diff options
Diffstat (limited to 'core/math')
| -rw-r--r-- | core/math/a_star.cpp | 28 | ||||
| -rw-r--r-- | core/math/a_star.h | 31 | ||||
| -rw-r--r-- | core/math/triangulate.cpp | 16 | ||||
| -rw-r--r-- | core/math/triangulate.h | 2 |
4 files changed, 64 insertions, 13 deletions
diff --git a/core/math/a_star.cpp b/core/math/a_star.cpp index 5bbbbdaa5a..198d9f6076 100644 --- a/core/math/a_star.cpp +++ b/core/math/a_star.cpp @@ -1,3 +1,31 @@ +/*************************************************************************/ +/* a_star.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2016 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. */ +/*************************************************************************/ #include "a_star.h" #include "geometry.h" diff --git a/core/math/a_star.h b/core/math/a_star.h index a0517b5941..26f3a85046 100644 --- a/core/math/a_star.h +++ b/core/math/a_star.h @@ -1,8 +1,39 @@ +/*************************************************************************/ +/* a_star.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2016 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 ASTAR_H #define ASTAR_H #include "reference.h" #include "self_list.h" +/** + @author Juan Linietsky <reduzio@gmail.com> +*/ class AStar: public Reference { diff --git a/core/math/triangulate.cpp b/core/math/triangulate.cpp index 1f5d5ed6b3..eaf019f200 100644 --- a/core/math/triangulate.cpp +++ b/core/math/triangulate.cpp @@ -71,7 +71,7 @@ bool Triangulate::is_inside_triangle(float Ax, float Ay, return ((aCROSSbp >= 0.0f) && (bCROSScp >= 0.0f) && (cCROSSap >= 0.0f)); }; -bool Triangulate::snip(const Vector<Vector2> &p_contour,int u,int v,int w,int n,int *V) +bool Triangulate::snip(const Vector<Vector2> &p_contour,int u,int v,int w,int n,const Vector<int>& V) { int p; float Ax, Ay, Bx, By, Cx, Cy, Px, Py; @@ -107,8 +107,8 @@ bool Triangulate::triangulate(const Vector<Vector2> &contour,Vector<int> &result if ( n < 3 ) return false; - - int *V = (int*)alloca(sizeof(int)*n); + Vector<int> V; + V.resize(n); /* we want a counter-clockwise polygon in V */ @@ -122,7 +122,7 @@ bool Triangulate::triangulate(const Vector<Vector2> &contour,Vector<int> &result /* remove nv-2 Vertices, creating 1 triangle every time */ int count = 2*nv; /* error detection */ - for(int m=0, v=nv-1; nv>2; ) + for(int v=nv-1; nv>2; ) { /* if we loop, it is probably a non-simple polygon */ if (0 >= (count--)) @@ -144,18 +144,10 @@ bool Triangulate::triangulate(const Vector<Vector2> &contour,Vector<int> &result a = V[u]; b = V[v]; c = V[w]; /* output Triangle */ - /* - result.push_back( contour[a] ); - result.push_back( contour[b] ); - result.push_back( contour[c] ); -*/ - result.push_back( a ); result.push_back( b ); result.push_back( c ); - m++; - /* remove v from remaining polygon */ for(s=v,t=v+1;t<nv;s++,t++) V[s] = V[t]; diff --git a/core/math/triangulate.h b/core/math/triangulate.h index 7dcc91b2fd..ef622b5005 100644 --- a/core/math/triangulate.h +++ b/core/math/triangulate.h @@ -56,7 +56,7 @@ public: private: - static bool snip(const Vector<Vector2> &p_contour,int u,int v,int w,int n,int *V); + static bool snip(const Vector<Vector2> &p_contour,int u,int v,int w,int n,const Vector<int>& V); }; |