1 files changed, 95 insertions, 0 deletions
diff --git a/core/math/quick_hull.h b/core/math/quick_hull.h
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+++ b/core/math/quick_hull.h
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+/*************************************************************************/
+/*  quick_hull.h                                                         */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#ifndef QUICK_HULL_H
+#define QUICK_HULL_H
+
+#include "aabb.h"
+#include "set.h"
+#include "list.h"
+#include "geometry.h"
+
+class QuickHull {
+
+public:
+
+
+	struct Edge {
+
+		union {
+			uint32_t vertices[2];
+			uint64_t id;
+		};
+
+
+		bool operator<(const Edge& p_edge) const {
+			return id < p_edge.id;
+		}
+
+		Edge(int p_vtx_a=0,int p_vtx_b=0) {
+
+			if (p_vtx_a>p_vtx_b) {
+				SWAP(p_vtx_a,p_vtx_b);
+			}
+
+			vertices[0]=p_vtx_a;
+			vertices[1]=p_vtx_b;
+		}
+	};
+
+	struct Face {
+
+		Plane plane;
+		int vertices[3];
+		Vector<int> points_over;
+
+		bool operator<(const Face& p_face) const {
+
+			return points_over.size() < p_face.points_over.size();
+		}
+
+	};
+private:
+
+	struct FaceConnect {
+		List<Face>::Element *left,*right;
+		FaceConnect() { left=NULL; right=NULL; }
+	};
+	struct RetFaceConnect {
+		List<Geometry::MeshData::Face>::Element *left,*right;
+		RetFaceConnect() { left=NULL; right=NULL; }
+	};
+
+public:
+
+	static uint32_t debug_stop_after;
+	static Error build(const Vector<Vector3>& p_points,Geometry::MeshData& r_mesh);
+
+};
+
+#endif // QUICK_HULL_H