public static Matrix CreateBillboard(
Vector3 objectPosition,
Vector3 cameraPosition,
Vector3 cameraUp,
Vector3? cameraForward)
{
return new Matrix(Matrix4x4.CreateBillboard(objectPosition, cameraPosition, cameraUp, cameraForward));
}
public DrawableQuad(Vector3 origin, float width, float height, Vector3 normal, Vector3 up, float uvX = 1.0f, float uvY = 1.0f)
{
_ready = false;
vertices = new VertexPositionNormalTexture[4];
indices = new int[6];
_origin = origin;
_normal = normal;
_up = up;
_left = Vector3.Cross(_normal, _up);
Vector3 upperCenter = (_up * height / 2) + origin;
_upperLeft = upperCenter + (_left * width / 2);
_upperRight = upperCenter - (_left * width / 2);
_lowerLeft = _upperLeft - (_up * height);
_lowerRight = _upperRight - (_up * height);
FillVertices(uvX,uvY);
}
public static Vector3 Hermite(Vector3 v1,Vector3 t1, Vector3 v2, Vector3 t2, float amount)
{
return new Vector3(Vector.Hermite(v1,t1, v2,t2, amount));
}
public static float DistanceSquared(Vector3 v1, Vector3 v2)
{
return Vector.DistanceSquared(v1, v2);
}
public static Vector3 Cross(Vector3 v1, Vector3 v2)
{
return new Vector3(Vector.Cross(v1, v2));
}
public static Vector3 Clamp(Vector3 val, Vector3 min,Vector3 max)
{
return new Vector3(Vector.Clamp(val, min, max));
}
public static Vector3 CatmullRom(Vector3 v1, Vector3 v2, Vector3 v3, Vector3 v4, float amount)
{
return new Vector3(Vector.CatmullRom(v1, v2, v3, v4, amount));
}
public static Matrix CreateLookAt(Vector3 pos, Vector3 target, Vector3 up)
{
return new Matrix(Matrix4x4.CreateLookAt(pos, target, up));
}
public static Vector3 Slerp(Vector3 v1, Vector3 v2, float amount)
{
return new Vector3(Vector.SmoothStep(v1, v2, amount));
}
public static Matrix CreateConstrainedBillboard(
Vector3 objectPosition,
Vector3 cameraPosition,
Vector3 rotateAxis,
Vector3? cameraForward,
Vector3? objectForward)
{
return new Matrix(Matrix4x4.CreateConstrainedBillboard(objectPosition, cameraPosition, rotateAxis, cameraForward, objectForward));
}
public static Matrix CreateWorld(Vector3 pos, Vector3 forward, Vector3 up)
{
return new Matrix(Matrix4x4.CreateWorld(pos, forward, up));
}
public static Matrix CreateTranslation(Vector3 pos)
{
return new Matrix(Matrix4x4.CreateTranslation(pos));
}
public static Matrix CreateScale(Vector3 scale)
{
return new Matrix(Matrix4x4.CreateScale(scale));
}
public static Vector3 Lerp(Vector3 v1, Vector3 v2, float amount)
{
return new Vector3(Vector.Lerp(v1, v2, amount));
}
public static Quaterion FromAxisAngle(Vector3 axis, float angle)
{
return Quat.CreateFromAxisAngle(axis,angle);
}
public static Vector3 Reflect(Vector3 v, Vector3 n)
{
return Vector.Reflect(v, n);
}
public static Vector3 Barycentric(Vector3 v1, Vector3 v2, Vector3 v3, float a1,float a2)
{
return new Vector3(Vector.Barycentric(v1, v2, v3, a1,a2));
}
public static Vector3 Transform(Vector3 val, Matrix transform)
{
return new Vector3(Vector.Transform(val,transform));
}
public BoundingSphere(Vector3 center, float radius)
{
_sphere = new Sphere(center, radius);
}
