private void MakeSelection(SimMass mass, SimString massString)
{
selectedMass = mass;
selectedMass.Selected = true;
selectedString = massString;
lastSelectedMass = mass; //for use in parent form
lastSelectedString = massString; //for use in parent form
parentForm.setPropertyView(selectedString);
}
//deselects all selected masses
public void ClearSelection()
{
if (selectedMass != null)
{
selectedMass.Selected = false;
selectedMass = null;
selectedString = null;
}
foreach (SimString massString in stringLists)
{
foreach (SimMass mass in massString.MassList)
{
if (mass.Selected)
{
mass.Selected = false;
}
}
}
}
protected override void Initialize()
{
this.Dock = DockStyle.Fill;
//Init camera and dimensions
this.worldDimensions = new Rectangle(0, 0, this.Width, this.Height);
previousScroll = Mouse.GetState().ScrollWheelValue;
zoomIncrement = 0.01f;
camera = new Camera(GraphicsDevice.Viewport, (int)worldDimensions.Width * worldSizeMultiplier, (int)worldDimensions.Height * worldSizeMultiplier, 1f);
numOfMasses = 80;
ContentManager content = new ContentManager(Services);
content.RootDirectory = "Content";
massTexture = content.Load <Texture2D>("Image1");
selectedTexture = content.Load <Texture2D>("selectedRing");
spriteBatch = new SpriteBatch(GraphicsDevice);
selectedMass = null;
lastLMouse = Microsoft.Xna.Framework.Input.ButtonState.Released;
lastRMouse = Microsoft.Xna.Framework.Input.ButtonState.Released;
//area selection
startVector = new Vector2();
//group list
objectGroupList = new List <ObjectGroup>();
// Start the animation timer.
timer = new Timer();
timer.Interval = 1;
timer.Tick += Tick;
timer.Start();
//create simulation
springSim = new Simulation(this);
springSim.Stiffness = stiffness;
springSim.Damping = damping;
springSim.Length = 10f;
springSim.MassPerString = numOfMasses;
stringLists = new List <SimString>();
//add forces
gravity = new Gravity(new Vector2(0f, 9.81f));
springSim.AddGlobalForceGenerator(gravity);
air = new Medium(0.5f);
springSim.AddGlobalForceGenerator(air);
barrier = new ControlSide(new Rectangle(worldDimensions.X, worldDimensions.Y,
worldDimensions.Width * worldSizeMultiplier, worldDimensions.Height * worldSizeMultiplier));
springSim.AddGlobalForceGenerator(barrier);
//add integrator
integrator = new ForwardEulerIntegrator(this);
springSim.Integrator = integrator;
parentForm.saveState();
}
//any controls other than pan and zoom
private void HandleInput()
{
if (MainForm.ApplicationIsActivated())
{
MouseState mouseState = Mouse.GetState();
//DETECT MOUSE UP AND DOWN
rMouseDown = false;
rMouseUp = false;
lMouseDown = false;
lMouseUp = false;
bool spaceDown = false;
bool delDown = false;
bool dDown = false;
#region button up/down checks;
if (kbState.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.D) &&
oldKbState.IsKeyUp(Microsoft.Xna.Framework.Input.Keys.D))
{
dDown = true;
}
else
{
dDown = false;
}
if (kbState.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.Space) &&
oldKbState.IsKeyUp(Microsoft.Xna.Framework.Input.Keys.Space))
{
spaceDown = true;
}
else
{
spaceDown = false;
}
if (kbState.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.Delete) &&
oldKbState.IsKeyUp(Microsoft.Xna.Framework.Input.Keys.Delete))
{
delDown = true;
}
else
{
delDown = false;
}
if (lastRMouse != mouseState.RightButton)
{
if (lastRMouse == Microsoft.Xna.Framework.Input.ButtonState.Released)
{
rMouseDown = true;
}
if (lastRMouse == Microsoft.Xna.Framework.Input.ButtonState.Pressed)
{
rMouseUp = true;
}
}
if (lastLMouse != mouseState.LeftButton)
{
if (lastLMouse == Microsoft.Xna.Framework.Input.ButtonState.Released)
{
lMouseDown = true;
}
if (lastLMouse == Microsoft.Xna.Framework.Input.ButtonState.Pressed)
{
lMouseUp = true;
}
}
#endregion
#region mouse input handling
if (ClientRectangle.Contains(PointToClient(Control.MousePosition))) //if mouse position is over the control
{
if (!this.Focused && mouseState.LeftButton == Microsoft.Xna.Framework.Input.ButtonState.Pressed)
{
this.Focus(); //if not in focus, and left click is on control: give controlfocus
}
else //control is in focus
{
if (delDown)
{
parentForm.DeleteSelected();
}
if (parentForm.selectedToolTreeNode.Index == 0)//led is selected
{
#region ledMode
if (lMouseDown)
{
AddNewMasses(new Vector2(GetMousePos().X, GetMousePos().Y));
}
#endregion
}
else if (parentForm.selectedToolTreeNode.Index == 1) //select is selected
{
#region selectMode
bool offMass = false;
if (lMouseDown && selectedMass != null)
{
foreach (SimString massString in stringLists)
{
foreach (SimMass mass in massString.MassList)
{
if (!(GetMousePos().X > mass.CurrPositionX - (massTexture.Width / 2) - 5f &&
GetMousePos().X < mass.CurrPositionX + (massTexture.Width / 2) + 5f &&
GetMousePos().Y > mass.CurrPositionY - (massTexture.Height / 2) - 5f &&
GetMousePos().Y < mass.CurrPositionY + (massTexture.Height / 2) + 5f)) // deteect of mouse down over a mass
{
offMass = true;
}
}
}
if (offMass) //click was not on a mass
{
if (selectedMass.SimObjectType == SimObjectType.PASSIVETEMP)
{
selectedMass.SimObjectType = SimObjectType.ACTIVE;
}
ClearSelection();
offMass = false;
}
}
if (lMouseDown && selectedMass == null)
{
SimMass newMass = null;
SimString newString = null;
foreach (SimString massString in stringLists)
{
foreach (SimMass mass in massString.MassList)
{
if (GetMousePos().X > mass.CurrPositionX - (massTexture.Width / 2) - 5f &&
GetMousePos().X < mass.CurrPositionX + (massTexture.Width / 2) + 5f &&
GetMousePos().Y > mass.CurrPositionY - (massTexture.Height / 2) - 5f &&
GetMousePos().Y < mass.CurrPositionY + (massTexture.Height / 2) + 5f) // deteect of mouse down over a mass
{
//mouse click was on a mass
newMass = mass;
newString = massString;
}
}
}
if (newMass != null && newString != null)
{
MakeSelection(newMass, newString);
}
}
if (dDown)
{
if (selectedMass != null)
{
if (selectedMass.SimObjectType == SimObjectType.PASSIVETEMP)
{
selectedMass.SimObjectType = SimObjectType.ACTIVE;
}
}
ClearSelection();
parentForm.saveState();
}
if ((spaceDown || rMouseDown) && selectedMass != null)
{
if (selectedMass.SimObjectType == SimObjectType.PASSIVETEMP) //toggle (temp)passive/active
{
selectedMass.SimObjectType = SimObjectType.PASSIVE;
}
else
{
selectedMass.SimObjectType = SimObjectType.PASSIVETEMP;
}
parentForm.saveState();
}
if (mouseState.LeftButton == Microsoft.Xna.Framework.Input.ButtonState.Pressed)
{
if (selectedMass != null) //if left mouse held and mass is selected, mass is being moved
{
selectedMass.CurrPosition = GetMousePos();
if (selectedMass.SimObjectType == SimObjectType.ACTIVE)
{
selectedMass.SimObjectType = SimObjectType.PASSIVETEMP;
}
}
}
#endregion
}
else if (parentForm.selectedToolTreeNode.Index == 2) //rectangle select is selected
{
#region rectSelectMode
if (lMouseDown)
{
startVector = new Vector2(this.PointToClient(Control.MousePosition).X, this.PointToClient(Control.MousePosition).Y);
}
if (mouseState.LeftButton == Microsoft.Xna.Framework.Input.ButtonState.Pressed)
{
Vector2 endVector = new Vector2(this.PointToClient(Control.MousePosition).X, this.PointToClient(Control.MousePosition).Y);
int rectWidth = (int)(this.PointToClient(Control.MousePosition).X - startVector.X);
int rectHeight = (int)(this.PointToClient(Control.MousePosition).Y - startVector.Y);
Vector2 startVectorTrans = TransformPos(startVector);
Vector2 endVectorTrans = TransformPos(endVector);
Vector2 rectVector;
if (endVectorTrans.Length() > startVectorTrans.Length())
{
rectVector = endVectorTrans - startVectorTrans;
}
else
{
rectVector = startVectorTrans - endVectorTrans;
}
selectionRectangle = new Rectangle((int)startVectorTrans.X, (int)startVectorTrans.Y, (int)rectVector.X, (int)rectVector.Y);
spriteBatch.Begin();
spriteBatch.DrawRectangle(new Rectangle((int)startVector.X, (int)startVector.Y, rectWidth, rectHeight), Color.Black);
spriteBatch.End();
}
if (lMouseUp)
{
//check if any masses are inside rectangle
ObjectGroup currentGroup = new ObjectGroup();
foreach (SimString massString in stringLists)
{
foreach (SimMass mass in massString.MassList)
{
if (selectionRectangle.Contains(new Point((int)mass.CurrPositionX, (int)mass.CurrPositionY)))
{
mass.Selected = true;
foreach (SimMass sMass in massString.MassList)
{
sMass.Selected = true;
}
}
}
}
}
if (dDown)
{
foreach (SimString massString in stringLists)
{
foreach (SimMass mass in massString.MassList)
{
mass.Selected = false;
}
}
}
if (spaceDown || rMouseDown)
{
foreach (SimString massString in stringLists)
{
foreach (SimMass mass in massString.MassList)
{
if (mass.Selected)
{
if (mass.SimObjectType == SimObjectType.ACTIVE || mass.SimObjectType == SimObjectType.PASSIVETEMP)
{
mass.SimObjectType = SimObjectType.GROUPPASSIVE;
}
else if (mass.SimObjectType == SimObjectType.GROUPPASSIVE)
{
mass.SimObjectType = SimObjectType.ACTIVE;
}
}
}
}
}
#endregion
}
}
}
#endregion
oldKbState = kbState;
lastLMouse = mouseState.LeftButton;
lastRMouse = mouseState.RightButton;
spaceDown = false;
}
}
public void addMass(SimMass newObj)
{
this.groupList.Add(newObj);
}
