/// <summary>
/// 需要将SineWave.pos 转换成uv
/// </summary>
public void CaluateUV()
{
Vector2 WaterMinBoundary = new Vector2(-water.width / 2, -water.length / 2);
for (int i = 0; i < waves.Count; ++i)
{
SineWave wave = waves[i];
wave.pos = new Vector2
(
(waves[i].pos.x - WaterMinBoundary.x) / water.xcellsize * water.uvxcellsize,
(waves[i].pos.y - WaterMinBoundary.y) / water.ycellsize * water.uvycellsize
);
wave.pos.x = Mathf.Clamp(wave.pos.x, 0, 1);
wave.pos.y = Mathf.Clamp(wave.pos.y, 0, 1);
waves[i] = wave;
}
}
public override bool InitAndCheckWaveParams(float speed, float viscosity, float d)
{
sineWavesMonoBehaviour = water.GetComponent <SineWaveMonoBehaviour>();
if (sineWavesMonoBehaviour == null)
{
return(false);
}
sineWavesMonoBehaviour.CaluateUV();
int size = sineWavesMonoBehaviour.waves.Count;
waves = new List <Vector4>(size);
origins = new List <Vector2>(size);
timers = new List <float>(size);
cycles = new List <float>(size);
for (int i = 0; i < size; ++i)
{
SineWave wave = sineWavesMonoBehaviour.waves[i];
if (wave.T < 0.1f)
{
wave.T = 0.1f;
}
//wave.S = speed;
Vector2 direction = wave.D;
wave.D = direction.normalized;
Vector4 WaveParams = Vector4.zero;
float AngularFrequency = 2 * Mathf.PI / wave.L;
float PhaseConstant = AngularFrequency * wave.S;
WaveParams.x = wave.A * PhaseConstant;
WaveParams.y = wave.D.x * AngularFrequency;
WaveParams.z = wave.D.y * AngularFrequency;
WaveParams.w = PhaseConstant;
waves.Add(WaveParams);
origins.Add(wave.pos);
timers.Add(0);
cycles.Add(wave.T);
}
return(true);
}