public static Point _BakMousePosition = new Point(0, 0); //記錄原游標位置
public static void OpenGLCtrl_MouseMove(object sender, MouseEventArgs e)
{
OpenGLCtrl ctrl = (OpenGLCtrl)sender;
if (_3DMoveStatus == MoveStatus.Rotate)
{
_RoX += (e.X - _BakMousePosition.X) / 5.0f;
_RoY += isNav * (e.Y - _BakMousePosition.Y) / 5.0f;
if (_RoX < 0)
{
_RoX += 360;
}
else if (_RoX > 360)
{
_RoX -= 360;
}
if (_RoY < 0)
{
_RoY += 360;
}
else if (_RoY > 360)
{
_RoY -= 360;
}
}
else if (_3DMoveStatus == MoveStatus.Shift)
{
_LX += (e.X - _BakMousePosition.X) / (70.0f + _LZ);
_LY += (_BakMousePosition.Y - e.Y) / (70.0f + _LZ);
}
_BakMousePosition.X = e.X;
_BakMousePosition.Y = e.Y;
}
private void UserControl_Loaded(object sender, RoutedEventArgs e)
{
try
{
if (double.Parse(OpenGLCtrl.OpenGL.Version.Substring(0, 3)) < 4.0)
{
OpenGLCtrl.OpenGLVersion = SharpGL.Version.OpenGLVersion.OpenGL4_0;
}
if (OpenGLCtrl.RenderContextType != RenderContextType.FBO)
{
OpenGLCtrl.RenderContextType = RenderContextType.FBO;
}
OpenGLCtrl.FrameRate = 60;
OpenGLCtrl.OnApplyTemplate();
//Set the default OpenGLControl handlers to prevent SharpGL error messages.
OpenGLCtrl.OpenGLInitialized += GLControl_OpenGLInitialized;
OpenGLCtrl.OpenGLDraw += GLControl_OpenGLDraw;
OpenGLCtrl.Resized += GLControl_Resized;
}
catch (Exception ex)
{
MessageBox.Show("WPF.OpenGLControl settings caused exception: " + ex.Message, "GLScene Error.", MessageBoxButton.OK, MessageBoxImage.Error);
}
my_gl = OpenGLCtrl.OpenGL;
//Specify the attribute locations
my_AttributeLocations = new Dictionary <uint, string>
{
{ positionAttribute, "Position" },
{ normalAttribute, "Normal" },
{ colorAttribute, "Color" },
{ textureAttribute, "Texture" }
};
//Check version before creating shaders.
//TODO: This could allow to switch to Immediate mode??
if (double.Parse(my_gl.Version.Substring(0, 3)) < 2.0)
{
throw new Exception("OpenGL version " + double.Parse(my_gl.Version.Substring(0, 3)) + " does not allow use of shaders.");
}
//Create the shaderProgram.
my_Shader = new ShaderProgram();
if (!my_UpdateShader) //No Shaders were defined so use the default shaders
{
LoadDefaultShaders();
UpdateShaders();
}
CreateProjectionMatrix(0.45F, ActualWidth, ActualHeight, 1, 300);
if (my_UpdateLights)
{
UpdateLights();
my_UpdateLights = false;
}
//Set the scene background color.
if (Background != null)
{
my_Background = (Color)ColorConverter.ConvertFromString(Background.ToString());
my_gl.ClearColor(my_Background.ScR, my_Background.ScG, my_Background.ScB, my_Background.ScA);
}
SceneIsLoaded = true;
}
