From a16e6592caafb601b59c3d9f7609e8c1af231eba Mon Sep 17 00:00:00 2001
From: bob <bcz@cs.brown.edu>
Date: Wed, 20 Mar 2019 18:00:39 -0400
Subject: initial

---
 .../northstar/core/brusher/BrushLinkModel.ts       | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/client/northstar/core/brusher/BrushLinkModel.ts

(limited to 'src/client/northstar/core/brusher/BrushLinkModel.ts')

diff --git a/src/client/northstar/core/brusher/BrushLinkModel.ts b/src/client/northstar/core/brusher/BrushLinkModel.ts
new file mode 100644
index 000000000..e3ac43367
--- /dev/null
+++ b/src/client/northstar/core/brusher/BrushLinkModel.ts
@@ -0,0 +1,40 @@
+import { IBaseBrushable } from '../brusher/IBaseBrushable'
+import { IBaseBrusher } from '../brusher/IBaseBrusher'
+import { Utils } from '../../utils/Utils'
+import { IEquatable } from '../../utils/IEquatable';
+
+export class BrushLinkModel<T> implements IEquatable {
+
+    public From: IBaseBrusher<T>;
+
+    public To: IBaseBrushable<T>;
+
+    public Color: number = 0;
+
+    constructor(from: IBaseBrusher<T>, to: IBaseBrushable<T>) {
+        this.From = from;
+        this.To = to;
+    }
+
+    public static overlaps(start: number, end: number, otherstart: number, otherend: number): boolean {
+        if (start > otherend || otherstart > end)
+            return false;
+        return true;
+    }
+    public static Connected<T>(from: IBaseBrusher<T>, to: IBaseBrushable<T>): boolean {
+        var connected = (Math.abs(from.Position.x + from.Size.x - to.Position.x) <= 60 &&
+            this.overlaps(from.Position.y, from.Position.y + from.Size.y, to.Position.y, to.Position.y + to.Size.y)
+        ) ||
+            (Math.abs(to.Position.x + to.Size.x - from.Position.x) <= 60 &&
+                this.overlaps(to.Position.y, to.Position.y + to.Size.y, from.Position.y, from.Position.y + from.Size.y)
+            );
+        return connected;
+    }
+
+    public Equals(other: Object): boolean {
+        if (!Utils.EqualityHelper(this, other)) return false;
+        if (!this.From.Equals((other as BrushLinkModel<T>).From)) return false;
+        if (!this.To.Equals((other as BrushLinkModel<T>).To)) return false;
+        return true;
+    }
+}
\ No newline at end of file
-- 
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