Make gerstner wave parameters

make_waves.cpp

struct Wave
{
	Vec2 dir;
	float amplitude;
	float waveLength;
};

struct ImmutableCB
{
	Wave waves[100];
} cb;

for (int i = 0; i < dimof(cb.waves); i++)
{
	Wave& w = cb.waves[i];
	float randomRad = (float)(Random() * M_PI * 2 * 0.3f);
	w.dir.x = sinf(randomRad);
	w.dir.y = cosf(randomRad);
	w.amplitude = 0.03f + powf(2.0f, (float)Random() * 2.0f) * 0.05f;
	w.waveLength = 1.0f + powf(2.f, 1.f + (float)Random()) * 10.f;
}