description: fix issues in collision detection
Index: amphetamine-0.8.10/src/Appl.cpp
===================================================================
--- amphetamine-0.8.10.orig/src/Appl.cpp	2006-05-15 19:16:56.000000000 +0200
+++ amphetamine-0.8.10/src/Appl.cpp	2006-05-15 19:17:02.000000000 +0200
@@ -183,7 +183,7 @@
 
 	firstPlayRound = 1;
 	command = kCmdNoCommand;
-	syncTime = gSystem->GetTicks();
+	syncTime = gSystem->GetTicks() - 20;
 	aveTime = 20;
 
 	while (command == kCmdNoCommand) {
@@ -256,7 +256,7 @@
 
 		if (gSystem->KeyPressed(kKeyEscape)) {
 			command = gGUI->RunUserInterface(kMainPage);
-			syncTime = gSystem->GetTicks();
+			syncTime = gSystem->GetTicks() - aveTime;
 		}
 		
 		if (command >= kSaveGameSlot0 && command <= kSaveGameSlot5) {
Index: amphetamine-0.8.10/src/Object.cpp
===================================================================
--- amphetamine-0.8.10.orig/src/Object.cpp	2006-05-15 19:18:21.000000000 +0200
+++ amphetamine-0.8.10/src/Object.cpp	2006-05-15 19:18:33.000000000 +0200
@@ -70,10 +70,13 @@
 {
 	if (ABS(forcex) > ABS(forcey)) {
 		sx += SIGN(forcex);
-		sy += forcey / ABS(forcex);
+		if (forcex != 0)
+			sy += forcey / ABS(forcex);
 	}else{
 		sy += SIGN(forcey);
-		sx += forcex / ABS(forcey);
+		/* Avoid SIGFE on alpha on divide by zero. -- JEH */
+		if (forcey != 0)
+			sx += forcex / ABS(forcey);
 	}
 }
 
Index: amphetamine-0.8.10/src/Pltform.cpp
===================================================================
--- amphetamine-0.8.10.orig/src/Pltform.cpp	2006-05-15 19:18:25.000000000 +0200
+++ amphetamine-0.8.10/src/Pltform.cpp	2006-05-15 19:18:33.000000000 +0200
@@ -136,7 +136,7 @@
 
 short	CPlatform::Forces()
 {
-	short	collisionObject, collisionCode;
+	short	collisionObject = 0, collisionCode;
 	CObject	*collObj;
 
 	CObject::Forces();