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Fix love.physics.getDistance

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This commit is contained in:
Bart van Strien
2012-11-19 21:10:28 +01:00
parent d24c0344c8
commit 4de936ed75
1 changed files with 17 additions and 10 deletions
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src/modules/physics/box2d/Physics.cpp
+17 -10
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@@ -249,19 +249,26 @@ int Physics::getDistance(lua_State *L)
{
Fixture *fixtureA = luax_checktype<Fixture>(L, 1, "Fixture", PHYSICS_FIXTURE_T);
Fixture *fixtureB = luax_checktype<Fixture>(L, 2, "Fixture", PHYSICS_FIXTURE_T);
b2DistanceProxy pA, pB;
b2DistanceInput i;
b2DistanceProxy pA;
pA.Set(fixtureA->fixture->GetShape(), 0);
b2DistanceProxy pB;
pB.Set(fixtureB->fixture->GetShape(), 0);
i.proxyA = pA;
i.proxyB = pB;
i.transformA = fixtureA->fixture->GetBody()->GetTransform();
i.transformB = fixtureB->fixture->GetBody()->GetTransform();
i.useRadii = true;
b2DistanceOutput o;
b2SimplexCache c;
b2Distance(&o, &c, &i);
c.count = 0;
try
{
pA.Set(fixtureA->fixture->GetShape(), 0);
pB.Set(fixtureB->fixture->GetShape(), 0);
i.proxyA = pA;
i.proxyB = pB;
i.transformA = fixtureA->fixture->GetBody()->GetTransform();
i.transformB = fixtureB->fixture->GetBody()->GetTransform();
i.useRadii = true;
b2Distance(&o, &c, &i);
}
catch (love::Exception &e)
{
luaL_error(L, "%s", e.what());
}
lua_pushnumber(L, Physics::scaleUp(o.distance));
lua_pushnumber(L, Physics::scaleUp(o.pointA.x));
lua_pushnumber(L, Physics::scaleUp(o.pointA.y));