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Add EdgeShape:set/getNext/PreviousVertex. ChainShape:setNext/PreviousVertex can now take no arguments to disable ghost vertices.

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Resolves issue #1191.
This commit is contained in:
Alex Szpakowski
2016-08-01 10:15:34 -03:00
parent 2e8f785a01
commit fc2c79ad5f
6 changed files with 183 additions and 47 deletions
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src/modules/physics/box2d/EdgeShape.cpp
+58
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@@ -43,6 +43,64 @@ EdgeShape::~EdgeShape()
{
}
void EdgeShape::setNextVertex(float x, float y)
{
b2EdgeShape *e = (b2EdgeShape *)shape;
b2Vec2 v(x, y);
e->m_vertex3 = Physics::scaleDown(v);
e->m_hasVertex3 = true;
}
void EdgeShape::setNextVertex()
{
b2EdgeShape *e = (b2EdgeShape *)shape;
e->m_hasVertex3 = false;
}
bool EdgeShape::getNextVertex(float &x, float &y) const
{
b2EdgeShape *e = (b2EdgeShape *)shape;
if (e->m_hasVertex3)
{
b2Vec2 v = Physics::scaleUp(e->m_vertex3);
x = v.x;
y = v.y;
return true;
}
return false;
}
void EdgeShape::setPreviousVertex(float x, float y)
{
b2EdgeShape *e = (b2EdgeShape *)shape;
b2Vec2 v(x, y);
e->m_vertex0 = Physics::scaleDown(v);
e->m_hasVertex0 = true;
}
void EdgeShape::setPreviousVertex()
{
b2EdgeShape *e = (b2EdgeShape *)shape;
e->m_hasVertex0 = false;
}
bool EdgeShape::getPreviousVertex(float &x, float &y) const
{
b2EdgeShape *e = (b2EdgeShape *)shape;
if (e->m_hasVertex0)
{
b2Vec2 v = Physics::scaleUp(e->m_vertex0);
x = v.x;
y = v.y;
return true;
}
return false;
}
int EdgeShape::getPoints(lua_State *L)
{
b2EdgeShape *e = (b2EdgeShape *)shape;