private void ColorNode_MouseDown(object sender, MouseEventArgs e)
{
var colorNode = new Node("Color");
colorNode.Location = new Point(200, 50);
var redChannel = new NodeSliderItem("R", 64.0f, 16.0f, 0, 1.0f, 0.0f);
var greenChannel = new NodeSliderItem("G", 64.0f, 16.0f, 0, 1.0f, 0.0f);
var blueChannel = new NodeSliderItem("B", 64.0f, 16.0f, 0, 1.0f, 0.0f);
var colorItem = new NodeColorItem("Color", Color.Black, NodeIOMode.Output) { Tag = TagType.COLOR };
EventHandler<NodeItemEventArgs> channelChangedDelegate = delegate(object s, NodeItemEventArgs args)
{
var red = redChannel.Value;
var green = greenChannel.Value;
var blue = blueChannel.Value;
colorItem.Color = Color.FromArgb((int)Math.Round(red * 255), (int)Math.Round(green * 255), (int)Math.Round(blue * 255));
};
redChannel.ValueChanged += channelChangedDelegate;
greenChannel.ValueChanged += channelChangedDelegate;
blueChannel.ValueChanged += channelChangedDelegate;
colorNode.AddItem(redChannel);
colorNode.AddItem(greenChannel);
colorNode.AddItem(blueChannel);
colorItem.Clicked += new EventHandler<NodeItemEventArgs>(OnColClicked);
colorNode.AddItem(colorItem);
this.DoDragDrop(colorNode, DragDropEffects.Copy);
}
public Node CreateNode()
{
var colorNode = new Node(GetNodeName());
colorNode.Location = new Point(200, 50);
var redChannel = new NodeSliderItem("R", 64.0f, 16.0f, 0, 1.0f, 0.0f, false, false) { Tag = "red" };
var greenChannel = new NodeSliderItem("G", 64.0f, 16.0f, 0, 1.0f, 0.0f, false, false) { Tag = "green" };
var blueChannel = new NodeSliderItem("B", 64.0f, 16.0f, 0, 1.0f, 0.0f, false, false) { Tag = "blue" };
var colorItem = new NodeColorItem("Color", Color.Black, false, true, null, new[] {
typeof(ShaderTypes.float3) })
{ Tag = "out" };
EventHandler<NodeItemEventArgs> channelChangedDelegate = delegate(object sender, NodeItemEventArgs args)
{
var red = redChannel.Value;
var blue = blueChannel.Value;
var green = greenChannel.Value;
colorItem.Color = Color.FromArgb((int)Math.Round(red * 255), (int)Math.Round(green * 255), (int)Math.Round(blue * 255));
colorItem.OutputData = new ShaderTypes.float3()
{
x = red,
y = green,
z = blue
};
};
redChannel.ValueChanged += channelChangedDelegate;
greenChannel.ValueChanged += channelChangedDelegate;
blueChannel.ValueChanged += channelChangedDelegate;
EventHandler<NodeItemEventArgs> endDragDelegate = delegate(object sender, NodeItemEventArgs args)
{
var outArgs = new NodeItemEventArgs(colorItem);
args.Item.Node.UpdateOutput(outArgs);
};
redChannel.EndDrag += endDragDelegate;
greenChannel.EndDrag += endDragDelegate;
blueChannel.EndDrag += endDragDelegate;
colorNode.AddItem(redChannel);
colorNode.AddItem(greenChannel);
colorNode.AddItem(blueChannel);
colorItem.Clicked += new EventHandler<NodeItemEventArgs>(OnColClicked);
colorNode.AddItem(colorItem);
colorNode.ParentModule = this;
colorItem.OutputData = new ShaderTypes.float3()
{
x = 0,
y = 0,
z = 0
};
return colorNode;
}
public ExampleForm()
{
InitializeComponent();
graphControl.CompatibilityStrategy = new TagTypeCompatibility();
var someNode = new Node("My Title");
someNode.Location = new Point(500, 100);
var check1Item = new NodeCheckboxItem("Check 1", true, false) { Tag = 31337 };
someNode.AddItem(check1Item);
someNode.AddItem(new NodeCheckboxItem("Check 2", true, false) { Tag = 42f });
graphControl.AddNode(someNode);
var colorNode = new Node("Color");
colorNode.Location = new Point(200, 50);
var redChannel = new NodeSliderItem("R", 64.0f, 16.0f, 0, 1.0f, 0.0f, false, false);
var greenChannel = new NodeSliderItem("G", 64.0f, 16.0f, 0, 1.0f, 0.0f, false, false);
var blueChannel = new NodeSliderItem("B", 64.0f, 16.0f, 0, 1.0f, 0.0f, false, false);
var colorItem = new NodeColorItem("Color", Color.Black, false, true) { Tag = 1337 };
EventHandler<NodeItemEventArgs> channelChangedDelegate = delegate(object sender, NodeItemEventArgs args)
{
var red = redChannel.Value;
var green = blueChannel.Value;
var blue = greenChannel.Value;
colorItem.Color = Color.FromArgb((int)Math.Round(red * 255), (int)Math.Round(green * 255), (int)Math.Round(blue * 255));
};
redChannel.ValueChanged += channelChangedDelegate;
greenChannel.ValueChanged += channelChangedDelegate;
blueChannel.ValueChanged += channelChangedDelegate;
colorNode.AddItem(redChannel);
colorNode.AddItem(greenChannel);
colorNode.AddItem(blueChannel);
colorItem.Clicked += new EventHandler<NodeItemEventArgs>(OnColClicked);
colorNode.AddItem(colorItem);
graphControl.AddNode(colorNode);
var textureNode = new Node("Texture");
textureNode.Location = new Point(300, 150);
var imageItem = new NodeImageItem(Properties.Resources.example, 64, 64, false, true) { Tag = 1000f };
imageItem.Clicked += new EventHandler<NodeItemEventArgs>(OnImgClicked);
textureNode.AddItem(imageItem);
graphControl.AddNode(textureNode);
graphControl.ConnectionAdded += new EventHandler<AcceptNodeConnectionEventArgs>(OnConnectionAdded);
graphControl.ConnectionAdding += new EventHandler<AcceptNodeConnectionEventArgs>(OnConnectionAdding);
graphControl.ConnectionRemoving += new EventHandler<AcceptNodeConnectionEventArgs>(OnConnectionRemoved);
graphControl.ShowElementMenu += new EventHandler<AcceptElementLocationEventArgs>(OnShowElementMenu);
graphControl.Connect(colorItem, check1Item);
}
public Node CreateNode()
{
var colorMixerNode = new Node(GetNodeName());
colorMixerNode.Location = new Point(200, 50);
var color1 = new NodeColorItem("Color 1", Color.Black, true, false, new[] {
typeof(ShaderTypes.float3),
typeof(ShaderTypes.float4) },
null) { Tag = 1 };
var color2 = new NodeColorItem("Color 2", Color.Black, true, false, new[] {
typeof(ShaderTypes.float3),
typeof(ShaderTypes.float4) },
null) { Tag = 2 };
var color3 = new NodeColorItem("Result", Color.Black, false, true, null, new [] {
typeof(ShaderTypes.float3)})
{ Tag = 3 };
colorMixerNode.AddItem(color1);
colorMixerNode.AddItem(color2);
colorMixerNode.AddItem(color3);
colorMixerNode.ParentModule = this;
return colorMixerNode;
}