void TileMapLayer2D::DrawDebugGeometry(DebugRenderer* debug, bool depthTest)
{
if (!debug)
return;
if (objectGroup_)
{
const Matrix3x4 transform = GetTileMap()->GetNode()->GetTransform();
for (unsigned i = 0; i < objectGroup_->GetNumObjects(); ++i)
{
TileMapObject2D* object = objectGroup_->GetObject(i);
const Color& color = Color::YELLOW;
const Vector2& size = object->GetSize();
const TileMapInfo2D& info = tileMap_->GetInfo();
switch (object->GetObjectType())
{
case OT_RECTANGLE:
{
Vector<Vector2> points;
switch (info.orientation_)
{
case O_ORTHOGONAL:
case O_HEXAGONAL:
case O_STAGGERED:
{
points.Push(Vector2::ZERO);
points.Push(Vector2(size.x_, 0.0f));
points.Push(Vector2(size.x_, -size.y_));
points.Push(Vector2(0.0f, -size.y_));
break;
}
case O_ISOMETRIC:
{
float ratio = (info.tileWidth_ / info.tileHeight_) * 0.5f;
points.Push(Vector2::ZERO);
points.Push(Vector2(size.y_ * ratio, size.y_ * 0.5f));
points.Push(Vector2((size.x_ + size.y_) * ratio, (-size.x_ + size.y_) * 0.5f));
points.Push(Vector2(size.x_ * ratio, -size.x_ * 0.5f));
break;
}
}
for (unsigned j = 0; j < points.Size(); ++j)
debug->AddLine(Vector3(TransformNode2D(transform, points[j] + object->GetPosition())),
Vector3(TransformNode2D(transform, points[(j + 1) % points.Size()] + object->GetPosition())), color,
depthTest);
}
break;
case OT_ELLIPSE:
{
const Vector2 halfSize = object->GetSize() * 0.5f;
float ratio = (info.tileWidth_ / info.tileHeight_) * 0.5f; // For isometric only
Vector2 pivot = object->GetPosition();
if (info.orientation_ == O_ISOMETRIC)
{
pivot += Vector2((halfSize.x_ + halfSize.y_) * ratio, (-halfSize.x_ + halfSize.y_) * 0.5f);
}
else
{
pivot += halfSize;
}
for (unsigned i = 0; i < 360; i += 30)
{
unsigned j = i + 30;
float x1 = halfSize.x_ * Cos((float)i);
float y1 = halfSize.y_ * Sin((float)i);
float x2 = halfSize.x_ * Cos((float)j);
float y2 = halfSize.y_ * Sin((float)j);
Vector2 point1 = Vector2(x1, - y1);
Vector2 point2 = Vector2(x2, - y2);
if (info.orientation_ == O_ISOMETRIC)
{
point1 = Vector2((point1.x_ + point1.y_) * ratio, (point1.y_ - point1.x_) * 0.5f);
point2 = Vector2((point2.x_ + point2.y_) * ratio, (point2.y_ - point2.x_) * 0.5f);
}
debug->AddLine(Vector3(TransformNode2D(transform, pivot + point1)),
Vector3(TransformNode2D(transform, pivot + point2)), color, depthTest);
}
}
break;
case OT_POLYGON:
case OT_POLYLINE:
{
for (unsigned j = 0; j < object->GetNumPoints() - 1; ++j)
debug->AddLine(Vector3(TransformNode2D(transform, object->GetPoint(j))),
Vector3(TransformNode2D(transform, object->GetPoint(j + 1))), color, depthTest);
if (object->GetObjectType() == OT_POLYGON)
debug->AddLine(Vector3(TransformNode2D(transform, object->GetPoint(0))),
Vector3(TransformNode2D(transform, object->GetPoint(object->GetNumPoints() - 1))), color, depthTest);
// Also draw a circle at origin to indicate direction
else
debug->AddCircle(Vector3(TransformNode2D(transform, object->GetPoint(0))), Vector3::FORWARD, 0.05f, color,
64, depthTest);
}
break;
default: break;
}
}
}
}
void TileMap2D::DrawDebugGeometry(DebugRenderer* debug, bool depthTest)
{
const Color& color = Color::RED;
float mapW = info_.GetMapWidth();
float mapH = info_.GetMapHeight();
const Matrix3x4 transform = GetNode()->GetTransform();
switch (info_.orientation_)
{
case O_ORTHOGONAL:
case O_STAGGERED:
case O_HEXAGONAL:
debug->AddLine(Vector3(TransformNode2D(transform, Vector2(0.0f, 0.0f))),
Vector3(TransformNode2D(transform, Vector2(mapW, 0.0f))), color);
debug->AddLine(Vector3(TransformNode2D(transform, Vector2(mapW, 0.0f))),
Vector3(TransformNode2D(transform, Vector2(mapW, mapH))), color);
debug->AddLine(Vector3(TransformNode2D(transform, Vector2(mapW, mapH))),
Vector3(TransformNode2D(transform, Vector2(0.0f, mapH))), color);
debug->AddLine(Vector3(TransformNode2D(transform, Vector2(0.0f, mapH))),
Vector3(TransformNode2D(transform, Vector2(0.0f, 0.0f))), color);
break;
case O_ISOMETRIC:
debug->AddLine(Vector3(TransformNode2D(transform, Vector2(0.0f, mapH * 0.5f))),
Vector3(TransformNode2D(transform, Vector2(mapW * 0.5f, 0.0f))), color);
debug->AddLine(Vector3(TransformNode2D(transform, Vector2(mapW * 0.5f, 0.0f))),
Vector3(TransformNode2D(transform, Vector2(mapW, mapH * 0.5f))), color);
debug->AddLine(Vector3(TransformNode2D(transform, Vector2(mapW, mapH * 0.5f))),
Vector3(TransformNode2D(transform, Vector2(mapW * 0.5f, mapH))), color);
debug->AddLine(Vector3(TransformNode2D(transform, Vector2(mapW * 0.5f, mapH))),
Vector3(TransformNode2D(transform, Vector2(0.0f, mapH * 0.5f))), color);
break;
}
for (unsigned i = 0; i < layers_.size(); ++i)
layers_[i]->DrawDebugGeometry(debug, depthTest);
}
