public void Render()
{
VideoDriver drv = device.VideoDriver;
drv.SetRenderTarget(textureRTT, true, true, new Color(20, 80, 180));
sceneNodeRTT.Visible = false;
device.SceneManager.DrawAll();
device.GUIEnvironment.DrawAll();
drv.SetRenderTarget(RenderTarget.FrameBuffer, true, true, new Color(40, 180, 240));
sceneNodeRTT.Visible = true;
device.SceneManager.DrawAll();
device.GUIEnvironment.DrawAll();
}
static void Main()
{
DriverType?driverType = AskForDriver();
if (!driverType.HasValue)
{
return;
}
IrrlichtDevice device = IrrlichtDevice.CreateDevice(driverType.Value, new Dimension2Di(640, 480));
if (device == null)
{
return;
}
VideoDriver driver = device.VideoDriver;
SceneManager smgr = device.SceneManager;
GUIEnvironment env = device.GUIEnvironment;
// load and display animated fairy mesh
AnimatedMeshSceneNode fairy = smgr.AddAnimatedMeshSceneNode(smgr.GetMesh("../../media/faerie.md2"));
if (fairy != null)
{
fairy.SetMaterialTexture(0, driver.GetTexture("../../media/faerie2.bmp")); // set diffuse texture
fairy.SetMaterialFlag(MaterialFlag.Lighting, true); // enable dynamic lighting
fairy.GetMaterial(0).Shininess = 20.0f; // set size of specular highlights
fairy.Position = new Vector3Df(-10, 0, -100);
fairy.SetMD2Animation(AnimationTypeMD2.Stand);
}
// add white light
smgr.AddLightSceneNode(null, new Vector3Df(-15, 5, -105), new Colorf(1, 1, 1));
// set ambient light
smgr.AmbientLight = new Colorf(0.25f, 0.25f, 0.25f);
// add fps camera
CameraSceneNode fpsCamera = smgr.AddCameraSceneNodeFPS();
fpsCamera.Position = new Vector3Df(-50, 50, -150);
// disable mouse cursor
device.CursorControl.Visible = false;
// create test cube
SceneNode test = smgr.AddCubeSceneNode(60);
// let the cube rotate and set some light settings
SceneNodeAnimator anim = smgr.CreateRotationAnimator(new Vector3Df(0.3f, 0.3f, 0));
test.Position = new Vector3Df(-100, 0, -100);
test.SetMaterialFlag(MaterialFlag.Lighting, false); // disable dynamic lighting
test.AddAnimator(anim);
anim.Drop();
// create render target
Texture rt = null;
CameraSceneNode fixedCam = null;
if (driver.QueryFeature(VideoDriverFeature.RenderToTarget))
{
rt = driver.AddRenderTargetTexture(new Dimension2Di(256), "RTT1");
test.SetMaterialTexture(0, rt); // set material of cube to render target
// add fixed camera
fixedCam = smgr.AddCameraSceneNode(null, new Vector3Df(10, 10, -80), new Vector3Df(-10, 10, -100));
}
else
{
// create problem text
GUIFont font = env.GetFont("../../media/fonthaettenschweiler.bmp");
if (font != null)
{
env.Skin.SetFont(font);
}
GUIStaticText text = env.AddStaticText(
"Your hardware or this renderer is not able to use the " +
"render to texture feature. RTT Disabled.",
new Recti(150, 20, 470, 60));
text.OverrideColor = new Color(255, 255, 255, 100);
}
int lastFPS = -1;
while (device.Run())
{
if (device.WindowActive)
{
driver.BeginScene(ClearBufferFlag.All, new Color(0));
if (rt != null)
{
// draw scene into render target
// set render target texture
driver.SetRenderTarget(rt, ClearBufferFlag.All, new Color(0, 0, 255));
// make cube invisible and set fixed camera as active camera
test.Visible = false;
smgr.ActiveCamera = fixedCam;
// draw whole scene into render buffer
smgr.DrawAll();
// set back old render target
// The buffer might have been distorted, so clear it
driver.SetRenderTarget(null, ClearBufferFlag.All, new Color(0));
// make the cube visible and set the user controlled camera as active one
test.Visible = true;
smgr.ActiveCamera = fpsCamera;
}
// draw scene normally
smgr.DrawAll();
env.DrawAll();
driver.EndScene();
// display frames per second in window title
int fps = driver.FPS;
if (lastFPS != fps)
{
device.SetWindowCaption(String.Format(
"Render to Texture and Specular Highlights example - Irrlicht Engine [{0}] fps: {1}",
driver.Name, fps));
lastFPS = fps;
}
}
}
device.Drop();
}