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 Form1()
{
InitializeComponent();
SceneContainer sceneContainer = new SceneContainer();// paint container
addRoomObjects(sceneContainer);
sceneContainer.AddChild(new Axies()); // paints the x,y and z axis
arcBallEffect = new ArcBallEffect(sceneControl1.Scene.CurrentCamera as LookAtCamera); // implements rotation per mouse move
sceneContainer.AddEffect(arcBallEffect);
sceneControl1.Scene.SceneContainer.AddChild(sceneContainer);
arcBallEffect.SetViewMode(ViewMode.NO);// look diagonaly on the object
// Hide bounding box
toolStripButtonShowBoundingVolumes_Click(this, new EventArgs());
}
private void Create3DObject(object sender, EventArgs e)
{
try
{
int nx = this.ToInt(this.tbNX);
int ny = this.ToInt(this.tbNY);
int nz = this.ToInt(this.tbNZ);
float radius = this.ToFloat(this.tbRadius);
float minValue = this.ToFloat(this.tbRangeMin);
float maxValue = this.ToFloat(this.tbRangeMax);
if (minValue >= maxValue)
{
throw new ArgumentException("min value equal or equal to maxValue");
}
//生成需要画的模型
ColorVertexes colorVertexes = ColorVertexesFactory.Create(nx, ny, nz, radius, minValue, maxValue);
ColorVertexesElement visualElement = new ColorVertexesElement(colorVertexes);
//output(particles);
Rect3D rect3D = colorVertexes.Bounds;
Scene scene = new Scene();
this.arcBallEffect = new ArcBallEffect();
//initialize Scene3D
InitializeModelScene(scene, colorVertexes.Bounds, this.sceneControl1, this.arcBallEffect);
this.sceneControl1.Scene = scene;
scene.SceneContainer.AddChild(visualElement);
visualElement.AddEffect(this.arcBallEffect);
this.sceneControl1.Invalidate();
}
catch (Exception error)
{
MessageBox.Show(error.Message);
}
}
private void iniCameraEffect()
{
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);
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);
foreach (var e in sceneControl1.Scene.SceneContainer.Traverse())
{
if (!isPolygon(e))
{
e.AddEffect(axisArcBallEffect);
}
}
}
private void InitElements(Scene scene)
{
var objectRoot = new SharpGL.SceneGraph.Primitives.Folder()
{
Name = "Root"
};
scene.SceneContainer.AddChild(objectRoot);
// 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);
var axisRoot = new SharpGL.SceneGraph.Primitives.Folder()
{
Name = "axis root"
};
scene.SceneContainer.AddChild(axisRoot);
axisArcBallEffect = new Figures.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);
InitAxis(objectRoot);
InitAxis(axisRoot);
InitFrameElement(1, 1, 1, objectRoot);
InitGridElement(-5, -5, 0, 10, 10, objectRoot);
}
private void InitializeModelScene(Scene scene, Rect3D rect3D, OpenGLControl sceneControl, ArcBallEffect arcBallEffect)
{
float centerX = rect3D.X + rect3D.Size.x / 2.0f;
float centerY = rect3D.Y + rect3D.Size.y / 2.0f;
float centerZ = rect3D.Z + rect3D.Size.z / 2.0f;
//scene.CreateInContext(scenContor);
Vertex center = new Vertex(centerX, centerY, centerZ);
Vertex position = center + new Vertex(0.0f, 0.0f, 1.0f) * (rect3D.Size.z * 2);
Vertex PositionNear = center + new Vertex(0.0f, 0.0f, 1.0f) * (rect3D.Size.z * 0.52f);
//arcBallEffect.
var lookAtCamera = new LookAtCamera()
{
Position = position,
Target = center,
UpVector = new Vertex(0f, 1f, 0f),
FieldOfView = 60,
AspectRatio = 1.0f,
Near = (PositionNear - center).Z,
Far = float.MaxValue
};
scene.CurrentCamera = lookAtCamera;
Vertex lightPosition = center;
Light light1 = new Light()
{
Name = "Light 1",
On = true,
Position = lightPosition,
GLCode = OpenGL.GL_LIGHT0
};
/*
* Light light2 = new Light()
* {
* Name = "Light 2",
* On = true,
* Position = center + new Vertex(1.0f,0.0f,0.0f)* rect3D.Size.x,
* GLCode = OpenGL.GL_LIGHT1
* };
*
* Light light3 = new Light()
* {
* Name = "Light 3",
* On = true,
* Position = center + new Vertex(0.0f,1.0f,0.0f)*rect3D.Size.y,
* GLCode = OpenGL.GL_LIGHT2
* };
*/
var folder = new Folder()
{
Name = "Lights"
};
folder.AddChild(light1);
//folder.AddChild(light2);
//folder.AddChild(light3);
scene.SceneContainer.AddChild(folder);
// 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 = true;
sceneAttributes.EnableAttributes.EnableTexture2D = true;
sceneAttributes.EnableAttributes.EnableBlend = true;
sceneAttributes.ColorBufferAttributes.BlendingSourceFactor = BlendingSourceFactor.SourceAlpha;
sceneAttributes.ColorBufferAttributes.BlendingDestinationFactor = BlendingDestinationFactor.OneMinusSourceAlpha;
sceneAttributes.LightingAttributes.TwoSided = true;
scene.SceneContainer.AddEffect(sceneAttributes);
sceneControl.OpenGL.SetDimensions(sceneControl.Width, sceneControl.Height);
scene.Resize(sceneControl.Width, sceneControl.Height);
}
