// Creates a private material used to the effect
void Awake()
{
if (!Application.isEditor)
{
Configuration.CheckConfiguration();
}
visrCamera = GetComponentInParent <VisrCamera>();
Shader shader = visrCamera.DistortionShader;
if (material != null)
{
DestroyImmediate(material);
}
if (shader == null)
{
Debug.LogError("Shader was not found");
}
else
{
material = new Material(shader);
}
}
void setRectForTTL(Camera camera, VisrCamera config)
{
Vector2 screenSizePixels = getViewSize(); //we cache this cause it's actually kinda expensive
float inchesToMm = 25.4f;
float pixPerMm = Screen.dpi / inchesToMm;
if (pixPerMm == 0)
{
Debug.LogError("Screen DPI value not valid, skipping lens config");
}
//the vertical position of the middle of the screen in mm
float centerHeight = (screenSizePixels.y / 2) / pixPerMm;
float heightOffset = centerHeight - config.TTL;
float heightOffsetClipSpace = heightOffset / screenSizePixels.y;
//float lensHeight = () * config.TTL;
//float ttl = lensHeight / getViewSize().y;
camera.rect = new Rect(camera.rect.x, -heightOffsetClipSpace, camera.rect.width, camera.rect.height);
}