private Matrix GetUVTransform(Texture2D t, Vector2 offset, float scale, Viewport v)
{
return
(Matrix.CreateScale(t.Width, t.Height, 1f) *
Matrix.CreateScale(scale, scale, 1f) *
Matrix.CreateTranslation(offset.X, offset.Y, 0f) *
Camera.GetView(-scale + 1) *
Matrix.CreateScale(1f / v.Width, 1f / v.Height, 1f));
}
private void DrawCamera(Camera c)
{
c.SetViewport();
_s.Begin(transformMatrix: c.GetView(-1));
_s.Draw(_apos, new Vector2(0, 0), Color.White);
_s.Draw(_apos, new Vector2(200, 0), Color.White);
_s.End();
_basicEffect.World = Matrix.Identity;
_basicEffect.View = c.GetView3D();
_basicEffect.Projection = c.GetProjection3D();
_basicEffect.VertexColorEnabled = true;
GraphicsDevice.SetVertexBuffer(_vertexBuffer);
RasterizerState rasterizerState = new RasterizerState {
CullMode = CullMode.None
};
GraphicsDevice.RasterizerState = rasterizerState;
foreach (EffectPass pass in _basicEffect.CurrentTechnique.Passes)
{
pass.Apply();
GraphicsDevice.DrawPrimitives(PrimitiveType.TriangleList, 0, 2);
}
_s.Begin(transformMatrix: c.View);
_s.Draw(_apos, Vector2.Zero, Color.White);
_s.Draw(_apos, new Vector2(200, 0), Color.White);
_s.End();
_s.Begin();
_s.Draw(_apos, -c.VirtualViewport.XY + c.WorldToScreen(_mouseWorld), Color.White);
_s.End();
c.ResetViewport();
}