static void Main(string[] args)
{
// Initialize device.
DriverType driverType;
if (!AskUserForDriver(out driverType))
{
return;
}
IrrlichtDevice device = IrrlichtDevice.CreateDevice(driverType, new Dimension2Di(640, 480));
if (device == null)
{
return;
}
// Add event handling.
device.OnEvent += new IrrlichtDevice.EventHandler(device_OnEvent);
// Save important pointers.
VideoDriver driver = device.VideoDriver;
SceneManager smgr = device.SceneManager;
Logger logger = device.Logger;
// Initialize joysticks and print info about them.
List <JoystickInfo> joystickList = device.ActivateJoysticks();
if (joystickList != null)
{
logger.Log("Joystick support is enabled and " + joystickList.Count.ToString() + " joystick(s) are present.");
foreach (JoystickInfo j in joystickList)
{
logger.Log("Joystick " + j.Joystick.ToString() + ":");
logger.Log("\tName: \"" + j.Name + "\"");
logger.Log("\tAxisCount: " + j.AxisCount.ToString());
logger.Log("\tButtonCount: " + j.ButtonCount.ToString());
logger.Log("\tPovHat: " + j.PovHat.ToString());
}
}
else
{
logger.Log("Joystick support is not enabled.");
}
device.SetWindowCaption("Mouse and joystick - Irrlicht Lime - " + joystickList.Count.ToString() + " joystick(s)");
// Create an arrow mesh and move it around either with the joystick axis/hat,
// or make it follow the mouse pointer (when no joystick movement).
SceneNode node = smgr.AddMeshSceneNode(
smgr.AddArrowMesh(
"Arrow",
new Color(255, 0, 0),
new Color(0, 255, 0),
16, 16,
2.0f, 1.3f,
0.1f, 0.6f
)
);
node.SetMaterialFlag(MaterialFlag.Lighting, false);
CameraSceneNode camera = smgr.AddCameraSceneNode();
camera.Position = new Vector3Df(0, 0, -10);
// As in example #4, we'll use framerate independent movement.
uint then = device.Timer.Time;
const float MovementSpeed = 5.0f;
// Run main cycle.
while (device.Run())
{
// Work out a frame delta time.
uint now = device.Timer.Time;
float frameDeltaTime = (float)(now - then) / 1000.0f; // in seconds
then = now;
bool movedWithJoystick = false;
Vector3Df nodePosition = node.Position;
if (joystickList.Count > 0)
{
float moveHorizontal = 0.0f; // range is -1.0 for full left to +1.0 for full right
float moveVertical = 0.0f; // range is -1.0 for full down to +1.0 for full up
// We receive the full analog range of the axes, and so have to implement our own dead zone.
// This is an empirical value, since some joysticks have more jitter or creep around the center
// point than others. We'll use 5% of the range as the dead zone, but generally you would want
// to give the user the option to change this.
float DeadZone = 0.05f;
moveHorizontal = joystickState.Axis[0] / 32767.0f; // "0" for X axis
if (Math.Abs(moveHorizontal) < DeadZone)
{
moveHorizontal = 0.0f;
}
moveVertical = joystickState.Axis[1] / -32767.0f; // "1" for Y axis
if (Math.Abs(moveVertical) < DeadZone)
{
moveVertical = 0.0f;
}
// POV will contain 65535 if POV hat info no0t supported, so we can check its range.
ushort povDegrees = (ushort)(joystickState.POV / 100);
if (povDegrees < 360)
{
if (povDegrees > 0 && povDegrees < 180)
{
moveHorizontal = +1.0f;
}
else if (povDegrees > 180)
{
moveHorizontal = -1.0f;
}
if (povDegrees > 90 && povDegrees < 270)
{
moveVertical = -1.0f;
}
else if (povDegrees > 270 || povDegrees < 90)
{
moveVertical = +1.0f;
}
}
// If we have any movement, apply it.
if (Math.Abs(moveHorizontal) > 0.0001f || Math.Abs(moveVertical) > 0.0001f)
{
float m = frameDeltaTime * MovementSpeed;
nodePosition = new Vector3Df(moveHorizontal * m, moveVertical * m, nodePosition.Z);
movedWithJoystick = true;
}
}
// If the arrow node isn't being moved with the joystick, then have it follow the mouse cursor.
if (!movedWithJoystick)
{
// Create a ray through the mouse cursor.
Line3Df ray = smgr.SceneCollisionManager.GetRayFromScreenCoordinates(mouseState.Position, camera);
// And intersect the ray with a plane around the node facing towards the camera.
Plane3Df plane = new Plane3Df(nodePosition, new Vector3Df(0, 0, -1));
Vector3Df mousePosition;
if (plane.GetIntersectionWithLine(ray.Start, ray.Vector, out mousePosition))
{
// We now have a mouse position in 3d space; move towards it.
Vector3Df toMousePosition = mousePosition - nodePosition;
float availableMovement = frameDeltaTime * MovementSpeed;
if (toMousePosition.Length <= availableMovement)
{
nodePosition = mousePosition; // jump to the final position
}
else
{
nodePosition += toMousePosition.Normalize() * availableMovement; // move towards it
}
}
}
node.Position = nodePosition;
// Turn lighting on and off depending on whether the left mouse button is down.
node.SetMaterialFlag(MaterialFlag.Lighting, mouseState.IsLeftButtonDown);
// Draw all.
driver.BeginScene(true, true, new Color(113, 113, 133));
smgr.DrawAll();
driver.EndScene();
}
// Drop the device.
device.Drop();
}
/// <summary>
/// The irrlicht thread for rendering.
/// </summary>
private void StartIrr()
{
try
{
//Setup
IrrlichtCreationParameters irrparam = new IrrlichtCreationParameters();
if (irrlichtPanel.IsDisposed)
{
throw new Exception("Form closed!");
}
if (irrlichtPanel.InvokeRequired)
{
irrlichtPanel.Invoke(new MethodInvoker(delegate { irrparam.WindowID = irrlichtPanel.Handle; }));
}
irrparam.DriverType = DriverType.Direct3D9;
irrparam.DriverType = DriverType.OpenGL;
irrparam.BitsPerPixel = 16;
device = IrrlichtDevice.CreateDevice(irrparam);
if (device == null)
{
throw new NullReferenceException("Could not create device for engine!");
}
driver = device.VideoDriver;
smgr = device.SceneManager;
gui = device.GUIEnvironment;
var cam = smgr.AddCameraSceneNode(null);
cam.TargetAndRotationBinding = true;
cam.Position = new Vector3Df(-100.0f, 500.0f, 100.0f);
cam.Target = new Vector3Df(0.0f);
cam.FarValue = 42000.0f;
device.CursorControl.Visible = false;
//Terrain
heightmap = driver.CreateImage("Terrain\\basemap.bmp");
terrain = smgr.AddTerrainSceneNode(
"Terrain\\basemap.bmp",
null,
-1,
new Vector3Df(0.0f)
);
terrain.Scale = new Vector3Df(32, 5, 32);
terrain.SetMaterialFlag(MaterialFlag.Lighting, false);
terrain.SetMaterialTexture(0, driver.GetTexture("Terrain\\rockwall.jpg"));
selector = smgr.CreateTerrainTriangleSelector(terrain, 0);
var arrow = smgr.AddAnimatedMeshSceneNode(smgr.AddArrowMesh("arrow", new IrrlichtLime.Video.Color(255, 255, 0, 0), new IrrlichtLime.Video.Color(255, 0, 255, 0)), null);
arrow.SetMaterialFlag(MaterialFlag.Lighting, false);
arrow.Scale = new Vector3Df(100.0f);
arrow.Rotation = new Vector3Df(0.0f, 0.0f, 180.0f);
//Skybox and skydome
driver.SetTextureCreationFlag(TextureCreationFlag.CreateMipMaps, false);
/*var box = smgr.AddSkyBoxSceneNode(
* ("Terrain\\irrlicht2_up.jpg"),
* ("Terrain\\irrlicht2_dn.jpg"),
* ("Terrain\\irrlicht2_lf.jpg"),
* ("Terrain\\irrlicht2_rt.jpg"),
* ("Terrain\\irrlicht2_ft.jpg"),
* ("Terrain\\irrlicht2_bk.jpg"));
* box.Visible = true;*/
var dome = smgr.AddSkyDomeSceneNode(driver.GetTexture("Terrain\\skydome.jpg"), 16, 8, 0.95f, 2.0f);
dome.Visible = true;
driver.SetTextureCreationFlag(TextureCreationFlag.CreateMipMaps, true);
var helpq = gui.AddStaticText("Press Q to disable focus!",
new Recti(0, this.ClientSize.Height - 40, 100, this.ClientSize.Height), true, true, null, 1, true);
var helpesc = gui.AddStaticText("Press ESC to quit",
new Recti(0, this.ClientSize.Height - 20, 100, this.ClientSize.Height), true, true, null, 1, true);
middletext = gui.AddStaticText("Click to enable mouselook and move with WASD",
new Recti(ClientSize.Width / 2 - 100, this.ClientSize.Height / 2, ClientSize.Width / 2 + 100, this.ClientSize.Height / 2 + 30), true, true, null, 1, true);
middletext.OverrideColor = IrrlichtLime.Video.Color.SolidWhite;
middletext.BackgroundColor = IrrlichtLime.Video.Color.SolidBlack;
var irrTimer = device.Timer;
var then = 0;
var then30 = 0;
device.CursorControl.Visible = false;
Vector2Df lastcurr = new Vector2Df(0f);
uint dt = 0;
while (device.Run())
{
driver.BeginScene(ClearBufferFlag.All);
if (catchmouse)
{
// move the arrow to the nearest vertex ...
IrrlichtLime.Core.Vector2Di center = new IrrlichtLime.Core.Vector2Di(irrlichtPanel.Width / 2, irrlichtPanel.Height / 2);
Line3Df ray = smgr.SceneCollisionManager.GetRayFromScreenCoordinates(center, cam);
Vector3Df pos;
Triangle3Df Tri;
var curr = device.CursorControl.RelativePosition;
// Threshold and periodical check so we don't spin around due to float conversions
if (device.Timer.Time > dt && curr.GetDistanceFrom(lastcurr) > 0.01f)
{
Line3Df cursor_ray = smgr.SceneCollisionManager
.GetRayFromScreenCoordinates(new Vector2Di((int)(curr.X * irrlichtPanel.Width), (int)(curr.Y * irrlichtPanel.Height)), cam);
smgr.ActiveCamera.Target = cursor_ray.Middle;
dt = device.Timer.Time + 30;
lastcurr = curr;
device.CursorControl.Position = center;
}
if (smgr.SceneCollisionManager.GetCollisionPoint(ray, selector, out pos, out Tri, out outnode))
{
var scale = 32; // terrain is scaled 32X
var size = 512; // heightmap is 512x512 pixels
var x = (pos.X / scale);
var z = (pos.Z / scale);
var index = x * size + z;
x *= scale;
z *= scale;
arrow.Position = new Vector3Df(x, terrain.GetHeight(x, z) + 100, z);
}
}
smgr.DrawAll();
gui.DrawAll();
driver.EndScene();
//device.CursorControl.Position = new Vector2Di(irrlichtPanel.
}
device.Drop();
}
catch (ThreadAbortException) { }
catch (NullReferenceException) { }
catch (Exception ex)
{
if (!this.IsDisposed)
{
MessageBox.Show(ex.Message);
//this.Invoke(new MethodInvoker(delegate { this.Close(); }));
}
}
}
