public int FillSplineVU2(Spliner spliner, Color colorStart, Color colorEnd, ref NativeMeshInfo meshInfo)
{
Assert.IsTrue(meshInfo.Vertices.IsCreated);
Assert.IsTrue(meshInfo.UVs.IsCreated);
Assert.IsTrue(meshInfo.Colors.IsCreated);
int line = spliner.GetLineCount();
Assert.AreEqual(meshInfo.Vertices.Length, line * 2);
Assert.AreEqual(meshInfo.UVs.Length, line * 2);
Assert.AreEqual(meshInfo.Colors.Length, line * 2);
float addPerc = 1f / line;
float acc = 0;
for (int i = 0; i < line; ++i)
{
(Vector3 p1, Vector3 up) = spliner.Interpolate(acc);
Vector3 width = (up * 0.5f);
Vector3 p0 = p1 - width;
Vector3 p2 = p1 + width;
// p0 p2
// |---------------------|
int index = (i * 2);
meshInfo.Vertices[index + 0] = p0;
meshInfo.Vertices[index + 1] = p2;
meshInfo.UVs[index + 0] = new Vector2(0, acc);
meshInfo.UVs[index + 1] = new Vector2(1, acc);
acc += addPerc;
}
return(line);
}
public int FillSplineVUCI2(Spliner spliner, Color colorStart, Color colorEnd, ref MeshInfo meshInfo)
{
Assert.IsNotNull(meshInfo.Vertices);
Assert.IsNotNull(meshInfo.UVs);
Assert.IsNotNull(meshInfo.Colors);
Assert.IsNotNull(meshInfo.Indices);
int line = spliner.GetLineCount();
Assert.AreEqual(meshInfo.Vertices.Length, line * 2);
Assert.AreEqual(meshInfo.UVs.Length, line * 2);
Assert.AreEqual(meshInfo.Colors.Length, line * 2);
Assert.AreEqual(meshInfo.Indices.Length, (line - 1) * 6);
float addPerc = 1f / line;
float acc = 0;
for (int i = 0; i < line; ++i)
{
(Vector3 p1, Vector3 up) = spliner.Interpolate(acc);
Vector3 width = (up * 0.5f);
Vector3 p0 = p1 - width;
Vector3 p2 = p1 + width;
// p0 p2
// |---------------------|
int index = (i * 2);
meshInfo.Vertices[index + 0] = p0;
meshInfo.Vertices[index + 1] = p2;
meshInfo.UVs[index + 0] = new Vector2(0, acc);
meshInfo.UVs[index + 1] = new Vector2(1, acc);
Color c = Color.Lerp(colorStart, colorEnd, acc);
meshInfo.Colors[index + 0] = c;
meshInfo.Colors[index + 1] = c;
acc += addPerc;
}
for (int i = 0; i < line - 1; ++i)
{
int ci = i * 2;
int ni = ci + 2;
int index = i * 6;
// c0 c1
// 2---------------------|
// | | |
// 0---------------------1
// n0 n1
meshInfo.Indices[index + 0] = ni + 0;
meshInfo.Indices[index + 1] = ni + 1;
meshInfo.Indices[index + 2] = ci + 0;
// c0 c1
// 5---------------------4
// | | |
// |---------------------3
// n0 n1
meshInfo.Indices[index + 3] = ni + 1;
meshInfo.Indices[index + 4] = ci + 1;
meshInfo.Indices[index + 5] = ci + 0;
}
return(line);
}
public int FillSplineVUCI3(Spliner spliner, Color colorStart, Color colorEnd, ref NativeMeshInfo meshInfo)
{
Assert.IsTrue(meshInfo.Vertices.IsCreated);
Assert.IsTrue(meshInfo.UVs.IsCreated);
Assert.IsTrue(meshInfo.Colors.IsCreated);
Assert.IsTrue(meshInfo.Indices.IsCreated);
int line = spliner.GetLineCount();
Assert.AreEqual(meshInfo.Vertices.Length, line * 3);
Assert.AreEqual(meshInfo.UVs.Length, line * 3);
Assert.AreEqual(meshInfo.Colors.Length, line * 3);
Assert.AreEqual(meshInfo.Indices.Length, (line - 1) * 12);
float addPerc = 1f / line;
float acc = 0;
for (int i = 0; i < line; ++i)
{
(Vector3 p1, Vector3 up) = spliner.Interpolate(acc);
Vector3 width = (up * 0.5f);
Vector3 p0 = p1 - width;
Vector3 p2 = p1 + width;
// p0 p1 p2
// |----------|----------|
int index = (i * 3);
meshInfo.Vertices[index + 0] = p0;
meshInfo.Vertices[index + 1] = p1;
meshInfo.Vertices[index + 2] = p2;
meshInfo.UVs[index + 0] = new Vector2(0, acc);
meshInfo.UVs[index + 1] = new Vector2(0.5f, acc);
meshInfo.UVs[index + 2] = new Vector2(1, acc);
Color c = Color.Lerp(colorStart, colorEnd, acc);
meshInfo.Colors[index + 0] = c;
meshInfo.Colors[index + 1] = c;
meshInfo.Colors[index + 2] = c;
acc += addPerc;
}
for (int i = 0; i < line - 1; ++i)
{
int ci = i * 3;
int ni = ci + 3;
int index = i * 12;
// c0 c1 c2
// 2---------------------|
// | | |
// 0----------1----------|
// n0 n1 n2
meshInfo.Indices[index + 0] = ni + 0;
meshInfo.Indices[index + 1] = ni + 1;
meshInfo.Indices[index + 2] = ci + 0;
// c0 c1 c2
// 5----------4----------|
// | | |
// |----------3----------|
// n0 n1 n2
meshInfo.Indices[index + 3] = ni + 1;
meshInfo.Indices[index + 4] = ci + 1;
meshInfo.Indices[index + 5] = ci + 0;
// c0 c1 c2
// |----------8----------|
// | | |
// |----------6----------7
// n0 n1 n2
meshInfo.Indices[index + 6] = ni + 1;
meshInfo.Indices[index + 7] = ni + 2;
meshInfo.Indices[index + 8] = ci + 1;
// c0 c1 c2
// |----------11---------10
// | | |
// |----------|----------9
// n0 n1 n2
meshInfo.Indices[index + 9] = ni + 2;
meshInfo.Indices[index + 10] = ci + 2;
meshInfo.Indices[index + 11] = ci + 1;
}
return(line);
}
