public override void Update(GameTime gameTime)
{
base.Update(gameTime);
if (shadowMap != null)
{
shadowMap.Draw(gameTime);
}
transformable.Update(gameTime);
}
public override void Update(GameTime gameTime)
{
base.Update(gameTime);
if (shadows)
{
if (game.World.Players[0] != null)
{
{
Vector3 v = game.World.Players[0].GlobalPosition +
(int)shadowMapCameraSizeLow.Y * 0.45f *
game.World.Players[0].Camera.GlobalTransformation.Forward;
float x = v.X;
float z = v.Z;
bool rotate = shadowMapCameraSizeLow.X != shadowMapCameraSizeLow.Y;
if (!rotate)
{
// texel size in world coordinates
float texelWidth = shadowMapCameraSizeLow.X / shadowMapLow.Width;
float texelHeight = shadowMapCameraSizeLow.Y / shadowMapLow.Height;
// truncate x and z to texel size to reduce flicker
x = (float)Math.Floor(x / texelWidth) * texelWidth;
z = (float)Math.Floor(z / texelHeight) * texelHeight;
}
shadowMapLow.Scene.Camera.LocalPosition = new Vector3(x, shadowMapCameraHeight, z);
if (rotate)
{
shadowMapLow.Scene.Camera.LocalRotation =
Quaternion.Concatenate(
Quaternion.CreateFromAxisAngle(new Vector3(1, 0, 0), -(float)Math.PI / 2),
Quaternion.CreateFromAxisAngle(new Vector3(0, 1, 0),
(float)
Math.Acos(
game.World.Players[0].Camera.GlobalTransformation
.
Forward.Z)
)
);
}
}
{
Vector3 v = game.World.Players[0].GlobalPosition +
(int)shadowMapCameraSizeHigh.Y * 0.3f *
game.World.Players[0].Camera.GlobalTransformation.Forward;
float x = v.X;
float z = v.Z;
bool rotate = shadowMapCameraSizeHigh.X != shadowMapCameraSizeHigh.Y;
if (!rotate)
{
// texel size in world coordinates
float texelWidth = shadowMapCameraSizeHigh.X / shadowMapHigh.Width;
float texelHeight = shadowMapCameraSizeHigh.Y / shadowMapHigh.Height;
// truncate x and z to texel size to reduce flicker
x = (float)Math.Floor(x / texelWidth) * texelWidth;
z = (float)Math.Floor(z / texelHeight) * texelHeight;
}
shadowMapHigh.Scene.Camera.LocalPosition = new Vector3(x, shadowMapCameraHeight, z);
if (rotate)
{
shadowMapHigh.Scene.Camera.LocalRotation =
Quaternion.Concatenate(
Quaternion.CreateFromAxisAngle(new Vector3(1, 0, 0), -(float)Math.PI / 2),
Quaternion.CreateFromAxisAngle(new Vector3(0, 1, 0),
(float)
Math.Acos(
game.World.Players[0].Camera.GlobalTransformation
.
Forward.Z)
)
);
}
}
}
shadowMapHigh.Draw(gameTime);
shadowMapLow.Draw(gameTime);
}
}