Added possibility to define line width/thickness in Rendering::Utilit…

…ies function with LineStrips objects

Summary: Simply extending the Utility function based on `LineStrips` to allowing specifying the width/thickness of the lines.

Reviewed By: enpe

Differential Revision: D63348379

fbshipit-source-id: e44b1ac256974035188572c4aae63700fbd579f9

impl/ocean/rendering/Utilities.cpp

@@ -1066,7 +1066,7 @@ TransformRef Utilities::createPoints(const Engine& engine, const Vectors3& verti
 	return TransformRef();
 }
 
-TransformRef Utilities::createLines(const Engine& engine, const Vectors3& vertices, const VertexIndexGroups& lineIndexGroups, const RGBAColor& emissiveColor, const RGBAColors& colorsPerVertex, MaterialRef* material, AttributeSetRef* attributeSet, LineStripsRef* lineStrips, VertexSetRef* vertexSet)
+TransformRef Utilities::createLines(const Engine& engine, const Vectors3& vertices, const VertexIndexGroups& lineIndexGroups, const RGBAColor& emissiveColor, const Scalar lineWidth, const RGBAColors& colorsPerVertex, MaterialRef* material, AttributeSetRef* attributeSet, LineStripsRef* lineStrips, VertexSetRef* vertexSet)
 {
 	try
 	{
@@ -1086,6 +1086,11 @@ TransformRef Utilities::createLines(const Engine& engine, const Vectors3& vertic
 		internalLineStrips->setVertexSet(internalVertexSet);
 		internalLineStrips->setStrips(lineIndexGroups);
 
+		if (lineWidth != Scalar(1))
+		{
+			internalLineStrips->setLineWidth(lineWidth);
+		}
+
 		const GeometryRef internalGeometry = engine.factory().createGeometry();
 
 		const AttributeSetRef internalAttributeSet = engine.factory().createAttributeSet();

impl/ocean/rendering/Utilities.h

@@ -261,14 +261,15 @@ class OCEAN_RENDERING_EXPORT Utilities
 		 * @param vertices The vertices of all points to be rendered, at least one
 		 * @param lineIndexGroups The group of vertex indices defining several individual lines, at least one
 		 * @param emissiveColor The emissiveColor of all vertices in case 'colorsPerVertex' is empty, can be transparent
+		 * @param lineWidth The width of the lines in pixels, with range [1, infinity)
 		 * @param colorsPerVertex The optional colors of the individual vertices, one for each vertex or empty to use the 'emissiveColor'
 		 * @param material Optional resulting Material node; will be invalid if colorPerVertex is not empty
 		 * @param attributeSet Optional resulting AttributeSet node
 		 * @param lineStrips Optional resulting LineStrips node
 		 * @param vertexSet Optional resulting VertexSet node
 		 * @return The resulting transform node holding the geometry node
 		 */
-		static TransformRef createLines(const Engine& engine, const Vectors3& vertices, const VertexIndexGroups& lineIndexGroups, const RGBAColor& emissiveColor, const RGBAColors& colorsPerVertex = RGBAColors(), MaterialRef* material = nullptr, AttributeSetRef* attributeSet = nullptr, LineStripsRef* lineStrips = nullptr, VertexSetRef* vertexSet = nullptr);
+		static TransformRef createLines(const Engine& engine, const Vectors3& vertices, const VertexIndexGroups& lineIndexGroups, const RGBAColor& emissiveColor, const Scalar lineWidth = Scalar(1), const RGBAColors& colorsPerVertex = RGBAColors(), MaterialRef* material = nullptr, AttributeSetRef* attributeSet = nullptr, LineStripsRef* lineStrips = nullptr, VertexSetRef* vertexSet = nullptr);
 
 		/**
 		 * Returns a Transform holding a geometry with lines (a wireframe of a mesh).