FT collision part3: cleanup.

SpaceCadetPinball/DebugOverlay.cpp

@@ -211,7 +211,10 @@ void DebugOverlay::DrawBallInfo()
 				SDL_SetRenderDrawColor(winmain::Renderer, 0, 0, 255, 255);
 
 				auto pt1 = proj::xform_to_2d(ballPosition);
-				SDL_RenderDrawCircle(winmain::Renderer, pt1.X, pt1.Y, 10);
+				vector2 radVec1 = { 0, ballPosition.Y }, radVec2 = { ball->Radius, ballPosition.Y };
+				auto radVec1I = proj::xform_to_2d(radVec1), radVec2I = proj::xform_to_2d(radVec2);
+				auto radI = std::sqrt(maths::magnitudeSq(vector2i{ radVec1I.X - radVec2I.X ,radVec1I.Y - radVec2I.Y }));
+				SDL_RenderDrawCircle(winmain::Renderer, pt1.X, pt1.Y, static_cast<int>(std::round(radI)));
 
 				auto nextPos = ballPosition;
 				maths::vector_add(nextPos, maths::vector_mul(ball->Direction, ball->Speed / 10.0f));

SpaceCadetPinball/TBall.cpp

@@ -41,7 +41,7 @@ TBall::TBall(TPinballTable* table) : TPinballComponent(table, -1, false)
 		groupIndex = loader::query_handle(ballGroupName);
 	}
 
-	Offset = *loader::query_float_attribute(groupIndex, 0, 500);
+	Radius = *loader::query_float_attribute(groupIndex, 0, 500);
 
 	auto visualCount = loader::query_visual_states(groupIndex);
 	for (auto index = 0; index < visualCount; ++index)
@@ -53,8 +53,8 @@ TBall::TBall(TPinballTable* table) : TPinballComponent(table, -1, false)
 		VisualZArray[index] = zDepth;
 	}
 	RenderSprite = new render_sprite(VisualTypes::Ball, nullptr, nullptr, 0, 0, nullptr);
-	PinballTable->CollisionCompOffset = Offset;
+	PinballTable->CollisionCompOffset = Radius;
-	Position.Z = Offset;
+	Position.Z = Radius;
 	GroupIndex = groupIndex;
 }
 
@@ -65,7 +65,7 @@ void TBall::Repaint()
 		Position.Z =
 			CollisionOffset.X * Position.X +
 			CollisionOffset.Y * Position.Y +
-			Offset + CollisionOffset.Z;
+			Radius + CollisionOffset.Z;
 	}
 
 	auto pos2D = proj::xform_to_2d(Position);
@@ -120,7 +120,7 @@ int TBall::Message(MessageCode code, float value)
 		CollisionFlag = 0;
 		CollisionMask = 1;
 		Direction.Y = 0.0;
-		Position.Z = Offset;
+		Position.Z = Radius;
 		Direction.X = 0.0;
 		Speed = 0.0;
 		RayMaxDistance = 0.0;

SpaceCadetPinball/TBall.h

@@ -32,10 +32,10 @@ public :
 	bool EdgeCollisionResetFlag{};
 	vector3 CollisionOffset{};
 	int CollisionFlag;
-	float Offset;
+	float Radius;
 	bool HasGroupFlag;
-	int SomeCounter1 = 0;
+	int StuckCounter = 0;
-	int time_ticks1{}, time_ticks2{};
+	int LastActiveTime{};
 	float VisualZArray[50]{};
 	bool AsEdgeCollisionFlag{};
 };

SpaceCadetPinball/TFlipper.cpp

@@ -126,19 +126,19 @@ void TFlipper::UpdateSprite()
 	SpriteSet(BmpIndex);
 }
 
-int TFlipper::GetFlipperAngleDistance(float dt, float* dst) const
+int TFlipper::GetFlipperStepAngle(float dt, float* dst) const
 {
 	if (!MessageField)
 		return 0;
 
 	auto deltaAngle = FlipperEdge->flipper_angle_delta(dt);
-	auto distance = std::fabs(std::ceil(FlipperEdge->DistanceDiv * deltaAngle * FlipperEdge->InvT1Radius));
+	auto step = std::fabs(std::ceil(FlipperEdge->DistanceDiv * deltaAngle * FlipperEdge->InvT1Radius));
-	if (distance > 3.0f)
+	if (step > 3.0f)
-		distance = 3.0f;
+		step = 3.0f;
-	if (distance >= 2.0f)
+	if (step >= 2.0f)
 	{
-		*dst = deltaAngle / distance;
+		*dst = deltaAngle / step;
-		return static_cast<int>(distance);
+		return static_cast<int>(step);
 	}
 
 	*dst = deltaAngle;
@@ -152,7 +152,6 @@ void TFlipper::FlipperCollision(float deltaAngle)
 
 	ray_type ray{}, rayDst{};
 	ray.MinDistance = 0.002f;
-	auto deltaAngleNeg = -deltaAngle;
 	bool collisionFlag = false;
 	for (auto ball : pb::MainTable->BallList)
 	{
@@ -167,7 +166,7 @@ void TFlipper::FlipperCollision(float deltaAngle)
 
 			float sin, cos;
 			auto ballPosRot = ray.Origin;
-			maths::SinCos(deltaAngleNeg, sin, cos);
+			maths::SinCos(-deltaAngle, sin, cos);
 			maths::RotatePt(ballPosRot, sin, cos, FlipperEdge->RotOrigin);
 			ray.Direction.X = ballPosRot.X - ray.Origin.X;
 			ray.Direction.Y = ballPosRot.Y - ray.Origin.Y;
@@ -188,18 +187,13 @@ void TFlipper::FlipperCollision(float deltaAngle)
 		auto angleAdvance = deltaAngle / (std::fabs(FlipperEdge->MoveSpeed) * 5.0f);
 		FlipperEdge->CurrentAngle -= angleAdvance;
 		FlipperEdge->AngleRemainder += std::fabs(angleAdvance);
-		if (FlipperEdge->AngleRemainder <= 0.0001f)
-		{
-			FlipperEdge->CurrentAngle = FlipperEdge->AngleDst;
-			FlipperEdge->FlipperFlag = MessageCode::TFlipperNull;
-			MessageField = 0;
-		}
-		FlipperEdge->ControlPointDirtyFlag = true;
 	}
 	else
 	{
 		FlipperEdge->CurrentAngle += deltaAngle;
 		FlipperEdge->AngleRemainder -= std::fabs(deltaAngle);
+	}
+
 	if (FlipperEdge->AngleRemainder <= 0.0001f)
 	{
 		FlipperEdge->CurrentAngle = FlipperEdge->AngleDst;
@@ -207,5 +201,4 @@ void TFlipper::FlipperCollision(float deltaAngle)
 		MessageField = 0;
 	}
 	FlipperEdge->ControlPointDirtyFlag = true;
-	}
 }

SpaceCadetPinball/TFlipper.h

@@ -14,7 +14,7 @@ public:
 	void Collision(TBall* ball, vector2* nextPosition, vector2* direction, float distance,
 		TEdgeSegment* edge) override;
 	void UpdateSprite();
-	int GetFlipperAngleDistance(float dt, float* dst) const;
+	int GetFlipperStepAngle(float dt, float* dst) const;
 	void FlipperCollision(float deltaAngle);
 	
 	int BmpIndex;

SpaceCadetPinball/TFlipperEdge.cpp

@@ -133,23 +133,24 @@ void TFlipperEdge::EdgeCollision(TBall* ball, float distance)
 		return;
 	}
 
-	auto someProduct = (NextBallPosition.Y - T1.Y) * (RotOrigin.X - T1.X) -
+	vector2 t1NextPos{NextBallPosition.X - T1.X, NextBallPosition.Y - T1.Y},
-		(NextBallPosition.X - T1.X) * (RotOrigin.Y - T1.Y);
+	        t1RotOrigin{RotOrigin.X - T1.X, RotOrigin.Y - T1.Y};
+	auto crossProduct = maths::cross(t1RotOrigin, t1NextPos);
 
-	bool someFlag = false;
+	bool frontCollision = false;
-	if (someProduct <= 0)
+	if (crossProduct <= 0)
 	{
 		if (AngleMax > 0)
-			someFlag = true;
+			frontCollision = true;
 	}
 	else if (AngleMax <= 0)
 	{
-		someFlag = true;
+		frontCollision = true;
 	}
 
 	if (FlipperFlag == MessageCode::TFlipperRetract)
 	{
-		someFlag ^= true;
+		frontCollision ^= true;
 		CollisionLinePerp = LineB.PerpendicularC;
 	}
 	else
@@ -160,7 +161,7 @@ void TFlipperEdge::EdgeCollision(TBall* ball, float distance)
 	auto dx = NextBallPosition.X - RotOrigin.X;
 	auto dy = NextBallPosition.Y - RotOrigin.Y;
 	auto distanceSq = dy * dy + dx * dx;
-	if (someFlag)
+	if (frontCollision)
 	{
 		float boost = 0;
 		if (circlebase.RadiusSq * 1.01f < distanceSq)
@@ -204,7 +205,7 @@ void TFlipperEdge::place_in_grid(RectF* aabb)
 
 	TTableLayer::edges_insert_square(yMin, xMin, yMax, xMax, this, nullptr);
 
-	auto offset = 1.0f / InvT1Radius + pb::ball_min_smth;
+	auto offset = 1.0f / InvT1Radius + pb::BallHalfRadius;
 	XMin = xMin - offset;
 	YMin = yMin - offset;
 	XMax = xMax + offset;

SpaceCadetPinball/TPinballTable.cpp

@@ -611,7 +611,7 @@ TBall* TPinballTable::AddBall(float x, float y)
 	if (ball != nullptr)
 	{
 		ball->ActiveFlag = 1;
-		ball->Position.Z = ball->Offset;
+		ball->Position.Z = ball->Radius;
 		ball->Direction = {};
 		ball->Speed = 0;
 		ball->TimeDelta = 0;
@@ -632,8 +632,8 @@ TBall* TPinballTable::AddBall(float x, float y)
 	ball->Position.X = x;
 	ball->Position.Y = y;
 	ball->PrevPosition = ball->Position;
-	ball->SomeCounter1 = 0;
+	ball->StuckCounter = 0;
-	ball->time_ticks1 = ball->time_ticks2 = pb::time_ticks;
+	ball->LastActiveTime = pb::time_ticks;
 
 	return ball;
 }

SpaceCadetPinball/TRamp.cpp

@@ -144,7 +144,7 @@ void TRamp::Collision(TBall* ball, vector2* nextPosition, vector2* direction, fl
 		ball->RampFieldForce.X = plane->FieldForce.X;
 		ball->RampFieldForce.Y = plane->FieldForce.Y;
 		ball->Position.Z = ball->Position.X * ball->CollisionOffset.X + ball->Position.Y * ball->CollisionOffset.Y +
-			ball->Offset + ball->CollisionOffset.Z;
+			ball->Radius + ball->CollisionOffset.Z;
 		ball->CollisionMask = CollisionGroup;
 		return;
 	}
@@ -164,13 +164,13 @@ void TRamp::Collision(TBall* ball, vector2* nextPosition, vector2* direction, fl
 		{
 			ball->CollisionMask = Wall1CollisionGroup;
 			if (BallZOffsetFlag)
-				ball->Position.Z = ball->Offset + Wall1BallOffset;
+				ball->Position.Z = ball->Radius + Wall1BallOffset;
 		}
 		else
 		{
 			ball->CollisionMask = Wall2CollisionGroup;
 			if (BallZOffsetFlag)
-				ball->Position.Z = ball->Offset + Wall2BallOffset;
+				ball->Position.Z = ball->Radius + Wall2BallOffset;
 		}
 	}
 }

SpaceCadetPinball/TSink.cpp

@@ -7,6 +7,7 @@
 #include "render.h"
 #include "TPinballTable.h"
 #include "TBall.h"
+#include "TDrain.h"
 #include "timer.h"
 
 TSink::TSink(TPinballTable* table, int groupIndex) : TCollisionComponent(table, groupIndex, true)
@@ -59,7 +60,7 @@ void TSink::Collision(TBall* ball, vector2* nextPosition, vector2* direction, fl
 {
 	if (PinballTable->TiltLockFlag)
 	{
-		maths::basic_collision(ball, nextPosition, direction, Elasticity, Smoothness, 1000000000.0, 0.0);
+		PinballTable->Drain->Collision(ball, nextPosition, direction, distance, edge);
 	}
 	else
 	{

SpaceCadetPinball/control.cpp

@@ -1063,13 +1063,13 @@ void control::cheat_bump_rank()
 	}
 }
 
-void control::BallThrowOrDisable(TBall& ball, int dt)
+void control::UnstuckBall(TBall& ball, int dt)
 {
 	if (!CheckBallInControlBounds(ball, *flip1) &&
 		!CheckBallInControlBounds(ball, *flip2) &&
 		!CheckBallInControlBounds(ball, *plunger))
 	{
-		if (ball.SomeCounter1 <= 20)
+		if (ball.StuckCounter <= 20)
 		{
 			vector3 throwDir{0.0f, -1.0f, 0.0f};
 			ball.throw_ball(&throwDir, 90.0f, 1.0f, 0.0f);

SpaceCadetPinball/control.h

@@ -89,7 +89,7 @@ public:
 	static void table_set_multiball(float time);
 	static void table_bump_ball_sink_lock();
 	static void table_set_replay(float value);
-	static void BallThrowOrDisable(TBall& ball, int dt);
+	static void UnstuckBall(TBall& ball, int dt);
 	static bool CheckBallInControlBounds(const TBall& ball, const TCollisionComponent& cmp);
 	static void cheat_bump_rank();
 	static int SpecialAddScore(int score);

SpaceCadetPinball/maths.cpp

@@ -222,6 +222,11 @@ float maths::magnitudeSq(const vector2& vec)
 	return vec.X * vec.X + vec.Y * vec.Y;
 }
 
+int maths::magnitudeSq(const vector2i& vec)
+{
+	return vec.X * vec.X + vec.Y * vec.Y;
+}
+
 void maths::vector_add(vector2& vec1Dst, const vector2& vec2)
 {
 	vec1Dst.X += vec2.X;

SpaceCadetPinball/maths.h

@@ -53,7 +53,6 @@ struct ray_type
 	float MaxDistance;
 	float MinDistance;
 	float TimeNow;
-	float TimeDelta;
 	int CollisionMask;
 };
 
@@ -115,6 +114,7 @@ public:
 	static float cross(const vector2& vec1, const vector2& vec2);
 	static float magnitude(const vector3& vec);
 	static float magnitudeSq(const vector2& vec);
+	static int magnitudeSq(const vector2i& vec);
 	static void vector_add(vector2& vec1Dst, const vector2& vec2);
 	static vector2 vector_sub(const vector2& vec1, const vector2& vec2);
 	static vector3 vector_sub(const vector3& vec1, const vector3& vec2);

SpaceCadetPinball/pb.cpp

@@ -33,7 +33,7 @@ DatFile* pb::record_table = nullptr;
 int pb::time_ticks = 0;
 GameModes pb::game_mode = GameModes::GameOver;
 float pb::time_now = 0, pb::time_next = 0, pb::time_ticks_remainder = 0;
-float pb::ball_speed_limit, pb::ball_min_smth, pb::ball_inv_smth, pb::ball_collision_dist;
+float pb::BallMaxSpeed, pb::BallHalfRadius, pb::ball_collision_dist;
 bool pb::FullTiltMode = false, pb::FullTiltDemoMode = false, pb::cheat_mode = false, pb::demo_mode = false;
 std::string pb::DatFileName, pb::BasePath;
 ImU32 pb::TextBoxColor;
@@ -104,10 +104,9 @@ int pb::init()
 
 	high_score::read();
 	auto ball = MainTable->BallList.at(0);
-	ball_speed_limit = ball->Offset * 200.0f;
+	BallMaxSpeed = ball->Radius * 200.0f;
-	ball_min_smth = ball->Offset * 0.5f;
+	BallHalfRadius = ball->Radius * 0.5f;
-	ball_inv_smth = 1.0f / ball_min_smth;
+	ball_collision_dist = (ball->Radius + BallHalfRadius) * 2.0f;
-	ball_collision_dist = (ball->Offset + ball_min_smth) * 2.0f;
 
 	int red = 255, green = 255, blue = 255;
 	auto fontColor = get_rc_string(Msg::TextBoxColor);
@@ -272,6 +271,7 @@ void pb::ballset(float dx, float dy)
 			ball->Direction.X = dx * sensitivity;
 			ball->Direction.Y = dy * sensitivity;
 			ball->Speed = maths::normalize_2d(ball->Direction);
+			ball->LastActiveTime = time_ticks;
 		}
 	}
 }
@@ -320,115 +320,103 @@ void pb::frame(float dtMilliSec)
 
 void pb::timed_frame(float timeNow, float timeDelta, bool drawBalls)
 {
-	vector2 vec1{}, vec2{};
-
 	for (auto ball : MainTable->BallList)
 	{
 		if (!ball->ActiveFlag || ball->HasGroupFlag || ball->CollisionComp || ball->Speed >= 0.8f)
 		{
-			if (ball->SomeCounter1 > 0)
+			if (ball->StuckCounter > 0)
 			{
-				vector2 dxy{ball->Position.X - ball->PrevPosition.X, ball->Position.Y - ball->PrevPosition.Y};
+				vector2 dist{ball->Position.X - ball->PrevPosition.X, ball->Position.Y - ball->PrevPosition.Y};
-				auto offsetX2 = ball->Offset * 2.0f;
+				auto radiusX2 = ball->Radius * 2.0f;
-				if (offsetX2 * offsetX2 < maths::magnitudeSq(dxy))
+				if (radiusX2 * radiusX2 < maths::magnitudeSq(dist))
-					ball->SomeCounter1 = 0;
+					ball->StuckCounter = 0;
 			}
-			ball->time_ticks1 = ball->time_ticks2 = time_ticks;
+			ball->LastActiveTime = time_ticks;
 		}
-		else if (time_ticks - ball->time_ticks2 > 500)
+		else if (time_ticks - ball->LastActiveTime > 500)
 		{
-			vector2 dxy{ball->Position.X - ball->PrevPosition.X, ball->Position.Y - ball->PrevPosition.Y};
+			vector2 dist{ball->Position.X - ball->PrevPosition.X, ball->Position.Y - ball->PrevPosition.Y};
-			auto offsetD2 = ball->Offset / 2.0f;
+			auto radiusD2 = ball->Radius / 2.0f;
 			ball->PrevPosition = ball->Position;
-			if (offsetD2 * offsetD2 < maths::magnitudeSq(dxy))
+			if (radiusD2 * radiusD2 < maths::magnitudeSq(dist))
-				ball->SomeCounter1 = 0;
+				ball->StuckCounter = 0;
 			else
-				ball->SomeCounter1++;
+				ball->StuckCounter++;
-			control::BallThrowOrDisable(*ball, time_ticks - ball->time_ticks1);
+			control::UnstuckBall(*ball, time_ticks - ball->LastActiveTime);
 		}
 	}
 
-	int distanceCoefArray[20]{-1};
+	int ballSteps[20]{-1};
-	float distanceArray[20]{}, distanceArrayX[20]{}, distanceArrayY[20]{};
+	float ballStepsDistance[20]{};
-	int minDistanceCoef = -1;
+	int maxStep = -1;
 	for (auto index = 0u; index < MainTable->BallList.size(); index++)
 	{
 		auto ball = MainTable->BallList[index];
 		if (ball->ActiveFlag != 0)
 		{
+			vector2 vecDst{};
 			ball->TimeDelta = timeDelta;
 			if (ball->TimeDelta > 0.01f && ball->Speed < 0.8f)
 				ball->TimeDelta = 0.01f;
 			ball->AsEdgeCollisionFlag = false;
 			if (ball->CollisionComp)
 			{
-				ball->CollisionComp->FieldEffect(ball, &vec1);
+				ball->CollisionComp->FieldEffect(ball, &vecDst);
 			}
 			else
 			{
-				if (MainTable->ActiveFlag)
+				TTableLayer::edge_manager->FieldEffects(ball, &vecDst);
-				{
+				vecDst.X *= timeDelta;
-					vec2.X = 0.0;
+				vecDst.Y *= timeDelta;
-					vec2.Y = 0.0;
+				ball->Direction.X *= ball->Speed;
-					TTableLayer::edge_manager->FieldEffects(ball, &vec2);
+				ball->Direction.Y *= ball->Speed;
-					vec2.X = vec2.X * timeDelta;
+				maths::vector_add(ball->Direction, vecDst);
-					vec2.Y = vec2.Y * timeDelta;
-					ball->Direction.X = ball->Speed * ball->Direction.X;
-					ball->Direction.Y = ball->Speed * ball->Direction.Y;
-					maths::vector_add(ball->Direction, vec2);
 				ball->Speed = maths::normalize_2d(ball->Direction);
-					if (ball->Speed > ball_speed_limit)
+				if (ball->Speed > BallMaxSpeed)
-						ball->Speed = ball_speed_limit;
+					ball->Speed = BallMaxSpeed;
 
-					distanceArray[index] = ball->Speed * ball->TimeDelta;
+				ballStepsDistance[index] = ball->Speed * ball->TimeDelta;
-					auto distanceCoef = static_cast<int>(std::ceil(distanceArray[index] * ball_inv_smth)) - 1;
+				auto ballStep = static_cast<int>(std::ceil(ballStepsDistance[index] / BallHalfRadius)) - 1;
-					distanceCoefArray[index] = distanceCoef;
+				ballSteps[index] = ballStep;
-					if (distanceCoef >= 0)
+				if (ballStep > maxStep)
-					{
+					maxStep = ballStep;
-						distanceArrayX[index] = ball->Direction.X * ball_min_smth;
-						distanceArrayY[index] = ball->Direction.Y * ball_min_smth;
-						if (distanceCoef > minDistanceCoef)
-							minDistanceCoef = distanceCoef;
-					}
-				}
 			}
 		}
 	}
 
 	float deltaAngle[4]{};
+	int flipperSteps[4]{};
 	for (auto index = 0u; index < MainTable->FlipperList.size(); index++)
 	{
-		auto distanceCoef = MainTable->FlipperList[index]->GetFlipperAngleDistance(timeDelta, &deltaAngle[index]) - 1;
+		auto flipStep = MainTable->FlipperList[index]->GetFlipperStepAngle(timeDelta, &deltaAngle[index]) - 1;
-		distanceArrayY[index] = static_cast<float>(distanceCoef);
+		flipperSteps[index] = flipStep;
-		if (distanceCoef > minDistanceCoef)
+		if (flipStep > maxStep)
-			minDistanceCoef = distanceCoef;
+			maxStep = flipStep;
 	}
 
 	ray_type ray{};
 	ray.MinDistance = 0.002f;
-	for (auto index4 = 0; index4 <= minDistanceCoef; index4++)
+	for (auto step = 0; step <= maxStep; step++)
 	{
-		for (auto index5 = 0u; index5 < MainTable->BallList.size(); index5++)
+		for (auto ballIndex = 0u; ballIndex < MainTable->BallList.size(); ballIndex++)
 		{
-			auto ball = MainTable->BallList[index5];
+			auto ball = MainTable->BallList[ballIndex];
-			if (!ball->AsEdgeCollisionFlag && index4 <= distanceCoefArray[index5])
+			if (!ball->AsEdgeCollisionFlag && step <= ballSteps[ballIndex])
 			{
-				float distanceSum = 0.0f;
 				ray.CollisionMask = ball->CollisionMask;
 				ball->TimeNow = timeNow;
-				if (ball_min_smth > 0.0f)
+
-				{
+				for (auto distanceSum = 0.0f; distanceSum < BallHalfRadius;)
-					while (true)
 				{
 					ray.Origin = ball->Position;
 					ray.Direction = ball->Direction;
-						if (index4 >= distanceCoefArray[index5])
+					if (step >= ballSteps[ballIndex])
 					{
-							ray.MaxDistance = distanceArray[index5] - distanceCoefArray[index5] * ball_min_smth;
+						ray.MaxDistance = ballStepsDistance[ballIndex] - ballSteps[ballIndex] * BallHalfRadius;
 					}
 					else
 					{
-							ray.MaxDistance = ball_min_smth;
+						ray.MaxDistance = BallHalfRadius;
 					}
 					ray.TimeNow = ball->TimeNow;
 
@@ -456,22 +444,17 @@ void pb::timed_frame(float timeNow, float timeDelta, bool drawBalls)
 					}
 
 					edge->EdgeCollision(ball, distance);
-						if (distance > 0.0f && !ball->AsEdgeCollisionFlag)
+					if (distance <= 0.0f || ball->AsEdgeCollisionFlag)
-						{
-							distanceSum += distance;
-							if (distanceSum < ball_min_smth)
-								continue;
-						}
 						break;
-					}
+					distanceSum += distance;
 				}
 			}
 		}
 
-		for (auto index = 0u; index < MainTable->FlipperList.size(); index++)
+		for (auto flipIndex = 0u; flipIndex < MainTable->FlipperList.size(); flipIndex++)
 		{
-			if (distanceArrayY[index] >= index4)
+			if (flipperSteps[flipIndex] >= step)
-				MainTable->FlipperList[index]->FlipperCollision(deltaAngle[index]);
+				MainTable->FlipperList[flipIndex]->FlipperCollision(deltaAngle[flipIndex]);
 		}
 	}
 
@@ -744,50 +727,6 @@ bool pb::chk_highscore()
 	return false;
 }
 
-float pb::collide(float timeNow, float timeDelta, TBall* ball)
-{
-	ray_type ray{};
-	vector2 positionMod{};
-
-	if (ball->ActiveFlag && !ball->CollisionComp)
-	{
-		if (ball_speed_limit < ball->Speed)
-			ball->Speed = ball_speed_limit;
-
-		auto maxDistance = timeDelta * ball->Speed;
-		ball->TimeDelta = timeDelta;
-		ball->RayMaxDistance = maxDistance;
-		ball->TimeNow = timeNow;
-
-		ray.Origin = ball->Position;
-		ray.Direction = ball->Direction;
-		ray.MaxDistance = maxDistance;
-		ray.CollisionMask = ball->CollisionMask;
-		ray.TimeNow = timeNow;
-		ray.TimeDelta = timeDelta;
-		ray.MinDistance = 0.0020000001f;
-
-		TEdgeSegment* edge = nullptr;
-		auto distance = TTableLayer::edge_manager->FindCollisionDistance(&ray, ball, &edge);
-		ball->EdgeCollisionCount = 0;
-		if (distance >= 1000000000.0f)
-		{
-			maxDistance = timeDelta * ball->Speed;
-			ball->RayMaxDistance = maxDistance;
-			positionMod.X = maxDistance * ball->Direction.X;
-			positionMod.Y = maxDistance * ball->Direction.Y;
-			maths::vector_add(ball->Position, positionMod);
-		}
-		else
-		{
-			edge->EdgeCollision(ball, distance);
-			if (ball->Speed > 0.000000001f)
-				return fabs(distance / ball->Speed);
-		}
-	}
-	return timeDelta;
-}
-
 void pb::PushCheat(const std::string& cheat)
 {
 	for (auto ch : cheat)

SpaceCadetPinball/pb.h

@@ -43,7 +43,7 @@ class pb
 public:
 	static int time_ticks;
 	static float time_now, time_next, time_ticks_remainder;
-	static float ball_speed_limit, ball_min_smth, ball_inv_smth, ball_collision_dist;
+	static float BallMaxSpeed, BallHalfRadius, ball_collision_dist;
 	static GameModes game_mode;
 	static bool cheat_mode;
 	static DatFile* record_table;
@@ -74,7 +74,6 @@ public:
 	static void high_scores();
 	static void tilt_no_more();
 	static bool chk_highscore();
-	static float collide(float timeNow, float timeDelta, TBall* ball);
 	static void PushCheat(const std::string& cheat);
 	static LPCSTR get_rc_string(Msg uID);
 	static int get_rc_int(Msg uID, int* dst);

SpaceCadetPinball/winmain.cpp

@@ -786,6 +786,7 @@ void winmain::RenderUi()
 		ShowExitPopup = false;
 		pause(false);
 		ImGui::OpenPopup(exitText);
+		ImGui::SetNextWindowPos(ImGui::GetMainViewport()->GetCenter(), ImGuiCond_Always, ImVec2(0.5f, 0.5f));
 	}
 	if (ImGui::BeginPopupModal(exitText, nullptr, ImGuiWindowFlags_AlwaysAutoResize))
 	{