DebugDrawer::DebugDrawer()
: lines(nullptr)
, triangles(nullptr)
{
Allocator* alloc = AllocatorGetThis();
MaterialHandle debug = MaterialCreate(alloc, "Debug");
Material* mat = debug.Resolve();
mat->setBackfaceCulling(false);
mat->setBlending(BlendSource::SourceAlpha, BlendDestination::InverseSourceAlpha);
mat->setDepthCompare( DepthCompare::LessOrEqual );
mat->setDepthOffset(Vector2(-1.0f, 1.0f));
//mat->setDepthRange( Vector2(0.1f, 0.9f) );
//mat->setDepthWrite(false);
// Lines
GeometryBuffer* linesVB = AllocateThis(GeometryBuffer);
linesVB->setBufferAccess(BufferAccess::Write);
linesVB->setBufferUsage(BufferUsage::Dynamic);
SetupDebugVertexFormat(linesVB);
lines = RenderBatchCreate(alloc);
lines->setGeometryBuffer(linesVB);
lines->setPrimitiveType(PrimitiveType::Lines);
lines->setMaterial(debug);
lines->setRenderLayer(RenderLayer::PostTransparency);
renderables.push_back(lines.get());
// Triangles
GeometryBufferPtr trianglesVB = AllocateThis(GeometryBuffer);
trianglesVB->setBufferAccess(BufferAccess::Write);
trianglesVB->setBufferUsage(BufferUsage::Dynamic);
SetupDebugVertexFormat(trianglesVB.get());
triangles = RenderBatchCreate(alloc);
triangles->setGeometryBuffer(trianglesVB);
triangles->setPrimitiveType(PrimitiveType::Triangles);
triangles->setMaterial(debug);
triangles->setRenderLayer(RenderLayer::PostTransparency);
renderables.push_back(triangles.get());
// Quads
GeometryBufferPtr quadsVB = AllocateThis(GeometryBuffer);
quadsVB->setBufferAccess(BufferAccess::Write);
quadsVB->setBufferUsage(BufferUsage::Dynamic);
SetupDebugVertexFormat(quadsVB.get());
quads = RenderBatchCreate(alloc);
quads->setGeometryBuffer(quadsVB);
quads->setPrimitiveType(PrimitiveType::Quads);
quads->setMaterial(debug);
quads->setRenderLayer(RenderLayer::PostTransparency);
renderables.push_back(quads.get());
reset();
}
