internal IntPtr GetRecalculatedViewMatrix()
{
lock (InstanceMutationLock) {
if (isDisposed)
{
return(IntPtr.Zero);
}
Vector3 u = _UpDirection * _Orientation;
Vector3 v = _Orientation * u;
// ReSharper disable once ImpureMethodCallOnReadonlyValueField Resharper bug, Write is not impure
viewMatrix.Write(new Matrix(
r0C0: u.X, r1C0: u.Y, r2C0: u.Z,
r0C1: v.X, r1C1: v.Y, r2C1: v.Z,
r0C2: _Orientation.X, r1C2: _Orientation.Y, r2C2: _Orientation.Z,
r3C0: Vector3.Dot(_Position, -u),
r3C1: Vector3.Dot(_Position, -v),
r3C2: Vector3.Dot(_Position, -_Orientation),
r3C3: 1f
));
return(viewMatrix.AlignedPointer);
}
}
internal IntPtr GetRecalculatedProjectionMatrix(Camera camera)
{
Assure.NotNull(camera);
lock (TargetWindow.WindowMutationLock) {
if (isDisposed)
{
return(IntPtr.Zero);
}
if (camera.OrthographicDimensions != null)
{
projectionMatrix.Write(new Matrix(
r0C0: 2f / camera.OrthographicDimensions.Value.X,
r1C1: 2f / camera.OrthographicDimensions.Value.Y,
r2C2: 1f / (camera.OrthographicDimensions.Value.Z - NearPlaneDist),
r2C3: -NearPlaneDist / (camera.OrthographicDimensions.Value.Z - NearPlaneDist),
r3C3: 1f
).Transpose);
}
else
{
float verticalFOV = camera.GetVerticalFOV(AspectRatio);
projectionMatrix.Write(new Matrix(
r0C0: 1f / (AspectRatio * (float)Math.Tan(verticalFOV / 2f)),
r1C1: 1f / (float)Math.Tan(verticalFOV / 2f),
r2C2: FarPlaneDist / (FarPlaneDist - NearPlaneDist),
r2C3: 1f,
r3C2: (-NearPlaneDist * FarPlaneDist) / (FarPlaneDist - NearPlaneDist)
));
}
return(projectionMatrix.AlignedPointer);
}
}
protected Entity()
{
EntityModule.AddActiveEntity(this);
transform.Write(Transform.DEFAULT_TRANSFORM);
}