private bool WorldToScreen(Vector3 worldLocation, PlayerCameraManager cameraManager, out Vector2 screenlocation)
{
screenlocation = new Vector2(0, 0);
var pov = cameraManager.CameraCache.POV;
var rotation = pov.Rotation;
rotation.GetAxes(out var vAxisX, out var vAxisY, out var vAxisZ);
var vDelta = worldLocation - pov.Location;
var vTransformed = new Vector3(Vector3.DotProduct(vDelta, vAxisY), Vector3.DotProduct(vDelta, vAxisZ), Vector3.DotProduct(vDelta, vAxisX));
if (vTransformed.Z < 1f)
{
vTransformed.Z = 1f;
}
var fovAngle = pov.Fov;
var screenCenterX = Setting.Screen.Width / 2;
var screenCenterY = Setting.Screen.Height / 2;
screenlocation.X = screenCenterX + vTransformed.X * (screenCenterX / (float)Math.Tan(fovAngle * (float)Math.PI / 360)) / vTransformed.Z;
screenlocation.Y = screenCenterY - vTransformed.Y * (screenCenterX / (float)Math.Tan(fovAngle * (float)Math.PI / 360)) / vTransformed.Z;
//超出屏幕边界返回false
return(!(screenlocation.X > Setting.Screen.Width | screenlocation.Y > Setting.Screen.Height));
}
private bool WorldToScreen(Vector3 WorldLocation, PlayerCameraManager CameraManager, out Vector2 Screenlocation)
{
Screenlocation = new Vector2(0, 0);
var POV = CameraManager.CameraCache.POV;
FRotator Rotation = POV.Rotation;
Vector3 vAxisX, vAxisY, vAxisZ;
Rotation.GetAxes(out vAxisX, out vAxisY, out vAxisZ);
Vector3 vDelta = WorldLocation - POV.Location;
Vector3 vTransformed = new Vector3(Vector3.DotProduct(vDelta, vAxisY), Vector3.DotProduct(vDelta, vAxisZ), Vector3.DotProduct(vDelta, vAxisX));
if (vTransformed.Z < 1f)
{
vTransformed.Z = 1f;
}
float FovAngle = POV.Fov;
float ScreenCenterX = 2560 / 2;
float ScreenCenterY = 1440 / 2;
Screenlocation.X = ScreenCenterX + vTransformed.X * (ScreenCenterX / (float)Math.Tan(FovAngle * (float)Math.PI / 360)) / vTransformed.Z;
Screenlocation.Y = ScreenCenterY - vTransformed.Y * (ScreenCenterX / (float)Math.Tan(FovAngle * (float)Math.PI / 360)) / vTransformed.Z;
return(true);
}
