Exemple #1
0
        private static void GenerateMesh(RageSpline rs, bool refreshTriangulation)
        {
            if (rs.GetFill() != RageSpline.Fill.None)
            {
                rs.ShiftOverlappingControlPoints();
            }

            bool  fillAntialiasing = false;
            float aaWidth          = rs.GetAntialiasingWidth();

            if (aaWidth > 0f)
            {
                if (rs.inverseTriangleDrawOrder)
                {
                    fillAntialiasing = true;
                }
                else
                if (rs.GetOutline() == RageSpline.Outline.None ||
                    Mathf.Abs(rs.GetOutlineNormalOffset()) > (rs.GetOutlineWidth() + (aaWidth)))
                {
                    fillAntialiasing = true;
                }
            }

            bool outlineAntialiasing = rs.GetAntialiasingWidth() > 0f;

            bool multipleMaterials = false;
            var  renderer          = rs.GetComponent(typeof(MeshRenderer)) as MeshRenderer;

            if (renderer != null)
            {
                if (renderer.sharedMaterials.GetLength(0) > 1)
                {
                    multipleMaterials = true;
                }
            }

            RageSpline.RageVertex[] outlineVerts = rs.GenerateOutlineVerts(outlineAntialiasing, multipleMaterials);
            RageSpline.RageVertex[] fillVerts    = rs.GenerateFillVerts(fillAntialiasing, multipleMaterials);

            int vertexCount = outlineVerts.Length + fillVerts.Length;

            Vector3[] verts = new Vector3[vertexCount];

            Vector2[] uvs  = null;
            Vector2[] uvs2 = null;

            if (rs.FixUvs)
            {
                uvs  = new Vector2[vertexCount];
                uvs2 = new Vector2[vertexCount];
            }

            Color[] colors = new Color[vertexCount];

            for (int i = 0; i < fillVerts.Length; i++)
            {
                verts[i]  = fillVerts[i].position;
                colors[i] = fillVerts[i].color;

                if (uvs == null)
                {
                    continue;
                }
                uvs[i]  = fillVerts[i].uv1;
                uvs2[i] = fillVerts[i].uv2;
            }

            for (int i = 0; i < outlineVerts.Length; i++)
            {
                int v = i + fillVerts.Length;
                verts[v]  = outlineVerts[i].position;
                colors[v] = outlineVerts[i].color;

                if (uvs == null)
                {
                    continue;
                }
                uvs[v]  = outlineVerts[i].uv1;
                uvs2[v] = outlineVerts[i].uv2;
            }

            var mFilter = rs.GetComponent(typeof(MeshFilter)) as MeshFilter;

            if (verts.Length > 0)
            {
                verts[0] += new Vector3(0f, 0f, -0.001f);
            }

            if (mFilter != null)
            {
                var mesh = mFilter.sharedMesh ?? new Mesh();

                if (refreshTriangulation)
                {
                    mesh.Clear();
                }

                mesh.vertices = verts;

                if (refreshTriangulation)
                {
                    rs.GenerateTriangles(mesh, fillVerts, new RageSpline.RageVertex[0], outlineVerts, fillAntialiasing, false, outlineAntialiasing, multipleMaterials);
                }

                if (rs.FixUvs)
                {
                    mesh.uv  = uvs;
                    mesh.uv2 = uvs2;
                }

                mesh.colors = colors;
                mesh.RecalculateBounds();
                mFilter.sharedMesh = mesh;
            }
        }