/// <summary>
/// Add a triple of envelopes to simulate the old texture velocity
/// parameters.
/// </summary>
static int add_tvel(float[] pos, float[] vel, LinkedList <lwEnvelope> elist, ref int nenvs)
{
lwEnvelope env = null;
lwKey key0, key1;
for (int i = 0; i < 3; i++)
{
env = new lwEnvelope();
env.key = new LinkedList <lwKey>();
key0 = new lwKey();
key1 = new lwKey();
key0.value = pos[i];
key0.time = 0.0f;
key1.value = pos[i] + vel[i] * 30.0f;
key1.time = 1.0f;
key0.shape = key1.shape = LWID.ID_LINE;
env.index = nenvs + i + 1;
env.type = 0x0301 + i;
env.name = String.Format("{0}{1}", "Position.", 'X' + i);
env.key.AddFirst(key0);
env.key.AddLast(key1);
env.nkeys = 2;
env.behavior[0] = LWID.BEH_LINEAR;
env.behavior[1] = LWID.BEH_LINEAR;
elist.AddLast(env);
}
nenvs += 3;
return(env.index - 2);
}
/// <summary>
/// Add a triple of envelopes to simulate the old texture velocity
/// parameters.
/// </summary>
static int add_tvel(float[] pos, float[] vel, LinkedList<lwEnvelope> elist, ref int nenvs)
{
lwEnvelope env = null;
lwKey key0, key1;
for (int i = 0; i < 3; i++)
{
env = new lwEnvelope();
env.key = new LinkedList<lwKey>();
key0 = new lwKey();
key1 = new lwKey();
key0.value = pos[i];
key0.time = 0.0f;
key1.value = pos[i] + vel[i] * 30.0f;
key1.time = 1.0f;
key0.shape = key1.shape = LWID.ID_LINE;
env.index = nenvs + i + 1;
env.type = 0x0301 + i;
env.name = String.Format("{0}{1}", "Position.", 'X' + i);
env.key.AddFirst(key0);
env.key.AddLast(key1);
env.nkeys = 2;
env.behavior[0] = LWID.BEH_LINEAR;
env.behavior[1] = LWID.BEH_LINEAR;
elist.AddLast(env);
}
nenvs += 3;
return env.index - 2;
}