Exemple #1
0
        public static void AddArcRing(
            ref VertexHelper vh,
            Vector2 center,
            Vector2 radius,
            ShapeUtils.Ellipses.EllipseProperties ellipseProperties,
            ArcProperties arcProperties,
            UI.GeoUtils.OutlineProperties outlineProperties,
            Color32 color,
            Vector2 uv,
            ref UI.GeoUtils.UnitPositionData unitPositionData,
            ThisOtherThing.UI.GeoUtils.EdgeGradientData edgeGradientData
            )
        {
            if (arcProperties.Length <= 0.0f)
            {
                return;
            }

            UI.GeoUtils.SetUnitPositionData(
                ref unitPositionData,
                ellipseProperties.AdjustedResolution,
                arcProperties.AdjustedBaseAngle,
                arcProperties.AdjustedDirection
                );

            radius.x += outlineProperties.GetCenterDistace();
            radius.y += outlineProperties.GetCenterDistace();

            float halfLineWeightOffset = (outlineProperties.HalfLineWeight + edgeGradientData.ShadowOffset) * edgeGradientData.InnerScale;

            if (arcProperties.Direction == ArcProperties.ArcDirection.Backward)
            {
                tmpInnerRadius.x = radius.x + halfLineWeightOffset;
                tmpInnerRadius.y = radius.y + halfLineWeightOffset;

                tmpOuterRadius.x = radius.x - halfLineWeightOffset;
                tmpOuterRadius.y = radius.y - halfLineWeightOffset;
            }
            else
            {
                tmpInnerRadius.x = radius.x - halfLineWeightOffset;
                tmpInnerRadius.y = radius.y - halfLineWeightOffset;

                tmpOuterRadius.x = radius.x + halfLineWeightOffset;
                tmpOuterRadius.y = radius.y + halfLineWeightOffset;
            }

            float capsExtensionLength = edgeGradientData.ShadowOffset * edgeGradientData.InnerScale;

            if (arcProperties.Length >= 1.0f)
            {
                capsExtensionLength = 0.0f;
            }

            int numVertices = vh.currentVertCount;
            int startVertex = numVertices - 1;

            int baseIndex;

            tmpPosition.x = center.x + unitPositionData.UnitPositions[0].x * tmpInnerRadius.x + arcProperties.StartTangent.x * capsExtensionLength;
            tmpPosition.y = center.y + unitPositionData.UnitPositions[0].y * tmpInnerRadius.y + arcProperties.StartTangent.y * capsExtensionLength;
            tmpPosition.z = 0.0f;
            vh.AddVert(
                tmpPosition, color, uv,
                UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

            tmpPosition.x = center.x + unitPositionData.UnitPositions[0].x * tmpOuterRadius.x + arcProperties.StartTangent.x * capsExtensionLength;
            tmpPosition.y = center.y + unitPositionData.UnitPositions[0].y * tmpOuterRadius.y + arcProperties.StartTangent.y * capsExtensionLength;
            tmpPosition.z = 0.0f;
            vh.AddVert(
                tmpPosition, color, uv,
                UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

            for (int i = 1; i < arcProperties.AdjustedResolution; i++)
            {
                tmpPosition.x = center.x + unitPositionData.UnitPositions[i].x * tmpInnerRadius.x;
                tmpPosition.y = center.y + unitPositionData.UnitPositions[i].y * tmpInnerRadius.y;
                tmpPosition.z = 0.0f;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                tmpPosition.x = center.x + unitPositionData.UnitPositions[i].x * tmpOuterRadius.x;
                tmpPosition.y = center.y + unitPositionData.UnitPositions[i].y * tmpOuterRadius.y;
                tmpPosition.z = 0.0f;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                baseIndex = startVertex + i * 2;
                vh.AddTriangle(baseIndex - 1, baseIndex, baseIndex + 1);
                vh.AddTriangle(baseIndex, baseIndex + 2, baseIndex + 1);
            }

            // add last partial segment
            tmpPosition.x = center.x + arcProperties.EndSegmentUnitPosition.x * tmpInnerRadius.x + arcProperties.EndTangent.x * capsExtensionLength;
            tmpPosition.y = center.y + arcProperties.EndSegmentUnitPosition.y * tmpInnerRadius.y + arcProperties.EndTangent.y * capsExtensionLength;
            tmpPosition.z = 0.0f;
            vh.AddVert(
                tmpPosition, color, uv,
                UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

            tmpPosition.x = center.x + arcProperties.EndSegmentUnitPosition.x * tmpOuterRadius.x + arcProperties.EndTangent.x * capsExtensionLength;
            tmpPosition.y = center.y + arcProperties.EndSegmentUnitPosition.y * tmpOuterRadius.y + arcProperties.EndTangent.y * capsExtensionLength;
            tmpPosition.z = 0.0f;
            vh.AddVert(
                tmpPosition, color, uv,
                UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

            baseIndex = startVertex + arcProperties.AdjustedResolution * 2;
            vh.AddTriangle(baseIndex - 1, baseIndex, baseIndex + 1);
            vh.AddTriangle(baseIndex, baseIndex + 2, baseIndex + 1);

            if (edgeGradientData.IsActive)
            {
                halfLineWeightOffset = outlineProperties.HalfLineWeight + edgeGradientData.ShadowOffset + edgeGradientData.SizeAdd;

                if (arcProperties.Direction == ArcProperties.ArcDirection.Backward)
                {
                    tmpOuterRadius.x = radius.x - halfLineWeightOffset;
                    tmpOuterRadius.y = radius.y - halfLineWeightOffset;

                    tmpInnerRadius.x = radius.x + halfLineWeightOffset;
                    tmpInnerRadius.y = radius.y + halfLineWeightOffset;
                }
                else
                {
                    tmpOuterRadius.x = radius.x + halfLineWeightOffset;
                    tmpOuterRadius.y = radius.y + halfLineWeightOffset;

                    tmpInnerRadius.x = radius.x - halfLineWeightOffset;
                    tmpInnerRadius.y = radius.y - halfLineWeightOffset;
                }

                color.a = 0;

                int edgesBaseIndex;
                int innerBaseIndex;

                // ensure inner vertices don't overlap
                tmpArcInnerRadius.x = Mathf.Max(0.0f, tmpInnerRadius.x);
                tmpArcInnerRadius.y = Mathf.Max(0.0f, tmpInnerRadius.y);

                tmpArcOuterRadius.x = Mathf.Max(0.0f, tmpOuterRadius.x);
                tmpArcOuterRadius.y = Mathf.Max(0.0f, tmpOuterRadius.y);

                noOverlapInnerOffset.x = arcProperties.CenterNormal.x * -Mathf.Min(0.0f, tmpInnerRadius.x);
                noOverlapInnerOffset.y = arcProperties.CenterNormal.y * -Mathf.Min(0.0f, tmpInnerRadius.y);
                noOverlapInnerOffset.z = 0.0f;

                noOverlapOuterOffset.x = arcProperties.CenterNormal.x * -Mathf.Min(0.0f, tmpOuterRadius.x);
                noOverlapOuterOffset.y = arcProperties.CenterNormal.y * -Mathf.Min(0.0f, tmpOuterRadius.y);
                noOverlapOuterOffset.z = 0.0f;

                if (arcProperties.Length >= 1.0f)
                {
                    noOverlapInnerOffset.x = 0.0f;
                    noOverlapInnerOffset.y = 0.0f;
                    noOverlapInnerOffset.z = 0.0f;

                    noOverlapOuterOffset.x = 0.0f;
                    noOverlapOuterOffset.y = 0.0f;
                    noOverlapOuterOffset.z = 0.0f;
                }

                for (int i = 0; i < arcProperties.AdjustedResolution; i++)
                {
                    tmpPosition.x = center.x + unitPositionData.UnitPositions[i].x * tmpArcInnerRadius.x + noOverlapInnerOffset.x;
                    tmpPosition.y = center.y + unitPositionData.UnitPositions[i].y * tmpArcInnerRadius.y + noOverlapInnerOffset.y;
                    tmpPosition.z = noOverlapInnerOffset.z;
                    vh.AddVert(
                        tmpPosition, color, uv,
                        UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                    tmpPosition.x = center.x + unitPositionData.UnitPositions[i].x * tmpArcOuterRadius.x + noOverlapOuterOffset.x;
                    tmpPosition.y = center.y + unitPositionData.UnitPositions[i].y * tmpArcOuterRadius.y + noOverlapOuterOffset.y;
                    tmpPosition.z = noOverlapOuterOffset.z;
                    vh.AddVert(
                        tmpPosition, color, uv,
                        UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                    edgesBaseIndex = baseIndex + i * 2;
                    innerBaseIndex = startVertex + i * 2;

                    if (i > 0)
                    {
                        // inner quad
                        vh.AddTriangle(innerBaseIndex - 1, innerBaseIndex + 1, edgesBaseIndex + 3);
                        vh.AddTriangle(edgesBaseIndex + 1, innerBaseIndex - 1, edgesBaseIndex + 3);

                        // outer quad
                        vh.AddTriangle(innerBaseIndex, edgesBaseIndex + 2, innerBaseIndex + 2);
                        vh.AddTriangle(edgesBaseIndex + 2, edgesBaseIndex + 4, innerBaseIndex + 2);
                    }
                }

                // add partial segment antiAliasing
                tmpPosition.x = center.x + arcProperties.EndSegmentUnitPosition.x * tmpArcInnerRadius.x + noOverlapInnerOffset.x;
                tmpPosition.y = center.y + arcProperties.EndSegmentUnitPosition.y * tmpArcInnerRadius.y + noOverlapInnerOffset.y;
                tmpPosition.z = noOverlapInnerOffset.z;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                tmpPosition.x = center.x + arcProperties.EndSegmentUnitPosition.x * tmpArcOuterRadius.x + noOverlapOuterOffset.x;
                tmpPosition.y = center.y + arcProperties.EndSegmentUnitPosition.y * tmpArcOuterRadius.y + noOverlapOuterOffset.y;
                tmpPosition.z = noOverlapOuterOffset.z;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                edgesBaseIndex = baseIndex + arcProperties.AdjustedResolution * 2;
                innerBaseIndex = startVertex + arcProperties.AdjustedResolution * 2;

                // inner quad
                vh.AddTriangle(innerBaseIndex - 1, innerBaseIndex + 1, edgesBaseIndex + 3);
                vh.AddTriangle(edgesBaseIndex + 1, innerBaseIndex - 1, edgesBaseIndex + 3);

                // outer quad
                vh.AddTriangle(innerBaseIndex, edgesBaseIndex + 2, innerBaseIndex + 2);
                vh.AddTriangle(edgesBaseIndex + 2, edgesBaseIndex + 4, innerBaseIndex + 2);

                // skip end antiAliasing if full ring is being generated
                if (arcProperties.Length >= 1.0f)
                {
                    return;
                }

                capsExtensionLength = edgeGradientData.SizeAdd + edgeGradientData.ShadowOffset;

                // add start outer antiAliasing
                tmpPosition.x = center.x + unitPositionData.UnitPositions[0].x * tmpInnerRadius.x + arcProperties.StartTangent.x * capsExtensionLength;
                tmpPosition.y = center.y + unitPositionData.UnitPositions[0].y * tmpInnerRadius.y + arcProperties.StartTangent.y * capsExtensionLength;
                tmpPosition.z = arcProperties.StartTangent.z * capsExtensionLength;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);


                tmpPosition.x = center.x + unitPositionData.UnitPositions[0].x * tmpOuterRadius.x + arcProperties.StartTangent.x * capsExtensionLength;
                tmpPosition.y = center.y + unitPositionData.UnitPositions[0].y * tmpOuterRadius.y + arcProperties.StartTangent.y * capsExtensionLength;
                tmpPosition.z = 0.0f;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                // add end outer antiAliasing
                tmpPosition.x = center.x + arcProperties.EndSegmentUnitPosition.x * tmpInnerRadius.x + arcProperties.EndTangent.x * capsExtensionLength;
                tmpPosition.y = center.y + arcProperties.EndSegmentUnitPosition.y * tmpInnerRadius.y + arcProperties.EndTangent.y * capsExtensionLength;
                tmpPosition.z = arcProperties.EndTangent.z * capsExtensionLength;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                tmpPosition.x = center.x + arcProperties.EndSegmentUnitPosition.x * tmpOuterRadius.x + arcProperties.EndTangent.x * capsExtensionLength;
                tmpPosition.y = center.y + arcProperties.EndSegmentUnitPosition.y * tmpOuterRadius.y + arcProperties.EndTangent.y * capsExtensionLength;
                tmpPosition.z = arcProperties.EndTangent.z * capsExtensionLength;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                if (arcProperties.Direction == ArcProperties.ArcDirection.Backward)
                {
                    tmpOuterRadius.x += edgeGradientData.SizeAdd;
                    tmpOuterRadius.y += edgeGradientData.SizeAdd;

                    tmpInnerRadius.x -= edgeGradientData.SizeAdd;
                    tmpInnerRadius.y -= edgeGradientData.SizeAdd;
                }
                else
                {
                    tmpOuterRadius.x -= edgeGradientData.SizeAdd;
                    tmpOuterRadius.y -= edgeGradientData.SizeAdd;

                    tmpInnerRadius.x += edgeGradientData.SizeAdd;
                    tmpInnerRadius.y += edgeGradientData.SizeAdd;
                }

                // add start inner antiAliasing
                tmpPosition.x = center.x + unitPositionData.UnitPositions[0].x * tmpInnerRadius.x + arcProperties.StartTangent.x * capsExtensionLength;
                tmpPosition.y = center.y + unitPositionData.UnitPositions[0].y * tmpInnerRadius.y + arcProperties.StartTangent.y * capsExtensionLength;
                tmpPosition.z = arcProperties.StartTangent.z * capsExtensionLength;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                tmpPosition.x = center.x + unitPositionData.UnitPositions[0].x * tmpOuterRadius.x + arcProperties.StartTangent.x * capsExtensionLength;
                tmpPosition.y = center.y + unitPositionData.UnitPositions[0].y * tmpOuterRadius.y + arcProperties.StartTangent.y * capsExtensionLength;
                tmpPosition.z = arcProperties.StartTangent.z * capsExtensionLength;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                // add end inner antiAliasing
                tmpPosition.x = center.x + arcProperties.EndSegmentUnitPosition.x * tmpInnerRadius.x + arcProperties.EndTangent.x * capsExtensionLength;
                tmpPosition.y = center.y + arcProperties.EndSegmentUnitPosition.y * tmpInnerRadius.y + arcProperties.EndTangent.y * capsExtensionLength;
                tmpPosition.z = arcProperties.EndTangent.z * capsExtensionLength;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                tmpPosition.x = center.x + arcProperties.EndSegmentUnitPosition.x * tmpOuterRadius.x + arcProperties.EndTangent.x * capsExtensionLength;
                tmpPosition.y = center.y + arcProperties.EndSegmentUnitPosition.y * tmpOuterRadius.y + arcProperties.EndTangent.y * capsExtensionLength;
                tmpPosition.z = arcProperties.EndTangent.z * capsExtensionLength;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                int currentVertCount = vh.currentVertCount;

                // add end antiAliasing triangles

                // center
                vh.AddTriangle(currentVertCount - 1, currentVertCount - 2, innerBaseIndex + 1);
                vh.AddTriangle(currentVertCount - 1, innerBaseIndex + 1, innerBaseIndex + 2);

                // inner
                vh.AddTriangle(edgesBaseIndex + 3, innerBaseIndex + 1, currentVertCount - 6);
                vh.AddTriangle(currentVertCount - 6, innerBaseIndex + 1, currentVertCount - 2);

                // outer
                vh.AddTriangle(edgesBaseIndex + 4, currentVertCount - 5, innerBaseIndex + 2);
                vh.AddTriangle(currentVertCount - 5, currentVertCount - 1, innerBaseIndex + 2);


                // add start antiAliasing triangles

                // center
                vh.AddTriangle(currentVertCount - 3, numVertices, currentVertCount - 4);
                vh.AddTriangle(currentVertCount - 3, numVertices + 1, numVertices);

                // inner
                vh.AddTriangle(currentVertCount - 4, numVertices, currentVertCount - 8);
                vh.AddTriangle(innerBaseIndex + 3, currentVertCount - 8, numVertices);

                // outer
                vh.AddTriangle(currentVertCount - 7, innerBaseIndex + 4, numVertices + 1);
                vh.AddTriangle(currentVertCount - 7, numVertices + 1, currentVertCount - 3);
            }
        }
Exemple #2
0
        public static void AddSegment(
            ref VertexHelper vh,
            Vector2 center,
            Vector2 radius,
            ShapeUtils.Ellipses.EllipseProperties circleProperties,
            ArcProperties arcProperties,
            Color32 color,
            Vector2 uv,
            ref UI.GeoUtils.UnitPositionData unitPositionData,
            ThisOtherThing.UI.GeoUtils.EdgeGradientData edgeGradientData
            )
        {
            if (arcProperties.Length <= 0.0f)
            {
                return;
            }

            bool isReversed = arcProperties.Direction == ArcProperties.ArcDirection.Backward;

            int reversedZeroForwardMinus = isReversed ? 0 : -1;
            int reversedMinusForwardZero = isReversed ? -1 : 0;

            int reversed1Forward2 = isReversed ? 1 : 2;
            int reversed2Forward1 = isReversed ? 2 : 1;

            int reversed1Forward0 = isReversed ? 1 : 0;
            int reversed0Forward1 = isReversed ? 0 : 1;

            UI.GeoUtils.SetUnitPositionData(
                ref unitPositionData,
                circleProperties.AdjustedResolution,
                arcProperties.AdjustedBaseAngle,
                arcProperties.AdjustedDirection
                );

            int numVertices = vh.currentVertCount;

            tmpOuterRadius.x = (radius.x + edgeGradientData.ShadowOffset) * edgeGradientData.InnerScale;
            tmpOuterRadius.y = (radius.y + edgeGradientData.ShadowOffset) * edgeGradientData.InnerScale;

            float capsExtensionLength = edgeGradientData.ShadowOffset * edgeGradientData.InnerScale;

            tmpOffsetCenter.x = center.x + arcProperties.CenterNormal.x * radius.x * (edgeGradientData.InnerScale - 1.0f) * 0.2f;
            tmpOffsetCenter.y = center.y + arcProperties.CenterNormal.y * radius.y * (edgeGradientData.InnerScale - 1.0f) * 0.2f;
            tmpOffsetCenter.z = 0.0f;

            if (arcProperties.Length >= 1.0f)
            {
                capsExtensionLength = 0.0f;
                tmpOffsetCenter     = center;
            }

            vh.AddVert(
                tmpOffsetCenter + arcProperties.CenterNormal * capsExtensionLength,
                color, uv, UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

            tmpPosition.x = tmpOffsetCenter.x + unitPositionData.UnitPositions[0].x * tmpOuterRadius.x + arcProperties.StartTangent.x * capsExtensionLength;
            tmpPosition.y = tmpOffsetCenter.y + unitPositionData.UnitPositions[0].y * tmpOuterRadius.y + arcProperties.StartTangent.y * capsExtensionLength;
            tmpPosition.z = tmpOffsetCenter.z;
            vh.AddVert(tmpPosition, color, uv, UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

            for (int i = 1; i < arcProperties.AdjustedResolution; i++)
            {
                tmpPosition.x = tmpOffsetCenter.x + unitPositionData.UnitPositions[i].x * tmpOuterRadius.x;
                tmpPosition.y = tmpOffsetCenter.y + unitPositionData.UnitPositions[i].y * tmpOuterRadius.y;
                tmpPosition.z = tmpOffsetCenter.z;
                vh.AddVert(tmpPosition, color, uv, UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                vh.AddTriangle(numVertices, numVertices + i + reversedZeroForwardMinus, numVertices + i + reversedMinusForwardZero);
            }

            int lastFullIndex = numVertices + arcProperties.AdjustedResolution;

            // add last partial segment
            tmpPosition.x = tmpOffsetCenter.x + arcProperties.EndSegmentUnitPosition.x * tmpOuterRadius.x + arcProperties.EndTangent.x * capsExtensionLength;
            tmpPosition.y = tmpOffsetCenter.y + arcProperties.EndSegmentUnitPosition.y * tmpOuterRadius.y + arcProperties.EndTangent.y * capsExtensionLength;
            tmpPosition.z = tmpOffsetCenter.z + +arcProperties.EndTangent.z * capsExtensionLength;
            vh.AddVert(tmpPosition, color, uv, UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

            if (isReversed)
            {
                vh.AddTriangle(numVertices, lastFullIndex, lastFullIndex - 1);
                vh.AddTriangle(numVertices, lastFullIndex + 1, lastFullIndex);
            }
            else
            {
                vh.AddTriangle(numVertices, lastFullIndex - 1, lastFullIndex);
                vh.AddTriangle(numVertices, lastFullIndex, lastFullIndex + 1);
            }


            if (edgeGradientData.IsActive)
            {
                radius.x += edgeGradientData.SizeAdd + edgeGradientData.ShadowOffset;
                radius.y += edgeGradientData.SizeAdd + edgeGradientData.ShadowOffset;
                color.a   = 0;

                tmpPosition.x = center.x + unitPositionData.UnitPositions[0].x * radius.x;
                tmpPosition.y = center.y + unitPositionData.UnitPositions[0].y * radius.y;
                tmpPosition.z = 0.0f;
                vh.AddVert(tmpPosition, color, uv, UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);
                int innerBase, outerBase;
                for (int i = 1; i <= arcProperties.AdjustedResolution; i++)
                {
                    if (i < arcProperties.AdjustedResolution)
                    {
                        tmpPosition.x = center.x + unitPositionData.UnitPositions[i].x * radius.x;
                        tmpPosition.y = center.y + unitPositionData.UnitPositions[i].y * radius.y;
                        tmpPosition.z = 0.0f;
                        vh.AddVert(tmpPosition, color, uv, UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);
                    }
                    else
                    {
                        tmpPosition.x = center.x + arcProperties.EndSegmentUnitPosition.x * radius.x;
                        tmpPosition.y = center.y + arcProperties.EndSegmentUnitPosition.y * radius.y;
                        tmpPosition.z = 0.0f;
                        vh.AddVert(tmpPosition, color, uv, UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);
                    }

                    innerBase = numVertices + i;
                    outerBase = innerBase + arcProperties.AdjustedResolution;

                    vh.AddTriangle(outerBase + 2, innerBase + reversed0Forward1, innerBase + reversed1Forward0);
                    vh.AddTriangle(innerBase, outerBase + reversed2Forward1, outerBase + reversed1Forward2);
                }

                if (arcProperties.Length >= 1.0f)
                {
                    return;
                }

                tmpOuterRadius.x = edgeGradientData.SizeAdd + edgeGradientData.ShadowOffset;
                tmpOuterRadius.y = tmpOuterRadius.x;

                // add start outer vertex
                tmpPosition.x = center.x + unitPositionData.UnitPositions[0].x * radius.x + arcProperties.StartTangent.x * tmpOuterRadius.x;
                tmpPosition.y = center.y + unitPositionData.UnitPositions[0].y * radius.y + arcProperties.StartTangent.y * tmpOuterRadius.y;
                tmpPosition.z = 0.0f;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                // add end outer vertex
                tmpPosition.x = center.x + arcProperties.EndSegmentUnitPosition.x * radius.x + arcProperties.EndTangent.x * tmpOuterRadius.x;
                tmpPosition.y = center.y + arcProperties.EndSegmentUnitPosition.y * radius.y + arcProperties.EndTangent.y * tmpOuterRadius.y;
                tmpPosition.z = 0.0f;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                radius.x -= edgeGradientData.SizeAdd;
                radius.y -= edgeGradientData.SizeAdd;

                // add start inner vertex
                tmpPosition.x = center.x + unitPositionData.UnitPositions[0].x * radius.x + arcProperties.StartTangent.x * tmpOuterRadius.x;
                tmpPosition.y = center.y + unitPositionData.UnitPositions[0].y * radius.y + arcProperties.StartTangent.y * tmpOuterRadius.y;
                tmpPosition.z = 0.0f;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                // add end inner vertex
                tmpPosition.x = center.x + arcProperties.EndSegmentUnitPosition.x * radius.x + arcProperties.EndTangent.x * tmpOuterRadius.x;
                tmpPosition.y = center.y + arcProperties.EndSegmentUnitPosition.y * radius.y + arcProperties.EndTangent.y * tmpOuterRadius.y;
                tmpPosition.z = 0.0f;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                // add center extruded vertex
                tmpPosition.x = center.x + arcProperties.CenterNormal.x * tmpOuterRadius.x;
                tmpPosition.y = center.y + arcProperties.CenterNormal.y * tmpOuterRadius.y;
                tmpPosition.z = 0.0f;
                vh.AddVert(
                    tmpPosition, color, uv,
                    UI.GeoUtils.ZeroV2, UI.GeoUtils.UINormal, UI.GeoUtils.UITangent);

                int baseCornersIndex = vh.currentVertCount - 5;
                int baseOuterIndex   = numVertices + arcProperties.AdjustedResolution;
                int secondOuterIndex = numVertices + arcProperties.AdjustedResolution * 2;



                if (isReversed)
                {
                    // start corner
                    vh.AddTriangle(baseCornersIndex, baseCornersIndex + 2, numVertices + 1);
                    vh.AddTriangle(baseCornersIndex, numVertices + 1, baseOuterIndex + 2);

                    // end corner
                    vh.AddTriangle(baseCornersIndex + 1, baseOuterIndex + 1, baseCornersIndex + 3);
                    vh.AddTriangle(baseCornersIndex + 1, secondOuterIndex + 2, baseOuterIndex + 1);

                    // start corner to center
                    vh.AddTriangle(baseCornersIndex + 2, numVertices, numVertices + 1);
                    vh.AddTriangle(baseCornersIndex + 2, baseCornersIndex + 4, numVertices);

                    // end corner to center
                    vh.AddTriangle(baseCornersIndex + 3, baseOuterIndex + 1, baseCornersIndex + 4);
                    vh.AddTriangle(baseCornersIndex + 4, baseOuterIndex + 1, numVertices);
                }
                else
                {
                    // start corner
                    vh.AddTriangle(baseCornersIndex, numVertices + 1, baseCornersIndex + 2);
                    vh.AddTriangle(baseCornersIndex, baseOuterIndex + 2, numVertices + 1);

                    // end corner
                    vh.AddTriangle(baseCornersIndex + 1, baseCornersIndex + 3, baseOuterIndex + 1);
                    vh.AddTriangle(baseCornersIndex + 1, baseOuterIndex + 1, secondOuterIndex + 2);

                    // start corner to center
                    vh.AddTriangle(baseCornersIndex + 2, numVertices + 1, numVertices);
                    vh.AddTriangle(baseCornersIndex + 2, numVertices, baseCornersIndex + 4);

                    // end corner to center
                    vh.AddTriangle(baseCornersIndex + 3, baseCornersIndex + 4, baseOuterIndex + 1);
                    vh.AddTriangle(baseCornersIndex + 4, numVertices, baseOuterIndex + 1);
                }
            }
        }