QuadVertices GetQuadVertices(List <List <Vector2> > markers)
{
float sum_x = 0;
float sum_y = 0;
int k = 0;
for (int i = 0; i < markers.Count; i++)
{
List <Vector2> marker = markers[i];
for (int j = 0; j < markers[i].Count; j++)
{
sum_x += markers[i][j].x;
sum_y += markers[i][j].y;
k++;
}
}
float avg_x = sum_x / (k);
float avg_y = sum_y / (k);
Vector2 avg_vector = new Vector2(-avg_x, -avg_y);
QuadVertices quadVertices = new QuadVertices(avg_vector, avg_vector, avg_vector, avg_vector);
for (int i = 0; i < markers.Count; i++)
{
List <Vector2> marker = markers[i];
for (int j = 0; j < markers[i].Count; j++)
{
if (quadVertices.bottomLeft.x > -markers[i][j].x && quadVertices.bottomLeft.y > -markers[i][j].y)
{
quadVertices.bottomLeft = -markers[i][j];
}
if (quadVertices.bottomRight.x < markers[i][j].x && quadVertices.bottomRight.y > -markers[i][j].y)
{
quadVertices.bottomRight = -markers[i][j];
}
if (quadVertices.topRight.x < -markers[i][j].x && quadVertices.topRight.y < -markers[i][j].y)
{
quadVertices.topRight = -markers[i][j];
}
if (quadVertices.topLeft.x > -markers[i][j].x && quadVertices.topLeft.y < -markers[i][j].y)
{
quadVertices.topLeft = -markers[i][j];
}
}
}
return(quadVertices);
}
void DrawQuad(int[] markersIds, List <List <Vector2> > markers, List <List <Vector2> > rejectedCandidates)
{
QuadVertices quadVectices = GetQuadVertices(markers);
Vector3[] verticeList = new Vector3[4];
verticeList[0] = new Vector3(quadVectices.bottomLeft.x, quadVectices.bottomLeft.y, 10);
verticeList[1] = new Vector3(quadVectices.bottomRight.x, quadVectices.bottomRight.y, 10);
verticeList[2] = new Vector3(quadVectices.topLeft.x, quadVectices.topLeft.y, 10);
verticeList[3] = new Vector3(quadVectices.topRight.x, quadVectices.topRight.y, 10);
quadMesh.vertices = verticeList;
int[] triangles = new int[6];
// Lower left triangle.
triangles[0] = 0;
triangles[1] = 1;
triangles[2] = 2;
// Upper right triangle.
triangles[3] = 2;
triangles[4] = 1;
triangles[5] = 3;
quadMesh.triangles = triangles;
Vector3[] normals = new Vector3[4];
normals[0] = Vector3.forward;
normals[1] = Vector3.forward;
normals[2] = Vector3.forward;
normals[3] = Vector3.forward;
quadMesh.normals = normals;
Vector2[] uv = new Vector2[4];
uv[0] = new Vector2(0f, 0f);
uv[1] = new Vector2(1f, 0f);
uv[2] = new Vector2(0f, 1f);
uv[3] = new Vector2(1f, 1f);
quadMesh.uv = uv;
}
