// RenderAFrame()
public override void RenderAFrame()
{
RC.Clear(ClearFlags.Color | ClearFlags.Depth);
// keyboard
if (Input.Instance.IsKeyDown(KeyCodes.V))
{
_angleVelHorz = 0.0f;
_angleVelVert = 0.0f;
if (_topView)
{
_angleHorz = 0.4f;
_angleVert = -1.0f;
_topView = false;
}
else
{
_angleHorz = 0.0f;
_angleVert = 0.0f;
_topView = true;
}
}
if (Input.Instance.IsKeyDown(KeyCodes.S))
{
Audio.Instance.SetVolume(Audio.Instance.GetVolume() > 0 ? 0 : 100);
}
if (Input.Instance.IsKeyDown(KeyCodes.C))
{
_exampleLevel.UseStereo3D = !_exampleLevel.UseStereo3D;
}
if (Input.Instance.IsKey(KeyCodes.Left))
{
_exampleLevel.MoveCube(Level.Directions.Left);
}
if (Input.Instance.IsKey(KeyCodes.Right))
{
_exampleLevel.MoveCube(Level.Directions.Right);
}
if (Input.Instance.IsKey(KeyCodes.Up))
{
_exampleLevel.MoveCube(Level.Directions.Forward);
}
if (Input.Instance.IsKey(KeyCodes.Down))
{
_exampleLevel.MoveCube(Level.Directions.Backward);
}
// mouse
if (Input.Instance.GetAxis(InputAxis.MouseWheel) > 0)
{
_exampleLevel.ZoomCamera(50);
}
if (Input.Instance.GetAxis(InputAxis.MouseWheel) < 0)
{
_exampleLevel.ZoomCamera(-50);
}
if (Input.Instance.IsButton(MouseButtons.Left))
{
_angleVelHorz = RotationSpeed * Input.Instance.GetAxis(InputAxis.MouseX);
_angleVelVert = RotationSpeed * Input.Instance.GetAxis(InputAxis.MouseY);
}
else
{
var curDamp = (float)Math.Exp(-Damping * Time.Instance.DeltaTime);
_angleVelHorz *= curDamp;
_angleVelVert *= curDamp;
}
_angleHorz += _angleVelHorz;
_angleVert += _angleVelVert;
// colh var mtxRot = float4x4.CreateRotationZ(_angleHorz)*float4x4.CreateRotationX(_angleVert);
var mtxRot = float4x4.CreateRotationX(-_angleVert) * float4x4.CreateRotationZ(-_angleHorz);
_exampleLevel.Render(mtxRot);
if (_exampleLevel.UseStereo3D)
{
_stereo3D.Display();
}
Present();
}
// RenderAFrame is called once a frame
public override void RenderAFrame()
{
// Clear the backbuffer
RC.Clear(ClearFlags.Color | ClearFlags.Depth);
// Mouse and keyboard movement
if (Keyboard.LeftRightAxis != 0 || Keyboard.UpDownAxis != 0)
{
_keys = true;
}
if (Mouse.LeftButton)
{
_keys = false;
_angleVelHorz = -RotationSpeed * Mouse.XVel * DeltaTime * 0.0005f;
_angleVelVert = -RotationSpeed * Mouse.YVel * DeltaTime * 0.0005f;
}
else if (Touch.GetTouchActive(TouchPoints.Touchpoint_0))
{
//Reset view on touch
ResetView();
}
else
{
if (_keys)
{
_angleVelHorz = -RotationSpeed * Keyboard.LeftRightAxis * DeltaTime;
_angleVelVert = -RotationSpeed * Keyboard.UpDownAxis * DeltaTime;
}
else
{
var curDamp = (float)System.Math.Exp(-Damping * DeltaTime);
_angleVelHorz *= curDamp;
_angleVelVert *= curDamp;
}
}
//Rotate Scene with Mouse
_angleHorz -= _angleVelHorz / 3;
_angleVert -= _angleVelVert / 3;
//Calculate view (DeviceTracking)
float4x4 headsetRotationX = float4x4.CreateRotationX(-gameRotationVector[2] + _angleVert);
float4x4 headsetRotationY = float4x4.CreateRotationY(-gameRotationVector[0] + _angleHorz);
float4x4 headsetRotationZ = float4x4.CreateRotationZ(-gameRotationVector[1] + _angleRoll);
//StereoRendering
if (_renderStereo)
{
//Render Left Eye
var camTrans = float4x4.CreateTranslation(_eyeDistance / 2, -200, 0);
var mtxCam = float4x4.LookAt(_eyeDistance / 2, 0, 0, 0, 0, 400, 0, 1, 0);
RC.ModelView = headsetRotationZ * headsetRotationX * headsetRotationY * mtxCam * camTrans;
_stereo3d.Prepare(Stereo3DEye.Left);
_sceneRenderer.Render(RC);
_stereo3d.Save();
//Render Right Eye
camTrans = float4x4.CreateTranslation(-_eyeDistance / 2, -200, 0);
mtxCam = float4x4.LookAt(-_eyeDistance / 2, 0, 0, 0, 0, 400, 0, 1, 0);
RC.ModelView = headsetRotationZ * headsetRotationX * headsetRotationY * mtxCam * camTrans;
_stereo3d.Prepare(Stereo3DEye.Right);
_sceneRenderer.Render(RC);
_stereo3d.Save();
//We do nothing here in Cardboard-Mode. Used in Oculus and Anaglyph
_stereo3d.Display();
}
//no StereoRendering
else
{
// Render the scene loaded in Init()
var camTrans = float4x4.CreateTranslation(0, -200, 0);
RC.ModelView = headsetRotationZ * headsetRotationX * headsetRotationY * camTrans;
_sceneRenderer.Render(RC);
}
#if GUI_SIMPLE
_guiHandler.RenderGUI(); //GUI is overlayed, but can also be rendered for each eye
#endif
// Swap buffers: Show the contents of the backbuffer (containing the currently rerndered farame) on the front buffer.
Present();
}