+node example

1 files changed, 40 insertions, 0 deletions

diff --git a/Other/NodeEditorExamples/Assets/xNode-examples/Examples/RuntimeMathGraph/Scripts/NodeDrag.cs b/Other/NodeEditorExamples/Assets/xNode-examples/Examples/RuntimeMathGraph/Scripts/NodeDrag.cs
new file mode 100644
index 00000000..96ba753d
--- /dev/null
+++ b/Other/NodeEditorExamples/Assets/xNode-examples/Examples/RuntimeMathGraph/Scripts/NodeDrag.cs
@@ -0,0 +1,40 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.EventSystems;
+
+namespace XNode.Examples.RuntimeMathNodes {
+	public class NodeDrag : MonoBehaviour, IPointerClickHandler, IBeginDragHandler, IDragHandler, IEndDragHandler {
+		private Vector3 offset;
+		private UGUIMathBaseNode node;
+
+		private void Awake() {
+			node = GetComponentInParent<UGUIMathBaseNode>();
+		}
+
+		public void OnDrag(PointerEventData eventData) {
+			node.transform.localPosition = node.graph.scrollRect.content.InverseTransformPoint(eventData.position) - offset;
+		}
+
+		public void OnBeginDrag(PointerEventData eventData) {
+			Vector2 pointer = node.graph.scrollRect.content.InverseTransformPoint(eventData.position);
+			Vector2 pos = node.transform.localPosition;
+			offset = pointer - pos;
+		}
+
+		public void OnEndDrag(PointerEventData eventData) {
+			node.transform.localPosition = node.graph.scrollRect.content.InverseTransformPoint(eventData.position) - offset;
+			Vector2 pos = node.transform.localPosition;
+			pos.y = -pos.y;
+			node.node.position = pos;
+		}
+
+		public void OnPointerClick(PointerEventData eventData) {
+			if (eventData.button != PointerEventData.InputButton.Right)
+				return;
+
+			node.graph.nodeContextMenu.selectedNode = node.node;
+			node.graph.nodeContextMenu.OpenAt(eventData.position);
+		}
+	}
+}
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