Initial Mercurial commit.

src/modules/physics/box2d/PolygonShape.cpp

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+/**
+* Copyright (c) 2006-2009 LOVE Development Team
+* 
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* 
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 
+* 1. The origin of this software must not be misrepresented; you must not
+*    claim that you wrote the original software. If you use this software
+*    in a product, an acknowledgment in the product documentation would be
+*    appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+*    misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+**/
+
+#include "PolygonShape.h"
+
+// Module
+#include "Body.h"
+#include "World.h"
+
+namespace love
+{
+namespace physics
+{
+namespace box2d
+{
+	PolygonShape::PolygonShape(Body * body, b2PolygonDef * def)
+		: Shape(body)
+	{
+		for(int i = 0; i<def->vertexCount; i++)
+			def->vertices[i] = body->world->scaleDown(def->vertices[i]);
+
+		shape = body->body->CreateShape(def);
+		shape->SetUserData((void*)data);
+	}
+
+	PolygonShape::~PolygonShape()
+	{
+		body->body->DestroyShape(shape);
+		shape = 0;
+	}
+
+	int PolygonShape::getPoints(lua_State * L)
+	{
+		love::luax_assert_argc(L, 0);
+		b2PolygonShape * p = (b2PolygonShape *)shape;
+		const b2Vec2 * vertices = p->GetVertices();
+		int count = p->GetVertexCount();
+		for(int i = 0;i<count; i++)
+		{
+			b2Vec2 v = body->world->scaleUp(body->body->GetWorldPoint(vertices[i]));
+			lua_pushnumber(L, v.x);
+			lua_pushnumber(L, v.y);
+		}
+		return count*2;
+	}
+
+} // box2d
+} // physics
+} // love