// Use this for initialization
public void SetFishEyeUV(FishEyeMethod fishEyeMethod)
{
this.fishEyeMethod = fishEyeMethod;
Vector3[] vertices = GetComponent <MeshFilter>().mesh.vertices;
Vector2[] newUV = new Vector2[vertices.Length];
for (int i = 0; i < vertices.Length; i++)
{
Vector2 direc = vertices[i];
direc = direc.normalized;
Vector3 p = vertices[i];
float theta = Mathf.Atan(Mathf.Sqrt(p.x * p.x + p.y * p.y) / p.z);
float phi = Mathf.Atan(p.y / p.x);
if (float.IsNaN(theta))
{
theta = 0.0f;
}
if (float.IsNaN(phi))
{
phi = 0.0f;
}
if (fishEyeMethod == FishEyeMethod.EquiDistance)
{
newUV[i] = uvCenter - 0.5f * direc * theta / (0.5f * Mathf.PI);
}
else if (fishEyeMethod == FishEyeMethod.EquiAngle)
{
newUV[i] = uvCenter - 0.5f * direc * Mathf.Sin(theta * 0.5f) * (Mathf.Sqrt(2.0f));
}
else if (fishEyeMethod == FishEyeMethod.Stereo)
{
newUV[i] = uvCenter - 0.5f * direc * Mathf.Tan(theta * 0.5f);
}
else if (fishEyeMethod == FishEyeMethod.Ortho)
{
newUV[i] = uvCenter - 0.5f * direc * Mathf.Sin(theta);
}
}
GetComponent <MeshFilter>().mesh.uv = newUV;
}
// Use this for initialization
public void SetFishEyeUV(FishEyeMethod fishEyeMethod)
{
this.fishEyeMethod = fishEyeMethod;
Vector3[] vertices = GetComponent<MeshFilter>().mesh.vertices;
Vector2[] newUV = new Vector2[vertices.Length];
for (int i = 0; i < vertices.Length; i++)
{
Vector2 direc = vertices[i];
direc = direc.normalized;
Vector3 p = vertices[i];
float theta = Mathf.Atan(Mathf.Sqrt(p.x * p.x + p.y * p.y) / p.z);
float phi = Mathf.Atan(p.y / p.x);
if (float.IsNaN(theta)) theta = 0.0f;
if (float.IsNaN(phi)) phi = 0.0f;
if (fishEyeMethod == FishEyeMethod.EquiDistance)
newUV[i] = uvCenter - 0.5f * direc * theta / (0.5f * Mathf.PI);
else if (fishEyeMethod == FishEyeMethod.EquiAngle)
newUV[i] = uvCenter - 0.5f * direc * Mathf.Sin(theta * 0.5f) * (Mathf.Sqrt(2.0f));
else if(fishEyeMethod == FishEyeMethod.Stereo)
newUV[i] = uvCenter - 0.5f * direc * Mathf.Tan(theta * 0.5f) ;
else if (fishEyeMethod == FishEyeMethod.Ortho)
newUV[i] = uvCenter - 0.5f * direc * Mathf.Sin(theta);
}
GetComponent<MeshFilter>().mesh.uv = newUV;
}
