Graphics: Add Billboard support

include/Nazara/Utility/Enums.hpp

@@ -390,6 +390,7 @@ namespace Nz
 		JointWeights,
 		Normal,
 		Position,
+		SizeSinCos,
 		Tangent,
 		TexCoord,
 		Userdata,
@@ -406,6 +407,7 @@ namespace Nz
 	enum class VertexLayout
 	{
 		// Predefined declarations for rendering
+		UV_SizeSinCos,
 		XY,
 		XY_Color,
 		XY_UV,
@@ -416,6 +418,7 @@ namespace Nz
 		XYZ_Normal_UV,
 		XYZ_Normal_UV_Tangent,
 		XYZ_Normal_UV_Tangent_Skinning,
+		UV_SizeSinCos_Color,
 		XYZ_UV,
 
 		// Predefined declarations for instancing

include/Nazara/Utility/VertexStruct.hpp

@@ -68,6 +68,17 @@ namespace Nz
 		Vector3f tangent;
 	};
 
+	struct VertexStruct_UV_SizeSinCos
+	{
+		Vector2f uv;
+		Vector4f sizeSinCos; //< width, height, sin, cos
+	};
+
+	struct VertexStruct_UV_SizeSinCos_Color : VertexStruct_UV_SizeSinCos
+	{
+		Color color;
+	};
+
 	struct VertexStruct_XYZ_UV : VertexStruct_XYZ
 	{
 		Vector2f uv;