internal static void BuildTriangles(NativeArray <float2> vertices, int vertexCount, NativeArray <int> indices, int indexCount, ref NativeArray <UTriangle> triangles, ref int triangleCount, ref float maxArea)
{
// Check if there are invalid triangles or segments.
for (int i = 0; i < indexCount; i += 3)
{
UTriangle tri = new UTriangle();
var i0 = indices[i + 0];
var i1 = indices[i + 1];
var i2 = indices[i + 2];
tri.va = vertices[i0];
tri.vb = vertices[i1];
tri.vc = vertices[i2];
tri.c = UTess.CircumCircle(tri);
tri.area = UTess.TriangleArea(tri.va, tri.vb, tri.vc);
maxArea = math.max(tri.area, maxArea);
triangles[triangleCount++] = tri;
}
}
internal static void BuildTrianglesAndEdges(NativeArray <float2> vertices, int vertexCount, NativeArray <int> indices, int indexCount, ref NativeArray <UTriangle> triangles, ref int triangleCount, ref NativeArray <int4> delaEdges, ref int delaEdgeCount, ref float maxArea)
{
// Check if there are invalid triangles or segments.
for (int i = 0; i < indexCount; i += 3)
{
UTriangle tri = new UTriangle();
var i0 = indices[i + 0];
var i1 = indices[i + 1];
var i2 = indices[i + 2];
tri.va = vertices[i0];
tri.vb = vertices[i1];
tri.vc = vertices[i2];
tri.c = UTess.CircumCircle(tri);
tri.area = UTess.TriangleArea(tri.va, tri.vb, tri.vc);
maxArea = math.max(tri.area, maxArea);
tri.indices = new int3(i0, i1, i2);
// Outputs.
delaEdges[delaEdgeCount++] = new int4(math.min(i0, i1), math.max(i0, i1), triangleCount, -1);
delaEdges[delaEdgeCount++] = new int4(math.min(i1, i2), math.max(i1, i2), triangleCount, -1);
delaEdges[delaEdgeCount++] = new int4(math.min(i2, i0), math.max(i2, i0), triangleCount, -1);
triangles[triangleCount++] = tri;
}
}
