private void InitElements(Scene scene)
{
// This implements free rotation(with translation and rotation).
var camera = GetCamera();
objectArcBallEffect = new ArcBallEffect(
camera.Position.X, camera.Position.Y, camera.Position.Z,
camera.Target.X, camera.Target.Y, camera.Target.Z,
camera.UpVector.X, camera.UpVector.Y, camera.UpVector.Z);
//objectRoot.AddEffect(objectArcBallEffect);
axisArcBallEffect = new ArcBallEffect(camera.Position.X,
camera.Position.Y, camera.Position.Z,
camera.Target.X, camera.Target.Y, camera.Target.Z,
camera.UpVector.X, camera.UpVector.Y, camera.UpVector.Z);
//axisRoot.AddEffect(axisArcBallEffect);
InitLight(sceneControl1.Scene.SceneContainer);
var grid = new Grid()
{
Name = "网格"
};
grid.AddEffect(objectArcBallEffect);
sceneControl1.Scene.SceneContainer.AddChild(grid);
Axies axies = new Axies()
{
Name = "坐标系"
};
axies.AddEffect(objectArcBallEffect);
sceneControl1.Scene.SceneContainer.AddChild(axies);
}
public void RenderRetainedMode(SharpGL.OpenGL openGL)
{
var axies = new Axies();
axies.Render(openGL, RenderMode.Design);
if (DrawAll == true)
{
foreach (var mesh in MainWindowViewModel.Meshes)
{
mesh.Draw(openGL);
}
}
else
{
if (MainWindowViewModel.SelectedMesh != null)
{
MainWindowViewModel.SelectedMesh.Draw(openGL);
MainWindowViewModel.SelectedMesh.Transformation.TranslateX = TranslateX;
MainWindowViewModel.SelectedMesh.Transformation.TranslateY = TranslateY;
MainWindowViewModel.SelectedMesh.Transformation.TranslateZ = TranslateZ;
MainWindowViewModel.SelectedMesh.Transformation.RotateX = RotateX;
MainWindowViewModel.SelectedMesh.Transformation.RotateY = RotateY;
MainWindowViewModel.SelectedMesh.Transformation.RotateZ = RotateZ;
MainWindowViewModel.SelectedMesh.Transformation.Depth = Depth;
}
}
}
public void RenderRetainedMode(SharpGL.OpenGL openGL)
{
var axies = new Axies();
axies.Render(openGL, RenderMode.Design);
if (DrawAll == true)
{
foreach (var mesh in Meshes)
{
mesh.Draw(openGL);
}
if (SelectedMesh != null)
{
EditMesh();
}
}
else
{
if (SelectedMesh != null)
{
SelectedMesh.Draw(openGL);
EditMesh();
}
}
}
private void 坐标系ToolStripMenuItem_Click(object sender, EventArgs e)
{
Axies axies = new Axies()
{
Name = "坐标系"
};
axies.AddEffect(axisArcBallEffect);
sceneControl1.Scene.SceneContainer.AddChild(axies);
treeView1.Nodes.Clear();
AddElementToTree(sceneControl1.Scene.SceneContainer, treeView1.Nodes);
}
/// <summary>
///
/// </summary>
/// <param name="camera">if null, please set camera for result's orthoArcBallEffect.Camera property later.</param>
/// <returns></returns>
public static OrthoAxisElement Create(LookAtCamera camera = null)
{
OrthoAxisElement element = new OrthoAxisElement()
{
Name = "orthogonal axis element"
};
// Create a set of scene attributes.
OpenGLAttributesEffect sceneAttributes = new OpenGLAttributesEffect()
{
Name = "Scene Attributes"
};
// Specify the scene attributes.
sceneAttributes.EnableAttributes.EnableDepthTest = true;
sceneAttributes.EnableAttributes.EnableNormalize = true;
sceneAttributes.EnableAttributes.EnableLighting = false;
//sceneAttributes.EnableAttributes.EnableTexture2D = true;
//sceneAttributes.EnableAttributes.EnableBlend = true;
//sceneAttributes.ColorBufferAttributes.BlendingSourceFactor = BlendingSourceFactor.SourceAlpha;
//sceneAttributes.ColorBufferAttributes.BlendingDestinationFactor = BlendingDestinationFactor.OneMinusSourceAlpha;
//sceneAttributes.LightingAttributes.TwoSided = true;
//sceneAttributes.TransformAttributes.MatrixMode = MatrixMode.Projection;
element.AddEffect(sceneAttributes);
OrthoArcBallEffect orthoAxisArcBallEffect = new OrthoArcBallEffect(camera);
element.AddEffect(orthoAxisArcBallEffect);
Axies axies = new Axies();
element.AddChild(axies);
LinearTransformationEffect transform = new LinearTransformationEffect();
transform.LinearTransformation.ScaleX = 10;
transform.LinearTransformation.ScaleY = 10;
transform.LinearTransformation.ScaleZ = 10;
axies.AddEffect(transform);
//Grid grid = new Grid();
//element.AddChild(grid);
//LinearTransformationEffect transform = new LinearTransformationEffect();
//transform.LinearTransformation.ScaleX = 0.1f;
//transform.LinearTransformation.ScaleY = 0.1f;
//transform.LinearTransformation.ScaleZ = 0.1f;
//grid.AddEffect(transform);
element.orthoArcBallEffect = orthoAxisArcBallEffect;
return(element);
}
public SceneModel()
{
WorldAxies = new Axies();
OrientationGrid = new Grid()
{
IsEnabled = true,
};
SceneObjectModels = new ObservableCollection <SceneObjectModel>();
Errors = new ObservableCollection <MessageViewModel>();
// [RS] Set translation as initial object transformation tool.
SwitchToTranslationCommand.Execute(null);
}
/// <summary>
/// Construct a new scene, optionally enableing post-processing, if available.
/// </summary>
/// <param name="postprocessingEnabled">Whether or not to enable post-processing; defaults to false</param>
public Scene(OpenGL gl, Size viewportSize)
{
this.gl = gl;
this.viewportSize = viewportSize;
model = null;
postprocessingEnabled = false;
ClearColor = Color.Black;
camera = new MovingLookAtCamera()
{
Position = new Vertex(10f, 0f, 0f),
Target = new Vertex(0f, 0f, 0f),
UpVector = new Vertex(0f, 0f, 1f),
Near = 0,
Far = 250,
HorizontalTheta = 0.785f,
VerticalTheta = -0.785f
};
RenderGrid = true;
RenderAxies = true;
grid = new Grid();
grid.Size = 150;
axies = new Axies();
axies.Size = 150;
//Set attributes
attrs = new OpenGLAttributesEffect();
attrs.EnableAttributes.EnableDepthTest = true;
attrs.EnableAttributes.EnableNormalize = true;
attrs.EnableAttributes.EnableLighting = true;
attrs.EnableAttributes.EnableTexture2D = true;
attrs.LightingAttributes.TwoSided = false;
Color col = Color.FromArgb(40, 40, 40);
// Nice soft-ish lighting
Light light = new Light(OpenGL.GL_LIGHT0)
{
Position = new Vertex(-9, -9, 11),
Ambient = Color.Black,
Diffuse = col,
Specular = col
};
this.Children.Add(light);
light = new Light(OpenGL.GL_LIGHT1)
{
Position = new Vertex(9, -9, 11),
Ambient = Color.Black,
Diffuse = col,
Specular = col
};
this.Children.Add(light);
light = new Light(OpenGL.GL_LIGHT2)
{
Position = new Vertex(0, 15, 15),
Ambient = Color.Black,
Diffuse = col,
Specular = col
};
this.Children.Add(light);
}
private void openGLControl1_OpenGLDraw(object sender, SharpGL.RenderEventArgs args)
{
float u = 0;
float v = 0;
float deltaU = 0.01f;
float deltaV = 0.01f;
float step = 0.1f;
float endU = 1.0f;
float endV = 1.0f;
float c = 0.2f;
float x = 0, y = 0, z = 0;
float b = 0.5f, a = 1.0f, p = 3.0f;
float[] light_specular_color = { 1.0f, 1.0f, 1.0f, 1.0f };
float[] light_ambient_color = { 0.0f, 0.39f, 0.0f, 1.0f };
float[] light_diffuse_color = { 1.0f, 1.0f, 1.0f, 1.0f };
float[] light_position = { 100.0f, 2.0f, -100.0f, 0.0f };
float[] positional_light = { 10.0f, 100.0f, -20.0f };
Vector vecColorM = new Vector(1.0f, 0.0f, 0.0f); //blue
Vector vecColorL = new Vector(1.0f, 1.0f, 1.0f); //white
//Vector vecLight = new Vector(50.0f, 1.0f, 0.0f);
Vector vecViewer = new Vector(-20.0f, 4.0f, -10.0f);
Vector normal;
Vector light;
Vector vecReflected;
Vector vecLight = new Vector(0, 0, 0);
float shining = 1.0f;
OpenGL gl = this.openGLControl1.OpenGL;
gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
gl.LoadIdentity();
gl.Color(0.0, 0.0, 1.0);
gl.Translate(0, 2.0, -20);
gl.Rotate(angx, 0, angx);
gl.PolygonMode(SharpGL.Enumerations.FaceMode.FrontAndBack, SharpGL.Enumerations.PolygonMode.Filled);
angx += 0.5f;
//gl.Enable(OpenGL.GL_LIGHTING);
//gl.Enable(OpenGL.GL_LIGHT0);
//gl.Enable(OpenGL.GL_NORMALIZE);
//gl.Light(SharpGL.Enumerations.LightName.Light0, SharpGL.Enumerations.LightParameter.Ambient, light_ambient_color);
//gl.Light(SharpGL.Enumerations.LightName.Light0, SharpGL.Enumerations.LightParameter.Diffuse, light_diffuse_color);
//gl.Light(SharpGL.Enumerations.LightName.Light0, SharpGL.Enumerations.LightParameter.Specular, light_specular_color);
//gl.Light(SharpGL.Enumerations.LightName.Light0, SharpGL.Enumerations.LightParameter.Position, light_position);
for (u = 0; u <= 4.0 * Math.PI; u += step)
{
gl.Begin(OpenGL.GL_TRIANGLE_STRIP);
float f = 0;
for (v = 5.0f; v <= 7.0f; v += step)
{
x = (v * (float)Math.Cos(u));
y = (v * (float)Math.Sin(u));
z = b * u + a * (float)Math.Sin(p * u);
normal = VectorOperations.GetNormal(u, v, deltaU, deltaV, a, b, p);
//gl.Normal(normal.X, normal.Y, normal.Z);
vecReflected = calculateReflectedVec(vecLight, normal);
vecLight.X = (x - positional_light[0]);
vecLight.Y = (y - positional_light[1]);
vecLight.Z = (z - positional_light[2]);
light = calculateLightCos(vecColorM, vecColorL, vecLight, normal, vecReflected, vecViewer, shining);
gl.Color(light.X, light.Y, light.Z);
gl.Vertex(x, y, z);
x = (v * (float)Math.Cos(u + step));
y = (v * (float)Math.Sin(u + step));
z = b * (u + step) + a * (float)Math.Sin(p * (u + step));
normal = VectorOperations.GetNormal((u + step), v, deltaU, deltaV, a, b, p);
//gl.Normal(normal.X, normal.Y, normal.Z);
vecReflected = calculateReflectedVec(vecLight, normal);
vecLight.X = (x - positional_light[0]);
vecLight.Y = (y - positional_light[1]);
vecLight.Z = (z - positional_light[2]);
light = calculateLightCos(vecColorM, vecColorL, vecLight, normal, vecReflected, vecViewer, shining);
gl.Color(light.X, light.Y, light.Z);
gl.Vertex(x, y, z);
}
gl.End();
}
Axies ax = new Axies();
ax.Render(gl, SharpGL.SceneGraph.Core.RenderMode.Design);
gl.Flush();
}
