private SceneNodeBase GetRootNode(ICamera modelCamera)
{
var root = new GroupNode();
// render 'scene' to franebuffer.
{
int width = this.winGLCanvas1.Width, height = this.winGLCanvas1.Height;
var rtt = new RenderToTexttureNode(width, height, modelCamera, new ColoredFramebufferProvider());
rtt.BackgroundColor = Color.SkyBlue;
{
var teapot = TeapotNode.Create();
teapot.RenderWireframe = false;
rtt.Children.Add(teapot);// rendered to framebuffer, then to texture.
}
root.Children.Add(rtt);
this.rtt = rtt;
}
{
var group = new GroupNode();
// display 'scene' in rectangle.
{
var node = RectangleNode.Create();
node.TextureSource = this.rtt;
node.Scale = new vec3(1, 1, 1) * 6;
node.RotationAxis = new vec3(-1, 0, 0);
node.RotationAngle = 90;
group.Children.Add(node);
}
const float radius = 3;
// arcball.
{
var model = new HalfSphere(radius, 40, 40);
var node = NoShadowNode.Create(model, HalfSphere.strPosition, HalfSphere.strNormal, model.Size);
var list = node.RenderUnit.Methods[0].SwitchList;
var list1 = node.RenderUnit.Methods[1].SwitchList;
var polygonModeSwitch = new PolygonModeSwitch(PolygonMode.Line);
var offsetSwitch = new PolygonOffsetFillSwitch();
list.Add(polygonModeSwitch);
list1.Add(polygonModeSwitch);
var cmd = node.RenderUnit.Methods[0].VertexArrayObjects[0].DrawCommand as DrawElementsCmd;
cmd.VertexCount = cmd.VertexCount / 2; // render only half a sphere.
group.Children.Add(node);
}
// lines.
{
var node = LinesNode.Create(radius);
group.Children.Add(node);
this.linesNode = node;
}
// fan
{
var node = FanNode.Create(radius);
group.Children.Add(node);
this.fanNode = node;
}
root.Children.Add(group);
this.groupNode = group;
}
return(root);
}
private SceneNodeBase GetPropellerRTT()
{
var teapot = TeapotNode.Create();
teapot.Scale *= 0.5f;
int width = 600, height = 400;
var innerCamera = new Camera(new vec3(0, 2, 5), new vec3(0, 0, 0), new vec3(0, 1, 0), CameraType.Ortho, width, height);
var rtt = new RenderToTexttureNode(width, height, innerCamera, new ColoredFramebufferProvider());
rtt.Children.Add(teapot);
var billboard = TextureBillboardNode.Create(rtt as ITextureSource, width, height);
var group = new GroupNode();
group.Children.Add(rtt); // rtt must be before billboard.
group.Children.Add(billboard);
group.WorldPosition = new vec3(3, 0.5f, 0); // this looks nice.
var propeller = GetPropellerFlabellum();
propeller.Children.Add(group);
return(propeller);
}
private SceneNodeBase GetRootNode()
{
TeapotNode node = TeapotNode.Create();
node.RenderWireframe = false;
//(new FormProperyGrid(node)).Show();
return(node);
}
private SceneNodeBase GetRootNode()
{
var groupNode = new GroupNode();
{
var node = CubeNode.Create();
node.Scale = new vec3(1, 1, 1) * 4;
groupNode.Children.Add(node);
}
{
var node = TeapotNode.Create();
node.RenderWireframe = false;
groupNode.Children.Add(node);
}
return(groupNode);
}
private void FormMain_Load(object sender, EventArgs e)
{
var teapot = TeapotNode.Create();
this.teapot = teapot;
int width = 400, height = 200;
var rtt = new RenderToTexttureNode(width, height, new Camera(new vec3(0, 0, 5), new vec3(0, 0, 0), new vec3(0, 1, 0), CameraType.Perspecitive, width, height), new ColoredFramebufferProvider());
rtt.Children.Add(teapot);// rendered to framebuffer, then to texture.
this.rtt = rtt;
var rectangle = RectangleNode.Create();
//var rectangle = new LegacyRectangleRenderer();//LegacyRectangleRenderer dosen't work in rendering-to-texture.
rectangle.TextureSource = rtt;
rectangle.Scale = new vec3(7, 7, 7);
this.rectangle = rectangle;
var group = new GroupNode();
group.Children.Add(rtt);
group.Children.Add(rectangle);
var position = new vec3(5, 1, 4);
var center = new vec3(0, 0, 0);
var up = new vec3(0, 1, 0);
var camera = new Camera(position, center, up, CameraType.Perspecitive, this.winGLCanvas1.Width, this.winGLCanvas1.Height);
this.scene = new Scene(camera)
{
ClearColor = Color.SkyBlue.ToVec4(),
RootElement = group,
};
var list = new ActionList();
var transformAction = new TransformAction(scene);
list.Add(transformAction);
var renderAction = new RenderAction(scene);
list.Add(renderAction);
this.actionList = list;
}
private void FormMain_Load(object sender, EventArgs e)
{
var position = new vec3(5, 3, 4);
var center = new vec3(0, 0, 0);
var up = new vec3(0, 1, 0);
var camera = new Camera(position, center, up, CameraType.Perspecitive, this.winGLCanvas1.Width, this.winGLCanvas1.Height);
this.teapot = TeapotNode.Create();
teapot.Children.Add(new LegacyBoundingBoxNode(teapot.ModelSize));
var ground = GroundNode.Create(); ground.Color = Color.Gray.ToVec4(); ground.Scale *= 10; ground.WorldPosition = new vec3(0, -3, 0);
this.textNode = new DirectTextNode()
{
Text = "Color Coded Picking"
};
var group = new GroupNode(this.teapot, ground, this.textNode);
this.scene = new Scene(camera, this.winGLCanvas1)
{
RootElement = group,
};
var list = new ActionList();
var transformAction = new TransformAction(scene);
list.Add(transformAction);
var renderAction = new RenderAction(scene);
list.Add(renderAction);
this.actionList = list;
this.pickingAction = new PickingAction(scene);
this.triangleTip = new LegacyTriangleNode();
this.quadTip = new LegacyQuadNode();
this.chkRenderWireframe_CheckedChanged(this.chkRenderWireframe, EventArgs.Empty);
this.chkRenderBody_CheckedChanged(this.chkRenderBody, EventArgs.Empty);
// uncomment these lines to enable manipualter of camera!
//var manipulater = new FirstPerspectiveManipulater();
//manipulater.BindingMouseButtons = System.Windows.Forms.MouseButtons.Right;
//manipulater.Bind(camera, this.winGLCanvas1);
}
private void FormMain_Load(object sender, EventArgs e)
{
var position = new vec3(8, 6, 4) * 4;
var center = new vec3(0, 0, 0);
var up = new vec3(0, 1, 0);
var camera = new Camera(position, center, up, CameraType.Perspecitive, this.winGLCanvas1.Width, this.winGLCanvas1.Height);
this.teapot = TeapotNode.Create(); this.teapot.Scale *= 3;
teapot.Children.Add(new LegacyBoundingBoxNode(teapot.ModelSize));
string folder = System.Windows.Forms.Application.StartupPath;
var totalBmp = new Bitmap(System.IO.Path.Combine(folder, @"cubemaps_skybox.png"));
this.skybox = SkyboxNode.Create(totalBmp); this.skybox.Scale *= 60;
var group = new GroupNode(this.teapot, this.skybox);
this.scene = new Scene(camera)
{
RootNode = group,
};
var list = new ActionList();
var transformAction = new TransformAction(scene.RootNode);
list.Add(transformAction);
var renderAction = new RenderAction(scene);
list.Add(renderAction);
this.actionList = list;
var manipulater = new FirstPerspectiveManipulater();
manipulater.Bind(camera, this.winGLCanvas1);
this.pickingAction = new Picking(scene);
this.triangleTip = new LegacyTriangleNode();
this.quadTip = new LegacyQuadNode();
this.chkRenderWireframe_CheckedChanged(this.chkRenderWireframe, EventArgs.Empty);
this.chkRenderBody_CheckedChanged(this.chkRenderBody, EventArgs.Empty);
}