// Init is called on startup.
public override void Init()
{
_gui = CreateGui();
// Create the interaction handler
_sih = new SceneInteractionHandler(_gui);
// Set the clear color for the backbuffer to white (100% intensity in all color channels R, G, B, A).
RC.ClearColor = new float4(1, 1, 1, 1);
// Load the rocket model
_rocketScene = AssetStorage.Get <SceneContainer>("RocketFus.fus");
// Wrap a SceneRenderer around the model.
_sceneRenderer = new SceneRendererForward(_rocketScene);
_guiRenderer = new SceneRendererForward(_gui);
rocketTransform = _rocketScene.Children[0].GetTransform();
FusToWpfEvents?.Invoke(this, new StartupInfoEvent(VSync));
}
// RenderAFrame is called once a frame
public override void RenderAFrame()
{
// Clear the backbuffer
RC.Clear(ClearFlags.Color | ClearFlags.Depth);
RC.Viewport(0, 0, Width, Height);
// 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))
{
_keys = false;
var touchVel = Touch.GetVelocity(TouchPoints.Touchpoint_0);
_angleVelHorz = -RotationSpeed * touchVel.x * DeltaTime * 0.0005f;
_angleVelVert = -RotationSpeed * touchVel.y * DeltaTime * 0.0005f;
}
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;
}
}
_angleHorz += _angleVelHorz;
_angleVert += _angleVelVert;
// Create the camera matrix and set it as the current ModelView transformation
var mtxRot = float4x4.CreateRotationX(_angleVert) * float4x4.CreateRotationY(_angleHorz);
var mtxCam = float4x4.LookAt(0, +2, -10, 0, +2, 0, 0, 1, 0);
var view = mtxCam * mtxRot;
var perspective = float4x4.CreatePerspectiveFieldOfView(_fovy, (float)Width / Height, ZNear, ZFar);
var orthographic = float4x4.CreateOrthographic(Width, Height, ZNear, ZFar);
// Render the scene loaded in Init()
RC.View = view;
RC.Projection = perspective;
_sceneRenderer.Render(RC);
//Constantly check for interactive objects.
RC.Projection = orthographic;
if (!Mouse.Desc.Contains("Android"))
{
_sih.CheckForInteractiveObjects(RC, Mouse.Position, Width, Height);
}
if (Touch.GetTouchActive(TouchPoints.Touchpoint_0) && !Touch.TwoPoint)
{
_sih.CheckForInteractiveObjects(RC, Touch.GetPosition(TouchPoints.Touchpoint_0), Width, Height);
}
FusToWpfEvents?.Invoke(this, new FpsEvent(Time.FramesPerSecondAverage));
_guiRenderer.Render(RC);
// Swap buffers: Show the contents of the backbuffer (containing the currently rendered frame) on the front buffer.
Present();
}