public Vector3 GetCenter(float height, float depth, DepthAnchorTypes depthAnchor)
{
var center = new Vector3();
switch (depthAnchor)
{
case DepthAnchorTypes.Middle:
center = new Vector3(0.0f, height / 2.0f, 0.0f);
break;
case DepthAnchorTypes.Left:
center = new Vector3(0.0f, height / 2.0f, depth / 2.0f);
break;
case DepthAnchorTypes.Right:
center = new Vector3(0.0f, height / 2.0f, depth / 2.0f * -1);
break;
}
return(center);
}
public Mesh GetMesh(float height, float depth, DepthAnchorTypes depthAnchor)
{
Vector3 s1 = new Vector3();
Vector3 s2 = new Vector3();
Vector3 e1 = new Vector3();
Vector3 e2 = new Vector3();
var p1 = new Vector3();
var p2 = new Vector3();
var p3 = new Vector3();
var p4 = new Vector3();
var p5 = new Vector3();
var p6 = new Vector3();
var p7 = new Vector3();
var p8 = new Vector3();
if (depth == 0.0f)
{
p1 = start;
p2 = start + Vector3.up * height;
p3 = end + Vector3.up * height;
p4 = end;
p5 = start;
p6 = start + Vector3.up * height;
p7 = end + Vector3.up * height;
p8 = end;
}
else
{
switch (depthAnchor)
{
case DepthAnchorTypes.Middle:
s1 = start;
s2 = start;
s1.x -= depth / 2.0f;
s2.x += depth / 2.0f;
e1 = end;
e2 = end;
e1.x -= depth / 2.0f;
e2.x += depth / 2.0f;
break;
case DepthAnchorTypes.Left:
s1 = start;
s2 = start;
s1.x += depth;
e1 = end;
e2 = end;
e1.x += depth;
break;
case DepthAnchorTypes.Right:
s1 = start;
s2 = start;
s1.x -= depth;
e1 = end;
e2 = end;
e1.x -= depth;
break;
}
// rotate wireframe box
s1 = RotateAroundPoint(s1, start, GetYAxisRotation());
s2 = RotateAroundPoint(s2, start, GetYAxisRotation());
e1 = RotateAroundPoint(e1, end, GetYAxisRotation());
e2 = RotateAroundPoint(e2, end, GetYAxisRotation());
p1 = s1;
p2 = s1 + Vector3.up * height;
p3 = e1 + Vector3.up * height;
p4 = e1;
p5 = s2;
p6 = s2 + Vector3.up * height;
p7 = e2 + Vector3.up * height;
p8 = e2;
}
Mesh mesh = new Mesh {
hideFlags = HideFlags.HideAndDontSave
};
mesh.vertices = new[] { p1, p2, p3, p4, p5, p6, p7, p8 };
mesh.triangles = new[] {
0, 2, 1, 1, 2, 0,
0, 2, 3, 3, 2, 0,
4, 6, 5, 5, 6, 4,
4, 6, 7, 7, 6, 4,
0, 5, 1, 1, 5, 0,
0, 5, 4, 4, 5, 0,
1, 6, 5, 5, 6, 1,
1, 6, 2, 2, 6, 1,
0, 7, 4, 4, 7, 0,
0, 7, 3, 3, 7, 0,
2, 7, 6, 6, 7, 2,
2, 7, 3, 3, 7, 2
};
Vector3[] vertices = mesh.vertices;
Vector2[] uvs = new Vector2[vertices.Length];
int j = 0;
while (j < uvs.Length)
{
uvs[j] = new Vector2(vertices[j].x, vertices[j].z);
j++;
}
mesh.uv = uvs;
mesh.RecalculateNormals();
return(mesh);
}
