static void InterpolatePoints(
ref PointsList.PointsData lineData,
Vector2 prevPosition,
Vector2 position,
Vector2 nextPosition,
PointListProperties pointListProperties,
int index
)
{
tmpBackV.x = prevPosition.x - position.x;
tmpBackV.y = prevPosition.y - position.y;
float backLength = Mathf.Sqrt(tmpBackV.x * tmpBackV.x + tmpBackV.y * tmpBackV.y);
tmpBackNormV.x = tmpBackV.x / backLength;
tmpBackNormV.y = tmpBackV.y / backLength;
tmpForwV.x = nextPosition.x - position.x;
tmpForwV.y = nextPosition.y - position.y;
float forwLength = Mathf.Sqrt(tmpForwV.x * tmpForwV.x + tmpForwV.y * tmpForwV.y);
tmpForwNormV.x = tmpForwV.x / forwLength;
tmpForwNormV.y = tmpForwV.y / forwLength;
float cos = (tmpBackNormV.x * tmpForwNormV.x + tmpBackNormV.y * tmpForwNormV.y);
float angle = Mathf.Acos(cos);
// ignore points along straight line
if (cos <= -0.9999f)
{
return;
}
if (pointListProperties.RoundingDistance > 0.0f)
{
AddRoundedPoints(
ref lineData,
tmpBackNormV,
position,
tmpForwNormV,
pointListProperties,
angle,
Mathf.Min(backLength, forwLength) * 0.49f
);
}
else
{
if (angle < pointListProperties.MaxAngle)
{
lineData.Positions.Add(position + tmpBackNormV * 0.5f);
lineData.Positions.Add(position + tmpForwNormV * 0.5f);
}
else
{
lineData.Positions.Add(position);
}
}
}
static void AddRoundedPoints(
ref PointsList.PointsData lineData,
Vector2 backNormV,
Vector2 position,
Vector2 forwNormV,
PointListProperties pointListProperties,
float angle,
float maxDistance
)
{
float roundingDistance = Mathf.Min(maxDistance, pointListProperties.RoundingDistance);
tmpBackPos.x = position.x + backNormV.x * roundingDistance;
tmpBackPos.y = position.y + backNormV.y * roundingDistance;
tmpForwPos.x = position.x + forwNormV.x * roundingDistance;
tmpForwPos.y = position.y + forwNormV.y * roundingDistance;
pointListProperties.CornerRounding.UpdateAdjusted(roundingDistance / 4.0f, 0.0f, (GeoUtils.TwoPI - angle) / Mathf.PI);
float interpolator;
int resolution = pointListProperties.CornerRounding.AdjustedResolution;
float resolutionF = (float)pointListProperties.CornerRounding.AdjustedResolution - 1.0f;
if (lineData.Positions.Capacity < lineData.Positions.Count + resolution)
{
lineData.Positions.Capacity = lineData.Positions.Count + resolution;
}
for (int i = 0; i < resolution; i++)
{
interpolator = (float)i / resolutionF;
tmpPos.x = Mathf.LerpUnclamped(
Mathf.LerpUnclamped(tmpBackPos.x, position.x, interpolator),
Mathf.LerpUnclamped(position.x, tmpForwPos.x, interpolator),
interpolator
);
tmpPos.y = Mathf.LerpUnclamped(
Mathf.LerpUnclamped(tmpBackPos.y, position.y, interpolator),
Mathf.LerpUnclamped(position.y, tmpForwPos.y, interpolator),
interpolator
);
lineData.Positions.Add(tmpPos);
}
}
public static void AddRoundedCap(
ref VertexHelper vh,
bool isStart,
int firstVertIndex,
Vector2 position,
Vector2 normal,
Vector2 capOffset,
int invertIndices,
LineProperties lineProperties,
GeoUtils.OutlineProperties outlineProperties,
Color32 color,
Vector2 uv,
PointsList.PointsData pointsData,
GeoUtils.EdgeGradientData edgeGradientData,
Vector2[] capOffsets,
Vector2[] uvOffsets,
float uvXMin,
float uvXLength,
int currentVertCount
)
{
int baseIndex = currentVertCount;
float innerOffset = outlineProperties.GetCenterDistace();
float capOffsetAmount = (edgeGradientData.ShadowOffset + outlineProperties.HalfLineWeight) * edgeGradientData.InnerScale;
if (isStart)
{
uv.x = uvXMin;
}
else
{
uv.x = uvXMin + uvXLength;
}
#if CENTER_ROUNDED_CAPS
// add center vert
tmpPos.x = position.x;
tmpPos.y = position.y;
uv.y = 0.5f;
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
#endif
for (int i = 0; i < capOffsets.Length; i++)
{
{
tmpPos.x = position.x + normal.x * innerOffset + capOffsets[i].x * capOffsetAmount;
tmpPos.y = position.y + normal.y * innerOffset + capOffsets[i].y * capOffsetAmount;
}
if (isStart)
{
uv.x = Mathf.LerpUnclamped(uvXMin, 0.0f, uvOffsets[i].x);
}
else
{
uv.x = Mathf.LerpUnclamped(uvXMin + uvXLength, 1.0f, uvOffsets[i].x);
}
uv.y = uvOffsets[i].y;
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
if (i > 0)
{
#if CENTER_ROUNDED_CAPS
vh.AddTriangle(baseIndex, baseIndex + i - 1, baseIndex + i);
#else
vh.AddTriangle(firstVertIndex, baseIndex + i - 1, baseIndex + i);
#endif
}
}
// last fans
if (isStart)
{
#if CENTER_ROUNDED_CAPS
// starting triangle
vh.AddTriangle(baseIndex + 1, baseIndex, firstVertIndex);
// end triangles
vh.AddTriangle(baseIndex, baseIndex + capOffsets.Length - 1, baseIndex + capOffsets.Length);
vh.AddTriangle(baseIndex, baseIndex + capOffsets.Length, firstVertIndex + 1);
#else
vh.AddTriangle(baseIndex + capOffsets.Length - 1, firstVertIndex + 1, firstVertIndex);
#endif
}
else
{
#if CENTER_ROUNDED_CAPS
// starting triangle
vh.AddTriangle(baseIndex + 1, baseIndex, firstVertIndex + 1);
// end triangles
vh.AddTriangle(baseIndex, baseIndex + capOffsets.Length - 1, baseIndex + capOffsets.Length);
vh.AddTriangle(baseIndex, baseIndex + capOffsets.Length, firstVertIndex);
#else
vh.AddTriangle(baseIndex, firstVertIndex, firstVertIndex + 1);
#endif
}
if (edgeGradientData.IsActive)
{
color.a = 0;
innerOffset = outlineProperties.GetCenterDistace();
capOffsetAmount = outlineProperties.HalfLineWeight + edgeGradientData.SizeAdd + edgeGradientData.ShadowOffset;
int antiAliasedIndex = firstVertIndex + pointsData.NumPositions * 2;
for (int i = 0; i < capOffsets.Length; i++)
{
{
tmpPos.x = position.x + normal.x * innerOffset + capOffsets[i].x * capOffsetAmount;
tmpPos.y = position.y + normal.y * innerOffset + capOffsets[i].y * capOffsetAmount;
}
if (isStart)
{
uv.x = Mathf.LerpUnclamped(uvXMin, 0.0f, uvOffsets[i].x);
}
else
{
uv.x = Mathf.LerpUnclamped(uvXMin + uvXLength, 1.0f, uvOffsets[i].x);
}
uv.y = uvOffsets[i].y;
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
if (i > 0)
{
vh.AddTriangle(baseIndex + i - 1, baseIndex + capOffsets.Length + i - 1, baseIndex + i);
vh.AddTriangle(baseIndex + capOffsets.Length + i, baseIndex + i, baseIndex + capOffsets.Length + i - 1);
}
}
if (!isStart)
{
vh.AddTriangle(baseIndex, firstVertIndex + 1, antiAliasedIndex + 1);
vh.AddTriangle(antiAliasedIndex + 1, baseIndex + capOffsets.Length, baseIndex);
vh.AddTriangle(baseIndex + capOffsets.Length * 2 - 1, antiAliasedIndex, firstVertIndex);
vh.AddTriangle(baseIndex + capOffsets.Length - 1, baseIndex + capOffsets.Length * 2 - 1, firstVertIndex);
}
else
{
vh.AddTriangle(firstVertIndex + 1, baseIndex + capOffsets.Length - 1, baseIndex + capOffsets.Length * 2 - 1);
vh.AddTriangle(antiAliasedIndex + 1, firstVertIndex + 1, baseIndex + capOffsets.Length * 2 - 1);
vh.AddTriangle(antiAliasedIndex, baseIndex, firstVertIndex);
vh.AddTriangle(baseIndex + capOffsets.Length, baseIndex, antiAliasedIndex);
}
}
}
public static void AddProjectedCap(
ref VertexHelper vh,
bool isStart,
int firstVertIndex,
Vector2 position,
Vector2 normal,
Vector2 capOffset,
int invertIndices,
LineProperties lineProperties,
GeoUtils.OutlineProperties outlineProperties,
Color32 color,
Vector2 uv,
PointsList.PointsData pointsData,
GeoUtils.EdgeGradientData edgeGradientData,
int currentVertCount
)
{
int baseIndex = currentVertCount;
if (isStart)
{
uv.x = 0.0f;
}
else
{
uv.x = 1.0f;
}
float innerOffset = outlineProperties.GetCenterDistace() - (outlineProperties.HalfLineWeight + edgeGradientData.ShadowOffset) * edgeGradientData.InnerScale;
float outerOffset = outlineProperties.GetCenterDistace() + (outlineProperties.HalfLineWeight + edgeGradientData.ShadowOffset) * edgeGradientData.InnerScale;
float capOffsetAmount = edgeGradientData.ShadowOffset + outlineProperties.LineWeight * 0.5f;
capOffsetAmount *= edgeGradientData.InnerScale;
// add lineWeight to position
{
tmpPos.x = position.x + normal.x * innerOffset + capOffset.x * capOffsetAmount;
tmpPos.y = position.y + normal.y * innerOffset + capOffset.y * capOffsetAmount;
}
uv.y = 0.0f;
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
{
tmpPos.x = position.x + normal.x * outerOffset + capOffset.x * capOffsetAmount;
tmpPos.y = position.y + normal.y * outerOffset + capOffset.y * capOffsetAmount;
}
uv.y = 1.0f;
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
vh.AddTriangle(firstVertIndex, baseIndex + invertIndices, baseIndex + 1 - invertIndices);
vh.AddTriangle(firstVertIndex + invertIndices, baseIndex + 1, firstVertIndex + 1 - invertIndices);
if (edgeGradientData.IsActive)
{
innerOffset = outlineProperties.GetCenterDistace() - (outlineProperties.HalfLineWeight + edgeGradientData.ShadowOffset) - edgeGradientData.SizeAdd;
outerOffset = outlineProperties.GetCenterDistace() + (outlineProperties.HalfLineWeight + edgeGradientData.ShadowOffset) + edgeGradientData.SizeAdd;
capOffsetAmount = outlineProperties.HalfLineWeight + edgeGradientData.SizeAdd + edgeGradientData.ShadowOffset;
color.a = 0;
{
tmpPos.x = position.x + normal.x * innerOffset + capOffset.x * capOffsetAmount;
tmpPos.y = position.y + normal.y * innerOffset + capOffset.y * capOffsetAmount;
}
uv.y = 0.0f;
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
{
tmpPos.x = position.x + normal.x * outerOffset + capOffset.x * capOffsetAmount;
tmpPos.y = position.y + normal.y * outerOffset + capOffset.y * capOffsetAmount;
}
uv.y = 1.0f;
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
int antiAliasedIndex = firstVertIndex + pointsData.NumPositions * 2;
baseIndex += 2;
if (invertIndices != 0)
{
vh.AddTriangle(firstVertIndex, baseIndex, antiAliasedIndex);
vh.AddTriangle(firstVertIndex + 1, antiAliasedIndex + 1, baseIndex + 1);
vh.AddTriangle(baseIndex - 2, baseIndex - 1, baseIndex);
vh.AddTriangle(baseIndex + 1, baseIndex, baseIndex - 1);
vh.AddTriangle(firstVertIndex, baseIndex - 2, baseIndex);
vh.AddTriangle(firstVertIndex + 1, baseIndex + 1, baseIndex - 1);
}
else
{
vh.AddTriangle(firstVertIndex, antiAliasedIndex, baseIndex);
vh.AddTriangle(firstVertIndex + 1, baseIndex + 1, antiAliasedIndex + 1);
vh.AddTriangle(baseIndex - 2, baseIndex, baseIndex - 1);
vh.AddTriangle(baseIndex + 1, baseIndex - 1, baseIndex);
vh.AddTriangle(firstVertIndex, baseIndex, baseIndex - 2);
vh.AddTriangle(firstVertIndex + 1, baseIndex - 1, baseIndex + 1);
}
}
}
public static void AddEndCap(
ref VertexHelper vh,
LineProperties lineProperties,
Vector2 positionOffset,
GeoUtils.OutlineProperties outlineProperties,
Color32 color,
Vector2 uv,
float uvXMin,
float uvXLength,
PointsList.PointsData pointsData,
GeoUtils.EdgeGradientData edgeGradientData
)
{
int currentVertCount = vh.currentVertCount;
int startIndex = currentVertCount;
if (edgeGradientData.IsActive)
{
startIndex -= pointsData.NumPositions * 2;
}
int lastPositionIndex = pointsData.NumPositions - 1;
tmpPos2.x = positionOffset.x + pointsData.Positions[lastPositionIndex].x;
tmpPos2.y = positionOffset.y + pointsData.Positions[lastPositionIndex].y;
switch (lineProperties.LineCap)
{
case LineProperties.LineCapTypes.Close:
startIndex -= 4;
AddCloseCap(
ref vh,
false,
startIndex,
tmpPos2,
pointsData.PositionNormals[lastPositionIndex],
pointsData.EndCapOffset,
1,
lineProperties,
outlineProperties,
color,
uv,
pointsData,
edgeGradientData,
currentVertCount
);
break;
case LineProperties.LineCapTypes.Projected:
startIndex -= 6;
AddProjectedCap(
ref vh,
false,
startIndex,
tmpPos2,
pointsData.PositionNormals[lastPositionIndex],
pointsData.EndCapOffset,
1,
lineProperties,
outlineProperties,
color,
uv,
pointsData,
edgeGradientData,
currentVertCount
);
break;
case LineProperties.LineCapTypes.Round:
#if CENTER_ROUNDED_CAPS
startIndex -= pointsData.RoundedCapResolution + 3;
#else
startIndex -= pointsData.RoundedCapResolution + 2;
#endif
if (edgeGradientData.IsActive)
{
startIndex -= pointsData.RoundedCapResolution;
}
AddRoundedCap(
ref vh,
false,
startIndex,
tmpPos2,
pointsData.PositionNormals[lastPositionIndex],
pointsData.EndCapOffset,
1,
lineProperties,
outlineProperties,
color,
uv,
pointsData,
edgeGradientData,
pointsData.EndCapOffsets,
pointsData.EndCapUVs,
uvXMin,
uvXLength,
currentVertCount
);
break;
}
}
public static void AddLine(
ref VertexHelper vh,
LineProperties lineProperties,
PointsList.PointListProperties pointListProperties,
Vector2 positionOffset,
GeoUtils.OutlineProperties outlineProperties,
Color32 color,
Vector2 uv,
ref PointsList.PointsData pointsData,
GeoUtils.EdgeGradientData edgeGradientData
)
{
pointListProperties.SetPoints();
pointsData.IsClosed = lineProperties.Closed && pointListProperties.Positions.Length > 2;
pointsData.GenerateRoundedCaps = lineProperties.LineCap == LineProperties.LineCapTypes.Round;
pointsData.LineWeight = outlineProperties.LineWeight;
if (pointsData.GenerateRoundedCaps)
{
lineProperties.RoundedCapResolution.UpdateAdjusted(outlineProperties.HalfLineWeight, 0.0f, 2.0f);
pointsData.RoundedCapResolution = lineProperties.RoundedCapResolution.AdjustedResolution;
}
if (!PointsList.SetLineData(pointListProperties, ref pointsData))
{
return;
}
// scale uv x for caps
float uvXMin = 0.0f;
float uvXLength = 1.0f;
if (
!lineProperties.Closed &&
lineProperties.LineCap != LineProperties.LineCapTypes.Close
)
{
float uvStartOffset = outlineProperties.LineWeight / pointsData.TotalLength;
uvXMin = uvStartOffset * 0.5f;
uvXLength = 1.0f - uvXMin * 2.0f;
}
float innerOffset = outlineProperties.GetCenterDistace() - (outlineProperties.HalfLineWeight + edgeGradientData.ShadowOffset) * edgeGradientData.InnerScale;
float outerOffset = outlineProperties.GetCenterDistace() + (outlineProperties.HalfLineWeight + edgeGradientData.ShadowOffset) * edgeGradientData.InnerScale;
float capOffsetAmount = 0.0f;
if (!lineProperties.Closed && lineProperties.LineCap == LineProperties.LineCapTypes.Close)
{
capOffsetAmount = edgeGradientData.ShadowOffset * (edgeGradientData.InnerScale * 2.0f - 1.0f);
}
int numVertices = vh.currentVertCount;
int startVertex = numVertices - 1;
int baseIndex;
uv.x = uvXMin + pointsData.NormalizedPositionDistances[0] * uvXLength;
uv.y = 0.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[0].x + pointsData.PositionNormals[0].x * innerOffset + pointsData.StartCapOffset.x * capOffsetAmount;
tmpPos.y = positionOffset.y + pointsData.Positions[0].y + pointsData.PositionNormals[0].y * innerOffset + pointsData.StartCapOffset.y * capOffsetAmount;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
uv.y = 1.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[0].x + pointsData.PositionNormals[0].x * outerOffset + pointsData.StartCapOffset.x * capOffsetAmount;
tmpPos.y = positionOffset.y + pointsData.Positions[0].y + pointsData.PositionNormals[0].y * outerOffset + pointsData.StartCapOffset.y * capOffsetAmount;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
for (int i = 1; i < pointsData.NumPositions - 1; i++)
{
uv.x = uvXMin + pointsData.NormalizedPositionDistances[i] * uvXLength;
uv.y = 0.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[i].x + pointsData.PositionNormals[i].x * innerOffset;
tmpPos.y = positionOffset.y + pointsData.Positions[i].y + pointsData.PositionNormals[i].y * innerOffset;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
uv.y = 1.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[i].x + pointsData.PositionNormals[i].x * outerOffset;
tmpPos.y = positionOffset.y + pointsData.Positions[i].y + pointsData.PositionNormals[i].y * outerOffset;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
baseIndex = startVertex + i * 2;
vh.AddTriangle(baseIndex - 1, baseIndex, baseIndex + 1);
vh.AddTriangle(baseIndex, baseIndex + 2, baseIndex + 1);
}
// add end vertices
int endIndex = pointsData.NumPositions - 1;
uv.x = uvXMin + pointsData.NormalizedPositionDistances[endIndex] * uvXLength;
uv.y = 0.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[endIndex].x + pointsData.PositionNormals[endIndex].x * innerOffset + pointsData.EndCapOffset.x * capOffsetAmount;
tmpPos.y = positionOffset.y + pointsData.Positions[endIndex].y + pointsData.PositionNormals[endIndex].y * innerOffset + pointsData.EndCapOffset.y * capOffsetAmount;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
uv.y = 1.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[endIndex].x + pointsData.PositionNormals[endIndex].x * outerOffset + pointsData.EndCapOffset.x * capOffsetAmount;
tmpPos.y = positionOffset.y + pointsData.Positions[endIndex].y + pointsData.PositionNormals[endIndex].y * outerOffset + pointsData.EndCapOffset.y * capOffsetAmount;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
baseIndex = startVertex + endIndex * 2;
vh.AddTriangle(baseIndex - 1, baseIndex, baseIndex + 1);
vh.AddTriangle(baseIndex, baseIndex + 2, baseIndex + 1);
if (lineProperties.Closed)
{
uv.x = 1.0f;
uv.y = 0.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[0].x + pointsData.PositionNormals[0].x * innerOffset + pointsData.StartCapOffset.x * capOffsetAmount;
tmpPos.y = positionOffset.y + pointsData.Positions[0].y + pointsData.PositionNormals[0].y * innerOffset + pointsData.StartCapOffset.y * capOffsetAmount;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
uv.y = 1.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[0].x + pointsData.PositionNormals[0].x * outerOffset + pointsData.StartCapOffset.x * capOffsetAmount;
tmpPos.y = positionOffset.y + pointsData.Positions[0].y + pointsData.PositionNormals[0].y * outerOffset + pointsData.StartCapOffset.y * capOffsetAmount;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
baseIndex = startVertex + endIndex * 2 + 2;
vh.AddTriangle(baseIndex - 1, baseIndex, baseIndex + 1);
vh.AddTriangle(baseIndex, baseIndex + 2, baseIndex + 1);
}
if (edgeGradientData.IsActive)
{
byte colorAlpha = color.a;
innerOffset = outlineProperties.GetCenterDistace() - (outlineProperties.HalfLineWeight + edgeGradientData.ShadowOffset);
outerOffset = outlineProperties.GetCenterDistace() + (outlineProperties.HalfLineWeight + edgeGradientData.ShadowOffset);
innerOffset -= edgeGradientData.SizeAdd;
outerOffset += edgeGradientData.SizeAdd;
color.a = 0;
int outerBaseIndex = numVertices + pointsData.NumPositions * 2;
if (lineProperties.Closed)
{
outerBaseIndex += 2;
}
uv.x = uvXMin + pointsData.NormalizedPositionDistances[0] * uvXLength;
uv.y = 0.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[0].x + pointsData.PositionNormals[0].x * innerOffset;
tmpPos.y = positionOffset.y + pointsData.Positions[0].y + pointsData.PositionNormals[0].y * innerOffset;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
uv.y = 1.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[0].x + pointsData.PositionNormals[0].x * outerOffset;
tmpPos.y = positionOffset.y + pointsData.Positions[0].y + pointsData.PositionNormals[0].y * outerOffset;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
for (int i = 1; i < pointsData.NumPositions; i++)
{
uv.x = uvXMin + pointsData.NormalizedPositionDistances[i] * uvXLength;
uv.y = 0.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[i].x + pointsData.PositionNormals[i].x * innerOffset;
tmpPos.y = positionOffset.y + pointsData.Positions[i].y + pointsData.PositionNormals[i].y * innerOffset;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
uv.y = 1.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[i].x + pointsData.PositionNormals[i].x * outerOffset;
tmpPos.y = positionOffset.y + pointsData.Positions[i].y + pointsData.PositionNormals[i].y * outerOffset;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
// inner quad
vh.AddTriangle(startVertex + i * 2 - 1, startVertex + i * 2 + 1, outerBaseIndex + i * 2);
vh.AddTriangle(startVertex + i * 2 - 1, outerBaseIndex + i * 2, outerBaseIndex + i * 2 - 2);
// outer quad
vh.AddTriangle(startVertex + i * 2, outerBaseIndex + i * 2 - 1, startVertex + i * 2 + 2);
vh.AddTriangle(startVertex + i * 2 + 2, outerBaseIndex + i * 2 - 1, outerBaseIndex + i * 2 + 1);
}
if (lineProperties.Closed)
{
int lastIndex = pointsData.NumPositions;
uv.x = 1.0f;
uv.y = 0.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[0].x + pointsData.PositionNormals[0].x * innerOffset;
tmpPos.y = positionOffset.y + pointsData.Positions[0].y + pointsData.PositionNormals[0].y * innerOffset;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
uv.y = 1.0f;
{
tmpPos.x = positionOffset.x + pointsData.Positions[0].x + pointsData.PositionNormals[0].x * outerOffset;
tmpPos.y = positionOffset.y + pointsData.Positions[0].y + pointsData.PositionNormals[0].y * outerOffset;
}
vh.AddVert(tmpPos, color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
// inner quad
vh.AddTriangle(startVertex + lastIndex * 2 - 1, startVertex + lastIndex * 2 + 1, outerBaseIndex + lastIndex * 2);
vh.AddTriangle(startVertex + lastIndex * 2 - 1, outerBaseIndex + lastIndex * 2, outerBaseIndex + lastIndex * 2 - 2);
// outer quad
vh.AddTriangle(startVertex + lastIndex * 2, outerBaseIndex + lastIndex * 2 - 1, startVertex + lastIndex * 2 + 2);
vh.AddTriangle(startVertex + lastIndex * 2 + 2, outerBaseIndex + lastIndex * 2 - 1, outerBaseIndex + lastIndex * 2 + 1);
}
color.a = colorAlpha;
}
// close line or add caps
if (!lineProperties.Closed)
{
AddStartCap(
ref vh,
lineProperties,
positionOffset,
outlineProperties,
color,
uv,
uvXMin,
uvXLength,
pointsData,
edgeGradientData
);
AddEndCap(
ref vh,
lineProperties,
positionOffset,
outlineProperties,
color,
uv,
uvXMin,
uvXLength,
pointsData,
edgeGradientData
);
}
}
public static void AddStartCap(
ref VertexHelper vh,
LineProperties lineProperties,
Vector2 positionOffset,
GeoUtils.OutlineProperties outlineProperties,
Color32 color,
Vector2 uv,
float uvXMin,
float uvXLength,
PointsList.PointsData pointsData,
GeoUtils.EdgeGradientData edgeGradientData
)
{
int currentVertCount = vh.currentVertCount;
int startIndex = currentVertCount - pointsData.NumPositions * 2;
if (edgeGradientData.IsActive)
{
startIndex -= pointsData.NumPositions * 2;
}
tmpPos2.x = positionOffset.x + pointsData.Positions[0].x;
tmpPos2.y = positionOffset.y + pointsData.Positions[0].y;
switch (lineProperties.LineCap)
{
case LineProperties.LineCapTypes.Close:
AddCloseCap(
ref vh,
true,
startIndex,
tmpPos2,
pointsData.PositionNormals[0],
pointsData.StartCapOffset,
0,
lineProperties,
outlineProperties,
color,
uv,
pointsData,
edgeGradientData,
currentVertCount
);
break;
case LineProperties.LineCapTypes.Projected:
AddProjectedCap(
ref vh,
true,
startIndex,
tmpPos2,
pointsData.PositionNormals[0],
pointsData.StartCapOffset,
0,
lineProperties,
outlineProperties,
color,
uv,
pointsData,
edgeGradientData,
currentVertCount
);
break;
case LineProperties.LineCapTypes.Round:
AddRoundedCap(
ref vh,
true,
startIndex,
tmpPos2,
pointsData.PositionNormals[0],
pointsData.StartCapOffset,
0,
lineProperties,
outlineProperties,
color,
uv,
pointsData,
edgeGradientData,
pointsData.StartCapOffsets,
pointsData.StartCapUVs,
uvXMin,
uvXLength,
currentVertCount
);
break;
}
}
public static void AddPolygon(
ref VertexHelper vh,
PolygonProperties polygonProperties,
PointsList.PointListProperties pointListProperties,
Vector2 positionOffset,
Color32 color,
Vector2 uv,
ref PointsList.PointsData pointsData,
GeoUtils.EdgeGradientData edgeGradientData
)
{
pointListProperties.SetPoints();
PointsList.SetLineData(pointListProperties, ref pointsData);
int numVertices = vh.currentVertCount;
int firstOuterVertex = vh.currentVertCount + polygonProperties.CutoutProperties.Resolution - 1;
bool usesCutout = polygonProperties.CenterType == PolygonProperties.CenterTypes.Cutout;
if (usesCutout)
{
float cutoutOffsetDistance = polygonProperties.CutoutProperties.Radius - edgeGradientData.ShadowOffset;
cutoutOffsetDistance += Mathf.LerpUnclamped(
pointsData.PositionNormals[0].magnitude * edgeGradientData.ShadowOffset * 3.0f,
0.0f,
edgeGradientData.InnerScale
);
for (int i = 0; i < polygonProperties.CutoutProperties.Resolution; i++)
{
tmpPos.x =
polygonProperties.AdjustedCenter.x +
positionOffset.x +
polygonProperties.CutoutProperties.UnitPositionData.UnitPositions[i].x * cutoutOffsetDistance;
tmpPos.y =
polygonProperties.AdjustedCenter.y +
positionOffset.y +
polygonProperties.CutoutProperties.UnitPositionData.UnitPositions[i].y * cutoutOffsetDistance;
tmpPos.z = 0.0f;
vh.AddVert(
tmpPos,
color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent
);
}
}
else
{
// add center
tmpPos.x = polygonProperties.AdjustedCenter.x + positionOffset.x;
tmpPos.y = polygonProperties.AdjustedCenter.y + positionOffset.y;
tmpPos.z = 0.0f;
vh.AddVert(
tmpPos,
color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent
);
}
// add first position
tmpPos.x = positionOffset.x + Mathf.LerpUnclamped(
polygonProperties.AdjustedCenter.x,
pointsData.Positions[0].x + pointsData.PositionNormals[0].x * edgeGradientData.ShadowOffset,
edgeGradientData.InnerScale
);
tmpPos.y = positionOffset.y + Mathf.LerpUnclamped(
polygonProperties.AdjustedCenter.y,
pointsData.Positions[0].y + pointsData.PositionNormals[0].y * edgeGradientData.ShadowOffset,
edgeGradientData.InnerScale
);
tmpPos.z = 0.0f;
vh.AddVert(
tmpPos,
color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent
);
for (int i = 1; i < pointsData.NumPositions; i++)
{
tmpPos.x = positionOffset.x + Mathf.LerpUnclamped(
polygonProperties.AdjustedCenter.x,
pointsData.Positions[i].x + pointsData.PositionNormals[i].x * edgeGradientData.ShadowOffset,
edgeGradientData.InnerScale
);
tmpPos.y = positionOffset.y + Mathf.LerpUnclamped(
polygonProperties.AdjustedCenter.y,
pointsData.Positions[i].y + pointsData.PositionNormals[i].y * edgeGradientData.ShadowOffset,
edgeGradientData.InnerScale
);
vh.AddVert(
tmpPos,
color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent
);
if (!usesCutout)
{
vh.AddTriangle(numVertices, numVertices + i, numVertices + i + 1);
}
}
// add cutout indices
if (usesCutout)
{
for (int i = 1; i < pointsData.NumPositions; i++)
{
vh.AddTriangle(
numVertices + GeoUtils.SimpleMap(i, pointsData.NumPositions, polygonProperties.CutoutProperties.Resolution),
firstOuterVertex + i,
firstOuterVertex + i + 1
);
}
for (int i = 1; i < polygonProperties.CutoutProperties.Resolution; i++)
{
vh.AddTriangle(
numVertices + i,
numVertices + i - 1,
firstOuterVertex + Mathf.CeilToInt(GeoUtils.SimpleMap((float)i, (float)polygonProperties.CutoutProperties.Resolution, (float)pointsData.NumPositions))
);
}
}
// add last triangle
if (usesCutout)
{
vh.AddTriangle(
numVertices,
firstOuterVertex + pointsData.NumPositions,
firstOuterVertex + 1
);
vh.AddTriangle(
numVertices,
firstOuterVertex,
firstOuterVertex + pointsData.NumPositions
);
}
else
{
vh.AddTriangle(numVertices, numVertices + pointsData.NumPositions, numVertices + 1);
}
if (edgeGradientData.IsActive)
{
color.a = 0;
int outerFirstIndex = numVertices + pointsData.NumPositions;
if (usesCutout)
{
outerFirstIndex = firstOuterVertex + pointsData.NumPositions;
}
else
{
firstOuterVertex = numVertices;
}
float offset = edgeGradientData.SizeAdd + edgeGradientData.ShadowOffset;
vh.AddVert(positionOffset + pointsData.Positions[0] + pointsData.PositionNormals[0] * offset,
color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
for (int i = 1; i < pointsData.NumPositions; i++)
{
vh.AddVert(positionOffset + pointsData.Positions[i] + pointsData.PositionNormals[i] * offset,
color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent);
vh.AddTriangle(firstOuterVertex + i + 1, outerFirstIndex + i, outerFirstIndex + i + 1);
vh.AddTriangle(firstOuterVertex + i + 1, outerFirstIndex + i + 1, firstOuterVertex + i + 2);
}
// fill last outer quad
vh.AddTriangle(firstOuterVertex + 1, outerFirstIndex, outerFirstIndex + 1);
vh.AddTriangle(firstOuterVertex + 2, firstOuterVertex + 1, outerFirstIndex + 1);
if (usesCutout)
{
float radius = (polygonProperties.CutoutProperties.Radius - offset);
for (int i = 0; i < polygonProperties.CutoutProperties.Resolution; i++)
{
tmpPos.x =
polygonProperties.AdjustedCenter.x +
positionOffset.x +
polygonProperties.CutoutProperties.UnitPositionData.UnitPositions[i].x * radius;
tmpPos.y =
polygonProperties.AdjustedCenter.y +
positionOffset.y +
polygonProperties.CutoutProperties.UnitPositionData.UnitPositions[i].y * radius;
tmpPos.z = 0.0f;
vh.AddVert(
tmpPos,
color, uv, GeoUtils.ZeroV2, GeoUtils.UINormal, GeoUtils.UITangent
);
}
for (int i = 1; i < polygonProperties.CutoutProperties.Resolution; i++)
{
vh.AddTriangle(
numVertices + i - 1,
numVertices + i,
outerFirstIndex + pointsData.NumPositions + i
);
vh.AddTriangle(
numVertices + i,
outerFirstIndex + pointsData.NumPositions + i + 1,
outerFirstIndex + pointsData.NumPositions + i
);
}
vh.AddTriangle(
firstOuterVertex,
numVertices,
outerFirstIndex + pointsData.NumPositions + polygonProperties.CutoutProperties.Resolution
);
vh.AddTriangle(
numVertices,
outerFirstIndex + pointsData.NumPositions + 1,
outerFirstIndex + pointsData.NumPositions + polygonProperties.CutoutProperties.Resolution
);
}
}
}
public static bool SetLineData(
PointListProperties pointListProperties,
ref PointsList.PointsData lineData
)
{
if (
pointListProperties.Positions == null ||
pointListProperties.Positions.Length <= 1
)
{
return(false);
}
bool needsUpdate = lineData.NeedsUpdate || lineData.Positions == null;
if (needsUpdate)
{
SetPositions(
pointListProperties,
ref lineData
);
}
int numPositions = lineData.NumPositions;
if (
lineData.PositionNormals == null ||
lineData.PositionNormals.Length != numPositions
)
{
lineData.PositionTangents = new Vector2[numPositions];
lineData.PositionNormals = new Vector2[numPositions];
lineData.PositionDistances = new float[numPositions];
lineData.NormalizedPositionDistances = new float[numPositions];
for (int i = 0; i < numPositions; i++)
{
lineData.PositionNormals[i] = GeoUtils.ZeroV2;
lineData.PositionTangents[i] = GeoUtils.ZeroV2;
}
needsUpdate = true;
}
if (needsUpdate)
{
int numPositionsMinusOne = numPositions - 1;
lineData.TotalLength = 0.0f;
float distance;
Vector2 lastUnitTangent = GeoUtils.ZeroV2;
Vector2 currentUnitTangent = GeoUtils.ZeroV2;
// set data for first point
if (!lineData.IsClosed)
{
lineData.PositionTangents[0].x = lineData.Positions[0].x - lineData.Positions[1].x;
lineData.PositionTangents[0].y = lineData.Positions[0].y - lineData.Positions[1].y;
distance = Mathf.Sqrt(
lineData.PositionTangents[0].x * lineData.PositionTangents[0].x +
lineData.PositionTangents[0].y * lineData.PositionTangents[0].y
);
lineData.PositionDistances[0] = distance;
lineData.TotalLength += distance;
lineData.PositionNormals[0].x = lineData.PositionTangents[0].y / distance;
lineData.PositionNormals[0].y = -lineData.PositionTangents[0].x / distance;
lastUnitTangent.x = -lineData.PositionTangents[0].x / distance;
lastUnitTangent.y = -lineData.PositionTangents[0].y / distance;
lineData.StartCapOffset.x = -lastUnitTangent.x;
lineData.StartCapOffset.y = -lastUnitTangent.y;
}
else
{
lastUnitTangent.x = lineData.Positions[0].x - lineData.Positions[numPositionsMinusOne].x;
lastUnitTangent.y = lineData.Positions[0].y - lineData.Positions[numPositionsMinusOne].y;
distance = Mathf.Sqrt(
lastUnitTangent.x * lastUnitTangent.x +
lastUnitTangent.y * lastUnitTangent.y
);
lastUnitTangent.x /= distance;
lastUnitTangent.y /= distance;
SetPointData(
lineData.Positions[0],
lineData.Positions[1],
ref currentUnitTangent,
ref lineData.PositionTangents[0],
ref lineData.PositionNormals[0],
ref lastUnitTangent,
ref lineData.PositionDistances[0]
);
lineData.TotalLength += lineData.PositionDistances[0];
}
for (int i = 1; i < numPositionsMinusOne; i++)
{
SetPointData(
lineData.Positions[i],
lineData.Positions[i + 1],
ref currentUnitTangent,
ref lineData.PositionTangents[i],
ref lineData.PositionNormals[i],
ref lastUnitTangent,
ref lineData.PositionDistances[i]
);
lineData.TotalLength += lineData.PositionDistances[i];
}
// set data for last point
if (!lineData.IsClosed)
{
lineData.PositionTangents[numPositionsMinusOne].x = lineData.Positions[numPositionsMinusOne].x - lineData.Positions[numPositionsMinusOne - 1].x;
lineData.PositionTangents[numPositionsMinusOne].y = lineData.Positions[numPositionsMinusOne].y - lineData.Positions[numPositionsMinusOne - 1].y;
distance = Mathf.Sqrt(
lineData.PositionTangents[numPositionsMinusOne].x * lineData.PositionTangents[numPositionsMinusOne].x +
lineData.PositionTangents[numPositionsMinusOne].y * lineData.PositionTangents[numPositionsMinusOne].y
);
lineData.EndCapOffset.x = lineData.PositionTangents[numPositionsMinusOne].x / distance;
lineData.EndCapOffset.y = lineData.PositionTangents[numPositionsMinusOne].y / distance;
lineData.PositionNormals[numPositionsMinusOne].x = -lineData.PositionTangents[numPositionsMinusOne].y / distance;
lineData.PositionNormals[numPositionsMinusOne].y = lineData.PositionTangents[numPositionsMinusOne].x / distance;
}
else
{
SetPointData(
lineData.Positions[numPositionsMinusOne],
lineData.Positions[0],
ref currentUnitTangent,
ref lineData.PositionTangents[numPositionsMinusOne],
ref lineData.PositionNormals[numPositionsMinusOne],
ref lastUnitTangent,
ref lineData.PositionDistances[numPositionsMinusOne]
);
lineData.TotalLength += lineData.PositionDistances[numPositionsMinusOne];
}
if (lineData.GenerateRoundedCaps)
{
SetRoundedCapPointData(
Mathf.Atan2(-lineData.PositionNormals[0].x, -lineData.PositionNormals[0].y),
ref lineData.StartCapOffsets,
ref lineData.StartCapUVs,
lineData.RoundedCapResolution,
true
);
SetRoundedCapPointData(
Mathf.Atan2(lineData.PositionNormals[numPositionsMinusOne].x, lineData.PositionNormals[numPositionsMinusOne].y),
ref lineData.EndCapOffsets,
ref lineData.EndCapUVs,
lineData.RoundedCapResolution,
false
);
}
float accumulatedLength = 0.0f;
for (int i = 0; i < lineData.PositionDistances.Length; i++)
{
lineData.NormalizedPositionDistances[i] = accumulatedLength / lineData.TotalLength;
accumulatedLength += lineData.PositionDistances[i];
}
}
lineData.NeedsUpdate = false;
return(true);
}
public static void SetPositions(
PointListProperties pointListProperties,
ref PointsList.PointsData lineData
)
{
if (lineData.Positions == null)
{
lineData.Positions = new List <Vector2>(pointListProperties.Positions.Length);
}
CheckMinPointDistances(
ref pointListProperties.Positions,
ref tmpCachedPositions,
lineData.LineWeight * 0.5f,
lineData.IsClosed
);
lineData.Positions.Clear();
int inputNumPositions = tmpCachedPositions.Count;
if (lineData.Positions.Capacity < inputNumPositions)
{
lineData.Positions.Capacity = lineData.Positions.Capacity + inputNumPositions + 1;
}
// add first position
if (lineData.IsClosed)
{
InterpolatePoints(
ref lineData,
tmpCachedPositions[inputNumPositions - 1],
tmpCachedPositions[0],
tmpCachedPositions[1],
pointListProperties,
0
);
}
else
{
lineData.Positions.Add(tmpCachedPositions[0]);
}
for (int i = 1; i < inputNumPositions - 1; i++)
{
InterpolatePoints(
ref lineData,
tmpCachedPositions[i - 1],
tmpCachedPositions[i],
tmpCachedPositions[i + 1],
pointListProperties,
i
);
}
// add end point
if (lineData.IsClosed)
{
InterpolatePoints(
ref lineData,
tmpCachedPositions[inputNumPositions - 2],
tmpCachedPositions[inputNumPositions - 1],
tmpCachedPositions[0],
pointListProperties,
inputNumPositions - 1
);
}
else
{
lineData.Positions.Add(tmpCachedPositions[inputNumPositions - 1]);
}
lineData.NumPositions = lineData.Positions.Count;
}