From cf3ddcc41bf65693c9703d9624f3d389e25495cd Mon Sep 17 00:00:00 2001
From: Devin Curry <devination3d@gmail.com>
Date: Wed, 4 May 2016 00:22:58 -0700
Subject: [PATCH] Add worldSpace option for drawing polygons

---
 Sources/kha/graphics2/GraphicsExtension.hx | 24 ++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/Sources/kha/graphics2/GraphicsExtension.hx b/Sources/kha/graphics2/GraphicsExtension.hx
index f7070d754..3d81976dd 100644
--- a/Sources/kha/graphics2/GraphicsExtension.hx
+++ b/Sources/kha/graphics2/GraphicsExtension.hx
@@ -83,32 +83,44 @@ class GraphicsExtension {
 	/**
 	 * Draws a convex polygon.
 	 */
-	public static function drawPolygon(g2: Graphics, x: Float, y: Float, vertices: Array<Vector2>, strength: Float = 1) {
+	public static function drawPolygon(g2: Graphics, x: Float, y: Float, vertices: Array<Vector2>, strength: Float = 1, ?worldSpace: Bool = false) {
 		var iterator = vertices.iterator();
 		var v0 = iterator.next();
 		var v1 = v0;
 		
 		while (iterator.hasNext()) {
 			var v2 = iterator.next();
-			g2.drawLine(v1.x + x, v1.y + y, v2.x + x, v2.y + y, strength);
+			if (worldSpace)
+				g2.drawLine(v1.x, v1.y, v2.x, v2.y, strength);
+			else
+				g2.drawLine(v1.x + x, v1.y + y, v2.x + x, v2.y + y, strength);
 			v1 = v2;
 		}
-		g2.drawLine(v1.x + x, v1.y + y, v0.x + x, v0.y + y, strength);
+		if (worldSpace)
+			g2.drawLine(v1.x, v1.y, v0.x, v0.y, strength);
+		else
+			g2.drawLine(v1.x + x, v1.y + y, v0.x + x, v0.y + y, strength);
 	}
 	
 	/**
 	 * Draws a filled convex polygon.
 	 */
-	public static function fillPolygon(g2: Graphics, x: Float, y: Float, vertices: Array<Vector2>) {
+	public static function fillPolygon(g2: Graphics, x: Float, y: Float, vertices: Array<Vector2>, ?worldSpace: Bool = false) {
 		var iterator = vertices.iterator();
 		var v0 = iterator.next();
 		var v1 = v0;
 		
 		while (iterator.hasNext()) {
 			var v2 = iterator.next();
-			g2.fillTriangle(v1.x + x, v1.y + y, v2.x + x, v2.y + y, x, y);
+			if (worldSpace)
+				g2.fillTriangle(v1.x, v1.y, v2.x, v2.y, x, y);
+			else
+				g2.fillTriangle(v1.x + x, v1.y + y, v2.x + x, v2.y + y, x, y);
 			v1 = v2;
 		}
-		g2.fillTriangle(v1.x + x, v1.y + y, v0.x + x, v0.y + y, x, y);
+		if (worldSpace)
+			g2.fillTriangle(v1.x, v1.y, v0.x, v0.y, x, y);
+		else
+			g2.fillTriangle(v1.x + x, v1.y + y, v0.x + x, v0.y + y, x, y);
 	}
 }