}//eom
protected override void Update(GameTime gameTime)
{
InputKeyManager.Triggers currentKeys = InputKeyManager.Read();
switch (drawingState)
{
case DrawingState.Initialize:
// initialize game values
if ((currentKeys & InputKeyManager.Triggers.Resume) != 0)
{
drawingState = DrawingState.Drawing;
} //end if
break;
case DrawingState.Drawing:
// check for pause button
if ((currentKeys & InputKeyManager.Triggers.Pause) != 0)
{
drawingState = DrawingState.Paused;
} //end if
// draw graphics
// update each ball
foreach (Ball redBall in redBalls)
{
redBall.Update(gameTime);
} //end foreach
break;
case DrawingState.Paused:
// pause drawing
if ((currentKeys & InputKeyManager.Triggers.Resume) != 0)
{
drawingState = DrawingState.Drawing;
} //end if
break;
case DrawingState.Reset:
// reset for another demo
break;
case DrawingState.Resume:
// resume demo
drawingState = DrawingState.Drawing;
break;
case DrawingState.Done:
// finished
break;
} //end switch
base.Update(gameTime);
} //eom
}//eom
protected override void Update(GameTime gameTime)
{
InputKeyManager.Triggers currentKeys = InputKeyManager.Read();
switch (gameState)
{
case GameState.Initialize:
// initialize - set drawingState to Drawing
#region User input to change shift and scale
if ((currentKeys & InputKeyManager.Triggers.UpArrow) != 0)
{
if (transformToggle == TransformToggle.Shift)
{
shiftY += 1.0f;
} //end if
else
{
scaleY += 1.0f;
if (scaleY == 0)
{
scaleY = 1;
}
} //end else
} //end if
if ((currentKeys & InputKeyManager.Triggers.DownArrow) != 0)
{
if (transformToggle == TransformToggle.Shift)
{
shiftY -= 1.0f;
} //end if
else
{
scaleY -= 1.0f;
if (scaleY == 0)
{
scaleY = 1;
}
} //end else
} //end if
if ((currentKeys & InputKeyManager.Triggers.Minus) != 0)
{
if (transformToggle == TransformToggle.Shift)
{
shiftZ -= 1.0f;
} //end if
else
{
scaleZ -= 1.0f;
if (scaleZ == 0)
{
scaleZ = 1;
}
} //end else
} //end if
if ((currentKeys & InputKeyManager.Triggers.LeftArrow) != 0)
{
if (transformToggle == TransformToggle.Shift)
{
shiftX -= 1.0f;
} //end if
else
{
scaleX -= 1.0f;
if (scaleX == 0)
{
scaleX = 1;
}
} //end else
} //end if
if ((currentKeys & InputKeyManager.Triggers.RightArrow) != 0)
{
if (transformToggle == TransformToggle.Shift)
{
shiftX += 1.0f;
} //end if
else
{
scaleX += 1.0f;
if (scaleX == 0)
{
scaleX = 1;
}
} //end else
} //end if
if ((currentKeys & InputKeyManager.Triggers.Plus) != 0)
{
if (transformToggle == TransformToggle.Shift)
{
shiftZ += 1.0f;
} //end if
else
{
scaleZ += 1.0f;
//if (scaleZ == 0)
// scaleZ = 1;
} //end else
} //end if
#endregion
if ((currentKeys & InputKeyManager.Triggers.Toggle) != 0)
{
if (transformToggle == TransformToggle.Shift)
{
transformToggle = TransformToggle.Scale;
} //end if
else
{
transformToggle = TransformToggle.Shift;
} //end else
} //end if
// press spacebar to start the game
if ((currentKeys & InputKeyManager.Triggers.Fire) != 0)
{
threeDObject.Scale = new Vector3(scaleX, scaleY, scaleZ);
threeDObject.Shift = new Vector3(shiftX, shiftY, shiftZ);
gameState = GameState.Drawing;
} //end if
if ((currentKeys & InputKeyManager.Triggers.Reset) != 0)
{
gameState = GameState.Reset;
} //end if
#region Move Camera
if ((currentKeys & InputKeyManager.Triggers.CamLeft) != 0)
{
camPosition.X -= 5.0f;
} //end if
if ((currentKeys & InputKeyManager.Triggers.CamRight) != 0)
{
camPosition.X += 5.0f;
} //end if
if ((currentKeys & InputKeyManager.Triggers.CamUp) != 0)
{
camPosition.Y += 5.0f;
} //end if
if ((currentKeys & InputKeyManager.Triggers.CamDown) != 0)
{
camPosition.Y -= 5.0f;
} //end if
viewMatrix = Matrix.CreateLookAt(camPosition, camTarget, Vector3.Up);
basicEffect.View = viewMatrix;
#endregion
if ((currentKeys & InputKeyManager.Triggers.ExitLevel) != 0)
{
gameState = GameState.Quit;
} //end if
break;
case GameState.Drawing:
// draw objects
// user input to transform the twoDObject
threeDObject.Update(gameTime);
SetVertices();
// pause
gameState = GameState.Initialize;
// reset
if ((currentKeys & InputKeyManager.Triggers.ExitLevel) != 0)
{
gameState = GameState.Reset;
} //end if
break;
case GameState.Reset:
shiftX = 0;
shiftY = 0;
shiftZ = 0;
scaleX = 1;
scaleY = 1;
scaleZ = 1;
threeDObject = new ThreeDObject(camTarget, new Vector3(shiftX, shiftY, shiftZ), new Vector3(scaleX, scaleY, scaleZ));
threeDObject.LoadContent(Content);
transformToggle = TransformToggle.Shift;
SetVertices();
//rest camera and view
camPosition = new Vector3(100f, 100f, 100f);
basicEffect.View = viewMatrix;
if ((currentKeys & InputKeyManager.Triggers.Quit) != 0)
{
gameState = GameState.Quit;
} //end if
if ((currentKeys & InputKeyManager.Triggers.Reset) != 0)
{
gameState = GameState.Initialize;
} //end if
break;
case GameState.Quit:
// finished - exit
this.Exit();
break;
} //end switch
base.Update(gameTime);
} //eom
}//eom
protected override void Update(GameTime gameTime)
{
InputKeyManager.Triggers currentKeys = InputKeyManager.Read();
switch (gameState)
{
case GameState.Initialize:
// initialize the game
// change the mass
if ((currentKeys & InputKeyManager.Triggers.UpArrow) != 0)
{
wagon.Mass += 5.0f;
} //end if
if ((currentKeys & InputKeyManager.Triggers.DownArrow) != 0)
{
wagon.Mass -= 5.0f;
} //end if
// change the friction coefficient
if ((currentKeys & InputKeyManager.Triggers.LeftArrow) != 0)
{
wagon.FrictionCoefficient -= 0.01f;
} //end if
if ((currentKeys & InputKeyManager.Triggers.RightArrow) != 0)
{
wagon.FrictionCoefficient += 0.01f;
} //end if
// press spacebar to start the game
if ((currentKeys & InputKeyManager.Triggers.Fire) != 0)
{
gameState = GameState.Playing;
} //end if
break;
case GameState.Playing:
// puase the game
if ((currentKeys & InputKeyManager.Triggers.Pause) != 0)
{
gameState = GameState.Paused;
} //end if
// reset
if ((currentKeys & InputKeyManager.Triggers.ExitLevel) != 0)
{
gameState = GameState.GameOver;
} //end if
// play the game
// check if the up arrow was pressed
if ((currentKeys & InputKeyManager.Triggers.UpArrow) != 0)
{
// move the handle angle up in increments of 5 degrees to a maximum of 85 degrees
wagon.HandleAngle -= 5;
} //end if
// check if the down arrow was pressed
if ((currentKeys & InputKeyManager.Triggers.DownArrow) != 0)
{
// move the handle down in increments of 5 degreees to a minimum of 0 degrees
wagon.HandleAngle += 5;
} //end if
// check if the left arrow was pressed
if ((currentKeys & InputKeyManager.Triggers.LeftArrow) != 0)
{
// decrease the applied force in increments of 5N to a minimum of 0N
wagon.ForceMagnitude -= 5;
} //end if
// check if the right arrow was pressed
if ((currentKeys & InputKeyManager.Triggers.RightArrow) != 0)
{
// increase the applied force in increments of 5N to a maximum of 5000N
wagon.ForceMagnitude += 5;
} //end if
// update the wagon
wagon.Update(gameTime);
break;
case GameState.Paused:
// game is paused
if ((currentKeys & InputKeyManager.Triggers.Pause) != 0)
{
gameState = GameState.Playing;
} //end if
break;
case GameState.GameOver:
// end the game
if ((currentKeys & InputKeyManager.Triggers.Reset) != 0)
{
wagon.Mass = mass;
wagon.FrictionCoefficient = frictionCoefficient;
wagon.ForceMagnitude = forceMagnitude;
wagon.HandleAngle = handleAngle;
wagon.Location = new Vector2((WindowWidth - Wagon.HandleDimensions.X - Wagon.WagonDimensions.X) / 8, BottomBorder - Wagon.WagonDimensions.Y);
gameState = GameState.Initialize;
} //end if
if ((currentKeys & InputKeyManager.Triggers.Quit) != 0)
{
gameState = GameState.Quit;
} //end if
break;
case GameState.Quit:
// close the game completely
this.Exit();
break;
} //end switch
base.Update(gameTime);
} //eom
}//eom
#endregion
protected override void Update(GameTime gameTime)
{
InputKeyManager.Triggers currentKeys = InputKeyManager.Read();
switch (drawingState)
{
case DrawingState.Initialize:
// initialize - set drawingState to Drawing
// user input to change origin of rotation
if ((currentKeys & InputKeyManager.Triggers.UpArrow) != 0)
{
twoDObject.RotationPoint -= new Vector2(0, 5);
} //end if
if ((currentKeys & InputKeyManager.Triggers.DownArrow) != 0)
{
twoDObject.RotationPoint += new Vector2(0, 5);
} //end if
if ((currentKeys & InputKeyManager.Triggers.LeftArrow) != 0)
{
twoDObject.RotationPoint -= new Vector2(5, 0);
} //end if
if ((currentKeys & InputKeyManager.Triggers.RightArrow) != 0)
{
twoDObject.RotationPoint += new Vector2(5, 0);
} //end if
if ((currentKeys & InputKeyManager.Triggers.CCW) != 0)
{
twoDObject.Direction = -1.0f;
} //end if
if ((currentKeys & InputKeyManager.Triggers.CW) != 0)
{
twoDObject.Direction = 1.0f;
} //end if
if ((currentKeys & InputKeyManager.Triggers.Origin) != 0)
{
twoDObject.RotationPoint = GridCenter;
} //end if
if ((currentKeys & InputKeyManager.Triggers.Center) != 0)
{
// get the current position of the 2D object
List <Point> points = twoDObject.Points;
// calculate the center
float cX = 0f, cY = 0f;
foreach (Point p in points)
{
cX += p.PointLocation.X;
cY += p.PointLocation.Y;
} //end foreach
cX /= points.Count;
cY /= points.Count;
// set the rotation point
twoDObject.RotationPoint = new Vector2(cX, cY);
} //end if
// press spacebar to start the game
if ((currentKeys & InputKeyManager.Triggers.Fire) != 0)
{
drawingState = DrawingState.Drawing;
} //end if
break;
case DrawingState.Drawing:
// draw objects
// user input to rotate the twoDObject clockwise and counteclockwise
twoDObject.Update(gameTime);
SetVertices();
// pause
// reset
if ((currentKeys & InputKeyManager.Triggers.ExitLevel) != 0)
{
drawingState = DrawingState.Reset;
} //end if
break;
case DrawingState.Paused:
// rotation is paused
break;
case DrawingState.Reset:
// reset/clear the drawing
if ((currentKeys & InputKeyManager.Triggers.Reset) != 0)
{
//twoDObject.RotationPoint = GRID_CENTER;
drawingState = DrawingState.Initialize;
} //end if
if ((currentKeys & InputKeyManager.Triggers.Quit) != 0)
{
drawingState = DrawingState.Done;
} //end if
break;
case DrawingState.Done:
// finished - exit
this.Exit();
break;
} //end switch
base.Update(gameTime);
} //eom
}//eom
protected override void Update(GameTime gameTime)
{
InputKeyManager.Triggers currentKeys = InputKeyManager.Read();
switch (drawingState)
{
case DrawingState.Initialize:
// initialize and set drawing state
pathVertices.Add(new VertexPositionColor(new Vector3(pointPosition.X, pointPosition.Y, 0), Color.AliceBlue));
//pathVertices.Add(new VertexPositionColor(new Vector3(pointPosition.X, pointPosition.Y, 0), Color.AliceBlue));
// change firing angle and magnitude based on keyboard input
if ((currentKeys & InputKeyManager.Triggers.UpArrow) != 0)
{
firingAngle += 1.0f;
if (firingAngle > 89)
{
firingAngle = 89;
} //end if
} //end if
if ((currentKeys & InputKeyManager.Triggers.DownArrow) != 0)
{
firingAngle -= 1.0f;
if (firingAngle < 0.0f)
{
firingAngle = 0.0f;
} //end if
} //end if
if ((currentKeys & InputKeyManager.Triggers.LeftArrow) != 0)
{
firingMagnitude -= 5.0f;
if (firingMagnitude < 0.0f)
{
firingMagnitude = 0.0f;
} //end if
} //end if
if ((currentKeys & InputKeyManager.Triggers.RightArrow) != 0)
{
firingMagnitude += 5.0f;
if (firingMagnitude > 250)
{
firingMagnitude = 250;
} //end if
} //end if
// create component form of velocity
velocity = new Vector3((float)(firingMagnitude * Math.Cos(MathHelper.ToRadians(firingAngle))), (float)(firingMagnitude * Math.Sin(MathHelper.ToRadians(firingAngle))), 0);
// move the starting posiion up and down
if ((currentKeys & InputKeyManager.Triggers.Up) != 0)
{
launchPoint.Y += 1;
if (launchPoint.Y > WindowHeight)
{
launchPoint.Y = WindowHeight;
} //end if
} //end if
if ((currentKeys & InputKeyManager.Triggers.Down) != 0)
{
launchPoint.Y -= 1;
if (launchPoint.Y < 0)
{
launchPoint.Y = 0;
} //end if
} //end if
// now set the starting pointPosition
pointPosition.X = launchPoint.X;
pointPosition.Y = WindowHeight - launchPoint.Y;
// press spacebar to start the game
if ((currentKeys & InputKeyManager.Triggers.Fire) != 0)
{
drawingState = DrawingState.Drawing;
} //end if
break;
case DrawingState.Drawing:
// draw objects
time += (float)gameTime.ElapsedGameTime.TotalSeconds;
pointPosition = launchPoint + velocity * time + 0.5f * acceleration * time * time;
pointPosition.Y = WindowHeight - pointPosition.Y;
pathVertices.Add(new VertexPositionColor(pointPosition, Color.Red));
twoDObject.CenterOfMass = new Vector2(pointPosition.X, pointPosition.Y);
twoDObject.Update(gameTime);
SetVertices();
// check if point is off the screen
if (pointPosition.Y - WindowHeight >= 0 || pointPosition.X >= WindowWidth)
{
drawingState = DrawingState.Reset; // may need to add another state
} //end if
// pause
// reset
if ((currentKeys & InputKeyManager.Triggers.ExitLevel) != 0)
{
drawingState = DrawingState.Reset;
} //end if
break;
case DrawingState.Paused:
// drawing is paused
break;
case DrawingState.Reset:
// reset/clear the drawing
if ((currentKeys & InputKeyManager.Triggers.Reset) != 0)
{
time = 0.0f;
firingAngle = 45.0f;
firingMagnitude = 100.0f;
velocity = Vector3.Zero;
launchPoint = new Vector3(WindowMargin, WindowMargin, 0);
pointPosition = new Vector3(launchPoint.X, WindowHeight - launchPoint.Y, launchPoint.Z);
pathVertices.Clear();
drawingState = DrawingState.Initialize;
} //end if
if ((currentKeys & InputKeyManager.Triggers.Quit) != 0)
{
drawingState = DrawingState.Done;
} //end if
break;
case DrawingState.Done:
// finished - exit
this.Exit();
break;
} //end switch
base.Update(gameTime);
} //eom
}//eom
protected override void Update(GameTime gameTime)
{
InputKeyManager.Triggers currentKeys = InputKeyManager.Read();
switch (drawingState)
{
case DrawingState.Initialize:
// initialize - set drawingState to Drawing
// user input to change shift and scale
if ((currentKeys & InputKeyManager.Triggers.UpArrow) != 0)
{
if (transformToggle == TransformToggle.Shift)
{
shiftY += 1.0f;
} //end if
else
{
scaleY += 1.0f;
if (scaleY == 0)
{
scaleY = 1;
}
} //end else
} //end if
if ((currentKeys & InputKeyManager.Triggers.DownArrow) != 0)
{
if (transformToggle == TransformToggle.Shift)
{
shiftY -= 1.0f;
} //end if
else
{
scaleY -= 1.0f;
if (scaleY == 0)
{
scaleY = 1;
}
} //end else
} //end if
if ((currentKeys & InputKeyManager.Triggers.LeftArrow) != 0)
{
if (transformToggle == TransformToggle.Shift)
{
shiftX -= 1.0f;
} //end if
else
{
scaleX -= 1.0f;
if (scaleX == 0)
{
scaleX = 1;
}
} //end else
} //end if
if ((currentKeys & InputKeyManager.Triggers.RightArrow) != 0)
{
if (transformToggle == TransformToggle.Shift)
{
shiftX += 1.0f;
} //end if
else
{
scaleX += 1.0f;
if (scaleX == 0)
{
scaleX = 1;
}
} //end else
} //end if
if ((currentKeys & InputKeyManager.Triggers.Toggle) != 0)
{
if (transformToggle == TransformToggle.Shift)
{
transformToggle = TransformToggle.Scale;
} //end if
else
{
transformToggle = TransformToggle.Shift;
} //end else
} //end if
// press spacebar to start the game
if ((currentKeys & InputKeyManager.Triggers.Fire) != 0)
{
twoDObject.Scale = new Vector2(scaleX, scaleY);
twoDObject.Shift = new Vector2(shiftX, shiftY);
drawingState = DrawingState.Drawing;
} //end if
if ((currentKeys & InputKeyManager.Triggers.ExitLevel) != 0)
{
drawingState = DrawingState.Reset;
} //end if
break;
case DrawingState.Drawing:
// draw objects
// user input to transform the twoDObject
twoDObject.Update(gameTime);
SetVertices();
// pause
drawingState = DrawingState.Initialize;
// reset
if ((currentKeys & InputKeyManager.Triggers.ExitLevel) != 0)
{
drawingState = DrawingState.Reset;
} //end if
break;
case DrawingState.Paused:
// drawing is paused
break;
case DrawingState.Reset:
// reset the drawing
if ((currentKeys & InputKeyManager.Triggers.Reset) != 0)
{
twoDObject = new TwoDObject(Grid_Center, Vector2.Zero, Vector2.Zero);
twoDObject.LoadContent(Content);
shiftX = 0;
shiftY = 0;
scaleX = 1;
scaleY = 1;
transformToggle = TransformToggle.Shift;
SetVertices();
drawingState = DrawingState.Initialize;
} //end if
if ((currentKeys & InputKeyManager.Triggers.Quit) != 0)
{
drawingState = DrawingState.Done;
} //end if
break;
case DrawingState.Done:
// finished - exit
this.Exit();
break;
} //end switch
base.Update(gameTime);
} //eom
}//eom
protected override void Update(GameTime gameTime)
{
InputKeyManager.Triggers currentKeys = InputKeyManager.Read();
switch (drawingState)
{
case DrawingState.Initialize:
// initialize starting values
vertices.Add(new VertexPositionColor(new Vector3(0, WindowHeight, 0), Color.Red));
vertices.Add(new VertexPositionColor(new Vector3(0, WindowHeight, 0), Color.Red));
if ((currentKeys & InputKeyManager.Triggers.UpArrow) != 0)
{
firingAngle += 1.0f;
if (firingAngle > 89)
{
firingAngle = 89;
} //end if
} //end if
if ((currentKeys & InputKeyManager.Triggers.DownArrow) != 0)
{
firingAngle -= 1.0f;
if (firingAngle < 0.0f)
{
firingAngle = 0.0f;
} //end if
} //end if
if ((currentKeys & InputKeyManager.Triggers.LeftArrow) != 0)
{
firingMagnitude -= 5.0f;
if (firingMagnitude < 0.0f)
{
firingMagnitude = 0.0f;
} //end if
} //end if
if ((currentKeys & InputKeyManager.Triggers.RightArrow) != 0)
{
firingMagnitude += 5.0f;
if (firingMagnitude > 250)
{
firingMagnitude = 250;
} //end if
} //end if
// create component form of velocity
velocity = new Vector3((float)(firingMagnitude * Math.Cos(MathHelper.ToRadians(firingAngle))), (float)(firingMagnitude * Math.Sin(MathHelper.ToRadians(firingAngle))), 0);
// move the starting posiion up and down
if ((currentKeys & InputKeyManager.Triggers.Up) != 0)
{
initialPosition.Y += 1;
if (initialPosition.Y > WindowHeight)
{
initialPosition.Y = WindowHeight;
} //end if
} //end if
if ((currentKeys & InputKeyManager.Triggers.Down) != 0)
{
initialPosition.Y -= 1;
if (initialPosition.Y < 0)
{
initialPosition.Y = 0;
} //end if
} //end if
// now set the starting pointPosition
pointPosition.X = initialPosition.X;
pointPosition.Y = WindowHeight - initialPosition.Y;
// press spacebar to start the game
if ((currentKeys & InputKeyManager.Triggers.Fire) != 0)
{
drawingState = DrawingState.Drawing;
} //end if
break;
case DrawingState.Drawing:
// draw objects on the screen
time += (float)gameTime.ElapsedGameTime.TotalSeconds;
pointPosition = initialPosition + velocity * time + 0.5f * acceleration * time * time;
pointPosition.Y = WindowHeight - pointPosition.Y;
vertices.Add(new VertexPositionColor(pointPosition, Color.Red));
// check if point is off the screen
if (pointPosition.Y - WindowHeight >= 0 || pointPosition.X >= WindowWidth)
{
drawingState = DrawingState.Reset; // may need to add another state
} //end if
// reset
if ((currentKeys & InputKeyManager.Triggers.ExitLevel) != 0)
{
drawingState = DrawingState.Reset;
} //end if
GetMaximumHeight();
break;
case DrawingState.Paused:
// pause drawing on the scren
break;
case DrawingState.Reset:
// reset/clear the drawing
if ((currentKeys & InputKeyManager.Triggers.Reset) != 0)
{
time = 0.0f;
firingAngle = 0.0f;
firingMagnitude = 0.0f;
maxHeight = 0.0f;
velocity = Vector3.Zero;
pointPosition = Vector3.Zero;
initialPosition = Vector3.Zero;
vertices.Clear();
drawingState = DrawingState.Initialize;
} //end if
if ((currentKeys & InputKeyManager.Triggers.Quit) != 0)
{
drawingState = DrawingState.Done;
} //end if
break;
case DrawingState.Done:
// finished - exit
this.Exit();
break;
} //end switch
base.Update(gameTime);
} //eom
