/// <summary>
/// Update the screen Transformation.
/// </summary>
/// <param name="videoMode">Video mode.</param>
/// <param name="verticalFieldOfView">Vertical FOV.</param>
private void UpdateScreenTransformation(
HardwareParameters.VideoModeAttributes videoMode, float verticalFieldOfView)
{
float fov = verticalFieldOfView;
float distanceToScreen = gameObject.camera.farClipPlane;
float frameAspect = (float)videoMode.width / (float)videoMode.height;
float scaleFactor = 1.0f;
// Unity's Plane mesh default scale is 5
float screenSize = 0.2f
* distanceToScreen
* Mathf.Tan(0.5f * fov * Mathf.Deg2Rad)
* scaleFactor;
float screenWidth = screenSize * frameAspect;
float screenHeight = screenSize;
Vector3 screenScale = new Vector3((Common.Mirroring ? 1 : -1) * screenWidth, 1f, screenHeight);
screen.transform.localScale = screenScale;
// We need this transformation dew to the way unity handles phone orientation
screen.transform.localRotation = Common.GetWorldRotation() * Quaternion.AngleAxis(90f, Vector3.left);
// distanceToScreen * 0.99f to make sure we are closer than camera far clipframe
screen.transform.localPosition = new Vector3(0f, 0f, distanceToScreen * 0.99f);
}
/// <summary>
/// Init Texture2D.
/// </summary>
/// <param name="qualityMode">Video quality.</param>
/// <param name="videoMode">Video mode.</param>
/// <param name="backgroundTexture">Reference to Texture2D.</param>
private void InitTexture(
Mode qualityMode, HardwareParameters.VideoModeAttributes videoMode, ref Texture2D backgroundTexture)
{
int potWidth, potHeight;
TextureFormat textureFormat;
if (qualityMode == Mode.QualityOptimized)
{
potWidth = Mathf.NextPowerOfTwo(videoMode.width);
potHeight = Mathf.NextPowerOfTwo(videoMode.height);
textureFormat = TextureFormat.ARGB32;
}
else if (qualityMode == Mode.PerformanceAndQuality)
{
potWidth = Mathf.ClosestPowerOfTwo(videoMode.width);
potHeight = Mathf.ClosestPowerOfTwo(videoMode.height);
textureFormat = TextureFormat.RGB565;
}
else
{
potWidth = 512;
potHeight = 512;
textureFormat = TextureFormat.RGB565;
}
backgroundTexture = new Texture2D(potWidth, potHeight, textureFormat, false);
backgroundTexture.filterMode = FilterMode.Bilinear;
backgroundTexture.wrapMode = TextureWrapMode.Clamp;
}
/// <summary>
/// Init screen, set screen texture.
/// </summary>
/// <param name="videoMode">Video mode.</param>
/// <param name="backgroundTexture">Screen background texture.</param>
private void InitScreen(HardwareParameters.VideoModeAttributes videoMode, Texture2D backgroundTexture)
{
if (screen == null)
{
ErrorHandler.instance.presentErrorMessage(
"Camera component does not contain NCamera object of Screen is not assigned");
}
screen.renderer.material.mainTexture = backgroundTexture;
StartCoroutine("InitBackground");
}
/// <summary>
/// Object major initializtion step.
/// Build screen texture and initialize screen object.
/// </summary>
/// <param name="videoMode">Video mode.</param>
/// <param name="verticalFieldOfView">Vertical FOV.</param>
public void Init(HardwareParameters.VideoModeAttributes videoMode, float verticalFieldOfView)
{
InitTexture(mode, videoMode, ref m_backgroundTexture);
InitScreen(videoMode, m_backgroundTexture);
UpdateScreenTransformation(videoMode, verticalFieldOfView);
}
