private Vector3 GetGesternWave(WaveVO wave, ref TangentSpace tangentSpace, Vector3 p, float t)
{
float w = Mathf.Sqrt(9.81f * ((2f * Mathf.PI) / wave.wavelength));
//float w = 2 * UNITY_PI / wave.wavelength;
float PHI_t = wave.speed * w * t;
Vector2 D = wave.direction;
D.Normalize();
float Q = wave.steepnes / (w * wave.amplitude * 2);
float f1 = w * Vector2.Dot(D, new Vector2(p.x, p.z)) + PHI_t;
float S = Mathf.Sin(f1);
float C = Mathf.Cos(f1);
float WA = w * wave.amplitude;
float WAS = WA * S;
float WAC = WA * C;
tangentSpace.binormal += new Vector3
(
Q * (D.x * D.x) * WAS,
D.x * WAC,
Q * (D.x * D.y) * WAS
);
tangentSpace.tangent += new Vector3
(
Q * (D.x * D.y) * WAS,
D.y * WAC,
Q * (D.y * D.y) * WAS
);
tangentSpace.normal += new Vector3
(
D.x * WAC,
Q * WAS,
D.y * WAC
);
float f3 = Mathf.Cos(f1);
float f4 = Q * wave.amplitude * f3;
return(new Vector3
(
f4 * D.x, // X
wave.amplitude * Mathf.Sin(f1), // Y
f4 * D.y // Z
));
}
// Update is called once per frame
void OnDrawGizmos()
{
WaveVO wave1 = new WaveVO();
wave1.wavelength = wavelength1;
wave1.amplitude = amplitude1;
wave1.speed = speed1;
wave1.direction = direction1;
wave1.steepnes = steepnes1;
WaveVO wave2 = new WaveVO();
wave2.wavelength = wavelength2;
wave2.amplitude = amplitude2;
wave2.speed = speed2;
wave2.direction = direction2;
wave2.steepnes = steepnes2;
for (float i = 0; i < 30; i++)
{
for (float j = 0; j < 30; j++)
{
Vector3 point = new Vector3(i, 0, j);
TangentSpace tangentSpace = new TangentSpace();
point += GetGesternWave(wave1, ref tangentSpace, point, Time.time);
point += GetGesternWave(wave2, ref tangentSpace, point, Time.time);
Gizmos.color = Color.black;
Gizmos.DrawSphere(point, 0.15f);
Gizmos.color = Color.green;
tangentSpace = calculateTangentSpace(tangentSpace);
Matrix4x4 texSpace = new Matrix4x4(tangentSpace.binormal, tangentSpace.normal, tangentSpace.tangent, new Vector3());
Vector3 normal = new Vector3(0, 1, 0);
Vector3 finalNormal = Vector3.Normalize(texSpace * normal);
Gizmos.DrawLine(point, point + finalNormal);
}
}
}
