Add more dY checks to allow greater 45 deg bouncing, simplify check for stopped gear in interests of perf.
--- a/hedgewars/GSHandlers.inc Fri Mar 26 00:49:02 2010 +0000
+++ b/hedgewars/GSHandlers.inc Fri Mar 26 00:53:31 2010 +0000
@@ -186,15 +186,21 @@
Gear^.dY:= - Gear^.dY * Gear^.Elasticity;
Gear^.State:= Gear^.State or gstCollision
end
- end else
- if TestCollisionYwithGear(Gear, 1) then
- begin
- collV:= 1;
- isFalling:= false;
- Gear^.dX:= Gear^.dX * Gear^.Friction;
- Gear^.dY:= - Gear^.dY * Gear^.Elasticity;
- Gear^.State:= Gear^.State or gstCollision
- end else isFalling:= true;
+ end
+else if TestCollisionYwithGear(Gear, 1) then
+ begin
+ collV:= 1;
+ isFalling:= false;
+ Gear^.dX:= Gear^.dX * Gear^.Friction;
+ Gear^.dY:= - Gear^.dY * Gear^.Elasticity;
+ Gear^.State:= Gear^.State or gstCollision
+ end
+else
+ begin
+ isFalling:= true;
+ if Gear^.AdvBounce and Gear^.dY.isNegative and TestCollisionYwithGear(Gear, 1) then collV:= 1
+ else if Gear^.AdvBounce and not Gear^.dY.isNegative and TestCollisionYwithGear(Gear, -1) then collV:= -1;
+ end;
if TestCollisionXwithGear(Gear, hwSign(Gear^.dX)) then
@@ -206,17 +212,14 @@
end
else if Gear^.AdvBounce and TestCollisionXwithGear(Gear, -hwSign(Gear^.dX)) then collH:= -hwSign(Gear^.dX);
-if (collV <>0) and (collH <> 0) and (hwSqr(tdX) + hwSqr(tdY) > _0_08) and Gear^.AdvBounce then
+//if Gear^.AdvBounce and (collV <>0) and (collH <> 0) and (hwSqr(tdX) + hwSqr(tdY) > _0_08) then
+if Gear^.AdvBounce and (collV <>0) and (collH <> 0) and ((tdX.QWordValue + tdY.QWordValue) > _0_2.QWordValue) then
begin
Gear^.dX:= tdY*Gear^.Elasticity*Gear^.Friction;
Gear^.dY:= tdX*Gear^.Elasticity;//*Gear^.Friction;
if ((collV > 0) and (collH > 0)) or ((collV < 0) and (collH < 0)) then Gear^.dX.isNegative:=not tdY.isNegative
else if (collV < 0) and (collH > 0) then Gear^.dY.isNegative:= not tdX.isNegative;
isFalling:= false;
-
- //tmp:= Gear^.dX.QWordValue;
- //Gear^.dX.QWordValue:= Gear^.dY.QWordValue;
- //Gear^.dY.QWordValue:= tmp;
end;
if isFalling then Gear^.dY:= Gear^.dY + cGravity;
@@ -224,7 +227,8 @@
Gear^.X:= Gear^.X + Gear^.dX;
Gear^.Y:= Gear^.Y + Gear^.dY;
CheckGearDrowning(Gear);
-if (hwSqr(Gear^.dX) + hwSqr(Gear^.dY) < _0_0002) and
+//if (hwSqr(Gear^.dX) + hwSqr(Gear^.dY) < _0_0002) and
+if ((Gear^.dX.QWordValue + Gear^.dY.QWordValue) < _0_02.QWordValue) and
(not isFalling) then
Gear^.State:= Gear^.State and not gstMoving
else