GODOT IS OPEN SOURCE

2014-02-09 22:10:30 -03:00
parent 0e49da1687
commit 0b806ee0fc
3138 changed files with 1294441 additions and 0 deletions
--- a/core/math/triangle_mesh.h
+++ b/core/math/triangle_mesh.h
@ -0,0 +1,99 @@
+/*************************************************************************/
+/*  triangle_mesh.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 TRIANGLE_MESH_H
+#define TRIANGLE_MESH_H
+
+#include "reference.h"
+#include "face3.h"
+class TriangleMesh : public Reference {
+
+	OBJ_TYPE( TriangleMesh, Reference);
+
+	struct Triangle {
+
+		Vector3 normal;
+		int indices[3];
+	};
+
+	DVector<Triangle> triangles;
+	DVector<Vector3> vertices;
+
+	struct BVH {
+
+		AABB aabb;
+		Vector3 center; //used for sorting
+		int left;
+		int right;
+
+		int face_index;
+	};
+
+	struct BVHCmpX {
+
+		bool operator()(const BVH* p_left, const BVH* p_right) const {
+
+			return p_left->center.x < p_right->center.x;
+		}
+	};
+
+	struct BVHCmpY {
+
+		bool operator()(const BVH* p_left, const BVH* p_right) const {
+
+			return p_left->center.y < p_right->center.y;
+		}
+	};
+	struct BVHCmpZ {
+
+		bool operator()(const BVH* p_left, const BVH* p_right) const {
+
+			return p_left->center.z < p_right->center.z;
+		}
+	};
+
+	int _create_bvh(BVH*p_bvh,BVH** p_bb,int p_from,int p_size,int p_depth,int&max_depth,int&max_alloc);
+
+	DVector<BVH> bvh;
+	int max_depth;
+	bool valid;
+
+public:
+
+	bool is_valid() const;
+	bool intersect_segment(const Vector3& p_begin,const Vector3& p_end,Vector3 &r_point, Vector3 &r_normal) const;
+	bool intersect_ray(const Vector3& p_begin,const Vector3& p_dir,Vector3 &r_point, Vector3 &r_normal) const;
+	Vector3 get_area_normal(const AABB& p_aabb) const;
+	DVector<Face3> get_faces() const;
+
+
+	void create(const DVector<Vector3>& p_faces);
+	TriangleMesh();
+};
+
+#endif // TRIANGLE_MESH_H