count, wox.radius, color1);
             DrawSolidPolygon(m_draw, transform1, wox.vertices.AsSpan(), wox.count, 0.0f, color1);
@@ -521,7 +521,7 @@ public override void Step()
             B2Transform transform2 = new B2Transform(b2Add(m_transform.p, offset), m_transform.q);
             // b2Transform transform2 = {b2Add({0.0f, -0.1f}, offset), {0.0f, 1.0f}};
 
-            B2Manifold m = b2CollidePolygons(in w1, transform1, in w2, transform2);
+            B2Manifold m = b2CollidePolygons(w1, transform1, w2, transform2);
 
             DrawSolidPolygon(m_draw, transform1, w1.vertices.AsSpan(), w1.count, w1.radius, color1);
             DrawSolidPolygon(m_draw, transform1, w1.vertices.AsSpan(), w1.count, 0.0f, color1);
@@ -546,7 +546,7 @@ public override void Step()
             B2Transform transform2 = new B2Transform(b2Add(m_transform.p, offset), m_transform.q);
             // b2Transform transform2 = {b2Add({0.0f, -0.1f}, offset), {0.0f, 1.0f}};
 
-            B2Manifold m = b2CollidePolygons(in box, transform1, in tri, transform2);
+            B2Manifold m = b2CollidePolygons(box, transform1, tri, transform2);
 
             DrawSolidPolygon(m_draw, transform1, box.vertices.AsSpan(), box.count, 0.0f, color1);
             DrawSolidPolygon(m_draw, transform2, tri.vertices.AsSpan(), tri.count, 0.0f, color2);
@@ -611,8 +611,8 @@ public override void Step()
             B2Transform transform1 = new B2Transform(offset, b2Rot_identity);
             B2Transform transform2 = new B2Transform(b2Add(m_transform.p, offset), m_transform.q);
 
-            B2Manifold m1 = b2CollideChainSegmentAndPolygon(segment1, transform1, in rox, transform2, ref m_smgroxCache1);
-            B2Manifold m2 = b2CollideChainSegmentAndPolygon(segment2, transform1, in rox, transform2, ref m_smgroxCache2);
+            B2Manifold m1 = b2CollideChainSegmentAndPolygon(segment1, transform1, rox, transform2, ref m_smgroxCache1);
+            B2Manifold m2 = b2CollideChainSegmentAndPolygon(segment2, transform1, rox, transform2, ref m_smgroxCache2);
 
             {
                 B2Vec2 g2 = b2TransformPoint(transform1, segment1.ghost2);

src/Box2D.NET.Samples/Samples/Collisions/SmoothManifold.cs

@@ -300,7 +300,7 @@ public override void Draw()
             {
                 ref readonly B2ChainSegment segment = ref m_segments[i];
                 B2SimplexCache cache = new B2SimplexCache();
-                B2Manifold m = b2CollideChainSegmentAndPolygon(segment, transform1, in rox, transform2, ref cache);
+                B2Manifold m = b2CollideChainSegmentAndPolygon(segment, transform1, rox, transform2, ref cache);
                 DrawManifold(m);
             }
         }

src/Box2D.NET/B2Manifolds.cs

@@ -540,7 +540,7 @@ public static B2Manifold b2CollideSegmentAndCapsule(in B2Segment segmentA, in B2
         public static B2Manifold b2CollidePolygonAndCapsule(in B2Polygon polygonA, in B2Transform xfA, in B2Capsule capsuleB, in B2Transform xfB)
         {
             B2Polygon polyB = b2MakeCapsule(capsuleB.center1, capsuleB.center2, capsuleB.radius);
-            return b2CollidePolygons(in polygonA, xfA, in polyB, xfB);
+            return b2CollidePolygons(polygonA, xfA, polyB, xfB);
         }
 
         // Polygon clipper used to compute contact points when there are potentially two contact points.
@@ -1091,7 +1091,7 @@ public static B2Manifold b2CollideSegmentAndCircle(in B2Segment segmentA, in B2T
         public static B2Manifold b2CollideSegmentAndPolygon(in B2Segment segmentA, in B2Transform xfA, in B2Polygon polygonB, in B2Transform xfB)
         {
             B2Polygon polygonA = b2MakeCapsule(segmentA.point1, segmentA.point2, 0.0f);
-            return b2CollidePolygons(in polygonA, xfA, polygonB, xfB);
+            return b2CollidePolygons(polygonA, xfA, polygonB, xfB);
         }
 
         /// Compute the contact manifold between a chain segment and a circle
@@ -1186,7 +1186,7 @@ public static B2Manifold b2CollideChainSegmentAndCircle(in B2ChainSegment segmen
         public static B2Manifold b2CollideChainSegmentAndCapsule(in B2ChainSegment segmentA, in B2Transform xfA, in B2Capsule capsuleB, in B2Transform xfB, ref B2SimplexCache cache)
         {
             B2Polygon polyB = b2MakeCapsule(capsuleB.center1, capsuleB.center2, capsuleB.radius);
-            return b2CollideChainSegmentAndPolygon(segmentA, xfA, in polyB, xfB, ref cache);
+            return b2CollideChainSegmentAndPolygon(segmentA, xfA, polyB, xfB, ref cache);
         }
 
         internal static B2Manifold b2ClipSegments(B2Vec2 a1, B2Vec2 a2, B2Vec2 b1, B2Vec2 b2, B2Vec2 normal, float ra, float rb, ushort id1, ushort id2)