Merge pull request gameprogcpp#40 from chalonverse/master

chalonverse · web-flow · commit 013656a06705 · 2020-11-15T14:52:33.000-08:00
Fixed bug where SegmentCast did not update closestT
diff --git a/Chapter10/PhysWorld.cpp b/Chapter10/PhysWorld.cpp
@@ -33,6 +33,7 @@ bool PhysWorld::SegmentCast(const LineSegment& l, CollisionInfo& outColl)
 			// Is this closer than previous intersection?
 			if (t < closestT)
 			{
+				closestT = t;
 				outColl.mPoint = l.PointOnSegment(t);
 				outColl.mNormal = norm;
 				outColl.mBox = box;
diff --git a/Chapter11/PhysWorld.cpp b/Chapter11/PhysWorld.cpp
@@ -33,6 +33,7 @@ bool PhysWorld::SegmentCast(const LineSegment& l, CollisionInfo& outColl)
 			// Is this closer than previous intersection?
 			if (t < closestT)
 			{
+				closestT = t;
 				outColl.mPoint = l.PointOnSegment(t);
 				outColl.mNormal = norm;
 				outColl.mBox = box;
diff --git a/Chapter12/PhysWorld.cpp b/Chapter12/PhysWorld.cpp
@@ -33,6 +33,7 @@ bool PhysWorld::SegmentCast(const LineSegment& l, CollisionInfo& outColl)
 			// Is this closer than previous intersection?
 			if (t < closestT)
 			{
+				closestT = t;
 				outColl.mPoint = l.PointOnSegment(t);
 				outColl.mNormal = norm;
 				outColl.mBox = box;
diff --git a/Chapter13/PhysWorld.cpp b/Chapter13/PhysWorld.cpp
@@ -33,6 +33,7 @@ bool PhysWorld::SegmentCast(const LineSegment& l, CollisionInfo& outColl)
 			// Is this closer than previous intersection?
 			if (t < closestT)
 			{
+				closestT = t;
 				outColl.mPoint = l.PointOnSegment(t);
 				outColl.mNormal = norm;
 				outColl.mBox = box;
diff --git a/Chapter14/PhysWorld.cpp b/Chapter14/PhysWorld.cpp
@@ -33,6 +33,7 @@ bool PhysWorld::SegmentCast(const LineSegment& l, CollisionInfo& outColl)
 			// Is this closer than previous intersection?
 			if (t < closestT)
 			{
+				closestT = t;
 				outColl.mPoint = l.PointOnSegment(t);
 				outColl.mNormal = norm;
 				outColl.mBox = box;

Original file line number	Diff line number	Diff line change
`@@ -33,6 +33,7 @@ bool PhysWorld::SegmentCast(const LineSegment& l, CollisionInfo& outColl)`
`33`	`33`	`// Is this closer than previous intersection?`
`34`	`34`	`if (t < closestT)`
`35`	`35`	`{`
	`36`	`+ closestT = t;`
`36`	`37`	`outColl.mPoint = l.PointOnSegment(t);`
`37`	`38`	`outColl.mNormal = norm;`
`38`	`39`	`outColl.mBox = box;`