Merge pull request #31 from qcbf/patch-1

HughPH · web-flow · commit 8515a6e9ef40 · 2021-07-08T09:38:02.000+01:00
fix frcition invalid
diff --git a/src/box2dx/Box2D.NetStandard/Dynamics/Contacts/ContactSolver.cs b/src/box2dx/Box2D.NetStandard/Dynamics/Contacts/ContactSolver.cs
@@ -326,7 +326,7 @@ public void SolveVelocityConstraints()
 						// Solve normal constraints
 						if (c.PointCount == 1)
 						{
-							ContactConstraintPoint ccp = c.Points[0];
+							ref ContactConstraintPoint ccp = ref c.Points[0];
 
 							// Relative velocity at contact
 							Vec2 dv = vB + Vec2.Cross(wB, ccp.RB) - vA - Vec2.Cross(wA, ccp.RA);

Original file line number	Diff line number	Diff line change
`@@ -326,7 +326,7 @@ public void SolveVelocityConstraints()`
`326`	`326`	`// Solve normal constraints`
`327`	`327`	`if (c.PointCount == 1)`
`328`	`328`	`{`
`329`		`- ContactConstraintPoint ccp = c.Points[0];`
	`329`	`+ ref ContactConstraintPoint ccp = ref c.Points[0];`
`330`	`330`
`331`	`331`	`// Relative velocity at contact`
`332`	`332`	`Vec2 dv = vB + Vec2.Cross(wB, ccp.RB) - vA - Vec2.Cross(wA, ccp.RA);`