public static void Update(FrustumCone f, Vector3 origin, Matrix4 view, Matrix4 proj)
{
f.Origin = origin;
var inVP = Matrix4.Mult(view, proj).Inverted();
f.LeftBottom = GetDir(origin, new Vector2(-1, -1), inVP);
f.RightBottom = GetDir(origin, new Vector2(1, -1), inVP);
f.LeftTop = GetDir(origin, new Vector2(-1, 1), inVP);
f.RightTop = GetDir(origin, new Vector2(1, 1), inVP);
}
public static void Update(FrustumCone f, Vector3 origin, Matrix4 view, Matrix4 proj)
{
f.Origin = origin;
var inVP = Matrix4.Mult(view, proj).Inverted();
f.LeftBottom = GetDir(origin, new Vector2(-1, -1), inVP);
f.RightBottom = GetDir(origin, new Vector2(1, -1), inVP);
f.LeftTop = GetDir(origin, new Vector2(-1, 1), inVP);
f.RightTop = GetDir(origin, new Vector2(1, 1), inVP);
}
public static FrustumCone Create(Vector3 origin, Matrix4 view, Matrix4 proj)
{
var f = new FrustumCone();
f.Origin = origin;
var inVP = Matrix4.Mult(view, proj).Inverted();
f.LeftBottom = GetDir(origin, new Vector2(-1, -1), inVP);
f.RightBottom = GetDir(origin, new Vector2(1, -1), inVP);
f.LeftTop = GetDir(origin, new Vector2(-1, 1), inVP);
f.RightTop = GetDir(origin, new Vector2(1, 1), inVP);
return f;
}
public static FrustumCone Create(Vector3 origin, Matrix4 view, Matrix4 proj)
{
var f = new FrustumCone();
f.Origin = origin;
var inVP = Matrix4.Mult(view, proj).Inverted();
f.LeftBottom = GetDir(origin, new Vector2(-1, -1), inVP);
f.RightBottom = GetDir(origin, new Vector2(1, -1), inVP);
f.LeftTop = GetDir(origin, new Vector2(-1, 1), inVP);
f.RightTop = GetDir(origin, new Vector2(1, 1), inVP);
return(f);
}
public void Update()
{
lock (Transformation)
{
var tRotationMatrix = Matrix4.CreateFromQuaternion(Transformation.GetOrientation().Inverted());
var tViewMatrix = Matrix4.CreateTranslation(-Transformation.GetPosition()) * RotationMatrix;
if (cone == null)
{
var tcone = FrustumCone.Create(Transformation.GetPosition(), tViewMatrix, ProjectionMatrix);
cone = tcone;
}
else
{
FrustumCone.Update(cone, Transformation.GetPosition(), tViewMatrix, ProjectionMatrix);
}
RotationMatrix = tRotationMatrix;
ViewMatrix = tViewMatrix;
VPMatrix = Matrix4.Mult(ViewMatrix, ProjectionMatrix);
}
}
public void UpdateFromRollPitch()
{
lock (Transformation)
{
var rotationX = Quaternion.FromAxisAngle(Vector3.UnitY, Pitch);
var rotationY = Quaternion.FromAxisAngle(Vector3.UnitX, Roll);
Transformation.SetOrientation(Quaternion.Multiply(rotationX.Inverted(), rotationY.Inverted()));
var tRotationMatrix = Matrix4.CreateFromQuaternion(rotationX) * Matrix4.CreateFromQuaternion(rotationY);
var tViewMatrix = Matrix4.CreateTranslation(-Transformation.GetPosition()) * RotationMatrix;
if (cone == null)
{
var tcone = FrustumCone.Create(Transformation.GetPosition(), tViewMatrix, ProjectionMatrix);
cone = tcone;
}
else
{
FrustumCone.Update(cone, Transformation.GetPosition(), tViewMatrix, ProjectionMatrix);
}
RotationMatrix = tRotationMatrix;
ViewMatrix = tViewMatrix;
VPMatrix = Matrix4.Mult(ViewMatrix, ProjectionMatrix);
}
}
public void UpdateFromRollPitch()
{
var rotationX = Quaternion.FromAxisAngle(Vector3.UnitY, Pitch);
var rotationY = Quaternion.FromAxisAngle(Vector3.UnitX, Roll);
Transformation.SetOrientation(Quaternion.Multiply(rotationX.Inverted(), rotationY.Inverted()));
RotationMatrix = Matrix4.CreateFromQuaternion(rotationX) * Matrix4.CreateFromQuaternion(rotationY);
ViewMatrix = Matrix4.CreateTranslation(-Transformation.GetPosition()) * RotationMatrix;
if(cone == null)
{
var tcone = FrustumCone.Create(Transformation.GetPosition(), ViewMatrix, ProjectionMatrix);
cone = tcone;
}
else
FrustumCone.Update(cone, Transformation.GetPosition(), ViewMatrix, ProjectionMatrix);
}
public void Update()
{
lock (Transformation)
{
var tRotationMatrix = Matrix4.CreateFromQuaternion(Transformation.GetOrientation().Inverted());
var tViewMatrix = Matrix4.CreateTranslation(-Transformation.GetPosition()) * RotationMatrix;
if(cone == null)
{
var tcone = FrustumCone.Create(Transformation.GetPosition(), tViewMatrix, ProjectionMatrix);
cone = tcone;
} else FrustumCone.Update(cone, Transformation.GetPosition(), tViewMatrix, ProjectionMatrix);
RotationMatrix = tRotationMatrix;
ViewMatrix = tViewMatrix;
}
}
