//----------------------- Feng ------------------------------------------------
// 检测车辆是否碰到了障碍物
private bool CheckCollision(Hazard theHazard, int n)
{
// 分别计算并使用封闭（包裹）盒给障碍物和车
BoundingBox aHazardBox = new BoundingBox(new Vector3(theHazard.Position.X, theHazard.Position.Y, 0), new Vector3(theHazard.Position.X + (mHazard.Width * .4f), theHazard.Position.Y + ((mHazard.Height - 50) * .4f), 0));
BoundingBox aCarBox = new BoundingBox(new Vector3(mCarPosition.X, mCarPosition.Y, 0), new Vector3(mCarPosition.X + (mCar.Width * .2f), mCarPosition.Y + (mCar.Height * .2f), 0));
if (aHazardBox.Intersects(aCarBox) == true) // 碰上了吗?
{
int temp = 5;
if (mCartype == 2)
{
temp = 3;
}
else if (mCartype == 3)
{
temp = 4;
}
if (n == 1)
{//碰到障碍物
mCurrentState = State.Crash;
mCarsRemaining -= 1;
}
else
{//碰到医药包
mCarsRemaining += 1;
mCurrentState = State.AddLife;
}
if (mCarsRemaining <= 0)
{
mCurrentState = State.GameOver;
mExitCountDown = 10;
}
else if (mCarsRemaining > temp)
{
mCarsRemaining = temp;
}
return(true);
}
return(false);
}
//----------------------- Feng ------------------------------------------------
// 检测车辆是否碰到了障碍物
private bool CheckCollision(Hazard theHazard)
{
// 分别计算并使用封闭（包裹）盒给障碍物和车
BoundingBox aHazardBox = new BoundingBox(new Vector3(theHazard.Position.X, theHazard.Position.Y, 0), new Vector3(theHazard.Position.X + (mHazard.Width * .2f), theHazard.Position.Y + ((mHazard.Height - 50) * .2f), 0));
BoundingBox aCarBox = new BoundingBox(new Vector3(mCarPosition.X, mCarPosition.Y, 0), new Vector3(mCarPosition.X + (mCar.Width * .2f), mCarPosition.Y + (mCar.Height * .2f), 0));
if (aHazardBox.Intersects(aCarBox) == true) // 碰上了吗?
{
mCurrentState = State.Crash;
mCarsRemaining -= 1;
if (mCarsRemaining < 0)
{
mCurrentState = State.GameOver;
mExitCountDown = 10;
}
return(true);
}
return(false);
}
private void AddLifeBox()
{
int aRoadPosition = mRandom.Next(1, 100);
int aPosition = 110;
if ((aRoadPosition % 3) == 0)
{
aPosition = 275;
}
else if ((aRoadPosition % 5) == 0)
{
aPosition = 440;
}
else if ((aRoadPosition % 7) == 0)
{
aPosition = 590;
}
bool aAddNewLifeBox = true;
foreach (Hazard aLifeBox in mLifeBoxs)
{
if (aLifeBox.Visible == false)
{
aAddNewLifeBox = false;
aLifeBox.Visible = true;
aLifeBox.Position = new Vector2(aPosition, -mLifeBox.Height);
break;
}
}
if (aAddNewLifeBox == true)
{
//Add a hazard to the left side of the Road
Hazard aLifeBox = new Hazard();
aLifeBox.Position = new Vector2(aPosition, -mLifeBox.Height);
mLifeBoxs.Add(aLifeBox);
}
}
private void AddHazard2()
{
int aRoadPosition2 = mRandom.Next(1, 5);
int aPosition2 = 135;
if (aRoadPosition2 == 2)
{
aPosition2 = 440;
}
if (aRoadPosition2 == 3)
{
aPosition2 = 585;
}
if (aRoadPosition2 == 4)
{
aPosition2 = 275;
}
bool aAddNewHazard2 = true;
foreach (Hazard aHazard in mHazards2)
{
if (aHazard.Visible == false)
{
aAddNewHazard2 = false;
aHazard.Visible = true;
aHazard.Position = new Vector2(aPosition2, -mCar2.Height);
break;
}
}
if (aAddNewHazard2 == true)
{
//Add a hazard to the left side of the Road
Hazard aHazard = new Hazard();
aHazard.Position = new Vector2(aPosition2, -mCar2.Height);
mHazards2.Add(aHazard);
}
}
private void AddHazard()
{
int aRoadPosition = mRandom.Next(1, 100);
int aPosition = 110;
if ((aRoadPosition % 4) == 1)
{
aPosition = 275;
}
else if ((aRoadPosition % 4) == 2)
{
aPosition = 440;
}
else if ((aRoadPosition % 4) == 3)
{
aPosition = 590;
}
bool aAddNewHazard = true;
foreach (Hazard aHazard in mHazards)
{
if (aHazard.Visible == false)
{
aAddNewHazard = false;
aHazard.Visible = true;
aHazard.Position = new Vector2(aPosition, -mHazard.Height);
break;
}
}
if (aAddNewHazard == true)
{
//Add a hazard to the left side of the Road
Hazard aHazard = new Hazard();
aHazard.Position = new Vector2(aPosition, -mHazard.Height);
mHazards.Add(aHazard);
}
}
//----------------------- Tian ---------------------
private void MoveHazard(Hazard theHazard)
{
theHazard.Position.Y += mVelocityY;
if (theHazard.Position.Y > graphics.GraphicsDevice.Viewport.Height && theHazard.Visible == true)
{
theHazard.Visible = false;
mHazardsPassed += 1;
if (mHazardsPassed >= 100) // 如果通过100个障碍物，成功！
{
mCurrentState = State.Success;
mExitCountDown = 10;
}
mIncreaseVelocity -= 1;
if (mIncreaseVelocity < 0)
{
mIncreaseVelocity = 5;
mVelocityY += 1;
}
}
}
//----------------------- Tian ---------------------
private void MoveHazard(Hazard theHazard)
{
theHazard.Position.Y += mVelocityY;
if (theHazard.Position.Y > graphics.GraphicsDevice.Viewport.Height && theHazard.Visible == true)
{
theHazard.Visible = false;
mHazardsPassed += 1;
score += 5;
if (mHazardsPassed >= 200) // 如果超过200个障碍物，通关游戏
{
MediaPlayer.Pause();
cheer.Play();
mCurrentState = State.Success;
mExitCountDown = 10;
}
mIncreaseVelocity -= 1;
if (mIncreaseVelocity < 0)
{
mIncreaseVelocity = 5;
mVelocityY += 1;
}
}
}
//----------------------- Tian ---------------------
private void MoveHazard(Hazard theHazard)
{
int temp = 0;
if (mCartype == 1)
{
temp = 10;
}
else if (mCartype == 2)
{
temp = 0;
}
else if (mCartype == 3)
{
temp = 5;
}
theHazard.Position.Y += (mVelocityY + temp); //改变Hazard的Y坐标，让障碍移动；不同类型速度不一样
if (theHazard.Position.Y > graphics.GraphicsDevice.Viewport.Height && theHazard.Visible == true)
{ // 检测路障有没有移出游戏窗口
theHazard.Visible = false;
mHazardsPassed += 1;
if (mHazardsPassed >= 100) // 如果通过100个障碍物，成功！
{
mCurrentState = State.Success;
mExitCountDown = 10; //游戏结束倒计时
}
mIncreaseVelocity -= 1;
if (mIncreaseVelocity < 0)
{
mIncreaseVelocity = 5;
mVelocityY += 1;
}
}
}
//----------------------- Tian ---------------------
private void MoveHazard(Hazard theHazard)
{
theHazard.Position.Y += mVelocityY;
if (theHazard.Position.Y > graphics.GraphicsDevice.Viewport.Height && theHazard.Visible == true)
{
theHazard.Visible = false;
mHazardsPassed += 1;
if (mHazardsPassed >= 100) // 如果通过100个障碍物，成功！
{
mCurrentState = State.Success;
mExitCountDown = 10;
}
mIncreaseVelocity -= 1;
if (mIncreaseVelocity < 0)
{
mIncreaseVelocity = 5;
mVelocityY += 1;
}
}
}
//----------------------- Feng ------------------------------------------------
// 检测车辆是否碰到了障碍物
private bool CheckCollision(Hazard theHazard)
{
// 分别计算并使用封闭（包裹）盒给障碍物和车
BoundingBox aHazardBox = new BoundingBox(new Vector3(theHazard.Position.X, theHazard.Position.Y, 0), new Vector3(theHazard.Position.X + (mHazard.Width * .2f), theHazard.Position.Y + ((mHazard.Height - 50) * .2f), 0));
BoundingBox aCarBox = new BoundingBox(new Vector3(mCarPosition.X, mCarPosition.Y, 0), new Vector3(mCarPosition.X + (mCar.Width * .2f), mCarPosition.Y + (mCar.Height * .2f), 0));
if (aHazardBox.Intersects(aCarBox) == true) // 碰上了吗?
{
mCurrentState = State.Crash;
mCarsRemaining -= 1;
if (mCarsRemaining < 0)
{
mCurrentState = State.GameOver;
mExitCountDown = 10;
}
return true;
}
return false;
}
private void AddHazard()
{
int aRoadPosition = mRandom.Next(1, 5);
int aPosition = 275;
if (aRoadPosition == 2)
{
aPosition = 440;
}
else if (aRoadPosition == 3)
{
aPosition = 565;
}
else if (aRoadPosition == 4)
{
aPosition = 125;
}
bool aAddNewHazard = true;
foreach (Hazard aHazard in mHazards)
{
if (aHazard.Visible == false)
{
aAddNewHazard = false;
aHazard.Visible = true;
aHazard.Position = new Vector2(aPosition, -mHazard.Height);
break;
}
}
if (aAddNewHazard == true)
{
//Add a hazard to the left side of the Road
Hazard aHazard = new Hazard();
aHazard.Position = new Vector2(aPosition, -mHazard.Height);
mHazards.Add(aHazard);
}
}
private void AddHazard()
{
int aRoadPosition = mRandom.Next(1, 5);//哪条道出障碍
int aPosition = 10 + 140 * aRoadPosition;
bool aAddNewHazard = true;
foreach (Hazard aHazard in mHazards)
{
if (aHazard.Visible == false)
{
aAddNewHazard = false;
aHazard.Visible = true;
aHazard.Position = new Vector2(aPosition, -mHazard.Height);
break;
}
}
if (aAddNewHazard == true)
{
//Add a hazard to the left side of the Road
Hazard aHazard = new Hazard();
aHazard.Position = new Vector2(aPosition, -mHazard.Height);
mHazards.Add(aHazard);
}
}
//----------------------- Tian ---------------------
private void MoveHazard(Hazard theHazard)
{
theHazard.Position.Y += mVelocityY;
if (theHazard.Position.Y > graphics.GraphicsDevice.Viewport.Height && theHazard.Visible == true)
{
theHazard.Visible = false;
mHazardsPassed += 1;
score += 5;
if (mHazardsPassed >= 200) // 如果超过200个障碍物，通关游戏
{
MediaPlayer.Pause();
cheer.Play();
mCurrentState = State.Success;
mExitCountDown = 10;
}
mIncreaseVelocity -= 1;
if (mIncreaseVelocity < 0)
{
mIncreaseVelocity = 5;
mVelocityY += 1;
}
}
}
private void AddHazard()
{
int aRoadPosition = mRandom.Next(1, 8);
int aPosition = 90 + mRandom.Next(-40,40);
if (aRoadPosition == 2)
{
aPosition = 265 + mRandom.Next(-40, 40);
}
else if (aRoadPosition == 3 )
{
aPosition = 455 + mRandom.Next(-40, 40);
}
else if (aRoadPosition == 4)
{
aPosition = 610 + mRandom.Next(-40, 40);
}
else if (aRoadPosition == 5)
{
aPosition = 180 + mRandom.Next(-20, 20);
}
else if (aRoadPosition == 6 )
{
aPosition = 530 + mRandom.Next(-20, 20);
}
else if (aRoadPosition == 7)
{
aPosition = 360 + mRandom.Next(-20, 20);
}
bool aAddNewHazard = true;
foreach (Hazard aHazard in mHazards)
{
if (aHazard.Visible == false)
{
aAddNewHazard = false;
aHazard.Visible = true;
aHazard.Position = new Vector2(aPosition, -mHazard.Height);
break;
}
}
if (aAddNewHazard == true)
{
//Add a hazard to the left side of the Road
Hazard aHazard = new Hazard();
aHazard.Position = new Vector2(aPosition, -mHazard.Height);
mHazards.Add(aHazard);
}
}
private void AddHazard2()
{
int aRoadPosition2 = mRandom.Next(1, 5);
int aPosition2 = 135;
if (aRoadPosition2 == 2)
{
aPosition2 = 440;
}
if (aRoadPosition2 == 3)
{
aPosition2 = 585;
}
if (aRoadPosition2 == 4)
{
aPosition2 = 275;
}
bool aAddNewHazard2 = true;
foreach (Hazard aHazard in mHazards2)
{
if (aHazard.Visible == false)
{
aAddNewHazard2 = false;
aHazard.Visible = true;
aHazard.Position = new Vector2(aPosition2, -mCar2.Height);
break;
}
}
if (aAddNewHazard2 == true)
{
//Add a hazard to the left side of the Road
Hazard aHazard = new Hazard();
aHazard.Position = new Vector2(aPosition2, -mCar2.Height);
mHazards2.Add(aHazard);
}
}