/// <summary>
/// Converts the line segment into vertices and adds them to the geometry.
/// </summary>
public void Apply(LineGeometry geometry)
{
// F ------------------- G
// | / |
// A ------------------- C
// | / |
// | / |
// | / |
// B ------------------- D
// | / |
// H ------------------- I
int steps = 1;
int colorsPerStep = 8;
int trianglesPerStep = 18;
int verticesPerStep = 8;
geometry.AddColorCapacity(steps * colorsPerStep);
geometry.AddTriangleCapacity(steps * trianglesPerStep);
geometry.AddVertexCapacity(steps * verticesPerStep);
LineVertex vertexA = new LineVertex();
vertexA.Color = PointA.Color;
vertexA.Position = PointA.Position + NormalA * PointA.Weight;
LineVertex vertexB = new LineVertex();
vertexB.Color = PointA.Color;
vertexB.Position = PointA.Position - NormalA * PointA.Weight;
LineVertex vertexC = new LineVertex();
vertexC.Color = PointB.Color;
vertexC.Position = PointB.Position + NormalB * PointB.Weight;
LineVertex vertexD = new LineVertex();
vertexD.Color = PointB.Color;
vertexD.Position = PointB.Position - NormalB * PointB.Weight;
LineVertex vertexF = new LineVertex();
vertexF.Color = PointA.Transparent;
vertexF.Position = PointA.Position + NormalA * (PointA.Weight + Overdraw);
LineVertex vertexG = new LineVertex();
vertexG.Color = PointB.Transparent;
vertexG.Position = PointB.Position + NormalB * (PointB.Weight + Overdraw);
LineVertex vertexH = new LineVertex();
vertexH.Color = PointA.Transparent;
vertexH.Position = PointA.Position - NormalA * (PointA.Weight + Overdraw);
LineVertex vertexI = new LineVertex();
vertexI.Color = PointB.Transparent;
vertexI.Position = PointB.Position - NormalB * (PointB.Weight + Overdraw);
// add colors
geometry.Colors[geometry.ColorCount + 0] = vertexA.Color;
geometry.Colors[geometry.ColorCount + 1] = vertexB.Color;
geometry.Colors[geometry.ColorCount + 2] = vertexC.Color;
geometry.Colors[geometry.ColorCount + 3] = vertexD.Color;
geometry.Colors[geometry.ColorCount + 4] = vertexF.Color;
geometry.Colors[geometry.ColorCount + 5] = vertexG.Color;
geometry.Colors[geometry.ColorCount + 6] = vertexH.Color;
geometry.Colors[geometry.ColorCount + 7] = vertexI.Color;
// add vertices
geometry.Vertices[geometry.VertexCount + 0] = vertexA.Position;
geometry.Vertices[geometry.VertexCount + 1] = vertexB.Position;
geometry.Vertices[geometry.VertexCount + 2] = vertexC.Position;
geometry.Vertices[geometry.VertexCount + 3] = vertexD.Position;
geometry.Vertices[geometry.VertexCount + 4] = vertexF.Position;
geometry.Vertices[geometry.VertexCount + 5] = vertexG.Position;
geometry.Vertices[geometry.VertexCount + 6] = vertexH.Position;
geometry.Vertices[geometry.VertexCount + 7] = vertexI.Position;
// add triangle - ACB
geometry.Triangles[geometry.TriangleCount + 0] = geometry.VertexCount + 0;
geometry.Triangles[geometry.TriangleCount + 1] = geometry.VertexCount + 2;
geometry.Triangles[geometry.TriangleCount + 2] = geometry.VertexCount + 1;
// add triangle - BCD
geometry.Triangles[geometry.TriangleCount + 3] = geometry.VertexCount + 1;
geometry.Triangles[geometry.TriangleCount + 4] = geometry.VertexCount + 2;
geometry.Triangles[geometry.TriangleCount + 5] = geometry.VertexCount + 3;
// add triangle - FGA
geometry.Triangles[geometry.TriangleCount + 6] = geometry.VertexCount + 4;
geometry.Triangles[geometry.TriangleCount + 7] = geometry.VertexCount + 5;
geometry.Triangles[geometry.TriangleCount + 8] = geometry.VertexCount + 0;
// add triangle - AGC
geometry.Triangles[geometry.TriangleCount + 9] = geometry.VertexCount + 0;
geometry.Triangles[geometry.TriangleCount + 10] = geometry.VertexCount + 5;
geometry.Triangles[geometry.TriangleCount + 11] = geometry.VertexCount + 2;
// add triangle - BDH
geometry.Triangles[geometry.TriangleCount + 12] = geometry.VertexCount + 1;
geometry.Triangles[geometry.TriangleCount + 13] = geometry.VertexCount + 3;
geometry.Triangles[geometry.TriangleCount + 14] = geometry.VertexCount + 6;
// add triangle - HDI
geometry.Triangles[geometry.TriangleCount + 15] = geometry.VertexCount + 6;
geometry.Triangles[geometry.TriangleCount + 16] = geometry.VertexCount + 3;
geometry.Triangles[geometry.TriangleCount + 17] = geometry.VertexCount + 7;
// update counts
geometry.ColorCount += colorsPerStep;
geometry.VertexCount += verticesPerStep;
geometry.TriangleCount += trianglesPerStep;
}
/// <summary>
/// Converts the cap into vertices and adds them to the geometry.
/// </summary>
public void Apply(LineGeometry geometry)
{
int steps = 30;
float increment = 360f / (steps - 1);
int colorsPerStep = 5;
int trianglesPerStep = 9;
int verticesPerStep = 5;
geometry.AddColorCapacity(steps * colorsPerStep);
geometry.AddTriangleCapacity(steps * trianglesPerStep);
geometry.AddVertexCapacity(steps * verticesPerStep);
for (int i = 0; i < steps; i++)
{
// F ----------- G
// \ / /
// B ------- C
// \ /
// \ /
// \ /
// \ /
// A
Color colorA = Point.Color;
Color colorB = new Color(Point.Color.r, Point.Color.g, Point.Color.b, 0);
Vector2 normalA = Quaternion.Euler(0, 0, increment * (i - 1)) * Vector2.right;
Vector2 normalB = Quaternion.Euler(0, 0, increment * (i - 0)) * Vector2.right;
float radiusA = Point.Weight;
float radiusB = Point.Weight + Overdraw;
LineVertex vertexA = new LineVertex();
vertexA.Color = colorA;
vertexA.Position = Point.Position;
LineVertex vertexB = new LineVertex();
vertexB.Color = colorA;
vertexB.Position = Point.Position + normalA * radiusA;
LineVertex vertexC = new LineVertex();
vertexC.Color = colorA;
vertexC.Position = Point.Position + normalB * radiusA;
LineVertex vertexF = new LineVertex();
vertexF.Color = colorB;
vertexF.Position = Point.Position + normalA * radiusB;
LineVertex vertexG = new LineVertex();
vertexG.Color = colorB;
vertexG.Position = Point.Position + normalB * radiusB;
// add colors
geometry.Colors[geometry.ColorCount + 0] = vertexA.Color;
geometry.Colors[geometry.ColorCount + 1] = vertexB.Color;
geometry.Colors[geometry.ColorCount + 2] = vertexC.Color;
geometry.Colors[geometry.ColorCount + 3] = vertexF.Color;
geometry.Colors[geometry.ColorCount + 4] = vertexG.Color;
// add vertices
geometry.Vertices[geometry.VertexCount + 0] = vertexA.Position;
geometry.Vertices[geometry.VertexCount + 1] = vertexB.Position;
geometry.Vertices[geometry.VertexCount + 2] = vertexC.Position;
geometry.Vertices[geometry.VertexCount + 3] = vertexF.Position;
geometry.Vertices[geometry.VertexCount + 4] = vertexG.Position;
// add triangle - ABC
geometry.Triangles[geometry.TriangleCount + 0] = geometry.VertexCount + 0;
geometry.Triangles[geometry.TriangleCount + 1] = geometry.VertexCount + 1;
geometry.Triangles[geometry.TriangleCount + 2] = geometry.VertexCount + 2;
// add triangle - FGB
geometry.Triangles[geometry.TriangleCount + 3] = geometry.VertexCount + 3;
geometry.Triangles[geometry.TriangleCount + 4] = geometry.VertexCount + 4;
geometry.Triangles[geometry.TriangleCount + 5] = geometry.VertexCount + 1;
// add triangle - BGC
geometry.Triangles[geometry.TriangleCount + 6] = geometry.VertexCount + 1;
geometry.Triangles[geometry.TriangleCount + 7] = geometry.VertexCount + 4;
geometry.Triangles[geometry.TriangleCount + 8] = geometry.VertexCount + 2;
// update stepss
geometry.ColorCount += colorsPerStep;
geometry.VertexCount += verticesPerStep;
geometry.TriangleCount += trianglesPerStep;
}
}
